Senior Mechanical Engineer
This posting asks for U.S. citizenship.
About the role
**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 Senior Mechanical Engineerto our team. In this role you will develop the design, analysis, integration, and testing of mechanical systems and hardware supporting complex products and platforms. This role contributes to product development by resolving moderately complex mechanical engineering challenges, evaluating system performance, and supporting engineering decisions that ensure products satisfy engineering, manufacturing, quality, reliability, and mission requirements.
Working cross-functionally with engineering, manufacturing, quality, supply chain, and operations teams, the Senior Mechanical Engineer supports mechanical engineering activities throughout the product development lifecycle.
JOB DUTIES AND RESPONSIBILITIES
- Develop mechanical components, assemblies, structures, mechanisms, and hardware supporting complex products and manufacturing activities.
- Conduct engineering analyses, structural evaluations, tolerance studies, thermal assessments, and design trade studies supporting mechanical engineering activities.
- Evaluate engineering drawings, CAD models, specifications, and technical documentation to support mechanical design decisions.
- Develop and conduct mechanical testing, verification, qualification, and validation activities supporting engineering and manufacturing objectives.
- Evaluate engineering data, test results, inspection findings, manufacturing information, and product performance to resolve moderately complex mechanical engineering challenges.
- Recommend root cause investigations, engineering changes, corrective actions, and design improvements supporting product reliability and manufacturability.
- Collaborate with engineering, manufacturing, quality, supply chain, and operations teams to support mechanical engineering activities across multiple programs.
- Develop engineering drawings, 3D models, technical reports, design documentation, bills of materials, engineering change documentation, and engineering recommendations.
- Provide mechanical engineering guidance during design reviews, engineering investigations, manufacturing reviews, and product development activities.
- Evaluate mechanical engineering methodologies, design practices, engineering standards, and product development processes to identify opportunities for improvement.
- Support continuous improvement initiatives that strengthen product performance, manufacturability, reliability, quality, and engineering effectiveness.
- Recommend improvements to mechanical designs, engineering documentation, development processes, and validation activities.
JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS
- Bachelor's degree in mechanical engineering, aerospace engineering, civil engineering, industrial design, engineering technology, or a related technical field with 5–8 years of related experience, or Master's degree with 3–6 years of related experience, or PhD with 0–3 years of related experience in mechanical engineering, structural analysis, stress analysis, CAD, product design, or a related engineering discipline.
- In-depth knowledge of mechanical engineering principles, machine design, mechanical systems, and product development practices.
- Extensive experience designing mechanical components, assemblies, structures, mechanisms, and manufacturing solutions supporting complex products.
- Strong understanding of engineering analysis, structural analysis, tolerance analysis, GD&T, testing, manufacturing processes, and product verification methods.
- Demonstrates the ability to resolve moderately complex mechanical engineering challenges through sound engineering analysis and technical evaluation.
- Exercises sound judgment while providing mechanical engineering guidance and recommending technical solutions.
- Proficiency with Microsoft Office Suite including Outlook, Word, Excel, PowerPoint, and Teams.
- Mechanical design, CAD, simulation, and engineering analysis tools, e.g. SolidWorks, Creo, ANSYS, MATLAB, or equivalent applications.
- Engineering documentation, PLM, ERP, and collaboration tools, e.g. Windchill, SAP, Jira, or equivalent applications.
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.
Copied from the listing CesiumAstro published, verified 30 Oct 2026.
The application
Your details and CV, then 8 questions.
- 1.As a result of the work performed by CesiumAstro, all eligible candidates must be a U.S. Person or able to obtain an export license. U.S. Persons include U.S. Citizens, Permanent Residents, conditional residents, asylees, and refugees. AreYes or no
- 2.Do you now or will you in the future require sponsorship for employment visa status? Please select "Yes" if you will require the Company to commence ("sponsor") an immigration or work permit case in order to employ you, either now or at somYes or no
- 3.Do you have a family member that is currently employed with CesiumAstro?Yes or no
- 4.If yes, please specify the individual(s) and the department or location in which they work:Short answer · optional
- 5.Please indicate the highest level of education you have completed.Pick one (7 options)
- 6.Please select which of the following security clearances and/or access you currently hold.Pick any (8 options)
- 7.By submitting your application you hereby certify that the facts set forth in the above employment application are true and complete to the best of your knowledge. I certify that the information on this application is accurate and completePick any: Yes, I have read the Applicant Authorization and Certification and I acknowledge and agree with the terms stated above.
- 8.I have applied for employment with CesiumAstro, Inc. (the “Company”). In consideration of the Company's accepting and evaluating my application for employment, I hereby agree that I will comply with and be legally bound by the following terPick any: I agree with the above obligations related to protection of Proprietary Information.
Taken from the application form CesiumAstro runs, verified 30 Oct 2026.
How to apply to CesiumAstro: the questions its forms ask across its open roles.
About CesiumAstro
Software-defined radios, phased-array payloads and satcom terminals for space and defense.
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