Senior Staff Mechanical Engineer

CesiumAstro, Inc.; Denver (CO); On-site; USD 158,000 - 189,000; Full time

Benefits offered by this job

Stock options

Health benefits

Dental insurance

Vision insurance

HSA

FSA

Life insurance

Disability insurance

Retirement plans

Job summary

CesiumAstro, Inc. in Denver, CO, is seeking a senior spacecraft mechanical engineer to lead flagship mechanical development efforts across design, analysis, and integration. You will own major design decisions and guide cross‑functional teams through full development cycles.

The role emphasizes hands‑on testing, DFx, GD&T, and collaboration with structures, thermal, mechanisms, and electrical teams to deliver robust, manufacturable spacecraft hardware.

Qualifications

• BS or MS in Mechanical Engineering, Aerospace Engineering, or related technical field.
• 12+ years of relevant experience.
• Technical leadership of spacecraft mechanical development and ownership of major design decisions.

Skills

Technical leadership

Multidisciplinary mentoring

System-level design trades

DFx (design for manufacturing, etc.)

Mechanical drawing practices

Hands-on integration and testing

Cross-functional coordination

Education

BS or MS in Mechanical or Aerospace Engineering

Tools

SolidWorks

Ansys

Nastran

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.

Job Requirements And Minimum Qualifications

• BS or MS in Mechanical Engineering, Aerospace Engineering, or a related technical field.
• 12+ years of relevant experience.
• Demonstrated technical leadership of spacecraft mechanical development, including ownership of major design decisions and successful execution through one or more full development cycles.
• Experience leading and mentoring multidisciplinary mechanical teams and coordinating across structures, thermal, mechanisms, electrical, manufacturing, analysis, and AI&T.
• Strong understanding of spacecraft mechanical architecture, structural design, mechanical interfaces, and system-level design trades
• Hands-on experience supporting spacecraft integration, environmental testing, and resolution of vehicle-level technical challenges
• Strong knowledge of design for manufacturing, assembly, test, reliability, GD&T, and mechanical drawing practices.

Preferred Experience

• Experience supporting vibration, shock, and TVAC campaigns
• Experience with spacecraft primary and secondary structures, including metallic and/or composite designs
• Familiarity with common mechanical CAD and analyses tools such as SolidWorks, Ansys, Nastran, or equivalent.

$158,000 - $189,000 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 and identifying potential inconsistencies or verification signals in application materials based on available information. 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.