Senior Environmental Test 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 Environmental Test Engineer ** to our team. If you are excited about working in a startup environment and are passionate about developing critical test systems for leading-edge satellite, spacecraft, and aerospace communication systems, we would like to hear from you.
In this position, you will develop and implement test procedures for dynamic and thermal environmental testing of CesiumAstro components and systems. You will be responsible for leveraging design for testability and continuous improvement to deliver space-grade electronics and structures without compromising personnel safety or product reliability. A successful candidate for this role will demonstrate integrity, intellectual curiosity, empathy, technical capability, and a strong motivation to support environmental test.
JOB DUTIES AND RESPONSIBILITIES
- Create hardware test procedures, ensure test readiness, unblock issues that arise during test campaigns, etc. in support of our environmental test resources.
- Develop standard operating procedures for environmental test technicians.
- Establish and increase the efficiency of environmental test processes to maximize output, limit burden, and enable products to rapidly transition from engineering development to production.
- Identify improvement opportunities and execute initiatives to maintain safe operations, ensure product quality, reduce lead time/labor hours, etc. through environmental test.
- Identify, implement, and qualify environmental test equipment and processes in support of high reliability and throughput production.
- Troubleshoot and identify ultimate root cause of issues in environmental test processes (hardware defects, test equipment anomalies, software problems, etc.), and implement permanent corrective actions.
- Enable production autonomy understanding requirements, simplifying work processes, and automating actions.
- Develop test equipment automation to improve efficiency of environmental test processes and maximize throughput.
JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS
- Bachelor's degree in an engineering discipline and a minimum of 5 years related experience.
- Experience in a hardware test environment for the Aerospace industry.
- Experience operating/maintaining thermal chambers, TVAC chambers, and/or vibration shakers.
- Experience with test instrumentation (i.e. thermocouples, accelerometers, pressure transducers, etc.)
- Strong written and verbal communication skills.
- Demonstrated ability to collaborate with peers.
- Familiarity with RTCA DO-160G, MIL-STD-xxx, GEVS, SMC, etc.
- Experience in the aerospace industry.
PREFERRED EXPERIENCE
- Demonstrated ability to scale production rate capability.
- Experience performing RTCA DO-160 aerospace environmental qualification campaigns for humidity, waterproofness, icing, sand and dust, salt fog, temperature and altitude, acceleration, operational shock and crash safety, vibration, and fluids susceptibility.
- Demonstrated experience with hardware automation using Python, C++, or similar.
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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