Post job

Principal software engineer jobs in Frederick, MD

- 6,701 jobs
All
Principal Software Engineer
Software Engineer
Software Engineering Internship
Software Development Engineer
Software Applications Engineer
Lead Developer
Software Developer Internship
Software Leader
  • Lead Ab Initio Developer (W2 only)

    Ntech Workforce

    Principal software engineer job in Reston, VA

    Terms of Employment: Contract, Six Months (Likely Extension) This position is remote. Candidates must reside in Maryland, Washington, DC, Virginia, or West Virginia. We are looking for an experienced Lead Data Engineer with deep expertise in Ab Initio to join a high-priority cloud migration team. In this role, you will apply your ETL development skills to help transition our data platform from a Cloudera/Ab Initio environment to a state-of-the-art stack on AWS. If you are an Ab Initio expert who is excited about working with modern cloud data technologies, this is the perfect role for you. You will… Develop, test, and maintain ETL processes using Ab Initio for a large-scale data migration. Work with the engineering team to deploy and run Ab Initio jobs in a cloud environment. Engage in performance tuning of ETL workflows to ensure data is loaded efficiently into new AWS databases like Redshift and PostgreSQL. Analyze and understand the existing Cloudera environment to ensure a smooth transition. Collaborate on data access and loading strategies for various file types. Required Qualifications: 8+ years of hands-on experience as an Ab Initio developer with large, enterprise organizations. Strong background in ETL development, data warehousing, and database concepts. Ability to clearly articulate technical concepts and past project work. Experience running Ab Initio on a cloud platform, particularly AWS. Hands-on experience with AWS data services, especially Redshift, PostgreSQL, and/or Athena. Preferred Qualifications: Experience with the Cloudera ecosystem. Professional experience in the healthcare industry.
    $97k-140k yearly est. 4d ago
  • Summer 2026 Software Engineering Intern

    Aerovironment 4.6company rating

    Principal software engineer job in Germantown, MD

    Our Summer Internship Program is meticulously designed to provide students with an immersive and dynamic experience within our industry, offering a taste of what it's like to be part of our professional team. We strive to simulate a full-time job, enabling our interns to work hands-on with cutting-edge technology, contribute to meaningful projects, build strong relationships with coworkers, and develop strategic problem-solving skills. Our program is highly selective, hosting only a handful of interns each year, ensuring personalized attention and ample opportunities to work closely with AV team members. We are hiring for various roles and locations throughout the US, during the interview process we will be able to discuss specific details regarding team and location. **Summary** As a **Software Engineering Intern** , you'll be part of a collaborative, multidisciplinary team working on real-world projects across AV technology portfolio. You'll assist in the design, development, and testing of software solutions for a variety of applications - from ground control systems and user interfaces to data pipelines and simulation tools. This role is ideal for someone who's eager to apply their software development skills in a dynamic, hands-on environment, while learning from experienced engineers and contributing to projects with real impact. **Position Responsibilities** + Assist in the design, coding, testing, and debugging of software components and systems. + Contribute to the development of tools and applications that support AV robotics and aerospace platforms. + Collaborate with engineers across software, hardware, and systems teams to integrate and test new capabilities. + Participate in code reviews, documentation, and the use of version control and defect tracking tools. + Help develop scripts or automation to improve team workflows and efficiency. + Learn and apply best practices in software development processes, including Agile methodologies. + Support the development of prototypes, simulations, and proof-of-concept demonstrations. + Attend team meetings, contribute ideas, and learn to estimate development effort and timelines. **Basic Qualifications (Required Skills & Experience)** + Currently pursuing a **Bachelor's or Master's degree** in **Computer Science, Software Engineering** , or a related field. + Strong foundational knowledge in programming languages such as **Python, C++, or Java** . + Familiarity with development tools such as **Visual Studio, Git, Eclipse** , or similar IDEs. + Experience with data structures, algorithms, and software design principles. + Demonstrated problem-solving and analytical skills. + Ability to work both independently and collaboratively in a team environment. + Effective written and verbal communication skills. **Preferred Qualifications & Competencies** + Experience with software development on Linux, Windows, or cross-platform environments. + Exposure to web technologies, cloud platforms, or backend services is a plus. + Interest in or exposure to robotics, autonomous systems, or data analytics. + Experience using scripting languages (e.g., Bash, Python) to automate tasks. + Knowledge of Agile development practices and version control (e.g., Git). + Curiosity and willingness to learn new technologies and frameworks. + Ability to take ownership of tasks and contribute to team goals. **Physical Demands** + Ability to work in an office and R&D lab environment (Constant) + Required to sit, type, and use office equipment for extended periods (Frequent) **ITAR Requirement:** _T_ _his position requires access to information that is subject to compliance with the International Traffic Arms Regulations ("ITAR") and/or the Export Administration Regulations ("EAR"). In order to comply with the requirements of the ITAR and/or the EAR, applicants must qualify as a U.S. person under the ITAR and the EAR, or a person to be approved for an export license by the governing agency whose technology comes under its jurisdiction. Please understand that any job offer that requires approval of an export license will be conditional on AeroVironment's determination that it will be able to obtain an export license in a time frame consistent with AeroVironment's business requirements. A "U.S. person" according to the ITAR definition is a U.S. citizen, U.S. lawful permanent resident (green card holder), or protected individual such as a refugee or asylee. See 22 CFR § 120.15. Some positions will require current U.S. Citizenship due to contract requirements._ **Benefits** : AV offers an excellent benefits package including medical, dental vision, 401K with company matching, a 9/80 work schedule and a paid holiday shutdown. For more information about our company benefit offerings please visit: ********************************* . We also encourage you to review our company website at ******************** to learn more about us. Principals only need apply. NO agencies please. **Who We Are** Based in California, AeroVironment (AVAV) is a global leader in unmanned aircraft systems (UAS) and tactical missile systems. Founded in 1971 by celebrated physicist and engineer, Dr. Paul MacCready, we've been at the leading edge of technical innovation for more than 45 years. Be a part of the team that developed the world's most widely used military drones and created the first submarine-launched reconnaissance drone, and has seven innovative vehicles that are part of the Smithsonian Institution's permanent collection in Washington, DC. Join us today in developing the next generation of small UAS and tactical missile systems that will deliver more actionable intelligence to our customers so they can proceed with certainty - and succeed. **What We Do** Building on a history of technological innovation, AeroVironment designs, develops, produces, and supports an advanced portfolio of unmanned aircraft systems (UAS) and tactical missile systems. Agencies of the U.S. Department of Defense and allied military services use the company's hand-launched UAS to provide situational awareness to tactical operating units through real-time, airborne reconnaissance, surveillance, and target acquisition. _We are proud to be an EEO/AA Equal Opportunity Employer, including disability/veterans. AeroVironment, Inc. is an Equal Employment Opportunity (EEO) employer and welcomes all qualified applicants. Qualified applicants will receive fair and impartial consideration without regard to race, sex, color, religion, national origin, age, disability, protected veteran status, genetic data, sexual orientation, gender identity or other legally protected status._ **ITAR** **About AV:** **AV isn't for everyone. We hire the curious, the relentless, the mission-obsessed. The best of the best.** We don't just build defense technology-we redefine what's possible. As the premier autonomous systems company in the U.S., AV delivers breakthrough capabilities across air, land, sea, space, and cyber. From AI-powered drones and loitering munitions to integrated autonomy and space resilience, our technologies shape the future of warfare and protect those who serve. Founded by legendary innovator Dr. Paul MacCready, AV has spent over 50 years pushing the boundaries of what unmanned systems can do. Our heritage includes seven platforms in the Smithsonian-but we're not building history, we're building what's next. **If you're ready to build technology that matters-with speed, scale, and purpose-there's no better place to do it than AV.** **Careers at AeroVironment (*****************************************
    $42k-61k yearly est. 60d+ ago
  • Senior Principal Software Interface Lead

    Northrop Grumman 4.7company rating

    Principal software engineer job in Jessup, MD

    At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history. Northrop Grumman Microelectronics Center (NGMC) (****************************************************************************** is seeking a **Senior Principal Software Interface Lead.** **What You'll Get to Do:** Program/System Level role, part of Chief Architect Team within Directorate of Engineering. + Identify and document System level interfaces, characteristics, and stakeholders. + Perform interface requirements analysis to ensure descriptions are complete and ICD and IDD documentation reflects consensus of design teams. + Interfaces between the segments of this highly-complex systemthat includes mature and emerging technologies. **This position will serve on-site in the greater Baltimore, MD area.** **This position is contingent upon acquiring and maintaining the necessary US Government security clearance per customers' requirements.** **Basic Qualifications for Senior Principal SW Interface Lead:** - Bachelor's degree in a Science, Technology, Engineering or Mathematics (STEM) discipline from an accredited university and 8 years of experience with Bachelor's degree, 6 years of experience with Master's degree, 4 years of experience with PhD - Demonstrated experience developing and managing physical, hardware, and software interfaces, specifical low-level protocols and API-based interfaces - Demonstrated experience developing and managing data interfaces - Experience developing and maintaining IDDs and ICDs, engaging and negotiating with internal and external stakeholders - Excellent written and oral communication skills - Must have a strong understanding of Systems Engineering fundamentals through all SE phases - Familiarity with model based engineering (SysML) - This position requires the applicant to be a U.S. citizen - Current active DoD Secret Clearance with the ability to obtain and maintain a TS/SCI w. Polygraph prior to start. **Preferred Qualifications for Senior Principal SW Interface Lead:** - Current active DoD TS/SCI with Polygraph clearance - STEM degree in Electrical Engineering, Computer Engineering, or Mechanical Engineering Experience and familiarity with some combination of: - Infrastructure tools: Docker, Kubernetes, Cypress, Doxygen, Jupyter Notebooks, Visual Studio, Python, Node.js - Familiarity with Project & Task Management tools: Jira or Confluence - Experience with MBSE Tools such as Cameo - Demonstrated experience with Systems Development Lifecycle and successful execution of major engineering reviews and events - Multi-Disciplinary Engineering exposure (Software, Hardware, Electrical) and strong ability to communicate cross functionally Primary Level Salary Range: $137,400.00 - $206,000.00 The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business. The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit *********************************** U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.
    $137.4k-206k yearly 17d ago
  • Software Engineer Full Stack & Application Development I (Intern) - United States

    Cisco 4.8company rating

    Principal software engineer job in Fulton, MD

    Please note this posting is to advertise potential job opportunities. This exact role may not be open today but could open in the near future. When you apply, a Cisco representative may contact you directly if a relevant position opens. Applications are accepted until further notice. **Meet the Team** Join Cisco's innovative engineering community, where you'll have the opportunity to collaborate with teams across Cisco IT, CPX (Customer & Partner Experience), Supply Chain, and Workplace Technology. You'll work alongside hardworking engineers, designers, and product managers who bring ideas to life and transform how the world connects, communicates, and collaborates. Our teams value creativity, continuous learning, and a culture of inclusion as we build the next generation of industry-leading products and platforms! **Your Impact** As a Software Engineer at Cisco, you will design and build software solutions that power Cisco's products and platforms. You will work end-to-end on everything from APIs and backend services to user interfaces and distributed systems. You'll solve real-world problems, ship impactful features, and help shape the future of connectivity and technology. **Minimum Qualifications** + Currently enrolled in a certification program (e.g., Boot Camp, Apprenticeship, Community College), or currently enrolled in an undergraduate degree program. Proficiency in at least one backend language (Python, C++, or Java) and familiarity with JavaScript/TypeScript for frontend development + Experience with API development (REST, GraphQL, or gRPC) + Understanding of data structures, object-oriented programming, and SQL/NoSQL databases + Familiarity with cloud platforms (AWS, Azure, GCP, or Cisco Cloud) **Preferred Qualifications** + Experience with Docker or Kubernetes (containerization/orchestration) + Familiarity with Infrastructure as Code tools (Terraform, Ansible, or CloudFormation) + Exposure to CI/CD tools (GitHub Actions, Jenkins, CircleCI) + Experience with monitoring platforms (Grafana, Prometheus, Splunk) + Knowledge of UI frameworks (React, Angular, Vue) for full-stack pathways ProductIntern26 **Why Cisco?** At Cisco, we're revolutionizing how data and infrastructure connect and protect organizations in the AI era - and beyond. We've been innovating fearlessly for 40 years to create solutions that power how humans and technology work together across the physical and digital worlds. These solutions provide customers with unparalleled security, visibility, and insights across the entire digital footprint. Fueled by the depth and breadth of our technology, we experiment and create meaningful solutions. Add to that our worldwide network of doers and experts, and you'll see that the opportunities to grow and build are limitless. We work as a team, collaborating with empathy to make really big things happen on a global scale. Because our solutions are everywhere, our impact is everywhere. We are Cisco, and our power starts with you. **Message to applicants applying to work in the U.S. and/or Canada:** Individual pay is determined by the candidate's hiring location, market conditions, job-related skillset, experience, qualifications, education, certifications, and/or training. The full salary range for certain locations is listed below. For locations not listed below, the recruiter can share more details about compensation for the role in your location during the hiring process. U.S. employees are offered benefits, subject to Cisco's plan eligibility rules, which include medical, dental and vision insurance, a 401(k) plan with a Cisco matching contribution, paid parental leave, short and long-term disability coverage, and basic life insurance. Please see the Cisco careers site to discover more benefits and perks. Employees may be eligible to receive grants of Cisco restricted stock units, which vest following continued employment with Cisco for defined periods of time. U.S. employees are eligible for paid time away as described below, subject to Cisco's policies: + 10 paid holidays per full calendar year, plus 1 floating holiday for non-exempt employees + 1 paid day off for employee's birthday, paid year-end holiday shutdown, and 4 paid days off for personal wellness determined by Cisco + Non-exempt employees** receive 16 days of paid vacation time per full calendar year, accrued at rate of 4.92 hours per pay period for full-time employees + Exempt employees participate in Cisco's flexible vacation time off program, which has no defined limit on how much vacation time eligible employees may use (subject to availability and some business limitations) + 80 hours of sick time off provided on hire date and each January 1st thereafter, and up to 80 hours of unused sick time carried forward from one calendar year to the next + Additional paid time away may be requested to deal with critical or emergency issues for family members + Optional 10 paid days per full calendar year to volunteer For non-sales roles, employees are also eligible to earn annual bonuses subject to Cisco's policies. Employees on sales plans earn performance-based incentive pay on top of their base salary, which is split between quota and non-quota components, subject to the applicable Cisco plan. For quota-based incentive pay, Cisco typically pays as follows: + .75% of incentive target for each 1% of revenue attainment up to 50% of quota; + 1.5% of incentive target for each 1% of attainment between 50% and 75%; + 1% of incentive target for each 1% of attainment between 75% and 100%; and + Once performance exceeds 100% attainment, incentive rates are at or above 1% for each 1% of attainment with no cap on incentive compensation. For non-quota-based sales performance elements such as strategic sales objectives, Cisco may pay 0% up to 125% of target. Cisco sales plans do not have a minimum threshold of performance for sales incentive compensation to be paid. The applicable full salary ranges for this position, by specific state, are listed below: New York City Metro Area: $44,000.00 - $185,000.00 Non-Metro New York state & Washington state: $44,000.00 - $185,000.00 * For quota-based sales roles on Cisco's sales plan, the ranges provided in this posting include base pay and sales target incentive compensation combined. ** Employees in Illinois, whether exempt or non-exempt, will participate in a unique time off program to meet local requirements. Cisco is an Affirmative Action and Equal Opportunity Employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, gender, sexual orientation, national origin, genetic information, age, disability, veteran status, or any other legally protected basis. Cisco will consider for employment, on a case by case basis, qualified applicants with arrest and conviction records.
    $44k-185k yearly 16d ago
  • Software Development Engineer, Azure VDI Engineer (US Federal)

    Workday 4.8company rating

    Principal software engineer job in McLean, VA

    Your work days are brighter here. We're obsessed with making hard work pay off, for our people, our customers, and the world around us. As a Fortune 500 company and a leading AI platform for managing people, money, and agents, we're shaping the future of work so teams can reach their potential and focus on what matters most. The minute you join, you'll feel it. Not just in the products we build, but in how we show up for each other. Our culture is rooted in integrity, empathy, and shared enthusiasm. We're in this together, tackling big challenges with bold ideas and genuine care. We look for curious minds and courageous collaborators who bring sun-drenched optimism and drive. Whether you're building smarter solutions, supporting customers, or creating a space where everyone belongs, you'll do meaningful work with Workmates who've got your back. In return, we'll give you the trust to take risks, the tools to grow, the skills to develop and the support of a company invested in you for the long haul. So, if you want to inspire a brighter work day for everyone, including yourself, you've found a match in Workday, and we hope to be a match for you too. About the Team The Workday Continuous Verification team is looking for a highly motivated Software Development Engineer with DevOps experience to join our 24/7 operations team. In this role, you will be responsible for the day‑to‑day operation, maintenance, and security monitoring of our critically meaningful, IL5‑compliant Azure VDI environment in support of a new Workday region. This is a hands‑on operational role. You will ensure the platform's health, security, and compliance with a strong focus on Identity and Access Management (IAM) and Microsoft Entra Conditional Access. Note: This role does not design architecture; it operates and secures an existing high‑security environment. About the Role This role will support one or more direct or indirect contracts with the U.S. Federal Government which, due to federal government security requirements, mandates that all Workday personnel working on the contracts be United States citizens (naturalized or native). Identity & Access Management (IAM) Coordinate and manage Microsoft Entra ID Governance features, including Access Packages and Microsoft 365 Groups, to govern user access lifecycle. Monitor and troubleshoot automated Workday → Microsoft Entra ID user provisioning. Support user onboarding, including issuing Temporary Access Passes (TAP) and assisting with MFA registration (Passkeys, Microsoft Authenticator). VDI Operations & Maintenance Perform monthly patching and security updates for Windows 365 custom golden images. Lead VDI endpoints using Microsoft Intune (compliance, configuration, baselines). Provide Tier 2/3 technical support for VDI-related issues. Maintain operational health of VDI pools. Security Operations & Compliance Serve as a key member of the 24/7 incident response team, monitoring alerts from: Microsoft Sentinel, Microsoft Defender for Endpoint, and Microsoft Defender for Cloud Apps Maintain continuous STIG compliance for all VDI endpoints. Apply security updates to golden images and monitor for deviations using Azure Policy. Participate in Eviction protocols, including rapid rotation of all credentials, keys, and secrets. Manage pool‑specific access controls to segregate user populations (Engineering vs. Efficiency). Conditional Access & Security Policy Manage, review, and fine‑tune all Microsoft Entra Conditional Access policies. Implement policies for: US‑only access, VPN‑only connections from named locations and device compliance integration with Intune About You Required Qualifications & Experience Experience operating systems in high‑security supervised environments (DoD IL4/IL5, FedRAMP High, GCC‑High). Deep hands‑on expertise with Microsoft Entra ID, including: Conditional Access (building/testing/maintaining complex policies) Identity Governance (Access Packages, Access Reviews) MFA configurations including Passkeys and TAP Experience with cloud-native security tools: Microsoft Sentinel (monitoring & analytics) Microsoft Defender for Endpoint (VDI security) Strong experience managing Windows endpoints via Microsoft Intune. Familiarity with applying/monitoring DISA STIG baselines. Experience with on‑call rotations and formal incident response plans. This role may require a security clearance at the TS/SCI w/CI Poly level. Applicants must have the ability to obtain and maintain a U.S. government issued security clearance. An active TS/SCI w/CI Poly is preferred. Preferred Qualifications Experience with Windows 365 Government or Azure Virtual Desktop (AVD). Experience with Defender for Cloud Apps (MCAS) and Microsoft Purview (DLP). Familiarity with Azure networking (VNet, NSGs, Azure Firewall) and hybrid connectivity (VPN, ExpressRoute). Expertise in designing, implementing, and analyzing algorithms to solve complex problems, optimize business processes, improve data analysis, and enhance decision-making strategies. Proficient in the entire software lifecycle (conception, design, programming, testing, and maintenance), applying knowledge of programming languages, data structures, and system build to deliver custom solutions and ensure software performance and security. Experienced in tracking and managing code changes using SCM tools, including version and branch management, and conflict resolution. Able to streamline the development process and maintain codebase integrity, ensuring accurate documentation and reversibility of changes. Capable of encouraging a positive and inclusive team environment to improve team efficiency, facilitate effective decision-making, and assist with project management. Workday Pay Transparency Statement The annualized base salary ranges for the primary location and any additional locations are listed below. Workday pay ranges vary based on work location. As a part of the total compensation package, this role may be eligible for the Workday Bonus Plan or a role-specific commission/bonus, as well as annual refresh stock grants. Recruiters can share more detail during the hiring process. Each candidate's compensation offer will be based on multiple factors including, but not limited to, geography, experience, skills, job duties, and business need, among other things. For more information regarding Workday's comprehensive benefits, please click here. Primary Location: USA.VA.McLean (Tyson's Corner) Primary Location Base Pay Range: $135,200 USD - $202,900 USD Additional US Location(s) Base Pay Range: $122,400 USD - $217,200 USD Our Approach to Flexible Work With Flex Work, we're combining the best of both worlds: in-person time and remote. Our approach enables our teams to deepen connections, maintain a strong community, and do their best work. We know that flexibility can take shape in many ways, so rather than a number of required days in-office each week, we simply spend at least half (50%) of our time each quarter in the office or in the field with our customers, prospects, and partners (depending on role). This means you'll have the freedom to create a flexible schedule that caters to your business, team, and personal needs, while being intentional to make the most of time spent together. Those in our remote "home office" roles also have the opportunity to come together in our offices for important moments that matter. Pursuant to applicable Fair Chance law, Workday will consider for employment qualified applicants with arrest and conviction records. Workday is an Equal Opportunity Employer including individuals with disabilities and protected veterans. Are you being referred to one of our roles? If so, ask your connection at Workday about our Employee Referral process! At Workday, we value our candidates' privacy and data security. Workday will never ask candidates to apply to jobs through websites that are not Workday Careers. Please be aware of sites that may ask for you to input your data in connection with a job posting that appears to be from Workday but is not. In addition, Workday will never ask candidates to pay a recruiting fee, or pay for consulting or coaching services, in order to apply for a job at Workday.
    $122.4k-217.2k yearly Auto-Apply 11d ago
  • Iridium Software Engineering Internship - Summer 2026 (Virginia)

    Iridium Satellite LLC

    Principal software engineer job in Leesburg, VA

    Iridium is an award-winning and innovative satellite communications company with bragging rights to the only network that offers voice and data connectivity anywhere in the world. For over 20 years, Iridium's unique network and services have supported critical communications needs for individuals, businesses, and the evolving Internet of Things. At Iridium, we understand the importance of staying connected and the limitations of traditional communications networks. People across the globe, including first responders, humanitarians, global militaries, scientific researchers, and lone workers, as well as ships, aircraft and remote operations all rely on Iridium to stay connected. We take our responsibility for providing these essential communications very seriously and pride ourselves on offering a reliable lifeline when needed. Likewise, Iridium is committed to providing an exciting and innovative workplace, where employees are challenged to think outside the box and collaborate on new, bold ideas and solutions. Our talented teams are passionate about their work and the impact our company makes around the world. Iridium fosters an empowering and inclusive culture that allows employees to genuinely be their best selves. We are looking for others who want to join this truly unique company that celebrates our employees and provides the opportunity to truly make a difference in the world. What We're Looking For: The Iridium Internship Program provides students the opportunity to support teams driving the future of satellite communications. Interns in Software Engineering gain hands-on experience developing, testing, and deploying software that powers Iridium's satellite network, ground systems, and global products and services. You'll collaborate with engineers and technical staff to design tools, automate processes, and build applications that enhance performance, reliability, and efficiency across Iridium's network and connected products and solutions. As an Intern, you'll begin making an impact on real projects from day one! Come prepared to grow, develop, and learn alongside a team and the leaders of our company. The Iridium Internship program is a 12-week program that runs from May 18,2026 to August 7,2026. What You'll Do: Projects are aligned with your academic background, technical interests, and the needs of our teams, and may include: * Developing new software features and services, and maintaining or enhancing existing applications and libraries * Assisting with architecture, design, coding, testing, and documentation within an Agile/Scrum team * Participating in daily stand-ups, sprint planning, backlog refinement, and sprint reviews * Gathering requirements and collaborating with stakeholders to design effective solutions * Ensuring software meets quality standards through unit and integration testing * Maintaining and extending key applications, including GUI frameworks, web applications, and Python/C++ utilities for data management and analysis * Developing scripts, simulators, or software tools using Python, Java, or C to support testing and analysis * Assisting with simulation, emulation, and verifying performance across Iridium satellite devices and transceivers * Participating in code reviews and contributing to automation frameworks for Iridium services and devices * Developing scalable, high-performance software and leveraging open-source solutions where appropriate Skill You'll Gain: * Hands-on experience developing software that supports Iridium's satellite communications system and services * Knowledge of object-oriented programming and the full software development lifecycle * Exposure to RF design, simulation, and evaluation processes * Experience collaborating with team members to implement, build, verify, and troubleshoot software * Exposure to modern development tools and workflows, including Jira, GitLab, and Confluence * Understanding and application of software engineering best practices to create reliable, maintainable code * Understanding how products and services are conceptualized, evaluated, and transitioned into operational functionality * Participation in an Agile/Scrum development team working with Python, C, C++, and Java What You'll Need to Succeed: * Interest in software development, product development, and a strong foundation in software engineering concepts, including object-oriented programming, data structures, and algorithms * Strong work ethic, positive attitude, and professional demeanor * Excellent verbal and written communication skills * Ability to work independently and collaboratively in a team * Attention to detail and commitment to high-quality results Things You Must Bring to the Table: * Must be at least 18 years of age * Currently enrolled in a bachelor's or graduate degree program at an accredited academic institution * Software Engineering, Computer Science, Information Technology, or Data Science/Applied Mathematics preferred * U.S. citizenship required * Must be able to work in person at an Iridium location Work Environment: This position primarily works in an office setting and is largely sedentary with the majority of the position working with a computer. The role typically requires the use of basic office equipment such as a phone, video, computer, keyboard, mouse, and printer. Iridium is an Equal Opportunity Employer, including individuals with disabilities and protected veterans.
    $37k-68k yearly est. Auto-Apply 3d ago
  • Software Engineer Intern, DevOps

    Sedaro

    Principal software engineer job in Arlington, VA

    Job DescriptionSalary: $35-40 / hour Sedaro is hiring a Software Engineer Intern to contribute to our culture of operational excellence. In this role, you will own meaningful projects that enhance our Kubernetes-based multi-cloud platform, working alongside senior engineers to build foundational infrastructure that enables our entire engineering organization. Team: DevOps Enablement, reporting to the Director of Engineering Location: In person in Arlington, VA U.S. Citizen or permanent resident status required Who We Are Our cloud-native simulation platform enables digital mission engineering through distributed, scalable, faster than real-time analyses across hundreds of interacting systems. We use CI/CD, Docker, Terraform, and Kubernetes to achieve high availability, security, and autoscaling across cloud providers. Join us and develop expertise in cloud native software engineering while delivering cutting-edge capabilities to support the design and operation of next generation aerospace systems. Who You Are You see beauty in well-architected systems and elegant automation You take ownership of technical challenges and thrive with minimal supervision You thrill in equipping your teammates with force-multiplying tools and practices Youre energized by deep learning and sharing knowledge across disciplines WhatYoull Do Contribute to multi-cloud production infrastructure optimization, working directly with Kubernetes environments that support real aerospace simulation workloads Improve system observability with actionable alerting and measurable SLOs, gaining hands-on experience with modern DevOps tools at scale Develop automation through infrastructure as code, CI/CD, and continuous compliance practices Collaborate with senior engineers on a small, high-caliber team that iterates quickly Participate in our continuous learning programs and meet engineers from around the company Benefits Flexible work schedule with core hours Company provided lunches 3 days a week Industry-leading career development opportunities Requirements Currently pursuing a bachelors or masters degree in computer science, related field, or equivalent demonstrated experience Strong programming fundamentals in at least one language Understanding of cloud computing concepts and containerization Experience with automated testing Familiarity with CI/CD and infrastructure as code
    $35-40 hourly 21d ago
  • Summer 2026 Internship in Software Engineering - TS/SCI clearance required

    Expedition Technology

    Principal software engineer job in Herndon, VA

    Job Description Are you enthusiastic about technology and eager to make an impact in the defense sector? Join us as a Software Engineering Intern for the summer of 2026 and gain practical experience with state-of-the-art technologies that safeguard our nation. At Expedition Technology (EXP), you'll have the chance to work on significant projects that enhance national security, collaborate with seasoned professionals, hone your skills, and contribute to solving real-world challenges. If you're excited about a dynamic and fulfilling internship where you'll be part of the action, apply now to be part of a team addressing the issues of tomorrow! What will you do as a summer intern at EXP? Learn & Develop: You'll delve into a real-world Agile software development environment where you will utilize tools such as Python, React, Docker, and Git to create forward leaning solutions Implement: You'll develop solutions to support our work in web development, machine learning and signal processing Collaborate: You'll engage with your team and other domain experts to design new features, prioritize work, and mitigate risks Additional details: Location: On-site at Expedition Technology's headquarters in Herndon, VA Duration: Full-time (40 hours/week), Summer of 2026 Compensation: $33.50/hr. Is this the right internship for you? To be qualified for an internship position you should have the following qualifications: Must hold an ACTIVE Top Secret/SCI (TS/SCI) US government issued security clearance United States citizenship is required for security clearance purposes Must be a currently enrolled student who is pursuing a college degree in computer science, electrical engineering, math, physics, or other STEM-related field Must be entering your final year of an undergraduate or graduate program with an anticipated graduation date of December 2026 or May 2027 Have proficiency in modern programming languages (Python preferred) Be familiar with command line and version control (Git) experience Demonstrate interest in software engineering (courses, clubs, projects, etc.) Interest in working in defense and/or intelligence related careers post-graduation Must be willing to undergo background investigation process for a US-government issued security clearance What's it like being a summer intern at Expedition Technology? Get a first-hand perspective from our 2025 summer intern team by reading this blog post. Still hungry for more information? Read about our work, our culture and our accolades on our website and LinkedIn. About Expedition Technology (EXP) Positioned in Northern Virginia's tech hub, EXP is an innovative engineering company that crafts advanced solutions for the defense and intelligence sectors. We champion innovation, promote individual growth, and thrive on collaboration. We're committed to embracing diversity: At EXP, we believe in the power of diverse minds. All applicants will be considered without bias. We're an Equal Opportunity Employer that cherishes creativity sparked by varied backgrounds. Who is Expedition Technology? Expedition Technology (EXP) designs, develops, and delivers innovative, advanced signal, image, and multi-INT solutions for the defense and intelligence communities. We leverage advanced algorithms, platforms, and technologies to solve our customers' most complex, demanding, and urgent C4ISR challenges. Our culture promotes individual growth and opportunity, prioritizes a collaborative team spirit, and invites the intellectually curious to creatively solve challenging problems. Headquartered in Northern Virginia's high-tech corridor, EXP is a rapidly growing, privately held, employee-owned company that pushes the boundaries of what is possible every day. Interested in joining our team? Let's explore together. To learn more about EXP and discover why we are an award-winning workplace, visit our web site and follow us on LinkedIn. Join Our Team and Enjoy Exceptional Benefits! Expedition Technology (EXP) offers a flexible, self-directed benefits package that is designed to fit your individual needs. Here's a glimpse of the outstanding benefits you can enjoy when you join our team: Company-paid medical, dental, and vision insurance Generous Time Off: Enjoy 12 paid holidays, up to 33 days of PTO, and generous sick leave Robust 401(k) Plan: Benefit from up to a 12% company contribution, including a 3% safe harbor, 6% match, and up to 3% additional as a form of profit sharing. Student Loan Repayment: Take advantage of our unique option to reallocate a portion of your 401(k) match funds to repay student loans, helping you achieve financial freedom faster. Paid Parental Leave: Six weeks of paid leave for the primary caregiver and 2 weeks of paid leave for the secondary caregiver for you to bond with your new family member. Tuition Reimbursement: Pursue further education with up to $5,250/year available to support your continuous learning and growth. Referral Bonus Program: Earn rewards for bringing talented individuals into our team. Exclusive Entertainment Perks: Enjoy free tickets to sporting events, theater, concerts, and more, adding fun and excitement to your life. Onsite Amenities: Stay fit and healthy with our free, onsite fitness center, active workstations featuring treadmill and bike desks, and enjoy our onsite cafeteria with reduced-cost options. Inspiring Work Culture: Thrive in a collaborative, creative, and supportive culture where you are encouraged to push boundaries, take risks, and enjoy the rewards. Join us and be part of a team that values your well-being and professional growth. Apply today and take the first step towards a fulfilling career with us! EXP is proud to be an Equal Opportunity Employer that believes a diverse range of talent creates an environment that fosters creativity and innovation . All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, age, disability, national origin, genetic information, or protected veteran status.
    $33.5 hourly 10d ago
  • Software Engineer Intern - 2026

    Nightwing

    Principal software engineer job in Sterling, VA

    Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in the intelligence community, defense, civil, and commercial markets. **Nightwing is seeking a motivated Software Engineer Intern to join our dynamic engineering team in Spring and Summers of 2026. This is an excellent opportunity to gain hands-on experience in all phases of the software development lifecycle, working on real-world projects with guidance from experienced engineers. You will have the chance to contribute to production code, learn modern development practices, and work in a collaborative environment.** **Responsibilities:** **Assist in the design, development, testing, and maintenance of software applications.** **Write clean, scalable, and efficient code under the guidance of senior engineers.** **Debug and troubleshoot issues in existing software.** **Participate in code reviews, design discussions, and pair programming sessions.** **Collaborate with cross-functional teams, including product management, QA, and other engineers.** **Contribute to technical documentation and user guides.** **Conduct performance testing and debugging.** **Learn and implement software engineering best practices and standards.** **Stay up-to-date with the latest industry trends and technologies.** **Qualifications:** **Currently pursuing a Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field.** **Strong foundation in at least one programming language such as Java, Python, C++, or JavaScript.** **Basic understanding of software development principles and data structures.** **Familiarity with version control systems like Git is a plus.** **Strong analytical and problem-solving skills.** **Excellent verbal and written communication skills.** **Ability to work effectively in a team-oriented environment.** _At Nightwing, we value collaboration and teamwork. You'll have the opportunity to work alongside talented individuals who are passionate about what they do. Together, we'll leverage our collective expertise to drive innovation, solve complex problems, and deliver exceptional results for our clients._ _Thank you for considering joining us as we embark on this new journey and shape the future of cybersecurity and intelligence together as part of the Nightwing team._ _Nightwing is An Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class._
    $37k-68k yearly est. 2d ago
  • Software Engineer Intern - 2026

    Nightwing Intelligence Solutions

    Principal software engineer job in Sterling, VA

    Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in the intelligence community, defense, civil, and commercial markets. Nightwing is seeking a motivated Software Engineer Intern to join our dynamic engineering team in Spring and Summers of 2026. This is an excellent opportunity to gain hands-on experience in all phases of the software development lifecycle, working on real-world projects with guidance from experienced engineers. You will have the chance to contribute to production code, learn modern development practices, and work in a collaborative environment. Responsibilities: Assist in the design, development, testing, and maintenance of software applications. Write clean, scalable, and efficient code under the guidance of senior engineers. Debug and troubleshoot issues in existing software. Participate in code reviews, design discussions, and pair programming sessions. Collaborate with cross-functional teams, including product management, QA, and other engineers. Contribute to technical documentation and user guides. Conduct performance testing and debugging. Learn and implement software engineering best practices and standards. Stay up-to-date with the latest industry trends and technologies. Qualifications: Currently pursuing a Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field. Strong foundation in at least one programming language such as Java, Python, C++, or JavaScript. Basic understanding of software development principles and data structures. Familiarity with version control systems like Git is a plus. Strong analytical and problem-solving skills. Excellent verbal and written communication skills. Ability to work effectively in a team-oriented environment. At Nightwing, we value collaboration and teamwork. You'll have the opportunity to work alongside talented individuals who are passionate about what they do. Together, we'll leverage our collective expertise to drive innovation, solve complex problems, and deliver exceptional results for our clients. Thank you for considering joining us as we embark on this new journey and shape the future of cybersecurity and intelligence together as part of the Nightwing team. Nightwing is An Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class.
    $37k-68k yearly est. Auto-Apply 10d ago
  • Software Engineer Intern

    Atpco

    Principal software engineer job in Herndon, VA

    ATPCO is the world's primary source for air fare content, holding over 200 million fares across 160 countries. Every day, the travel industry relies on ATPCO's technology and data solutions to help millions of travelers reach their destinations efficiently. Join us and contribute to the development of innovative applications that power global travel. ATPCO is everywhere people buy flights. We're not just shaping the future of air travel- we're redefining how and where great work happens. At ATPCO, we believe in flexibility, trust, and a culture where your wellbeing comes first Our Culture: We've built a remote-first culture rooted in trust, transparency, and belonging. With open-door leadership, weekly 1:1s, and real-time recognition, we keep our people connected and valued-no matter where they work. Our cultural pillars of Collaboration, Empowerment, Innovation, Learning, Transparency, and Trust guide how we show up for one another and grow together. Job Description As a Software Engineer Intern, you will work within a dynamic development team, contributing to the design and implementation of new applications, while also supporting and enhancing existing systems. This internship offers a hands-on opportunity to participate in the agile development process and gain exposure to state-of-the-art technologies, including Rust, Java, Python, and AWS. Responsibilities: Actively participate in the design, development, and testing of scalable and efficient applications using technologies like Rust, Go, Python, Java, and AWS. Write clean, maintainable, and well-documented code, focusing on optimization and performance improvements. Conduct code reviews to learn best practices and provide constructive feedback. Apply algorithms and data structures to solve real-world engineering challenges. Assist with debugging, profiling, and troubleshooting to improve system reliability and identify bottlenecks. Write and maintain unit and integration tests to ensure application quality. Developing observability metrics and dashboards to monitor team services. Participate in agile processes such as standups, sprint planning, and retrospectives. Showcase your work and present progress to team members and leadership. Demonstrate curiosity and a willingness to learn and experiment with emerging technologies. Ideal Candidate: Currently pursuing a degree in Computer Science, Computer Engineering, Mathematics, or a related field. Experience in building web applications. Strong understanding of algorithms and mathematics. Excellent problem-solving and analytical skills. Insatiable curiosity and eagerness to learn. Ability to explain concepts clearly and effectively using whiteboarding or similar methods. Why Join Us? Opportunity to work with cutting-edge technologies and innovative solutions. Gain practical experience in agile development processes. Collaborate with a talented team of engineers and learn from industry leaders. Contribute to impactful projects that influence global travel systems. Additional Information At ATPCO, we are deeply committed to diversity, equity, and inclusion. Our supportive policies promote work-life balance through flexible work arrangements, and we cultivate a workplace where every employee feels valued, respected, and a true sense of belonging. We consider qualified applicants for employment without regard to race, gender, age, color, religion, national origin, citizenship status, marital status, disability, sexual orientation, protected military/veteran status, gender identity or expression, genetic information, marital status, medical condition, or any other legally protected factor All your information will be kept confidential according to EEO guidelines.
    $37k-68k yearly est. 60d+ ago
  • Internship - Software Engineering Intern

    Clarity Innovations

    Principal software engineer job in Herndon, VA

    Clarity Innovations is a trusted national security partner, dedicated to safeguarding our nation's interests and delivering innovative solutions that empower the Intelligence Community (IC) and Department of Defense (DoD) to transform data into actionable intelligence, ensuring mission success in an evolving world. Our mission-first software and data engineering platform modernizes data operations, utilizing advanced workflows, CI/CD, and secure DevSecOps practices. We focus on challenges in Information Warfare, Cyber Operations, Operational Security, and Data Structuring, enabling end-to-end solutions that drive operational impact. We are committed to delivering cutting-edge tools and capabilities that address the most complex national security challenges, empowering our partners to stay ahead of emerging threats and ensuring the success of their critical missions. At Clarity, we are people-focused and set on being a destination employer for top talent, offering an environment where innovation thrives, careers grow, and individuals are valued. Join us as we continue to lead innovation and tackle the most pressing challenges in national security. Program Goals Learn: Professional growth during your internship can be exposure to the Cyber Operations domain, learning a new programming language, or perfecting a new tradecraft technique. Contribute: There is a seat at the table for every one of our interns from day one. It is our goal that by the time you leave, your fingerprint is on a true operational contribution. Have Fun: Your time in our program may be limited, but the memories will last. It is our goal that you enjoy your time here and want to come back. Hire: The road doesn't end at just the internship! Our end state is to bring on former interns full time after completing their school work. Role Our work focuses on creating software and data engineering platforms for customers throughout the DoD, IC and Federal Agency communities. We bring in students to work directly on our projects so that they can learn the basics of supporting CI/CD production and also the more complex nuances of government contracts. Responsibilities Support full time engineering teams Develop robust and high-quality software, while putting the user's requirements first Integrate and build testing into their work, and coordinate with QA engineers to ensure products meet customer expectations Required Qualifications Pursuing a BS in Computer Engineering, Computer Science, or a related field Ability to obtain and maintain a Top Secret Security Clearance Experience with Go or Python (in the classroom or from another internship) Understanding of network programming fundamentals, particularly with networking, data structures, and data models Comfortable in a high-trust, adaptable team environment Preferred Qualifications Experience with CI/CD tools (Docker, Kubernetes) Experience building microservices (REST-based or otherwise) #LI-RemoteWe are 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, disability, or veteran status.
    $37k-68k yearly est. Auto-Apply 60d+ ago
  • Software Engineer

    Collabera 4.5company rating

    Principal software engineer job in Laurel, MD

    Collabera is the largest minority-owned Information Technology (IT) staffing firm in the U.S., with more than $525 million in sales revenue and a global presence that represents approximately 10,000 professionals across North America (U.S., Canada), Asia Pacific (India, Philippines, Singapore, Malaysia) and the United Kingdom. We support our clients with a strong recruitment model and a sincere commitment to their success, which is why more than 75% of our clients rank us amongst their top three staffing suppliers. Not only are we committed to meeting and exceeding our customer's needs, but we are committed to our employees' satisfaction as well. We believe our employees are the cornerstone of our success and we make every effort to ensure their satisfaction throughout their tenure with Collabera. As a result of these efforts, we have been recognized by Staffing Industry Analysts (SIA) as the “Best Staffing Firm to Work For” for four consecutive years since 2012. With over forty offices globally and a presence in seven countries, Collabera provides staff augmentation, managed services and direct placement services to Global 2000 Corporations. Collabera is ranked amongst the top 10 IT staffing firms in the U.S., and for the past 24 years we have continued to grow rapidly year after year. For consultants and employees, Collabera offers an enriching experience that promotes career growth and lifelong learning. Visit ***************** to learn more about our latest job openings. Awards and Recognitions --Staffing Industry Analysts: Best Staffing Firm to Work For (2015, 2014, 2013, 2012) --Staffing Industry Analysts: Largest U.S. Staffing Firms (2015, 2014, 2013) --Staffing Industry Analysts: Largest Minority Owned IT Staffing Firm in the US. Job Details: Location: Laurel MD, 20723 Job Title: Software Engineer Duration: 12+ Months (Could go beyond) Job Description: Must haves · 10+ years of experience · Embedded microprocessor design experience · C/C++ · Experience writing unit tests/test plans · Code optimization experience targeted for embedded processors Nice to have · USB protocol knowledge · Familiarity with IAR IDE Additional Information To know more about this opportunity, please contact: Ujjwal Mane ************ ****************************
    $73k-99k yearly est. Easy Apply 60d+ ago
  • AI/ML Software Engineer

    Toyon Research 4.1company rating

    Principal software engineer job in Ashburn, VA

    Requirements Candidates for the AI/ML Software Engineer position should have a strong background in engineering, computer science, physics, and/or mathematics. An advanced degree (M.S./Ph.D.) or a Bachelor's degree and at least two years of industry experience are required. WE OFFER AN EXCEPTIONAL EMPLOYEE BENEFITS PACKAGE! Competitive Industry Pay 100% Employer-Paid Medical Insurance Premium HSA with Employer Contributions Dental and Vision Coverage Options Paid Holidays Paid Vacation and Sick leave Company Funded 401(k) and Profit Sharing Plans Employee Stock Ownership Plan (ESOP) Life and Disability Insurance Paid Parental Leave Discretionary Bonus Eligibility The annual pay range for the AI/ML Software Engineer position is $110,000 to $190,000. The posted pay range values provide the candidate with guidance on annual base compensation for the position, at a full time level of effort, exclusive of overtime, bonus, and benefits-related compensation, over a range of qualifications that may fit hiring objectives. Toyon Research Corporation will consider the individual candidate's education, work experience, applicable knowledge, skills and training, among other factors, when preparing an offer of employment. Pay Transparency Nondiscrimination Provision Equal Opportunity Employer including Disability and Veterans Applicant Privacy Notice Learn more about our company in our latest video, We are Toyon. Ref #2609-C
    $110k-190k yearly 47d ago
  • Software Engineering Intern

    Lynk 3.9company rating

    Principal software engineer job in Chantilly, VA

    Lynk is the inventor of satellite direct to device or D2D technology, and has the world's only commercial license from the FCC to operate a commercial D2D system. Today, Lynk allows mobile network operators' subscribers to send and receive text messages to and from space via standard unmodified, mobile devices. Lynk's service has been tested and proven on all seven continents, has regulatory approvals in more than 30 countries and is currently being deployed commercially based on more than 40 MNO commercial service contracts covering approximately 50 countries. Our technology will enable all 8 billion people on the planet to stay connected with the existing standard phone in their pocket. Everywhere. No matter what. By joining Lynk, you will have the opportunity to directly touch the lives of billions. Your mission will be to bring mobile broadband to billions, pull hundreds of millions out of poverty, and save countless lives. Join US to Help Connect the World! We are hiring Software Engineer Interns with a BS, Masters, or PhD across the following disciplines... computer science, computer engineering and other STEM related fields. If you have a particular focus in telecommunications, software defined radio, robotics, and/or space systems, we'd love to hear from you! Internships At Lynk, there are a variety of opportunities available. Software Engineering Intern positions are available to students who are enrolled in a bachelor's or graduate-level degree in Computer Engineering, Computer Science or another relevant STEM-field. You will be responsible for working both autonomously and collaboratively working on actual space and telecommunications/software/hardware development projects. Since Lynk is responsible for the design, build, test, and operation of satellites through the full life cycle, intern engineers will be exposed to every phase of what is involved in getting satellites on orbit and flying them. We seek multidisciplinary technical talent to support the design and testing of more than just one of our spacecraft systems including Mechanical, Electrical, Communications, Flight Control, Command & Data Handling, and Flight Software, etc. Qualifications The qualifications for Lynk Interns are Enrolled in at least a bachelor's degree or Masters or PhD in a STEM-related program. Strong interpersonal skills and ability to work effectively in a team environment, accomplishing tasks with limited resources at a rapid pace. Growing skill level using Windows and Linux OS, and proficiency with some other technical software package or programming. Project experience with lab research, engineering project teams, or prior relevant internship or work. Job Location Washington, DC area
    $37k-61k yearly est. Auto-Apply 60d+ ago
  • SDET

    Us Tech Solutions 4.4company rating

    Principal software engineer job in Reston, VA

    Software Development Engineer in Test (SDET) will be responsible for designing, developing, and maintaining automated test frameworks and tools to ensure the quality and reliability of software products. This role bridges the gap between development and testing by applying software engineering principles to test automation and quality assurance processes. **Skills:** · Develop and maintain robust, scalable, and efficient automated test suites for API-based applications. · Collaborate with developers, QA engineers, and product managers to understand requirements and translate them into test plans and test cases. · Integrate automated tests into CI/CD pipelines to support continuous testing and deployment. · Contribute to the design and implementation of test strategies, frameworks, and tools. · Monitor and report on test coverage, performance, and reliability metrics. · Proficient in using SonarQube for static code analysis and quality assurance. · Experienced in integrating SonarQube with CI/CD pipelines (GitLab CI), customizing quality gates, and generating actionable reports on code smells, bugs, and vulnerabilities. **Experience:** · 4+ years of experience in software testing and test automation. · Proficiency in Python, Java and JS · Experience with test automation tools and frameworks (e.g., JUnit, TestNG, PyTest). · Strong understanding of software QA methodologies, tools, and processes. · Familiarity with RESTful APIs and tools like Postman. · Experience with CI/CD tools (GitLab). · Experience in using Coding Assistants like GHCP to generate Unit Tests is required **Education:** · Bachelor's degree in Computer Science, Engineering, or a related field. **Top 3-4 Skills Required** 1. Contribute to the design and implementation of test strategies, frameworks, and tools. Monitor and report on test coverage, performance, and reliability metrics. Proficient in using SonarQube for static code analysis and quality assurance. Experienced in integrating SonarQube with CI/CD pipelines (GitLab CI), customizing quality gates, and generating actionable reports on code smells, bugs, and vulnerabilities. 2. Programming Language:Python and Java 3. AI-Assisted Testing:The expectation is that they are familiar and have used GHCP or similar tools. 4. Automation Framework: Which automation framework experience is key for this role? -JMeter for regression testing and Selenium for UI automation. **About US Tech Solutions:** US Tech Solutions is a global staff augmentation firm providing a wide range of talent on-demand and total workforce solutions. To know more about US Tech Solutions, please visit ************************ US Tech Solutions is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, colour, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.
    $88k-121k yearly est. 60d+ ago
  • Software Engineer

    Latitude 3.9company rating

    Principal software engineer job in Columbia, MD

    Requirements• Analyze, design, and develop high-performance C++ applications with sophisticated graphical user interfaces. • Collaborate with cross-functional teams to understand project requirements, translating them into intuitive and visually appealing user experiences. • Develop and maintain efficient build systems and tools. • Optimize code for performance, scalability, and visual responsiveness. • Conduct code reviews and provide constructive feedback to team members. • Identify opportunities for code refactoring and improvement. • Stay up-to-date with the latest C++ standards, GUI development best practices, and emerging technologies. Qualifications• Strong proficiency in C and C++, including low-level system programming and optimization techniques. • Extensive experience in GUI development using relevant frameworks and toolkits. • Solid understanding of UI/UX design principles and user-centered development methodologies. • Extensive experience with build systems (e. g. , Make, CMake). • Solid understanding of multithreading and concurrent programming. • Expertise in version control systems (e. g. , Git). • Proven ability to analyze and understand complex codebases. • Excellent problem-solving and debugging skills. • Strong communication and collaboration abilities. • Ability to obtain a Top Secret security clearance Preferred Qualifications• Experience with DSP algorithms and implementation. • Background in high-performance computing (HPC). • Strong algorithmic and data structures knowledge. • Experience with refactoring and code optimization. • Proficiency in automated testing frameworks. • Experience with user interface development. • Embedded systems development experience. • GPU programming experience. • Experience with python / rust / c#. $120,000 - $180,000 a year
    $120k-180k yearly Auto-Apply 60d+ ago
  • Application Software Engineer

    Nerd Up

    Principal software engineer job in Gaithersburg, MD

    Python Developer - Research & Development Team (R&D) Design data-intensive applications for IoT Engineering, Robotics, and Consumer Electronics Cutting-edge, global consumer electronics/robotics company is seeking a Python Developer to join its R&D team whose customers around the globe include Sony, Kodak, LG, iRobot, Wacom, Samsung, and more. If you love research, data science, and Python programming and want a job where you can innovate and contribute to product development (not just research), you'll love learning more about this rare opportunity. If you're an innovative engineer who loves seeing your code, presentations, and team make a difference and categorically improve end-user experience, apply today! The Role Write clean, easy-to-understand code and contribute to the team's software engineering knowledge and application engineering output. Communicate complex scientific concepts but non-reductively to other teams, creating clean dashboards to help engineers access, understand, and drill down to appreciate the depths of your data. Collaborate with designers and engineers to ensure that Science output is incorporated into the product as smoothly and optimally as possible. Read scientific papers to understand current state-of-the-art for relevant modeling tasks. Author research, if you'd like (not required) Requirements Applied Physics or Applied Math background. Strong Python Development skills, having written complex code as part of a team. Solid software engineering skills, particularly relating to data engineering and using Python. Good scientific communication skills including being able to relate technical concepts to a non-technical audience. Strong experience using Python to parse and process complex and large datasets. Understanding and comfort with probability and statistics. Pragmatic approach to problem-solving. Helpful Repertoire (not all are required; this is a collaborative learning environment) Applied technical knowledge in Python, SQL, Regular Expressions, RESTFul Methodologies, Git, and Continuous Integration/Deployment tooling. Machine learning (ML) frameworks (sci-kit learn, tensor flow) and with different types of classifiers, hyperparameter tuning, Reporting/visualization (Tableau, Looker) of machine learning model metrics. Data pre-processing tools Education and Experience 5+ years' experience in Python software development and systems engineering A bachelor's in relevant engineering, applied physics, applied math, or software field (systems, electrical, computer, mechanical, computer science, or robotics) is required. Advanced degree or certification in any of these disciplines is also helpful.
    $74k-100k yearly est. 60d+ ago
  • Summer 2026 Software Engineer Intern

    Peraton 3.2company rating

    Principal software engineer job in Herndon, VA

    Responsibilities Peraton is seeking Summer 2026 Software Engineer Interns to support our Internal Research & Development (IRAD) program which will be conducted in our Herndon, VA, West Lafayette, IN or Blacksburg, VA offices. Join our Technology and Engineering Software Delivery Center and support exciting, advanced research projects in areas such as communications, space, cybersecurity, defense, health, and mobile. You'll have the opportunity to work in a collaborative, supportive environment with our full-time staff, allowing you to grow your skills and your career while building experience in a variety of different projects and domains. You'll work in an Agile software development environment supporting requirements/story development, software architecture and design, software development, and unit/component testing. You'll also get the chance to obtain certifications in leading technologies to enhance your skills, such as Amazon Web Services. We ask that each intern be available to work the duration of the ten weeks (June to August) and commit to working a minimum of 35-40 hours per week. This program is geared toward technical college students, actively enrolled at a four-year university, who will be rising into their junior or senior years. However, strong underclassmen may be considered if they have declared their major and have completed qualified coursework. Qualifications Required Qualifications: HS Diploma and some advanced level training. U.S. Citizenship. Have completed progress toward a bachelor's degree in computer science, computer engineering, or a related field. Foundational experience in an object-oriented programming language, preferably in Java, and exposure to software engineering processes. Hands on programming experience through coursework and/or prior internships. Strong analytical and problem-solving skills. Ability to quickly adapt and learn new technologies and concepts. Self-motivated, independent, detail oriented, responsible team-player. Strong written and oral communication skills. Desired Qualifications: 3.0 and above GPA. Exposure to Agile software development processes. Familiarity with web development frameworks and/or database technologies. Exposure to cloud computing environments. #PeratonIntern Peraton Overview Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can't be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we're keeping people around the world safe and secure. Target Salary Range The rate / range per hour below represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual's experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. SCA / Union / Intern Rate or Range $25.00/hour EEO EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.
    $25 hourly Auto-Apply 26d ago
  • Software Engineer

    Janus Soft 4.8company rating

    Principal software engineer job in Fairfax, VA

    Priority Level: HIGH Program: SouthPAN Current Interest: 1 candidate Clearance Requirements Current Status: Uncleared acceptable Requirement: Must be clearable U.S. Citizen Future: Must be willing to obtain TS/SCI in the future Note: Rare opportunity for uncleared candidates Education & Experience Required: BS in EE/CE/CS Preferred: MS degree Level: Senior level engineer who can serve as Team Lead Leadership: Must have Team Lead experience or potential Core Technical Requirements Programming Languages C++: Strong proficiency required Python: Strong proficiency required Modern Standards: Current C++ standards (C++11/14/17) Operating Systems Linux: Development and deployment experience System Programming: Low-level programming capabilities Leadership Requirements Team Lead Experience: Prior experience leading engineering teams Senior Engineer Potential: Senior engineers who can transition to leadership Mentoring: Ability to guide junior engineers Technical Leadership: Providing technical direction and architecture decisions Critical Specialized Requirements Safety-Critical Software DO-278A Knowledge: Safety critical software development techniques Importance: Really important - candidates without this are at disadvantage Impact: Lack of DO-278A makes position "tough to make work" Alternative: Will consider without but significant disadvantage Domain Experience (Highly Preferred) GPS/GNSS Systems: Global positioning system development Signal Processing: Digital signal processing applications Flight Systems: Aviation or flight management systems Navigation Systems: Navigation software development Team Context Current Status: Previous lead departed Team Composition: Mostly junior engineers Need: Strong technical leader who can mentor and guide Responsibility: Technical leadership and team development Preferred Qualifications Aviation Standards: DO-178B/C knowledge Real-Time Systems: Real-time software development Embedded Systems: Embedded software experience Algorithm Development: Mathematical algorithm implementation Testing: Unit testing, integration testing Key Responsibilities Lead software development team Provide technical architecture and direction Mentor junior engineers Implement safety-critical software systems Ensure compliance with aviation standards Collaborate with systems engineers and program management Compensation Benefits Package: 25% 401K + 25% IBA + 8 weeks PTO + 100% tuition reimbursement Critical Success Factors DO-278A Knowledge: Strongly preferred for success Leadership Capability: Must be able to lead and mentor team Domain Experience: GPS/GNSS/Navigation experience highly valued Technical Depth: Strong C++ and Python skills mandatory Team Building: Ability to develop junior engineers into productive team members Red Flags to Avoid No Leadership Experience: Position requires team leadership Weak C++ Skills: Core requirement for the role No Safety-Critical Experience: Significant disadvantage without DO-278A
    $85k-113k yearly est. 60d+ ago

Learn more about principal software engineer jobs

How much does a principal software engineer earn in Frederick, MD?

The average principal software engineer in Frederick, MD earns between $89,000 and $155,000 annually. This compares to the national average principal software engineer range of $98,000 to $182,000.

Average principal software engineer salary in Frederick, MD

$117,000
Job type you want
Full Time
Part Time
Internship
Temporary