Senior mechanical engineer jobs in Littleton, CO - 1,248 jobs
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Mechanical Engineer
First Solutions Group 4.4
Senior mechanical engineer job in Denver, CO
We are seeking an Entry Level MechanicalEngineer to become a part of our team! You will be required to perform a variety of engineering tasks. This position is an onsite role.
Responsibilities:
Drafting and Designing
Reviews with the team and customers
Qualifications:
Bachelors Degree in MechanicalEngineering
GPA of 3.5 or higher
Strong problem solving and critical thinking skills
Ability to prioritize and multitask
$76k-96k yearly est. 20h ago
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Staff Applied AI and Machine Learning Engineer, Payments & Risk
Gusto 4.5
Senior mechanical engineer job in Denver, CO
At Gusto, we're on a mission to grow the small business economy. We handle the hard stuff-like payroll, health insurance, 401(k)s, and HR-so owners can focus on their craft and customers. With teams in Denver, San Francisco, and New York, we're proud to support more than 400,000 small businesses across the country, and we're building a workplace that represents and celebrates the customers we serve. Learn more about our Total Rewards philosophy .
About the Role:
Gusto's Data Science team leverages Gusto's rich dataset to guide product direction and decision-making. We operate full-stack, conducting analyses, prototyping and deploying predictive models and statistical tools both for internal use and for our customers.
For this role, we are looking for a technical leader (an individual contributor) to drive machine learning and AI in the payment and risk domains. You will build a model-driven risk platform to provide a trusted environment for Gusto Ecosystem.
You'll be working with an established team and seasoned payments and risk leaders in Engineering, Product, Design, Operation, Identity and Compliance. In this role, you'll work cross functionally to build Platforms that span the entire breadth of the Payments and Risk Stacks, and use ML and AI to build a world- class, high secure platform that safeguards our users' activities and money, and ensures unparalleled reliability.
Here's what you'll do day-to-day:
Build and deploy machine learning models to identify, assess and mitigate risks
Responsible for driving research in the problem space, working with stakeholders to understand model requirements, developing the model from scratch, deploying the model alongside your engineering counterparts, and monitoring and maintaining the model's performance over time
Partner with Engineering, Design, and Product counterparts in Payment and Risk to solve complex cross functional problems
Develop scalable frameworks and libraries that enhance and contribute to the team's core analysis and modeling capabilities, including through the integration of LLMs to improve data processing, analysis, and insights.
Identify new opportunities to leverage data to improve Gusto's products and help risk management team to understand business requirements and develop tailored solutions
Present and communicate results to stakeholders across the company
Here's what we're looking for:
8+ years of experience conducting statistical analyses on large datasets and deep domain knowledge in machine learning and artificial intelligence, including familiarity with Large Language Models (LLMs) and their applications. This could mean either a MS or PhD in a quantitative field with at least 5 years experience in a business environment, or BS or Data Science Bootcamp graduate with at least 8 years of experience working as a data scientist or a machine learning engineer in a business setting.
Proven experience in credit risk modeling or fraud risk modeling using logistic regression, random forest, Xgboost or neural networks, along with a strong understanding of AI-based approaches and the potential of LLMs to enhance traditional models.
Experience applying a variety of statistical and modeling techniques using Python, R or another statistical modeling language, as indicated by familiarity with many of the following techniques - predictive modeling, anomaly detection, ensemble methods, natural language processing (NLP, optional). Basic understanding of LLMs and their applications.
Strong programming skills - comfortable with all phases of the data science development process, from initial analysis and model development to deployment
Excellent communication skills - able to effectively deliver findings and recommendations to non-technical stakeholders in a clear and compelling fashion
PhD or Masters plus equivalent experience in a quantitative field is a plus
Experience in the Fintech industry is a plus
Our cash compensation amount for this role is targeted at $225,000 - $285,000 for San Francisco, New York, and Seattle, $205,000- $255,000 in Los Angeles, $187,000 - $235,000 in Denver, and $200,000 - $250,000 CAD for Toronto, Canada. Final offer amounts are determined by multiple factors including candidate experience and expertise and may vary from the amounts listed above.
Gusto has physical office spaces in Denver, San Francisco, and New York City. Employees who are based in those locations will be expected to work from the office on designated days approximately 2-3 days per week (or more depending on role). The same office expectations apply to all Symmetry roles, Gusto's subsidiary, whose physical office is in Scottsdale.
When approved to work from a location other than a Gusto office, a secure, reliable, and consistent internet connection is required. This includes non-office days for hybrid employees.
Our customers come from all walks of life and so do we. We hire great people from a wide variety of backgrounds, not just because it's the right thing to do, but because it makes our company stronger. If you share our values and our enthusiasm for small businesses, you will find a home at Gusto.
Gusto is proud to be an equal opportunity employer. We do not discriminate in hiring or any employment decision based on race, color, religion, national origin, age, sex (including pregnancy, childbirth, or related medical conditions), marital status, ancestry, physical or mental disability, genetic information, veteran status, gender identity or expression, sexual orientation, or other applicable legally protected characteristic. Gusto considers qualified applicants with criminal histories, consistent with applicable federal, state and local law. Gusto is also committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. We want to see our candidates perform to the best of their ability. If you require a medical or religious accommodation at any time throughout your candidate journey, please fill out this form and a member of our team will get in touch with you.
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$225k-285k yearly 4d ago
Mechanical Engineer
Actalent
Senior mechanical engineer job in Aurora, CO
Job Title: MechanicalEngineerJob Description
We are seeking a dedicated MechanicalEngineer to join our team in designing innovative packaging and material handling equipment. This role offers an excellent opportunity to gain real-world skills in a dynamic and rapidly growing environment.
Responsibilities
Design and develop conveyor systems and machine designs.
Create detailed mechanical designs using Solidworks.
Work on 2D drafting and 3D design projects.
Develop and interpret shop and fabrication drawings.
Handle Bill of Materials (BOMS) for various projects.
Collaborate with cross-functional teams to implement design solutions.
Essential Skills
Bachelor's degree in MechanicalEngineering preferred.
Proficiency in Solidworks is ideal but not mandatory.
Experience in 2D drafting and 3D design.
Experience with large systems and shop/fabrication drawings.
Strong academic record with a GPA of 3.5 or higher preferred.
Additional Skills & Qualifications
Experience with packaging and material handling equipment.
Background in conveyor systems and large system designs.
Preferred educational Background from University of Colorado Boulder, Colorado School of Mines, Colorado State University (Fort Collins), or the University of Denver.
Candidates from top 5 engineering schools are encouraged to apply.
Work Environment
Our work environment is vibrant and offers extensive training on all necessary skills. The company is in a phase of rapid growth, moving into a brand-new facility soon. Initial work may be conducted out of a temporary trailer. Permanent roles offer potential overtime opportunities and discretionary profit sharing. No vacation days are available while on contract, but holiday benefits are provided.
Job Type & Location
This is a Contract to Hire position based out of Aurora, CO.
Pay and Benefits
The pay range for this position is $25.00 - $28.00/hr.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: • Medical, dental & vision • Critical Illness, Accident, and Hospital • 401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available • Life Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term disability • Health Spending Account (HSA) • Transportation benefits • Employee Assistance Program • Time Off/Leave (PTO, Vacation or Sick Leave)
Workplace Type
This is a fully onsite position in Aurora,CO.
Application Deadline
This position is anticipated to close on Jan 20, 2026.
About Actalent
Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 30,000 consultants and more than 4,500 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500.
The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.
If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing due to a disability, please email actalentaccommodation@actalentservices.com for other accommodation options.
$25-28 hourly 4d ago
Mechanical Designer
Optigrid
Senior mechanical engineer job in Longmont, CO
Department:
MechanicalEngineering
Reports to:
Chris Wilke
OptiGrid is an energy technology company accelerating fleet electrification with battery-integrated DC fast charging solutions. Our modular solution combines charging, energy storage, and grid management to eliminate costly infrastructure upgrades and cut deployment timelines from years to weeks. We're growing rapidly and need people who move quickly, think creatively, and find solutions to tough problems. If you want to make a real impact helping fleets go electric, we'd love to hear from you.
Position Overview:
As a Mechanical Designer, you will play a critical role in developing next-generation DC Fast Charging systems for electric vehicles. This position focuses on designing robust, efficient, and manufacturable mechanical solutions for high-power electronics and energy storage systems. The ideal candidate will combine expertise in electronics packaging, thermal management, and structural design with a strong focus on design documentation.
Key Responsibilities:
Innovative Design:
Design components for battery-integrated DC fast chargers and lab test equipment
Fabricate and assemble prototype parts for design validation
Documentation:
Prepare detailed drawings of mechanical parts and electrical wiring harnesses
Create and maintain Bills of Materials (BOM) for new and existing products
Initiate and manage Engineering Change Orders (ECOs) for controlled documents, specifications, and work instructions
Manufacturing Support:
Resolve manufacturing/quality issues for parts and assemblies in production
Design production test equipment and assembly aides
Support production line setup
Qualifications:
Associate's degree in MechanicalEngineering
5+ years' experience in electronics packaging design
Extensive design experience using PTC Creo Parametric CAD software package
Understanding of the applications of ASME Y14.5
Demonstrated success in designing for sheet metal, extrusion & injection molding processes
Experience with mechanical fabrication in a lab environment
Excellent written and verbal communication skills
Preferred Skills:
Bachelor's degree in MechanicalEngineering
10+ years' experience in electronics packaging
Proficient with Creo Sheet Metal & Cabling Extension
Experience with Creo Harness Manufacturing Extension "HMX"
Proficient in the use of Arena and Windchill PLM
Successfully implemented mechanical solutions for power electronic devices
Experience in Electric Vehicle Supply Equipment product design
Why Join OpriGrid?
Make an Impact: Help accelerate fleet electrification and reduce carbon emissions by enabling faster, more affordable EV charging infrastructure deployment.
Work With Great People: Join a collaborative team that values diverse perspectives. We solve hard problems together and celebrate wins as a team.
Competitive Compensation & Benefits: Competitive salary and comprehensive benefits including health, dental, vision insurance, and PTO.
At OptiGrid, LLC, we offer fair and equal opportunities to all our candidates and team members regardless of race, color, religion, sex, pregnancy, sexual identity, national origin, citizenship, marital status, disability status, parental status, veteran status, or any other characteristics protected by law. OptiGrid, LLC believes in hiring individuals only based on their qualifications and experiences that meet our business requirements to fill the positions.
$52k-70k yearly est. 20h ago
Senior Project Engineer
Gilmore Construction Corporation
Senior mechanical engineer job in Denver, CO
🚧 Now Hiring: Sr. Project Engineer | Gilmore Construction | Denver, CO
Gilmore Construction is looking for a skilled Sr. Project Engineer to join our growing team! This is an exciting opportunity to lead impactful commercial construction projects across Colorado while working in a collaborative and inclusive environment.
About the Role:
In this full-time position, you will direct and coordinate all aspects of the project lifecycle-from preconstruction through closeout. You'll oversee budget, schedule, safety, quality, and team management to ensure successful delivery for our clients.
We are especially interested in candidates with strong MEP coordination experience. Experience in data center construction or other mission-critical environments is a plus.
Key Responsibilities:
Lead day-to-day project operations, including planning, scheduling, and team leadership
Manage contracts, budgets, subcontractors, and project documentation
Ensure compliance with QA/QC and safety standards
Foster client, architect, subcontractor, and vendor relationships
Coach and mentor Project Engineers
Qualifications:
5+ years in commercial construction, with at least 3 years in a Project Engineer role
Deep knowledge of building systems and construction methods-especially MEP systems
Experience with commercial construction; data center experience strongly preferred
Proficiency with Procore and Microsoft 365/Copilot
OSHA 30, Lean Construction, CPR/First Aid certifications (or willingness to obtain)
Why Gilmore Construction?
SBE, DBE, and MBE-certified general contractor
28 years of building Colorado's most meaningful projects
Small, family-owned team of ~50 employees
Committed to mentorship, community giving, and small business advocacy
Join a team where your work has purpose-and your career has potential.
📩 Apply today or message us directly to learn more!
$86k-112k yearly est. 2d ago
Sr. Project Engineer
PG Arnold Construction 3.4
Senior mechanical engineer job in Denver, CO
The Sr. Project Engineer will collaborate with the Company Project Managers, Superintendents, Field Staff, and Executive Staff to ensure the successful completion of construction projects. In addition, the Sr. Project Engineer will act as a liaison with Owners, Architects, Engineers and Tenants regarding project feasibility, cost, scheduling, completion, and close-out on assigned construction projects both public and private.This position is also responsible for design development participation pre-construction/estimating activities.The Sr. Project Engineer is responsible for maintaining constant and effective communications with team members, both internal and external as well as customers.
Responsibilities for the Sr. Project Engineer will include the following:
Estimating/Pre-Construction (assist estimators with the following when required):
Send projects to sub-contractors for bids.
Develop prospective project instructions to bidders.
Coordinate with all bidding sub-contractors to ensure proper coverage for projects bidding.
Coordinate with other Project Managers, Estimators and Superintendents to develop estimate spreadsheets.
Develop proposal package for timely submission to clients.
Project Management (collaborate with Project Managers to assist with the following):
Manage day-to-day communications on projects to ensure projects are delivered on time and on budget.
Assist Project Manager in reviewing, tracking and processing change orders on multiple projects.
Coordinate with Project Managers and Superintendents as required to execute assigned tasks for coordinating scheduling with sub-contractors. This includes tracking material procurement to ensure on time deliveries.
Manage all project-based paperwork including and not limited to; RFI's, submittals, contracts, change orders, sub-contractor, and estimates.
Assist in obtaining and tracking project permits and inspections.
Obtain all required close-out documents including record drawings, O&M's and warranties.
Supervision (collaborate with Superintendents to assist with the following):
Coordinate with Site Superintendents
Create and assist Superintendent in tracking completion of punch list and warranty work.
Knowledge and Experience:
Four-year Construction Management degree required.
Three years' experience as a Project Engineer.
Knowledge of project management principles for building construction; theory, principles and practices of engineering and architecture related to design and construction.
Knowledge of fundamentals of mechanical, electrical, structural and civil engineering systems.
Knowledge of all applicable local and international codes.
Skills and Abilities:
High drive to succeed coupled with excellent organizational, interpersonal communication skills and drive to be a leader.
Ability to quickly consume and master project contract documents.
Ability to problem solve and process information in a timely manner.
Ability to plan, direct, and coordinate professional and sub-professional project teams.
Ability to manage time and prioritize tasks to manage multiple projects concurrently.
Strong computing skills to run design software, project management software, scheduling software and basic office software packages.
High desire to train and provide knowledge to peers to promote growth in the company.
Requirements:
Must have a valid Colorado Driver's License
Must have a clean criminal record for work in educational facilities.
Interested candidates please send resume and cover letter to *************************
$87k-109k yearly est. 3d ago
Project Engineer
Strategic Employment Partners (Sep 4.5
Senior mechanical engineer job in Thornton, CO
Our client is a long-established electrical construction contractor delivering large-scale commercial and industrial projects across Colorado. With more than a century of experience, they support complex infrastructure work through strong project controls, safety-first execution, and close collaboration between field and office teams.
As a Project Engineer, you'll support senior project managers on active electrical construction projects from pre-construction through closeout. You'll play a key role in coordinating documentation, tracking materials, and supporting field execution to help keep projects on schedule and within budget.
Responsibilities & Requirements • Coordinate and track RFIs, submittals, and project documentation • Manage OFCI submittals and assist with material buyouts and material tracking • Support cost tracking, schedules, and change management • Work closely with PMs, superintendents, vendors, and subcontractors • Read and interpret construction drawings and specifications •
What They Offer • Salary range: $80,000-$105,000, depending on experience • Track to becoming a Project Manager • Company vehicle and fuel card • Comprehensive benefits, 401(k) with match, and paid time off • Long-term stability with ongoing project opportunities across Colorado
No sponsorship available. Only US Citizen and Green card holders at this time.
$80k-105k yearly 1d ago
Project Engineer
Phillips Infrastructure 3.7
Senior mechanical engineer job in Denver, CO
The Project Engineer in this role is responsible for planning, developing, coordinating, and managing onsite construction engineering activities for large, extensive projects in the heavy civil/power construction industry, encompassing grading, clearing, and site development.
Essential Duties and Responsibilities:
Track project quantities
Generate project billing.
Initiate and negotiate change orders.
Generate CAD drawings and present solutions to owners for design problems that arise in the field.
Review plan changes
Assist with work plans.
Assist with project schedules.
Manage submittal data.
Manage material purchase orders.
Manage and negotiate subcontracts.
Assist in division field personnel management.
Assist field personnel in any capacity to handle any problems that may arise.
Work with Project Superintendents, Foreman, and Crews to perform work more effectively.
Attend pre-construction meetings.
Requirements:
Must be willing to relocate.
Strong organizational skills
Strong work ethic
Able to multitask and work independently under pressure and tight deadlines.
Education and Experience:
Four-year engineering degree or equivalent technical training and related experience
Excellent communication and interpersonal skills
Demonstrated ability to manage a team of varied disciplines.
Candidates that accept an offer of employment are required to undergo and successfully complete a pre-employment physical examination. This exam is essential to ensure that all potential employees meet the necessary health and fitness standards for the role. The examination includes a series of tests and evaluations conducted by a certified medical professional to assess overall physical health, identify any potential medical conditions that could interfere with job performance, and verify that the candidate is capable of safely performing the essential duties of the position.
Completion and clearance of this physical are mandatory steps in the hiring process.
$68k-91k yearly est. 1d ago
Principal Mechanical Engineer
Loft Federal
Senior mechanical engineer job in Golden, CO
Loft Federal is committed to delivering the U.S. national security space community a fast, affordable, and streamlined pathway to orbit. As a wholly owned U.S. subsidiary of Loft Orbital Solutions, Inc., we specialize in providing mission-ready space infrastructure with unmatched efficiency.
At Loft, we empower our team with autonomy, ownership, and bold problem-solving opportunities while fostering a tight-knit, supportive environment. We believe that diversity, inclusivity, and community are the foundation of an open and innovative culture. We value kind, collaborative, and mission-driven teammates who excel in problem-solving and communication-because great solutions come from great teams.
Are you ready to embark on this exciting journey with us?
As a Principal MechanicalEngineer at Loft Federal, you will own our hardware development from conceptual design through production ensuring strict adherence with design criteria. You will lead our mechanical team in design iterations, structural and thermal analyses, manufacturing and support our integration and testing efforts to ensure the resilience of our space hardware. Additionally, your technical leadership will help the team manage technical deliverables, schedules, and operations. You will provide mentorship to our more junior mechanicalengineers, and foster collaboration with the rest of our engineering team for seamless mission execution.
Mission Objectives
Rapidly iterate on designs and analysis to inform high level systems trades and steer overall product direction.
Oversee detailed structural and thermal analysis to engineer robust space hardware.
Provide comprehensive support for environmental and performance testing on hardware, validating analyses, and ensuring compliance with design criteria.
Ownership of technical deliverables as well as schedules, supply chain, and operations.
Act as the primary mechanical point of contact for suppliers, customers, and subcontractors, ensuring seamless communication and collaboration.
Collaborate closely with cross-functional teams to ensure alignment and synergy across all aspects of the project.
Mission Mandates
Active DoD Secret clearance is required.
The ability to obtain and maintain a Top Secret / Sensitive Compartmented Information (TS/SCI) clearance is required.
Preference will be given to candidates with a DoD or Intelligence Community Top Secret background investigation with at least 3 years of eligibility remaining or CE status; and SCI eligibility with current experience in SCI programs, other control systems, and/or Special Access Programs.
Mission Credentials
A Bachelor's degree in MechanicalEngineering or a directly related field.
Over 12 years of extensive experience in mechanical design, manufacturing, and testing with end-to-end satellite program experience.
Background in small satellite assembly, integration, and test campaigns with an emphasis on manufacturing and Assembly Integration and Test (AI&T).
Proficiency with CAD software, with SolidWorks preferred.
Leadership experience within engineering teams.
Strong mechanical aptitude to address a variety of technical challenges complex in nature.
Proven track record of successful hardware ownership on a spacecraft, subsystem, or payloads.
Experience in structural and thermal design and analysis, encompassing both manual calculations and Finite Element Models (FEM).
Excellent communication skills, with the ability to articulate effectively in customer meetings.
Experience in force-limited vibration testing or developing analytical notched profiles.
Proficiency in selecting materials, manufacturing methods, and surface treatments for mechanical components.
Experience in designing avionics enclosures for PCBAs.
Experience in harness routing.
Per Colorado law, we are required to disclose the base compensation range for this role. This range is intentionally wide as we assess individuals based on their unique abilities and experience to find the best fit for our needs. Ultimately, your compensation will be determined by your education, experience, knowledge, skills, and abilities. In addition to a competitive salary and benefits package, you will find a truly remarkable culture guided by transparency and collaboration and work that is challenging and meaningful. We can't wait to meet you and see what you may add to our team!Salary Range$160,000-$208,000 USDEqual Employment Opportunity & Affirmative Action
Loft Federal is an Equal Employment Opportunity and Affirmative Action Employer. We consider all qualified applicants for employment without regard to race, color, age, religion, sex, gender identity or expression, sexual orientation, marital status, national origin, ancestry, veteran status, genetic information, disability, pregnancy, or any other legally protected status.
Accessibility & Accommodations
If you require a reasonable accommodation due to a disability when applying for an open position, please contact us at ************************** for assistance.
We Hire for Talent, Not Just Resumes
Research shows that while men apply for jobs when they meet about 60% of the qualifications, women and other underrepresented groups tend to apply only when they meet 100% of the listed criteria. At Loft Federal, we value diverse perspectives, respectful debate, and people who challenge assumptions. If you're excited about a role but don't meet every requirement, we strongly encourage you to apply.
Third-Party Recruiters & Agencies
No outside recruiters, please. Loft Federal does not accept unsolicited resumes from headhunters, staffing agencies, or third-party recruiters. We will not pay fees for candidates submitted without a signed agreement in place.
$160k-208k yearly Auto-Apply 60d+ ago
Principal Mechanical Engineer I
Cesiumastro 3.2
Senior mechanical engineer job in Westminster, CO
Please Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State.
At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team.
We are looking to add a Principal MechanicalEngineer I to our team. If you are great at what you do, enjoy working in a startup environment, and are passionate about developing leading-edge hardware for satellites, spacecraft, and aerospace systems, we would like to hear from you.
In this position, you will be responsible for mechanical designs of Cesium products through all phases of the development process. The ideal candidate will be proficient in electronics packaging design, mechanical simulations and analyses, computer-aided design (CAD), aircraft mechanical interfaces, and environmental qualification of electronic assemblies (MIL-STD-810 and DO-160G).
As a Cesium mechanical team member, you will be responsible for mechanical designs from initial concept design through requirements definition, detailed design, simulation, analysis, manufacturing, testing, qualification, and field support of Cesium's products. Required skills and experience include thermal management design, precision machining principles, thermal simulation and analysis, shock and vibration simulation and analysis, electromagnetic interference/compatibility (EMI/EMC) mitigation techniques, environmental compatibility analysis, geometric dimensioning and tolerancing (GD&T), finite element analysis (FEA), and cost analysis to develop, validate, and optimize mechanical designs.
The successful candidate will also present engineering design review materials to our customers and leadership team, as well as participate in proposal-writing efforts. As such, excellent written and verbal communication skills are required. JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS
Bachelor of Science (BS) or Master of Science (MS) degree in Mechanical or Aerospace Engineering from an accredited university or institution.
Minimum of 9 years of industry experience in design and analysis of avionics or ruggedized embedded electronics packaging, including thermal, vibration, and stress dynamics or in aircraft structures and mechanisms. A Master's degree may count as two years of experience.
Familiarity with electronics assemblies and experience working closely with electrical engineers.
Familiarity with design for test, manufacturability, assembly, and reliability.
Experience with CAD software packages, such as SolidWorks.
Experience with professional mechanical and FEA CAD tools, such as Ansys.
Experience with CNC manufacturing.
Experience with EMI/EMC mitigation techniques.
Excellent written and verbal communication skills.
PREFERRED EXPERIENCE
Aerospace industry design, development, and qualification.
Proven experience as a technical lead on a program or project.
Experience with aircraft/airframe integration.
Experience with FAA certification to DO-160G requirements or environmental qualification to MIL-STD-810 requirements.
$120,000 - $155,000 a year CesiumAstro considers several factors when extending an offer, including but not limited to, the role and associated responsibilities, a candidate's work experience, education/training, and key skills. Full-time employment offers include company stock options and a generous benefits package including health, dental, vision, HSA, FSA, life, disability and retirement plans. CesiumAstro is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected Veteran Status, or any other characteristic protected by applicable federal, state, or local law.
Please note: CesiumAstro does not accept unsolicited resumes from contract agencies or search firms. Any unsolicited resumes submitted to our website or to CesiumAstro team members will be considered property of CesiumAstro, and we will not be obligated to pay any referral fees.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
$120k-155k yearly Auto-Apply 60d+ ago
Principal Mechanical Engineer - Structural and Vibration Analyst
Red 6 3.7
Senior mechanical engineer job in Denver, CO
Red 6 is an innovative Augmented Reality (AR) technology startup leading the way in synthetic air combat training. Our primary technology, supporting our ATARS product, enables pilots to simulate the cognitive challenges of flying while accessing realistic, scalable training in dynamic outdoor environments.
The Role
Red 6 Technologies is seeking an experienced Principal MechanicalEngineer - Analyst to conduct detailed analysis of advanced hardware for military jet and rotary-wing aircraft. The ideal candidate will have a strong background in structural and vibration analysis, as well as experience with thermal and CFD modeling, military environmental standards, and opto-mechanical systems.
This role provides an opportunity to work on innovative technologies in augmented reality (AR), virtual reality (VR), and advanced optical sensor systems, helping redefine how pilots and warfighters train and operate.
Key Responsibilities
* Lead, grow, and mentor a team of Mechanical Analysis Engineers, provide technical guidance, design leadership, and foster a collaborative and innovative work environment.
* Perform detailed structural, vibration, and modal analyses of aerospace hardware to ensure reliability and compliance with design and environmental requirements.
* Conduct shock and dynamic analyses, including steady-state and transient vibration regimes.
* Conduct CFD analyses to evaluate system performance in highly dynamic fluid flow events.
* Develop finite element models and simulations using ANSYS Workbench, verifying analytical results through test data correlation.
* Analyze and design electronic packaging and structural components for extreme operational conditions.
* Work closely with Mechanical, Optical, Electrical, Product, and Systems Engineering teams to develop integrated, flight-qualified hardware.
* Ensure compliance with relevant military and aerospace standards, including MIL-STD-810, MIL-STD-516, AS9100, and MMPDS specifications.
* Support environmental test procedure development and assist in the execution and oversight of testing programs.
* Participate in design reviews, documentation generation, and technical reporting for internal and customer stakeholders.
Required Qualifications
* Bachelor of Science in Mechanical, Aerospace, or Civil Engineering.
* Strong leadership skills with a proven track record of successful team leadership, team building and project leadership.
* 10+ years of experience in stress and structural analysis for aerospace or military systems.
* 10+ years of experience using Finite Element Analysis (FEA) and Computer-Aided Design (CAD) software.
* Proven experience in vibration and shock analyses, including steady-state and transient regimes.
* Experience with electronic packaging and structural integrity assessment for aerospace applications.
* Proven experience maintaining industrial design intent; ensuring that structural and thermal solutions align with aesthetic goals, user experience requirements, and product brand identity.
* Proficiency in CAD software (CREO or SolidWorks Preferred) and other relevant engineering tools.
* Hands-on experience applying MIL-STD-810 and similar environmental test method standards.
* Familiarity with material, design, process, and quality specifications such as MMPDS and AS9100.
* Strong communication skills and ability to document and present technical findings effectively.
* Must be able to commute or move to Louisville, Colorado. On-site work required (relocation negotiable).
* Qualified candidate must have the ability to obtain a security clearance. This requires U.S. Citizenship.
Preferred Qualifications
* Master of Science in Mechanical or Aerospace Engineering.
* Experience in the design and analysis of military hardware for airborne or defense platforms.
* Experience designing and analyzing for weight reduction and structural optimization a plus.
* Proficiency in ANSYS Workbench for structural, modal, and thermal analyses.
* Familiarity with aerospace and optical materials, including adhesives, composites, and coatings.
* Experience developing environmental testing procedures and overseeing qualification tests.
* Working knowledge of military airborne platforms and environmental operating conditions.
* Experience with AR/VR systems, optical sensors, and precision opto-mechanical alignment.
Full-Time Employee Benefits
* Healthcare, Dental, and Vision (100% coverage for Employees)
* Paid time off, including vacation, sick, paid holidays, and parental leave
* Short and Long-Term Disability
* Flexible Spending Account (FSA)
* 401(k) Retirement Plan
* Voluntary Worksite Benefits (Accident, Critical Illness, and Hospital Indemnity)
Note
Red 6 reserves the right to change its current benefits program at any time, in a manner that is consistent with applicable federal and state regulations.
This is not a contract and confers no contractual rights, privileges, or benefits on any applicant or potential applicant. Red 6 has the right to change any and all terms of this , including, but not limited to, job responsibilities, qualifications, and benefits. Nothing in this job description constitutes an offer or guarantee of employment.
Red Six Aerospace, Inc, is an Equal Opportunity Employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by law.
California: **********************************************
Colorado: ***********************************
Florida: *************************************************
Under the California Consumer Privacy Act ("CCPA"), Red 6 Aerospace, Inc. operating company you are applying to work for (hereinafter, "we", "our", or "us") may collect personal information and use it for certain business purposes as described below in this Job Applicant and Employee Privacy Notice. We are required to disclose the following information to California "consumers" regarding our collection of their personal information. Under the CCPA, "consumers" means California residents, including job applicants, employees, or contractors of a business.
Candidate Privacy Notice
$99k-130k yearly est. 4d ago
Principal Mechanical Engineer - LEED/PE
Chembular Manpower
Senior mechanical engineer job in Denver, CO
TFA Staffing Co.is a full service professional staffing agency.We specialize in the High Technology profession with talent in many different areas. A faster pace - The average professional at TFA Staffing completes 8 to 12 engagements in a year across numerous areas of practice and client industries. Large Enterprise Clients: Our consultants work on critical projects for some of the world's largest companies. We have
a diverse set of clients with an emphasis in Professional and
Executive Level, Financial Services, Information Technology, Health Care, Sales, Engineering, Industrial and Skilled Labor. We offer candidates complete confidentiality in their search and provide employers with simple, targeted searches from a database of qualified candidates through partnerships with afilliate companies.
Job Description
Principal MechanicalEngineer - LEED/PE
SN
Full-Time Engineering in Denver, Colorado, United States
SeniorMechanicalEngineer required for a client facing position in Denver, CO.
Qualifications
Must have the following skills and experiences:
LEED accreditation
PE License
MechanicalEngineering Degree
Data center engineering project experience 5+ years
Lead engineer for teams and some project management experience
Desirable is autocad and revit experience
A very trusted client of ours is in need to fill this position ASAP - Openings: 1
Start date: ASAP
Minimum education level: Bachelor's Degree
Experience required: 5+ to 7 Years
Salary: 110000k
Contract Duration: Permanent
Relocation required: Yes
Travel Percentage: 20%
Overnight travel required: Yes
Expenses paid: Yes
Additional Information
Please send cover letter and resume in word doc format ASAP to ~
[email protected]
(P) ************
$90k-120k yearly est. 13h ago
Principal Mechanical Engineer
Crusoe 4.1
Senior mechanical engineer job in Denver, CO
Crusoe's mission is to accelerate the abundance of energy and intelligence. We're crafting the engine that powers a world where people can create ambitiously with AI - without sacrificing scale, speed, or sustainability.
Be a part of the AI revolution with sustainable technology at Crusoe. Here, you'll drive meaningful innovation, make a tangible impact, and join a team that's setting the pace for responsible, transformative cloud infrastructure.
About the Role:
We're seeking a Principal MechanicalEngineer to be the technical authority on our power generation projects. In this role, you'll own the design, integration, and performance of critical mechanical systems that drive our mission to deliver sustainable, high-performance data centers.
You'll lead projects from concept to commissioning, mentor the next generation of engineers, and guide technology choices that shape the future of clean energy and AI infrastructure. (#INDDIG)
What You'll Be Working On:
Lead full lifecycle engineering for power generation systems, from feasibility studies through design, construction, and operation.
Own the integration of turbines, pumps, piping, and rotating equipment at U.S. and international sites.
Review and approve advanced engineering deliverables, ensuring compliance with ASME and API codes.
Drive vendor selection and technical bid reviews; approve critical equipment designs and inspections.
Guide technology choices through trade-off analyses to optimize cost, performance, and reliability.
Partner with business development on bids, budgets, and client presentations.
Mentor junior engineers, building technical strength across the team.
Advance decarbonization initiatives including hydrogen co-firing and carbon capture integration.
What You'll Bring to the Team:
B.S. in Mechanical or Chemical Engineering required; M.S. preferred.
8+ years in project engineering and management within power generation, oil & gas, or heavy industry.
Proven expertise in gas turbine technology and packaged mechanical systems.
Mastery of ASME and API standards; PE license preferred, PMP a plus.
Proficiency in 3D CAD (SolidWorks) and deep knowledge of thermodynamics, fluid mechanics, and rotordynamics.
Strong leadership, problem-solving, and communication skills with a track record of delivering complex projects.
Willingness to travel up to 25% and alignment with Crusoe's mission and values.
Benefits:
Industry competitive pay
Restricted Stock Units in a fast growing, well-funded technology company
Health insurance package options that include HDHP and PPO, vision, and dental for you and your dependents
Employer contributions to HSA accounts
Paid Parental Leave
Paid life insurance, short-term and long-term disability
Teladoc
401(k) with a 100% match up to 4% of salary
Generous paid time off and holiday schedule
Cell phone reimbursement
Tuition reimbursement
Subscription to the Calm app
MetLife Legal
Company paid commuter benefit; $300/month
Compensation Range
Compensation will be paid in the range of up to $204,000 -$240,000+ Bonus. Restricted Stock Units are included in all offers. Compensation to be determined by the applicants knowledge, education, and abilities, as well as internal equity and alignment with market data.
Crusoe is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, disability, genetic information, pregnancy, citizenship, marital status, sex/gender, sexual preference/ orientation, gender identity, age, veteran status, national origin, or any other status protected by law or regulation.
$99k-130k yearly est. Auto-Apply 60d+ ago
Professional Application Designer
HJ Staffing 3.9
Senior mechanical engineer job in Lakewood, CO
HJ Staffing is seeking a Professional Application Designer to design, develop, install, test, and document complex applications software, including server, client, and web components. In this role, you will bridge the gap between application architects and development teams, ensuring that technical architecture solutions are scalable, cost-effective, and aligned with customer specifications. You will function as a domain expert, providing leadership and work guidance to less experienced personnel to enhance overall product quality
What You Will Do
Design & Development: Provide high-level design documents and translate them into component-level designs to accelerate the development of flexible, reusable components
Technical Liaison: Act as the primary liaison between application architects and development teams to ensure seamless coordination during product implementation
Research & Evaluation: Assist in technical research and evaluate tools and methodologies to ensure designs adhere to industry, client, and company standards
Documentation & Testing: Develop comprehensive technical documentation and oversee test-plan development, integration, and deployment phases.
Collaboration: Participate in joint applications development (JAD) sessions and project meetings to communicate design decisions across departmental personnel
Mentorship: Provide leadership and work guidance to less experienced developers, ensuring all application designs meet strict specifications
What You Will Bring:
Education: Bachelor's degree in Computer Science, Software Engineering, Business, or a related field (or an equivalent combination of education and experience).
Experience: 3+ years of experience in product design and support, with a strong background in the Software Development Life Cycle (SDLC) and various development methodologies.
Technical Mastery: Proven experience with product systems design principles, appropriate programming languages, operating systems, hardware, and software
Process Knowledge: Familiarity with company application development policies, procedures, and industry-standard coding documentation.
You Will Be Successful If:
Analytical Mindset: You possess strong problem-solving and creative thinking skills applicable across multiple product suites.
Good Communication: You can effectively translate complex technical requirements for developers, customers, support personnel, and management
Agility: You have the ability to handle multiple tasks simultaneously and switch between priorities quickly in a fast-paced environment.
Collaborative Spirit: You thrive both when working independently and as a proactive member of a cross-functional team.
Important Details
Eligibility: Candidates must be a US Citizen or Green Card Holder.
Schedule: Preferred availability is Monday-Friday, 8:00 AM - 5:00 PM Mountain Time (MT)
Remote Status: This is a remote-friendly position focusing on digital transformation and scalable architecture.
$75k-100k yearly est. Auto-Apply 28d ago
Aerospace Engineer - GNC
Vantor Holdings
Senior mechanical engineer job in Westminster, CO
Vantor is forging the new frontier of spatial intelligence, helping decision makers and operators navigate what's happening now and shape what's coming next. Vantor is a place for problem solvers, changemakers, and go-getters-where people are working together to help our customers see the world differently, and in doing so, be seen differently. Come be part of a mission, not just a job, where you can: Shape your own future, build the next big thing, and change the world.
To be eligible for this position, you must be a U.S. Person, defined as a U.S. citizen, permanent resident, Asylee, or Refugee.
Note on Cleared Roles: If this position requires an active U.S. Government security clearance, applicants who do not currently hold the required clearance will not be eligible for consideration. Employment for cleared roles is contingent upon verification of clearance status.
Export Control/ITAR:
Certain roles may be subject to U.S. export control laws, requiring U.S. person status as defined by 8 U.S.C. 1324b(a)(3).
Please review the job details below.
We are hiring immediately for an Aerospace Engineer - GNC who is passionate about working with spacecraft. This position will be hybrid, but the person we hire will need to live on the Front Range and be able to come into the Westminster, CO office three or more days per week.
The Navigation Systems team members are responsible for orbit determination, orbit prediction, orbit maintenance, and collision-avoidance operations, as well as the associated software development for Vantor's Earth Intelligence spacecraft constellation. Navigation Systems team members also support orbit design, development, integration, and testing of Vantor's next-generation spacecraft. As a Navigation Systems Engineer, you will work as part of larger multi-disciplinary teams that include spacecraft system engineers, ground system engineers, software engineers, and spacecraft operations teams.
In this role, you will demonstrate knowledge or experience in satellite Guidance, Navigation, and Control Systems (GNC). You will work to develop cloud-enabled navigation services while improving the underlying functionality of the service / scientific core.
Minimum Qualifications:
• Must be a U.S. citizen and willing/able to obtain/maintain a U.S. government security clearance.
• Bachelor's degree in engineering, math, physics, or related field, plus 5 years of related experience. Or Master's degree in engineering, math, physics, or related field, plus 3 years of related experience.
• Willing and able to support spacecraft operations during off-nominal hours (on-call).
• Experience in orbital mechanics, statistical estimation, and associated spacecraft navigation software development.
• Trained in astrodynamics, rotational kinematics, and feedback control systems
• Experience programming in C++, Matlab and Python
• Experience with Unix/Linux, Python, and GitHub.
• Excellent written & oral communication.
Preferred Qualifications:
• Experience with other estimation and analysis techniques such as Digital Filtering, Least Squares, or Monte Carlo analysis
• Experience or interest in Cloud Computing and associated technologies such as Docker, Kubernetes, and CI/CD
• Kalman filtering experience applied to attitude or orbit determination in either coursework or a professional setting
• Proven ability to work cross-functionally with both technical and non-technical groups.
• Superb problem-solving, root cause identification, Verification and Validation (V&V) skillsets.
• Strong background in Guidance, Navigation, and Control (GN&C) theory, algorithms, toolkits, automation, research, and/or applications.
• Experience in Spacecraft Trajectory Optimization and/or NASA's General Mission Analysis Tool (GMAT).
• Experience automating spacecraft maneuvers.
• Experience operating spacecraft utilizing electric propulsion.
#LI-MG1
Pay Transparency: In support of pay transparency at Vantor, we disclose salary ranges on all U.S. job postings. The successful candidate's starting pay will fall within the salary range provided below and is determined based on job-related factors, including, but not limited to, the experience, qualifications, knowledge, skills, geographic work location, and market conditions. Candidates with the minimum necessary experience, qualifications, knowledge, and skillsets for the position should not expect to receive the upper end of the pay range.
● The base pay for this position within Colorado is: $90,000.00 - $150,000.00 annually.
For all other states, we use geographic cost of labor as an input to develop market-driven ranges for our roles, and as such, each location where we hire may have a different range.
Benefits: Vantor offers a competitive total rewards package that goes beyond the standard, including a robust 401(k) with company match, mental health resources, and unique perks like student loan repayment assistance, adoption reimbursement and pet insurance to support all aspects of your life. You can find more information on our benefits at: ******************************
The application window is three days from the date the job is posted and will remain posted until a qualified candidate has been identified for hire. If the job is reposted regardless of reason, it will remain posted three days from the date the job is reposted and will remain reposted until a qualified candidate has been identified for hire.
The date of posting can be found on Vantor's Career page at the top of each job posting.
To apply, submit your application via Vantor's Career page.
EEO Policy: Vantor is an equal opportunity employer committed to an inclusive workplace. We believe in fostering an environment where all team members feel respected, valued, and encouraged to share their ideas. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, gender identity, sexual orientation, disability, protected veteran status, age, or any other characteristic protected by law.
$90k-150k yearly Auto-Apply 22d ago
Mechanical Engineer
Actalent
Senior mechanical engineer job in Aurora, CO
We are seeking a MechanicalEngineer to support the design of packaging and material handling equipment. The ideal candidate will be proficient in SolidWorks and experienced in detailing large-scale mechanical systems. A minimum GPA of 3.5 is required for consideration.
Why You Should Be Interested:
Significant organizational growth over the last 15 years
Laid‐back culture with strong work‐life balance
Collaborative team environment
Opportunity to work on innovative product development and engineering projects
Qualifications:
Bachelor's Degree in MechanicalEngineering
GPA of 3.5 or higher
Proficiency in SolidWorks
Experience with 2D drafting and 3D mechanical design
Prior experience detailing large systems is preferred
Familiarity with shop drawings and fabrication drawings
Experience creating and managing Bills of Materials (BOMs)
Pay: Starts at $25-28/hr for the first 6 months
Job Type & Location
This is a Contract to Hire position based out of Aurora, CO.
Pay and Benefits
The pay range for this position is $25.00 - $28.00/hr.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: • Medical, dental & vision • Critical Illness, Accident, and Hospital • 401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available • Life Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term disability • Health Spending Account (HSA) • Transportation benefits • Employee Assistance Program • Time Off/Leave (PTO, Vacation or Sick Leave)
Workplace Type
This is a fully onsite position in Aurora,CO.
Application Deadline
This position is anticipated to close on Jan 22, 2026.
About Actalent
Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 30,000 consultants and more than 4,500 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500.
The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.
If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing due to a disability, please email actalentaccommodation@actalentservices.com for other accommodation options.
$25-28 hourly 2d ago
Staff AI/ML Engineer, Payments & Risk Platform
Gusto 4.5
Senior mechanical engineer job in Denver, CO
A modern financial technology company is seeking a Staff Applied AI and Machine Learning Engineer in Seattle. You will lead the development of machine learning models to enhance risk management within a primarily payments-focused environment. Ideal candidates have over 8 years of experience in data science, expertise in statistical analysis, and strong programming skills in Python or R. This role requires effective communication and collaboration across diverse teams, offering an opportunity to make a significant impact on product development.
#J-18808-Ljbffr
$64k-105k yearly est. 4d ago
Project Engineer
Phillips Infrastructure 3.7
Senior mechanical engineer job in Denver, CO
The Project Engineer is responsible for planning, developing, coordinating, and managing engineering activities for multiple construction projects. This role provides technical expertise and project oversight, ensuring that all administrative and engineering aspects align with project goals. Working closely with internal teams and external partners, the Project Engineer plays a critical role in optimizing processes, ensuring regulatory compliance, and maintaining alignment between project plans and on-site execution. This position supports multiple concurrent projects while gradually taking on leadership responsibilities, with the potential for career advancement into a management role.
Essential Duties And Responsibilities
Generate work plans, project schedules, submittal data, CAD drawings, etc.
Track project quantities and generate project billing. Assist field personnel, Project Superintendents, Foreman, and Crews to coordinate work effectively and resolve problems.
Participate in and support up to 10 concurrent projects.
Provide regular updates to clients on project status, timelines, and key developments.
Develop, implement, and optimize processes to improve efficiency and productivity.
Work closely with field employees to ensure alignment between project plans and on-site execution.
Assist in budgeting, scheduling, and resource allocation.
Ensure compliance with industry regulations, company policies, and safety standards.
Coordinate material procurement, supplier relationships, and quality control efforts.
Analyze data and generate reports to support informed decision-making.
Gradually take on more leadership responsibilities with the potential to transition into a management role.
Requirements
Must live near or be willing to relocate to the Denver Metro area.
Strong problem-solving skills and the ability to work independently.
Experience working on multiple projects simultaneously.
Excellent communication, interpersonal, and leadership skills.
Ability to learn quickly and adapt to evolving responsibilities.
Strong organizational and time-management skills.
Education And Experience
Bachelor's degree in Engineering, Construction Management, or a related field.
Experience with advanced reporting and analytics tools (Power BI, SQL, Python, etc.) is a plus.
Previous leadership or mentorship experience is a plus.
Experience with mass earthwork or foundation projects is a plus.
Candidates that accept an offer of employment are required to undergo and successfully complete a pre-employment physical examination. This exam is essential to ensure that all potential employees meet the necessary health and fitness standards for the role. The examination includes a series of tests and evaluations conducted by a certified medical professional to assess overall physical health, identify any potential medical conditions that could interfere with job performance, and verify that the candidate is capable of safely performing the essential duties of the position.
Completion and clearance of this physical are mandatory steps in the hiring process.
$68k-91k yearly est. 1d ago
Principal Mechanical Engineer I
Cesiumastro 3.2
Senior mechanical engineer job in Westminster, CO
Job Description
Please Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State.
At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team.
We are looking to add a Principal MechanicalEngineer I to our team. If you are great at what you do, enjoy working in a startup environment, and are passionate about developing leading-edge hardware for satellites, spacecraft, and aerospace systems, we would like to hear from you.
In this position, you will be responsible for mechanical designs of Cesium products through all phases of the development process. The ideal candidate will be proficient in electronics packaging design, mechanical simulations and analyses, computer-aided design (CAD), aircraft mechanical interfaces, and environmental qualification of electronic assemblies (MIL-STD-810 and DO-160G).
As a Cesium mechanical team member, you will be responsible for mechanical designs from initial concept design through requirements definition, detailed design, simulation, analysis, manufacturing, testing, qualification, and field support of Cesium's products. Required skills and experience include thermal management design, precision machining principles, thermal simulation and analysis, shock and vibration simulation and analysis, electromagnetic interference/compatibility (EMI/EMC) mitigation techniques, environmental compatibility analysis, geometric dimensioning and tolerancing (GD&T), finite element analysis (FEA), and cost analysis to develop, validate, and optimize mechanical designs.
The successful candidate will also present engineering design review materials to our customers and leadership team, as well as participate in proposal-writing efforts. As such, excellent written and verbal communication skills are required. JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS
Bachelor of Science (BS) or Master of Science (MS) degree in Mechanical or Aerospace Engineering from an accredited university or institution.
Minimum of 9 years of industry experience in design and analysis of avionics or ruggedized embedded electronics packaging, including thermal, vibration, and stress dynamics or in aircraft structures and mechanisms. A Master's degree may count as two years of experience.
Familiarity with electronics assemblies and experience working closely with electrical engineers.
Familiarity with design for test, manufacturability, assembly, and reliability.
Experience with CAD software packages, such as SolidWorks.
Experience with professional mechanical and FEA CAD tools, such as Ansys.
Experience with CNC manufacturing.
Experience with EMI/EMC mitigation techniques.
Excellent written and verbal communication skills.
PREFERRED EXPERIENCE
Aerospace industry design, development, and qualification.
Proven experience as a technical lead on a program or project.
Experience with aircraft/airframe integration.
Experience with FAA certification to DO-160G requirements or environmental qualification to MIL-STD-810 requirements.
CesiumAstro considers several factors when extending an offer, including but not limited to, the role and associated responsibilities, a candidate's work experience, education/training, and key skills. Full-time employment offers include company stock options and a generous benefits package including health, dental, vision, HSA, FSA, life, disability and retirement plans. CesiumAstro is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected Veteran Status, or any other characteristic protected by applicable federal, state, or local law.
Please note: CesiumAstro does not accept unsolicited resumes from contract agencies or search firms. Any unsolicited resumes submitted to our website or to CesiumAstro team members will be considered property of CesiumAstro, and we will not be obligated to pay any referral fees.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
$99k-129k yearly est. 6d ago
Principal Mechanical Engineer - Structural and Vibration Analyst
Red 6 3.7
Senior mechanical engineer job in Louisville, CO
Red 6 is an innovative Augmented Reality (AR) technology startup leading the way in synthetic air combat training. Our primary technology, supporting our ATARS product, enables pilots to simulate the cognitive challenges of flying while accessing realistic, scalable training in dynamic outdoor environments.
The Role
Red 6 Technologies is seeking an experienced Principal MechanicalEngineer - Analyst to conduct detailed analysis of advanced hardware for military jet and rotary-wing aircraft. The ideal candidate will have a strong background in structural and vibration analysis, as well as experience with thermal and CFD modeling, military environmental standards, and opto-mechanical systems.
This role provides an opportunity to work on innovative technologies in augmented reality (AR), virtual reality (VR), and advanced optical sensor systems, helping redefine how pilots and warfighters train and operate.
Key Responsibilities
Lead, grow, and mentor a team of Mechanical Analysis Engineers, provide technical guidance, design leadership, and foster a collaborative and innovative work environment.
Perform detailed structural, vibration, and modal analyses of aerospace hardware to ensure reliability and compliance with design and environmental requirements.
Conduct shock and dynamic analyses, including steady-state and transient vibration regimes.
Conduct CFD analyses to evaluate system performance in highly dynamic fluid flow events.
Develop finite element models and simulations using ANSYS Workbench, verifying analytical results through test data correlation.
Analyze and design electronic packaging and structural components for extreme operational conditions.
Work closely with Mechanical, Optical, Electrical, Product, and Systems Engineering teams to develop integrated, flight-qualified hardware.
Ensure compliance with relevant military and aerospace standards, including MIL-STD-810, MIL-STD-516, AS9100, and MMPDS specifications.
Support environmental test procedure development and assist in the execution and oversight of testing programs.
Participate in design reviews, documentation generation, and technical reporting for internal and customer stakeholders.
Required Qualifications
Bachelor of Science in Mechanical, Aerospace, or Civil Engineering.
Strong leadership skills with a proven track record of successful team leadership, team building and project leadership.
10+ years of experience in stress and structural analysis for aerospace or military systems.
10+ years of experience using Finite Element Analysis (FEA) and Computer-Aided Design (CAD) software.
Proven experience in vibration and shock analyses, including steady-state and transient regimes.
Experience with electronic packaging and structural integrity assessment for aerospace applications.
Proven experience maintaining industrial design intent; ensuring that structural and thermal solutions align with aesthetic goals, user experience requirements, and product brand identity.
Proficiency in CAD software (CREO or SolidWorks Preferred) and other relevant engineering tools.
Hands-on experience applying MIL-STD-810 and similar environmental test method standards.
Familiarity with material, design, process, and quality specifications such as MMPDS and AS9100.
Strong communication skills and ability to document and present technical findings effectively.
Must be able to commute or move to Louisville, Colorado. On-site work required (relocation negotiable).
Qualified candidate must have the ability to obtain a security clearance. This requires U.S. Citizenship.
Preferred Qualifications
Master of Science in Mechanical or Aerospace Engineering.
Experience in the design and analysis of military hardware for airborne or defense platforms.
Experience designing and analyzing for weight reduction and structural optimization a plus.
Proficiency in ANSYS Workbench for structural, modal, and thermal analyses.
Familiarity with aerospace and optical materials, including adhesives, composites, and coatings.
Experience developing environmental testing procedures and overseeing qualification tests.
Working knowledge of military airborne platforms and environmental operating conditions.
Experience with AR/VR systems, optical sensors, and precision opto-mechanical alignment.
Full-Time Employee Benefits
Healthcare, Dental, and Vision (100% coverage for Employees)
Paid time off, including vacation, sick, paid holidays, and parental leave
Short and Long-Term Disability
Flexible Spending Account (FSA)
401(k) Retirement Plan
Voluntary Worksite Benefits (Accident, Critical Illness, and Hospital Indemnity)
Note
Red 6 reserves the right to change its current benefits program at any time, in a manner that is consistent with applicable federal and state regulations.
This is not a contract and confers no contractual rights, privileges, or benefits on any applicant or potential applicant. Red 6 has the right to change any and all terms of this , including, but not limited to, job responsibilities, qualifications, and benefits. Nothing in this job description constitutes an offer or guarantee of employment.
Red Six Aerospace, Inc, is an Equal Opportunity Employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by law.
California: **********************************************
Colorado: ***********************************
Florida: *************************************************
Under the California Consumer Privacy Act (“CCPA”), Red 6 Aerospace, Inc. operating company you are applying to work for (hereinafter, “we”, “our”, or “us”) may collect personal information and use it for certain business purposes as described below in this Job Applicant and Employee Privacy Notice. We are required to disclose the following information to California “consumers” regarding our collection of their personal information. Under the CCPA, “consumers” means California residents, including job applicants, employees, or contractors of a business.
Candidate Privacy Notice
How much does a senior mechanical engineer earn in Littleton, CO?
The average senior mechanical engineer in Littleton, CO earns between $74,000 and $130,000 annually. This compares to the national average senior mechanical engineer range of $79,000 to $136,000.
Average senior mechanical engineer salary in Littleton, CO
$98,000
What are the biggest employers of Senior Mechanical Engineers in Littleton, CO?
The biggest employers of Senior Mechanical Engineers in Littleton, CO are: