Principal software engineer jobs in Drexel Heights, AZ - 205 jobs
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Senior Test Automation Engineer
Pharmaceutical Company 3.9
Principal software engineer job in Tucson, AZ
We are seeking an experienced Senior Software Development Engineer in Test (SDET) to join an agile software development team supporting laboratory and diagnostic software solutions. This role plays a critical part in ensuring software quality by designing, developing, and executing advanced test automation strategies. The ideal candidate brings a strong softwareengineering mindset, deep automation expertise, and a passion for building scalable, reliable testing frameworks.
Key Responsibilities
Design, develop, and maintain automated test frameworks and test suites
Define and execute comprehensive test strategies, including functional, regression, integration, and system testing
Collaborate closely with softwareengineers, QA, and product teams throughout the SDLC
Integrate automated testing into CI/CD pipelines to support continuous delivery
Analyze test results, identify defects, and drive quality improvements
Leverage AI-assisted tools to enhance test planning, execution, and reporting
Mentor and guide junior SDET and QA team members
Required Qualifications
5+ years of experience in software development and test automation
Strong experience with automation tools such as Selenium, Cypress, Appium, JUnit, or TestNG
Proficiency in at least one programming language (Python, Java, or C#)
Experience with CI/CD tools (Jenkins, GitLab CI, Azure DevOps)
Solid understanding of software testing methodologies and Agile practices
Excellent problem-solving, communication, and collaboration skills
Bachelor's degree in Computer Science, SoftwareEngineering, or a related technical field
$89k-111k yearly est. 3d ago
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Test & Validation Senior Engineer
Caterpillar 4.3
Principal software engineer job in Sahuarita, AZ
Your Work Shapes the World at Caterpillar Inc.
When you join Caterpillar, you're joining a global team who cares not just about the work we do - but also about each other. We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don't just talk about progress and innovation here - we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it.
Caterpillar's Resource Industries Division is seeking a Test & Validation Senior Engineer to support electrification product development at our Tucson Proving Ground. In this role, you'll work on engineering assignments that build your expertise in Caterpillar products, technologies, and systems. Your focus will be full-scale testing of mining and construction equipment to ensure products perform as intended and meet customer requirements. You won't just test machines-you'll influence the future of sustainable mining and construction.
What You'll Do:
Lead Testing Projects: Plan and execute full-scale tests on advanced equipment and technologies to confirm they meet engineering and customer requirements.
Drive Safety & Quality: Make safety your top priority and champion continuous improvement in every aspect of testing.
Own the Process: Develop test plans, write work instructions, manage machine builds/modifications, define instrumentation, and analyze results.
Solve Complex Challenges: Apply your technical skills across mechanical, hydraulic, electrical, electronic, and software systems.
Leverage Data: Use tools like Excel, Tableau, DATK, and MS Office to turn raw data into actionable insights.
Collaborate & Innovate: Work closely with engineers, technicians, and operators to deliver projects on time and within budget.
Hands-On Experience: Operate mining equipment after training and gain deep knowledge of machine systems.
Continuous Improvement: Share ideas to enhance safety, efficiency, and product performance.
Why You'll Love Working Here:
Work-Life Balance: Enjoy a 9/80 schedule-26 extra days off per year!
Impactful Work: Your contributions directly shape next-generation electrified machines.
Career Growth: Build expertise in cutting-edge technologies and large-scale systems.
Team Culture: Collaborate with passionate professionals in a supportive environment.
Education requirement: Bachelor's degree in Mechanical Engineering, Electrical Engineering, or a related engineering discipline.
What Skills You Will Have:
Technical Excellence: Experience in testing or validation within heavy equipment, automotive, or industrial machinery.
Product Testing: Experience designing and executing testing strategies. Experience with construction, forestry, mining or agricultural equipment is a plus.
Troubleshooting Technical Problems: Ability to diagnose and resolve technical issues related to machine performance. Uses tools such as CAT ET, CANape, and Cadet for machine functionality.
Additional Core Skills:
Accuracy and Attention to Detail
Analytical Thinking
Decision Making and Critical Thinking
Effective Communication
Project Management
Top Candidates Will Also Have
Strong computer skills and ability to manage multiple software applications.
Experience with TCE, DATK, SuperComm 2, Cadet, Caterpillar Electronic Technician, CANape, and electrical troubleshooting.
Background in product development, machine testing, mining, or mechanical/hydraulic systems.
Ability to work on your feet for extended periods in varied conditions (indoor/outdoor, hot/cold, dusty).
Ability to safely operate equipment after training.
Additional Information:
Location: Green Valley, AZ
Domestic Relocation: Assistance available
Schedule: Enjoy a 9/80 work schedule, providing an extra day off every other week-equivalent to 26 additional days off per year for improved work-life balance.
Travel: Up to 10%
Summary Pay Range:
$112,710.00 - $169,060.00
Compensation and benefits offered may vary depending on multiple individualized factors, job level, market location, job-related knowledge, skills, individual performance and experience. Please note that salary is only one component of total compensation at Caterpillar.
Benefits:
Subject to plan eligibility, terms, and guidelines. This is a summary list of benefits.
Medical, dental, and vision benefits
Paid time off plan (Vacation, Holidays, Volunteer, etc.)
401(k) savings plans
Health Savings Account (HSA)
Flexible Spending Accounts (FSAs)
Health Lifestyle Programs
Employee Assistance Program
Voluntary Benefits and Employee Discounts
Career Development
Incentive bonus
Disability benefits
Life Insurance
Parental leave
Adoption benefits
Tuition Reimbursement
These benefits also apply to part-time employees
This position requires working onsite five days a week.Relocation is available for this position.Visa Sponsorship is not available for this position. This employer is not currently hiring foreign national applicants that require or will require sponsorship tied to a specific employer, such as, H, L, TN, F, J, E, O. As a global company, Caterpillar offers many job opportunities outside of the U.S which can be found through our employment website at
Posting Dates:
January 8, 2026 - January 28, 2026
Any offer of employment is conditioned upon the successful completion of a drug screen.
Caterpillar is an Equal Opportunity Employer, Including Veterans and Individuals with Disabilities. Qualified applicants of any age are encouraged to apply.
Not ready to apply? Join our Talent Community .
$112.7k-169.1k yearly 2h ago
Senior SW Test & Validation Engineer
Roche 4.7
Principal software engineer job in Tucson, AZ
* This individual will serve as the Product Owner for Test, responsible for defining and driving the overall strategy for the testing campaign.
* The ideal candidate must function as a strategic thought leader, and not as a tactical tester.
* Requires a minimum of 8 years of experience in software testing for hardware-integrated systems.
* Experience in a FDA or FAA regulated environment is a strong plus; Medical device industry is ideal
Key Responsibilities
*Define Strategy & Vision: Serve as the team leader by translating customer needs into technological solutions and contributing to strategic direction through technical knowledge and creative application.
*Own Backlog & Prioritization: Manage, build, and prioritize the team's backlog; detail user stories; and coordinate cross-team dependencies in preparation for Program Increment (PI) and iteration planning.
*Drive Acceptance & Delivery: Formally accept and approve all team features and user stories, leveraging acceptance criteria and a defined "definition of done " to ensure quality deliverables.
*Lead Team Processes: Facilitate cross-functional collaboration, advocate for built-in quality and customer-centric design, and participate in continuous improvement activities like Inspect and Adapt events.
*Represent & Communicate: Present project results both internally and externally, and present complex technical data to diverse stakeholder groups.
#TB_EN
#ZR
$100k-125k yearly est. 3d ago
Senior Software Development Engineer in Test
Spectraforce 4.5
Principal software engineer job in Tucson, AZ
Senior Software Development Engineer in Test (SDET)
Assignment Duration: 12 months (possibility of extension)
Work Arrangement: Onsite
The Opportunity:
We are seeking an experienced Senior Software Development Engineer in Test (SDET) to join our agile Software Development Team within Roche Pathology Lab R&D in Tucson, AZ USA. This role extends beyond just identifying defects and will be vital in designing, developing, and executing comprehensive test strategies, automation frameworks, and test cases.
Who You Are:
Key Responsibilities:
• You have a minimum of 5 years progressive experience in software development and testing, with a significant focus on test automation framework design and implementation.
• You have a strong understanding of software testing methodologies (black-box, white-box, functional, non-functional, regression, integration, system, acceptance).
• You have significant experience with industry-standard test automation tools and frameworks (e.g., Selenium, Appium, Cypress, JUnit, TestNG).
• You are adept in at least one object-oriented programming and scripting language used for test automation (e.g., Python, Java, C#).
• You are proficient using CI/CD tools and test management tools and processes (e.g., Jira, HP ALM, Jenkins, GitLab CI, Azure DevOps).
• You have experience using AI tools to perform automated test planning, development, execution, analysis and reporting.
• You have proven experience in mentoring and training junior team members.
• You possess excellent problem-solving skills with meticulous attention to detail. Excellent written and verbal communication skills, with the ability to convey technical information effectively to both technical and non-technical audiences.
Qualification & Experience:
• Bachelor's degree in a related technical field (e.g., Computer Science, SoftwareEngineering, Electrical Engineering, etc.)
$99k-132k yearly est. 2d ago
Technical Lead
Tranzeal Incorporated
Principal software engineer job in Tucson, AZ
SAFe Agile Product Owner - Medical Software
W2 Only role.
Candidates must be authorized to work in the United States.
.
Join our team as a SAFe Agile Product Owner and help shape the software that powers advanced medical instruments used in pathology laboratories. In this role, you will serve as the voice of the customer for a dedicated development team, translating complex user workflows and design concepts into high-quality, customer-focused software solutions that directly impact patient care.
Key Responsibilities
Serve as the primary liaison between stakeholders and the development team, ensuring alignment with business and technical priorities.
Own and manage the product backlog, including defining user stories, acceptance criteria, and priorities.
Guide delivery of customer-centric features and formally accept completed work against defined requirements.
Apply design principles and user insights to ensure the right solutions are built for the right problems.
Provide servant leadership to a cross-functional, self-organizing Agile team.
Participate in design reviews and support continuous improvement and innovation.
Required Qualifications
10 years of experience in a software development environment.
Strong problem-solving skills with experience supporting complex systems and technical solutions.
Excellent communication skills with the ability to bridge business and technical stakeholders.
Working knowledge of Agile methodologies and software delivery best practices.
Direct experience working as a Product Owner in a SAFe environment.
Proven experience creating, managing, and prioritizing a product backlog.
Strong communication and coaching skills; comfortable driving alignment and navigating tough conversations.
Software delivery experience with a focus on customer outcomes.
Background in software architecture or technical design.
Project management experience in a software delivery context.
$70k-96k yearly est. 4d ago
Software Engineer
Butler Technical Group
Principal software engineer job in Tucson, AZ
Pay Range: $75-88 ph (W2) Duration: 6 mos The Test Equipment Engineering (TEE) team within the Specialty Engineering Directorate is a multi-discipline organization responsible for developing advanced windows application solutions for all products. We are hands-on, designing with the latest technology and tools, and integrating state of the art software solutions with the most advanced engineering systems in the world. TEE products are in engineering labs, in the field, and in production environments utilized for weapon system products. TEE has job opportunities across all phases of the engineering lifecycle, including demonstrations, early engineering tests, design verification tests, production, and post-production sustainment. This position is focused on the design, development, integration, and maintenance of software as a part of on-site factory support of systems to support weapon system product development. The selected candidate will develop applications, libraries, and instrument drivers using the software style, development language, and integrated development environment specified by the organization. The selected candidate will contribute to multidiscipline engineering teams. Typical work involves the development of both engineering and production equipment, environments, and systems. As such, the candidate will contribute to the completion of all stages of product development for RMD weapon system products. They will be expected to work, either as a part of a team or independently, to design, develop, and implement system level applications in support of producing and maintaining weapon system products.
* STEM degree with min 5yrs industry experience or 3 years plus advanced degree *Design, develop and integrate object-oriented software applications using C#, C++ in Microsoft Visual Studio in a Windows Operating System (OS) Prioritize and handle multiple softwareengineering tasks concurrently Troubleshoot software and test equipment instrumentation Work in a multidiscipline engineering team environment Develop and derive requirements for software products Lead and mentor junior softwareengineers Develop computer architectures and computer hardware optimization techniques Develop software drivers for the operation of computer hardware interfaces Work with common computer hardware interfaces and data protocols such as TCP/IP, UDP, or RS-422 Utilize Unified Modeling Language (UML) to visualize software architecture and design Work within software development lifecycles, such as Waterfall and Agile Practice sound Software Configuration Management principles using Microsoft Azure DevOps Server or GitHub
Benefits provided: 401K, medical, dental, and vision, sick time as applicable to state law
Butler America Aerospace, LLC. is an equal opportunity employer. Butler evaluates applicants without regard to race, color, religion, sex, age, national origin, disability, veteran status, genetic information and other legally protected characteristics. The Butler America Aerospace, LLC. EEO Policy Statement and "Know Your Rights" Poster is available here: Applicant and Employee Notices.
Butler America Aerospace, LLC. is committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of a disability for any part of the employment process, please contact the Human Resources Department at accommodations@butler.com.
Our client, a world leader in diagnostics and life sciences, is looking for a "Staining SoftwareEngineer” based out of Tucson, AZ (Hybrid).
Job Duration: Long term Contract (Possibility Of Further Extension)
Pay Rate: $80/hr on W2
Company Benefits: Medical, Dental, Vision, Paid Sick leave, 401K
Key Responsibilities
Develop and integrate software modules that support lab staining procedures used in medical/biotech applications.
Bridge the gap between scientists (assay/staining experts) and the software that powers/records those processes.
Ensure that all software, databases, and related documentation meet medical device regulatory and quality standards.
Qualifications:
Engineering preferred, but a Biology or Chemistry degree + programming experience is acceptable.
Programming / scripting: Must be comfortable with scripting languages (SQLite preferred, but Python, Perl, or similar acceptable).
Experience: 2-5 years in softwareengineering or scientific software support, preferably in medical device, biotech, or healthcare IT.
Database knowledge: Able to design, edit, and maintain small -scale databases that tie into the staining procedure software.
Documentation: Experience writing clear, regulatory -compliant software documentation (since this is a medical device environment).
Project tools: Familiarity with Smart sheets/MS Project/Trello or similar for project planning and reporting.
Information security & privacy: Working understanding of data handling in regulated industries (HIPAA, FDA compliance).
If interested, please send us your updated resume at
**********************/***************************
$80 hourly Easy Apply 60d+ ago
Senior Embedded Software Engineer I/II
Rocket Lab 3.8
Principal software engineer job in Tucson, AZ
Rocket Lab is an end-to-end space company delivering responsive launch services, complete spacecraft design and manufacturing, payloads, satellite components, and more - all with the goal of opening access space. The rockets and satellites we build, and launch enable some of the most ambitious and vital space missions globally, supporting scientific exploration, Earth observation and missions to combat climate change, national security, and exciting new technology demonstrations.
Our Electron rocket has become the second most frequently launched U.S. rocket annually and has delivered more than 230 satellites to orbit, all while we work to develop Neutron, our upcoming medium-lift, reusable launch vehicle for larger constellation deployment. Our Space Systems business designs and builds our extensive line of satellites, payloads, and their components, including spacecraft that have been selected to support NASA missions to the Moon and Mars and components used on the James Webb Space Telescope.
SPACE SYSTEMS
At Rocket Lab, we're not just launching rockets - we're building the future of space. Our Space Systems team builds everything from complete spacecraft, precision payloads to the components and subsystems that allow them to thrive in space, like solar panels, flight software, star trackers, optical systems, separation systems, radios, and more.
Our Space Systems team has enabled more than 1,700 missions, ranging from interplanetary exploration, in-space manufacturing to national security and defense initiatives. The team has built spacecraft, payloads, and components for missions to the Moon and Mars, working with partners including NASA, the Space Development Agency, and the U.S. Space Force. Whether it's a single high-performance spacecraft, constellation, or the vertically integrated components that help them get to space - our world class Space Systems team is empowering some of the boldest and most ambitious space missions.
SENIOR EMBEDDED SOFTWAREENGINEER I/II
Rocket Lab's Optical Systems division solves mission-critical space domain and Intelligence, Surveillance, and Reconnaissance (ISR) challenges for Department of Defense (DoD) and Intelligence Community (IC) customers. Our vision is to revolutionize the space-based payload market with innovative and novel designs for space, terrestrial, and airborne environments. Building on more than 20 years of electro-optical and infrared systems innovation from Geost, Optical Systems delivers solutions to the warfighter for responsive, scalable sensing solutions across all orbital domains.
As a Senior Embedded SoftwareEngineer I/II based at our Optical Systems sites in Tucson, AZ, you will have the opportunity to support Tranche 3 of the U.S. Space Development Agency's (SDA) Proliferated Warfighter Space Architecture (PWSA) using the latest High-Performance Computing (HPC) technologies including Nvidia CUDA to support advanced Electro-Optical (EO/IR) technology.
WHAT YOU'LL GET TO DO:
Play a key role supporting the development of payload software, external interfaces, and operating system deployments.
Focusing on deployment of novel systems on Size/Weight/Power constrained computing hardware for space sensor payloads.
Participate in all aspects of software design and development starting with requirements generation and following through implementation, testing, deployment, and support.
Leverage core understanding of Linux fundamentals, fault tolerant design, device interface implementation, and real-time operating systems.
Be a part of a team of driven pioneers relentlessly tackling challenging projects, delivering on the impossible, and making an impact on the future of space.
YOU'LL BRING THESE QUALIFICATIONS AS SENIOR EMBEDDED SOFTWAREENGINEER I:
Bachelor's degree in computer science, computer engineering, or equivalent disciplines with 5-8 years of experience.
Experience in softwareengineering with low level C programming.
Ability to obtain and maintain an U.S. Government security clearance.
YOU'LL BRING THESE QUALIFICATIONS AS SENIOR EMBEDDED SOFTWAREENGINEER II:
Bachelor's degree in computer science, computer engineering, or equivalent disciplines with 8-12 years of experience.
Experience in softwareengineering with low level C programming.
Ability to obtain and maintain an U.S. Government security clearance.
THESE QUALIFICATIONS WOULD BE NICE TO HAVE:
Experience with operating system deployment and hardware driver and interfaces.
Exposure to real-time operating systems (RTOS).
Exposure to hybrid C and Python for test desired.
Experience with interfaces, timing, and communications protocols.
Active TS/SCI security clearance.
ADDITIONAL REQUIREMENTS:
Specific vision abilities required by this job include close vision, distance vision, peripheral vision, depth perception, and the ability to focus
Regularly required to sit, use hands and fingers, operate computer keyboard and controls, and communicate verbally and in writing
Must be physically able to commute to buildings
WHAT TO EXPECT
We're on a mission to unlock the potential of space to improve life on Earth, but that's not an easy task. It takes hard work, determination, relentless innovation, teamwork, grit, and an unwavering commitment to achieving what others often deem impossible. Our people out-think, out-work and out-pace. We pride ourselves on having each other's backs, checking our egos at the door, and rolling up our sleeves on all tasks big and small. We thrive under pressure, work to tight deadlines, and our focus is always on how we can deliver, rather than dwelling on the challenges that stand in the way.
Important information:
FOR CANDIDATES SEEKING TO WORK IN US OFFICES ONLY:
To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Learn more about ITAR here.
Rocket Lab provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. This policy applies to all terms and conditions of employment at Rocket Lab, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.
Applicants requiring a reasonable accommodation for the application/interview process for a job in the United States should contact Giulia Johnson at ***********************.This dedicated resource is intended solely to assist job seekers with disabilities whose disability prevents them from being able to apply/interview. Only messages left for this purpose will be considered. A response to your request may take up to two business days.
FOR CANDIDATES SEEKING TO WORK IN NEW ZEALAND OFFICES ONLY:
For security reasons background checks will be undertaken prior to any employment offers being made to an applicant. These checks will include nationality checks as it is a requirement of this position that you be eligible to access equipment and data regulated by the United States' International Traffic in Arms Regulations.
Under these Regulations, you may be ineligible for this role if you do not hold citizenship of Australia, Japan, New Zealand, Switzerland, the European Union or a country that is part of NATO, or if you hold ineligible dual citizenship or nationality. For more information on these Regulations, click here ITAR Regulations.
$102k-132k yearly est. Auto-Apply 4d ago
Software Developer Intern
IBM 4.7
Principal software engineer job in Tucson, AZ
**Introduction** At IBM, work is more than a job - it's a calling: To build. To design. To code. To consult. To think along with clients and sell. To make markets. To invent. To collaborate. Not just to do something better, but to attempt things you've never thought possible. Are you ready to lead in this new era of technology and solve some of the world's most challenging problems? If so, lets talk
**Your role and responsibilities**
As a Developer at IBM, you'll get to work on the systems that are driving the quantum revolution and the AI era. Join our team of creators - the people who help move IBM forward by using their imagination to envision solutions, their curiosity to experiment with new ideas, and their ever-growing skills into action for customers to make better decisions with greater speed on the most trusted platforms in today's market.
IBM has openings for Software Development Engineers to develop, test and provide support for hardware, firmware and oftware that make up our industry- leading IBM Storage products. We are an elite team of engineering professionals that pioneer innovations for the cutting-edge Software and hardware used in IBM infrastructure including IBM Storage Scale System, IBM DS8000, IBM FlashSystem, IBM Ceph and IBM Protect. Development engineers participate in various aspects of the development, test, and support process.
**Required technical and professional expertise**
- Pursuing a Bachelor's or Master's Degree in: Electrical Engineering, Computerr Engineering, Computer Science, Mechanical Engineering, or related majors.
- Prior (project or internship) experience in computer hardware or testing.
- Interest in backend software development and willingness to learn about high-end storage products
- Academic or demonstrated experience developing software or support for software applications
- Knowledge in Bash, Python, C/C++, Databases, Javascript, or REST APIs
- Knowledge of the Linux operating system, including being comfortable using the command line interface
- Firm grasp of software development methodologies (e.g., Agile, DevOps), CI/CD pipelines, version control (Git), and automated testing.
- Some experience with scripting or programming (Python, Bash, etc.).
- Interest in cloud platforms (AWS, GCP, Azure) and containerization (Docker, Kubernetes).
- Strong problem-solving skills and a willingness to learn.
-Demonstrated ability to break down complex technical challenges, propose innovative solutions, and drive them to completion.
- Strong verbal and written communication skills.
- Passion for technology and engineering.
- Growth minded, trusted, team focused, courageous, resourceful, and outcome focused.
**Preferred technical and professional experience**
Proficiency in one or more of the following technology areas:
- Deep understanding of Python and experience developing software that interacts with hardware, preferably storage systems.
- Proven experience with Python libraries commonly used in storage management and data processing.
- Familiarity with storage concepts such as block storage, object storage, file systems, RAID configurations, and data integrity techniques.
- Experience working directly with storage hardware APIs or protocols (e.g., SCSI, NVMe command sets, vendor-specific APIs).
- Proficiency in Python for tasks related to hardware testing and automation.
- Experience with developing Python-based tools for monitoring and managing storage performance and health.
- Knowledge of data serialization formats relevant to storage systems (e.g., JSON, YAML, Protocol Buffers).
- Experience with Python in embedded systems or interacting with low-level hardware interfaces via libraries.
- Familiarity with performance analysis and optimization techniques in Python, particularly in the context of data I/O.
- Experience with CI/CD tools (e.g., Jenkins, GitHub Actions).
- Exposure to monitoring tools (e.g., Prometheus, Grafana, Datadog).
IBM is committed to creating a diverse environment and is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, caste, genetics, pregnancy, disability, neurodivergence, age, veteran status, or other characteristics. IBM is also committed to compliance with all fair employment practices regarding citizenship and immigration status.
$38k-46k yearly est. 60d+ ago
Software Engineer SME (TS/SCI and able to obtain a Polygraph)
North Point Defense 3.9
Principal software engineer job in Tucson, AZ
This job requires an active Top Secret / SCI clearance (with CI Polygraph eligibility). Please apply only if you currently hold an active TS SCI clearance with CI Poly eligibility.
North Point Technology is seeking a Mid-Level SoftwareEngineer to join the Chinook Program, where you'll help design and develop modern applications that support GEOINT data access, visualization, and dissemination. You'll work in a collaborative Agile environment, partnering with mission users, architects, and cloud engineers to deliver secure, high-performance software solutions.
Responsibilities:
Design, develop, test, and deploy software for GEOINT data workflows.
Build microservices, RESTful APIs, and user-facing interfaces using technologies such as React, Node.js, Flask, and Spring Boot.
Develop and maintain secure, containerized applications using Docker and Kubernetes.
Support DevSecOps pipelines and ensure compliance with security and accreditation standards.
Participate in Agile sprints, code reviews, and technical discussions.
Collaborate with users and product owners to refine requirements and enhance user experience.
Mentor junior developers and assist with resolving technical challenges.
Basic Qualifications:
U.S. citizenship and active Top Secret clearance with SCI eligibility (CI Polygraph eligibility).
Bachelor's degree in Computer Science, SoftwareEngineering, or related field with 4-8 years of experience (or Master's with 2-6 years).
Proficiency with:
Languages: Python, Java, JavaScript, Go
Frameworks: React, Angular, Node.js, Spring Boot, Django, Flask, Svelte
Cloud: AWS, Azure, or similar platforms
Databases: MySQL, PostgreSQL, SQL Server
Tools: Git, GitLab CI, Jenkins, JIRA, Confluence
Operating Systems: Windows, Linux
Experience with containerization (Docker, Kubernetes) and CI/CD development.
Understanding of secure coding, RMF, and STIG compliance.
Strong analytical and problem-solving skills with a desire to continuously learn.
Preferred Qualifications:
Experience with UI/UX design and frontend development.
Familiarity with NoSQL databases (OpenSearch/Elasticsearch).
Exposure to multi-cloud environments (AWS, Azure, Google, IBM, Oracle).
Knowledge of AWS services such as S3, EC2, RDS, CloudFormation.
Experience with geospatial technologies (GeoServer, PostGIS, OGC APIs, ESRI ArcGIS).
Infrastructure-as-Code experience (Terraform, Ansible).
Certifications: AWS Developer, Security+, SAFe Practitioner, or equivalent.
Work Locations:
Gaithersburg, MD
Alexandria, VA
Chantilly, VA
Aurora, CO
St. Louis, MO
Tucson, AZ
North Point Technology is THE BEST place to work for curious-minded engineers motivated to support our country's most crucial missions! We focus on long term projects, leveraging the latest technology in support of innovative solutions to solve our customer's most difficult problems.
At North Point Technology, EMPLOYEES come first! We value our employees by providing excellent compensation, benefits, and a flexible work-life balance. We strive for a close-knit and open atmosphere where the owners are always directly available to our team members.
Come join us! Apply with North Point Technology today!
For positions requiring a federal security clearance, your clearance level must be clearly identified on your resume.
$74k-103k yearly est. Auto-Apply 4d ago
Software Engineer II
National Optical Astronomy Observatory
Principal software engineer job in Tucson, AZ
NOIRLab's Data Management and Software division is seeking a Software Development Engineer II who will integrate and optimize backend technologies, observatory control systems and infrastructure engineering. Your expertise in Python, C and C++ will be critical as you develop low-latency, high-reliability services that control telescope operations and manage instrumentation integration.
You will collaborate with multidisciplinary teams including hardware engineers, scientists and operations staff to architect, build and support software that ensures observatory uptime, scientific data integrity and operational safety.
What You Will Be Working On
Our technology stack includes:
* Python, C and C++ middleware and control software for observatory systems
* Linux-based environments with system-level scripting and service orchestration
* Real-time telemetry and monitoring using Grafana, InfluxDB and Redis
* Queue scheduling system leveraging PostgreSQL, Django REST backend and a Bootstrap UI with vanilla JavaScript for dynamic interactions
Key initiatives include:
* Designing and maintaining telescope control middleware and backend services
* Developing monitoring and observability pipelines to track system health and performance
* Integrating new instruments into the control ecosystem
* Diagnosing and resolving real-time software and system faults during observatory operations
* Automating deployments and infrastructure management for robust, repeatable releases
Essential Functions
* Design, implement and maintain backend services and middleware for telescope and instrument control
* Develop and operate observability tools and dashboards to monitor system telemetry and health
* Collaborate with hardware and instrumentation teams to integrate software and hardware interfaces
* Own the identification and resolution of critical production faults with precision and speed
* Build and improve CI/CD pipelines to streamline deployment and rollback processes
* Drive clarity through high-quality technical documentation and strengthen team expertise through active knowledge sharing
* Provide onsite system support and maintenance at an elevation of approximately 6,800 ft.
Requirements
* Bachelor's degree in Computer Engineering, Computer Science or a related technical field
* 4+ years of professional softwareengineering experience in backend or systems programming roles
* Extensive, proven experience with Python, C and C++
* Extensive, proven experience designing, building and maintaining distributed systems or services in a real-time or data-intensive environment
* Proven high-level proficiency of softwareengineering fundamentals, including algorithms, data structures, concurrency, version control, CI/CD, etc.
* Extensive, proven experience working with APIs, network protocols or hardware integration
* Proven high-level proficiency in problem-solving and debugging, including experience with live systems and production-quality software
* Clear and effective communicator, adept at documenting and conveying technical information to non-technical audiences
* Comfortable working with a remote, globally distributed team
* Physically capable of working at the KPNO site, located at an elevation of approximately 6,800 ft.
Preferred Qualifications
* Knowledge of telescope control systems, remote observatory operations and observatory middleware architectures
* Knowledge of observatory infrastructure, software integration and data pipelines in a scientific research context
* Familiarity with scientific computing workflows, observational instruments and astronomical data processing
* Contributions to open-source telescope, scientific or engineeringsoftware
* Background in DevOps or SRE practices for critical system reliability
* Experience with Tcl/Tk programming for legacy system integration and instrumentation control
* Experience with PLC programming (e.g., ladder logic) for hardware interface and motion control in telescope subsystems
* Passion for astronomy, scientific software and advancing scientific research and discovery through innovative technology
Why Join Us
At NSF's NOIRLab, we believe in science for everyone. Our Data Management and Software division is committed to building high-performance, scalable solutions that drive progress and support the seamless integration of cutting-edge technologies in our operations. You will join a collaborative, mission-driven team that values creativity, innovation and technical excellence. Your work will directly enable scientific breakthroughs and provide critical operational support to astronomers worldwide - and you will help shape how a new generation explores and interacts with the night sky.
Preference will be given to qualified internal candidates and qualified Native Americans living on or near the Tohono O'odham reservation.
Salary Range:
$92,800 - $102,200. The final salary will depend on skills, qualifications and experience.
AURA offers an excellent benefits package including paid time off and retirement plan contributions, competitive salary commensurate with experience, and a very attractive work environment. Details on benefits can be found at ***************************************************
How to Apply
Apply by October 29, 2025 for priority consideration. This position will remain open until it is filled. Please submit a cover letter and a CV or resume, PDF files preferred. Please name any attachments with the following format: Lastname Docname.
Individuals needing assistance with the employment process can request assistance at *************************
$92.8k-102.2k yearly 60d+ ago
Software Engineer, macOS Core Product - Tucson, USA
Speechify
Principal software engineer job in Tucson, AZ
At Speechify, our mission is to ensure reading is never a barrier to learning. Over 50 million people use Speechify's text-to-speech products-including apps on iOS, Android, mac OS, Chrome, and web-to listen to PDFs, books, docs, and web content faster, smarter, and more joyfully than ever before. Our product has earned recognition from Google (
Chrome Extension of the Year
) and Apple (
App of the Day
and 2025 Inclusivity Design Award) for its impact and accessibility.
We're a fully remote, distributed team of engineers, designers, researchers, and product builders from world-class companies like Amazon, Microsoft, Google, Stripe, and more. We move fast, ship often, and love solving real user problems.
Role Overview
As a SoftwareEngineer on the mac OS team, you'll help build and scale Speechify's core desktop experience for millions of users. You'll own significant parts of our mac OS app architecture, ship production-ready code, and collaborate closely with product, design, and engineering teams across the company.
This is a key role for someone who thrives in a fast-paced startup environment, enjoys making high-impact product decisions, loves delightful user experiences, and has a passion for accessibility and performance.
What You'll Do
Lead key engineering and product decisions for the mac OS app.
Write, test, and ship production-quality code that scales to millions of users.
Maintain and evolve complex app architecture with a focus on performance and stability.
Work within a cross-functional team, partnering with designers and PMs to shape features from concept to launch.
Participate in product planning and roadmap discussions.
Drive continuous improvement in code quality, CI/CD processes, and development workflows.
You should have:
Demonstrated experience shipping mac OS (or related desktop) applications used by many customers.
Strong engineering instincts with a deep focus on user experience.
A strategic mindset for building great products-not just writing code.
Ability to work quickly, decide what to build now vs. later, and iterate fast.
Experience working in remote, distributed teams.
Technical requirements:
Swift / SwiftUI (mac OS) proficiency.
Solid understanding of AppKit, mac OS frameworks, and desktop-specific UI paradigms.
Strong understanding of concurrency and asynchronous execution models
Familiarity with Bitrise, CI/CD workflows (e.g., Xcode Cloud, GitHub Actions).
Strong understanding of concurrency and asynchronous execution models
What We offer:
Impact & Ownership: Build and influence a product used by millions globally.
Remote First: Flexible, asynchronous work culture.
Growth & Leadership: Flat org - leadership is earned by impact, not title.
Collaborative Environment: Work with smart, passionate engineers and designers.
Competitive Compensation: Market-aligned salary, bonus, and equity.
The United States Based Salary range for this role is: 140,000-200,000 USD/Year + Bonus + Stock depending on experience
Why Join Speechify?
At Speechify, we ship fast, build for real users, and care deeply about quality and accessibility. You'll work on products that change lives, and your contributions will shape both the product and the company.
If this sounds like your kind of challenge, we'd love to hear from you. Apply with your resume and links to your portfolio or GitHub!
Think you're a good fit for this job?
Tell us more about yourself and why you're interested in the role when you apply.
And don't forget to include links to your portfolio and LinkedIn.
Not looking but know someone who would make a great fit?
Refer them!
Speechify is committed to a diverse and inclusive workplace.
Speechify does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.
Job Description
Job Title: SoftwareEngineer (Levels II-IV) - Cleared
Program: Effectors Test Equipment Engineering (TEE)
Work Schedule: 9/80 (Every other Friday off)
Security Clearance: Active Secret (Required to Start)
Citizenship: U.S. Citizen
Total Openings: 10
LEVEL II - SoftwareEngineer II (ENG02)
Openings: 5
Pay: Up to $67.50/hr
Experience Required: 2+ years or Advanced STEM degree
Education: Bachelor's in Computer Science, Electrical Engineering, or related STEM discipline
Core Focus: Entry to mid-level software development and integration for test equipment systems
Key Skills & Tools:
Programming languages: C#, C++, Java, Python, Visual Basic
Tools: Microsoft Visual Studio, Windows OS
Object-oriented software design and development
Debugging, troubleshooting, and test equipment integration
Understanding of software lifecycles (Waterfall, Agile)
Responsibilities:
Design, develop, and integrate object-oriented applications in C# and C++
Support test system development for engineering and production environments
Troubleshoot software and instrumentation
Work in multidiscipline teams to meet project goals
LEVEL III - Senior SoftwareEngineer (ENG03)
Openings: 6
Pay: Up to $92/hr
Experience Required: 5+ years or 3+ years with Advanced STEM degree
Education: Bachelor's in Computer Science, Electrical Engineering, or related STEM discipline
Core Focus: Mid-level leadership on software design projects, mentoring, and integration of test system software
Key Skills & Tools:
Programming: C#, C++, Java, Python
Tools: Microsoft Visual Studio, Azure DevOps, GitHub
Software Configuration Management (SCM) and UML modeling
Networking protocols: TCP/IP, UDP, RS-422
Test instrumentation: Oscilloscopes, Power Supplies, DMMs
Responsibilities:
Design, develop, and integrate Windows-based applications and libraries
Lead and mentor junior softwareengineers
Develop software drivers and manage computer hardware interfaces
Implement software lifecycle and SCM best practices (Agile, DevOps, Git)
LEVEL IV - PrincipalSoftwareEngineer (ENG04)
Openings: 4
Pay: Up to $101/hr
Experience Required: 8+ years or 5+ years with Advanced STEM degree
Education: Bachelor's in Computer Science, Electrical Engineering, or related STEM discipline
Core Focus: Senior-level technical leadership across software development and test system integration projects
Key Skills & Tools:
Advanced C#, C++, Python, Java software architecture and integration
Windows OS, Visual Studio, Azure DevOps, GitHub
Software driver development for test hardware
UML, object-oriented design, hardware interface control
Strong leadership, project coordination, and mentoring experience
Responsibilities:
Lead software design, development, and integration for test equipment systems
Oversee full lifecycle from requirements through delivery
Coordinate cross-functional teams and ensure system-level software performance
Drive architecture optimization and process improvement
Common Requirements (All Levels)
Active Secret Clearance and U.S. Citizenship required
100% onsite in Tucson, AZ (no remote work)
Experience developing software for test systems or embedded environments
Hands-on with Windows application development, object-oriented design, and hardware integration
Proficiency with debugging tools, IDEs, and test instrumentation
Excellent communication, documentation, and teamwork skills
$70k-97k yearly est. 10d ago
HWIL Software Engineer - P2
RTX
Principal software engineer job in Tucson, AZ
Country:
United States of America Onsite
U.S. Citizen, U.S. Person, or Immigration Status Requirements:
Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
Security Clearance:
DoD Clearance: Secret
At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today's mission and stay ahead of tomorrow's threat. Our team solves tough, meaningful problems that create a safer, more secure world.
Raytheon is seeking a SW engineer that has hands on integration and troubleshooting experience. The individual will need to map requirements to the software development and help support integration of the system within a multi-disciplined team.
What You Will Do
Collaborate in a multi-disciplinary team to develop software to control Hardware-In-the-Loop (HWIL) facilities (flight simulators for missiles).
Software design, coding and integration in a real-time environment.
Travel up to 20% to support development and/or delivery of our test environment equipment.
Because of the nature of our work, remote work is not available.
What You Will Learn
System level knowledge of the products the HWIL department supports.
Working across multi-disciplined group of engineers.
Development and integration of software for an HWIL system.
Qualifications You Must Have
Typically requires a Bachelor's in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 2 years of relevant software development experience, or a Master of Science degree in a related field.
Experience with software development in C++, using the object-oriented features.
Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required.
Qualifications We Prefer
A Computer Science, or SoftwareEngineering degree
Experience contributing to the design, development and/or integration of the test equipment and/or hardware (software that controls complicated hardware systems)
Strong organization, coordination, planning, teaming skills, as well as written and oral communication skills.
Experience with Software Agile Process.
Experience developing software using a Linux operating systems.
Some comprehension of Earned Value Management System (EVMS) terminology.
What We Offer
Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value Safety, Trust, Respect, Accountability, Collaboration, and Innovation.
Please consider the following role type definitions as you apply for this role.
Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.
This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: ************************************************
Location Tucson, AZ
As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.
The salary range for this role is 68,900 USD - 131,100 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate's work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company's performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.
RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans' Readjustment Assistance Act.
Privacy Policy and Terms:
Click on this link to read the Policy and Terms
$70k-97k yearly est. Auto-Apply 1d ago
Secret Software Engineer
Insight Global
Principal software engineer job in Tucson, AZ
This position is focused on the design, development, integration, and maintenance of software as a part of on-site factory support of systems to support weapon system product development. The selected candidate will develop applications, libraries, and instrument drivers using the software style, development language, and integrated development environment specified by the organization.
The selected candidate will contribute to multidiscipline engineering teams. Typical work involves the development of both engineering and production equipment, environments, and systems. As such, the candidate will contribute to the completion of all stages of product development for RMD weapon system products. They will be expected to work, either as a part of a team or independently, to design, develop, and implement system level applications in support of producing and maintaining weapon system products.
What You Will Do:
- Design, develop and integrate object-oriented software applications using C#, C++ in Microsoft Visual Studio in a Windows Operating System (OS)
- Prioritize and handle multiple softwareengineering tasks concurrently
- Troubleshoot software and test equipment instrumentation
- Work in a multidiscipline engineering team environment
- Develop and derive requirements for software products
- Lead and mentor junior softwareengineers
We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to ********************.To learn more about how we collect, keep, and process your private information, please review Insight Global's Workforce Privacy Policy: ****************************************************
Skills and Requirements
LCATS:
- Level 4: Bachelor's Degree in STEM and minimum 8 years prior relevant experience, or an Advanced degree in a related field and minimum 5 years experience.
- Level 3: Bachelors' in STEM degree with min 5 yrs industry experience or 3 years plus advanced degree
- Design, develop and integrate object-oriented software applications using C#, C++ in Microsoft Visual Studio in a Windows Operating System (OS)
- Prioritize and handle multiple softwareengineering tasks concurrently
- Troubleshoot software and test equipment instrumentation
- Work in a multidiscipline engineering team environment
-Develop and derive requirements for software products
- Lead and mentor junior softwareengineers
- Develop computer architectures and computer hardware optimization techniques
- Develop software drivers for the operation of computer hardware interfaces
- Work with common computer hardware interfaces and data protocols such as TCP/IP, UDP, or RS-422
- Utilize Unified Modeling Language (UML) to visualize software architecture and design
- Work within software development lifecycles, such as Waterfall and Agile
- Practice sound Software Configuration Management principles using Microsoft Azure DevOps Server or GitHub
$70k-97k yearly est. 60d+ ago
Software Engineer (DoD Clearance Required)
Synectic Solutions 3.8
Principal software engineer job in Tucson, AZ
SSI needs to add a SoftwareEngineer III to support our current list of services provided for the U.S. Navy, Surface Missile Technical Representative Office, Tucson Arizona.
Provide SoftwareEngineering support to Naval Air Warfare Center Weapons Division (NAWCWD), Surface Missile Technical Representative (Tech Rep) Office, Tucson Arizona supporting the IWS 3, IWS-11, IWS-12, and Missile Defense Agency Program Offices.
Primary Functions:
Provide technical assessment for major projects, proposals, project planning and direction of TI and design efforts.
Ensure all technical assessment and recommendations of software documents are thorough and complete and submitted in time to support overall program milestones and reviews.
Review and assess software technical documentation for Change Control Boards (CCB), design reviews, and formal and informal peer reviews to include tasks such as panel member for software Formal Qualification Test (FQT), Test Readiness Reviews (TRR), Test Review Boards (TRB), Verify FQT execution and attend related data reviews.
Ensure all technical assessments are thorough, addresses technical feasibility of implementation, and supports an integrated program plan or schedule.
Facilitate and coordinate exchange of technical communications between RMD SoftwareEngineering community and Government agencies including Engineering Change Proposal (ECP) Leader, review of TDP and other ECP artifacts.
Ensure technical communications is clear, concise, foster dialogue, and enable technical decision making.
Develop and coordinate technical agendas for software/firmware engineering program reviews and technical exchanges.
Provide technical assessments for internal Government and Contractor Integrated Product Teams (IPTs) that identify and resolve missile software problems.
Provide technical assessment and recommendations for Permit-to-Ship and major engineering and design/readiness reviews, such as Preliminary Design Review (PDR), Critical Design Review (CDR), Missile Readiness Review (MRR), and Mission Control Panel (MCP).
Review and assess formal software/firmware documentation and presentations in support of major Surface Missiles.
Education/Experience/Skills:
U.S. Citizenship and Active DoD SECRET Clearance required.
Bachelor's degree in a quantitative field such as engineering or mathematics (e.g. Electrical Engineering, Computer Engineering, Computer Science, Information Technology, or Information Systems).
8+ years of professional experience with softwareengineering.
Experience with applying programming concepts in a professional setting.
Experience with applying modern software development methodologies (e.g. agile, DEVOPS/DEVSECOPS) in a professional or academic setting.
What Your Experience Working for Us Will Be Like
Ask any of our employees and they will tell you SSI is a great place to work with an upbeat and positive culture. We take pride in our work to continuously improve on our performance in a manner that enhances the mission of the agencies we serve while expanding opportunities for our employees and our company.
About Synectic Solutions, Inc. (SSI)
Synectic Solutions, Inc. (SSI), is an award-winning, 20-year government contracting agency focused on the areas of logistics, engineering, management, and information technology. SSI is a growing organization committed to exceeding customer expectations, to continually improving all products, services, and processes, and to perform all work with the commitment to upholding the highest standards and ethics.
Ready to apply?
If this job sounds like a fit for you, then click on the ‘apply' button below. Good luck!
$73k-102k yearly est. Auto-Apply 11d ago
Test & Validation Senior Engineer
Caterpillar 4.3
Principal software engineer job in Tumacacori-Carmen, AZ
Your Work Shapes the World at Caterpillar Inc.
When you join Caterpillar, you're joining a global team who cares not just about the work we do - but also about each other. We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don't just talk about progress and innovation here - we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it.
Caterpillar's Resource Industries Division is seeking a Test & Validation Senior Engineer to support electrification product development at our Tucson Proving Ground. In this role, you'll work on engineering assignments that build your expertise in Caterpillar products, technologies, and systems. Your focus will be full-scale testing of mining and construction equipment to ensure products perform as intended and meet customer requirements. You won't just test machines-you'll influence the future of sustainable mining and construction.
What You'll Do:
Lead Testing Projects: Plan and execute full-scale tests on advanced equipment and technologies to confirm they meet engineering and customer requirements.
Drive Safety & Quality: Make safety your top priority and champion continuous improvement in every aspect of testing.
Own the Process: Develop test plans, write work instructions, manage machine builds/modifications, define instrumentation, and analyze results.
Solve Complex Challenges: Apply your technical skills across mechanical, hydraulic, electrical, electronic, and software systems.
Leverage Data: Use tools like Excel, Tableau, DATK, and MS Office to turn raw data into actionable insights.
Collaborate & Innovate: Work closely with engineers, technicians, and operators to deliver projects on time and within budget.
Hands-On Experience: Operate mining equipment after training and gain deep knowledge of machine systems.
Continuous Improvement: Share ideas to enhance safety, efficiency, and product performance.
Why You'll Love Working Here:
Work-Life Balance: Enjoy a 9/80 schedule-26 extra days off per year!
Impactful Work: Your contributions directly shape next-generation electrified machines.
Career Growth: Build expertise in cutting-edge technologies and large-scale systems.
Team Culture: Collaborate with passionate professionals in a supportive environment.
Education requirement: Bachelor's degree in Mechanical Engineering, Electrical Engineering, or a related engineering discipline.
What Skills You Will Have:
Technical Excellence: Experience in testing or validation within heavy equipment, automotive, or industrial machinery.
Product Testing: Experience designing and executing testing strategies. Experience with construction, forestry, mining or agricultural equipment is a plus.
Troubleshooting Technical Problems: Ability to diagnose and resolve technical issues related to machine performance. Uses tools such as CAT ET, CANape, and Cadet for machine functionality.
Additional Core Skills:
Accuracy and Attention to Detail
Analytical Thinking
Decision Making and Critical Thinking
Effective Communication
Project Management
Top Candidates Will Also Have
Strong computer skills and ability to manage multiple software applications.
Experience with TCE, DATK, SuperComm 2, Cadet, Caterpillar Electronic Technician, CANape, and electrical troubleshooting.
Background in product development, machine testing, mining, or mechanical/hydraulic systems.
Ability to work on your feet for extended periods in varied conditions (indoor/outdoor, hot/cold, dusty).
Ability to safely operate equipment after training.
Additional Information:
Location: Green Valley, AZ
Domestic Relocation: Assistance available
Schedule: Enjoy a 9/80 work schedule, providing an extra day off every other week-equivalent to 26 additional days off per year for improved work-life balance.
Travel: Up to 10%
Summary Pay Range:
$112,710.00 - $169,060.00
Compensation and benefits offered may vary depending on multiple individualized factors, job level, market location, job-related knowledge, skills, individual performance and experience. Please note that salary is only one component of total compensation at Caterpillar.
Benefits:
Subject to plan eligibility, terms, and guidelines. This is a summary list of benefits.
Medical, dental, and vision benefits
Paid time off plan (Vacation, Holidays, Volunteer, etc.)
401(k) savings plans
Health Savings Account (HSA)
Flexible Spending Accounts (FSAs)
Health Lifestyle Programs
Employee Assistance Program
Voluntary Benefits and Employee Discounts
Career Development
Incentive bonus
Disability benefits
Life Insurance
Parental leave
Adoption benefits
Tuition Reimbursement
These benefits also apply to part-time employees
This position requires working onsite five days a week.Relocation is available for this position.Visa Sponsorship is not available for this position. This employer is not currently hiring foreign national applicants that require or will require sponsorship tied to a specific employer, such as, H, L, TN, F, J, E, O. As a global company, Caterpillar offers many job opportunities outside of the U.S which can be found through our employment website at
Posting Dates:
January 8, 2026 - January 28, 2026
Any offer of employment is conditioned upon the successful completion of a drug screen.
Caterpillar is an Equal Opportunity Employer, Including Veterans and Individuals with Disabilities. Qualified applicants of any age are encouraged to apply.
Not ready to apply? Join our Talent Community .
$112.7k-169.1k yearly 2h ago
Software Engineer
Butler Technical Group
Principal software engineer job in Tucson, AZ
Pay Range: $55-65 ph (W2) Duration: 6 mos This position is for a SoftwareEngineer II with at least 2 years of professional experience or an advanced STEM degree. This position is focused on the design, development, integration, and maintenance of software as a part of on-site factory support of systems to support weapon system product development. The selected candidate will develop applications, libraries, and instrument drivers using the software style, development language, and integrated development environment specified by the organization. The selected candidate will contribute to multidiscipline engineering teams. Typical work involves the development of both engineering and production equipment, environments, and systems. As such, the candidate will contribute to the completion of all stages of product development for RMD weapon system products. They will be expected to work, either as a part of a team or independently, to design, develop, and implement system level applications in support of producing and maintaining weapon system products.
What You Will Do:
* Design, develop and integrate object-oriented software applications using C#, C++ in Microsoft Visual Studio in a Windows Operating System (OS)
* Prioritize and handle multiple softwareengineering tasks concurrently
* Troubleshoot software and test equipment instrumentation
* Work in a multidiscipline engineering team environment
* Develop and derive requirements for software products
Qualifications You Must Have:
* Typically requires a Bachelor's Degree in Science, Technology, Engineering, or Mathematics (STEM) and minimum 2 years prior relevant experience, or an Advanced degree in a related field.
* Experience in developing and integrating software applications using programming languages including but not limited to C++, C#, Java, Python or Visual Basic.
* Experience in utilizing integrated development environments and debugging tools to troubleshoot software implementation and ensure integrity of the software products.
* Experience with Windows Operating System and Microsoft Visual Studio is required.
* Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Qualifications We Prefer:
* Knowledge of computer architecture and computer hardware optimization techniques
* Knowledge of the development of software drivers for the operation of computer hardware interfaces
* Knowledge in common computer hardware interface and data protocols such as TCP/IP or UDP
* Knowledge of Unified Modeling Language (UML) to visualize software architecture and design
* Knowledge of software development lifecycles, such as Waterfall and Agile
* Knowledge of Software Configuration Management principles
* Good written and interpersonal communication skills
Benefits provided: 401K, medical, dental, and vision, sick time as applicable to state law
Butler America Aerospace, LLC. is an equal opportunity employer. Butler evaluates applicants without regard to race, color, religion, sex, age, national origin, disability, veteran status, genetic information and other legally protected characteristics. The Butler America Aerospace, LLC. EEO Policy Statement and "Know Your Rights" Poster is available here: Applicant and Employee Notices.
Butler America Aerospace, LLC. is committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of a disability for any part of the employment process, please contact the Human Resources Department at accommodations@butler.com.
$55-65 hourly 60d+ ago
2026 Full-time - Software Engineer I - Onsite (AZ)
RTX
Principal software engineer job in Tucson, AZ
Country:
United States of America Onsite
U.S. Citizen, U.S. Person, or Immigration Status Requirements:
Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
Security Clearance:
DoD Clearance: Secret
At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today's mission and stay ahead of tomorrow's threat. Our team solves tough, meaningful problems that create a safer, more secure world.
The Software organization develops software applications, including integration and test on missiles, launchers, radars, naval systems, fire control and other complex systems. Our precision software and firmware integrate operating systems, device drivers, networking, and control software to bring together sensors, guidance, and flight control processing features to complete the mission. The Software org is made up of several Centers located across the country, responsible for all aspects of the software development lifecycle. Our 4000+ softwareengineers design, develop, and build innovative solutions for our customers. Join our fast-paced agile teams on the leading edge of technology.
As part of the SoftwareEngineering Directorate's (SWE) Effectors Center (EC) team, you will be an integral part of helping Raytheon further our vision to be the global leader in core and next-generation weapon and security solutions. By any measure, Raytheon is an exciting and rewarding place to work. We pride ourselves on developing mission-driven, world-class talent. The result is a workforce that takes pride in the company and consistently delivers superior solutions.
Our engineers design, develop, and build innovative solutions for the U.S. Government. Experience all aspects of a software development life cycle as a member of a fast-paced agile team on the leading edge of:
Real-time systems design
Digital signal processing
Machine Learning and Autonomous Systems
Cyber Security
DevOps technologies and methods
We encourage curious, creative problem solvers to join our team of bright, dedicated software craftspeople in designing and implementing highly innovative systems. You will learn advanced softwareengineering practices and apply new technologies to develop next generation capabilities and help keep our country safe.
This position is within the Effectors Center of the Software organization, and is an onsite role located in Tucson, AZ.
What You Will Do:
Assist and participate in the requirements, design, development and testing of real-time embedded software, application software, and tools, to include development of new work products or enhancement of existing applications and systems.
Design, code, test, integrate, and document software solutions.
Participate in internal review of software components and systems.
Collaborate with project managers and other professionals within Engineering.
Work on problems with defined scope, schedule, and expectations.
Follow established development practices and processes to maintain the configuration management of software products.
What You Will Learn:
Use new tools that will keep you state-of-the-art.
Stay updated with the latest advancements in software development and missile technology to drive innovation.
Qualifications You Must Have:
Bachelor's degree in Science, Technology, Engineering, or Mathematics (STEM).
This position requires 12 months or less of relevant professional work experience (excluding Internships).
Experience with C, C++, or Java.
The ability to obtain and maintain a U.S. government issued clearance. U.S. citizenship is required as only U.S. citizens are eligible for a security clearance.
Qualifications We Prefer:
Bachelor's degree in Computer Engineering, Computer Science, or SoftwareEngineering, and prior Internship experience.
1 year or more of Calculus, Physics and Computer Science studies that include assembly level programming, plus coursework covering modern software languages (such as C, C++ or Java).
Knowledge of data structures and algorithms, systems software design, operating systems and architectures.
Knowledge of assembly, C/C++ programming, structured programming concepts.
Knowledge of object-oriented design and Unified Model Language.
Knowledge of statistical and numerical methods.
Interpersonal and communication skills, both verbal and written.
ABET is the preferred, although not required, accreditation standard. 3.0 cumulative GPA desired.
Demonstrated ability to work effectively with colleagues and leaders in a team environment.
What We Offer:
Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation.
Learn More & Apply Now!
Please consider the following role type definition as you apply for this role.
Onsite role in Tucson, AZ
Employees who are working in Onsite roles will work primarily onsite. This includes all production employees, as they are essential to the development of our products. This position involves direct support of manufacturing activities and requires spending significant amounts of time in and around factory areas.
Additional Details:
Please upload a copy of your most recent resume when applying to this requisition. Include your cumulative GPA and projected graduation date on your resume.
This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: ************************************************
As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.
The salary range for this role is 57,200 USD - 108,800 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate's work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company's performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.
RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans' Readjustment Assistance Act.
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$70k-97k yearly est. Auto-Apply 1d ago
Software Engineer
Synectic Solutions 3.8
Principal software engineer job in Tucson, AZ
Synectic Solutions Inc is seeking a Business Development Analyst!
Reporting to the Vice President of Business Development, the candidate is responsible for supporting all corporate Business Development functions. This candidate will reside in the Ventura County area. These specific duties are listed below.
Duties and Responsibilities:
Develop and maintain all documents used in the Business Development department.
Manage corporate Customer Relationship Management (CRM) tools.
Interface with internal departments and teaming partners throughout the capture and solicitation process to coordinate documenting strategies, approaches, and deliverables.
Coordinate and schedule proposal-related strategy sessions, including SWOTs, Black Hats, Win Themes, Strategy Sessions, etc.
Assist with all pre-proposal preparation and capture activities, including research into current contract efforts utilizing resources such as LRAFs, FPDS-NG, FOIA Requests and SAM.gov.
Build capability matrix based on PWS/SOW.
Support recruitment department with developing job requisitions.
Record action items and communicate due dates according to the proposal schedule.
Maintain proposal knowledge base, capture lessons learned, and implement improvements to the proposal process, templates, and content.
Participate in all aspects of proposal volume development including but not limited to writing, editing, charts, tables, graphs and production efforts from assignment and receipt of solicitation through delivery and receipt of proposal by the customer.
Provide technical editing of written material, writing new material or rewriting historical material, proofreading, and performing quality check of proposals while meeting tight deadline constraints.
Distribute and update documents and Q&As to all teaming partners.
Assist with 100% on-time delivery of compliant proposals on all assigned opportunities.
Coordinate with proposal teams to establish and execute capture and proposal strategy.
Qualifications include:
U.S. Citizenship and must be able to obtain and maintain U.S. DoD SECRET Security Clearance required for hire, and to be maintained throughout employment.
A Bachelor's degree or equivalent and 3+ years of relevant professional experience in Business Development for a Government Contractor.
Proposal experience on a variety of competitive opportunities including a relevant mix of program types, complexities, products, technologies, and customers
Demonstrated experience in consolidating and managing team developed content ensuring compliance, quality, and timeliness
Strong organizational management skills and attention to detail
Team player and team builder
Ability to work in a matrixed environment with all levels of the organization, up to and including senior management
Flexible to work a schedule which may include evenings and weekends, as required during proposal writing
Capable to generate briefing and presentation materials/slides
Function effectively in a fast-paced, deadline-driven environment
Work with little direction and handle multiple tasks
Have a working knowledge of MS Office business applications and experience working with Virtual Proposal Center, SharePoint, or other proposal management tools
Experience in managing and enforcing version control policies and procedures in a cloud-based environment or SharePoint
Ability to manage competing priorities in a complex environment
Demonstrated analytical, reasoning, planning and problem-solving abilities
Excellent time-management, organizational and record-keeping skills
Energy, enthusiasm, and a team-focused mentality with proven abilities to work collaboratively and think strategically
How much does a principal software engineer earn in Drexel Heights, AZ?
The average principal software engineer in Drexel Heights, AZ earns between $92,000 and $172,000 annually. This compares to the national average principal software engineer range of $98,000 to $182,000.
Average principal software engineer salary in Drexel Heights, AZ
$126,000
What are the biggest employers of Principal Software Engineers in Drexel Heights, AZ?
The biggest employers of Principal Software Engineers in Drexel Heights, AZ are: