Principal Assembly, Integration & Test Engineer
On-site
Westminster, CO
Full-time
Principal
9+ yrs
Salary not listedPosted 4w ago
Real job — pulled straight from CesiumAstro’s careers page · Verified July 15, 2026 · No reposts.
Job description
CesiumAstro is hiring a Principal Assembly, Integration & Test Engineer — a full-time, based in Westminster, CO role. Apply directly on CesiumAstro's careers page below.
Principal Assembly, Integration & Test (AIT) Engineer I - EGSE
Team: Test
Location: Westminster, CO
Commitment: Full-time
Workplace Type: onsite
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 Assembly, Integration & Test (AIT) Engineer I emphasizing in Electrical Ground Systems Test to our team, providing expertise and peer leadership, with daily work in the labs supporting AI&T operations. If you are excited about working in a dynamic environment and are passionate about developing critical test systems for leading-edge spacecraft and aerospace communication systems, we would like to hear from you. The satellite team is creating a new business pipeline consisting of committed internal investments as well as future business contracts. Become part of CesiumAstro’s growth, success, and future!
JOB DUTIES AND RESPONSIBILITIES
- Define requirements, designs, and provide ongoing support for electrical ground support equipment (EGSE) development for testing a satellite.
- Work with Systems Engineering to establish test plans and maintain requirements verification test matrix.
- Work with Program Management to build AI&T schedules that inform master schedules.
- Support on-orbit mission operations with knowledge gained from integration/test activities.
- Validate all electrical interfaces between test equipment and flight hardware.
- Provide expert guidance and peer review for satellite assembly, integration, and test campaigns.
- Develop and execute acceptance/qualification testing activities including, but not limited to, vibration, acoustic, shock, propulsion static fires, EMI/EMC, RF, self compatibility, ground compatibility, day in the life (DITL), and thermal vacuum testing.
- Lead anomaly reporting as well as root cause and corrective action implementation in a manner that indicates sound engineering judgement and applies excellent communication skills.
- Troubleshoot electrical issues during sub-system, and component integration and test.
- Lead and participate in integration and test readiness reviews along with post-operational briefings.
- Analyze, document, and present integration and test data to support verification activities.
- Author test procedures and lead/conduct test activities.
- Support satellite AI&T and launch operations effort (including the sequence of activities, required facilities, special test equipment, personnel, schedule, risks, and opportunities).
- Work both independently and in teams to achieve integration and test objectives.
- Identify, support, and help enforce safety policies and practices for assembly, integration, and test activities.
- Work onsite in the lab and cleanroom daily for AI&T operations.
JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS
- Minimum of a B.S. degree in aerospace, electrical, or related engineering discipline.
- Minimum of 9 years experience including prior significant roles on spacecraft or related systems assembly, integration and test operations.
- Must have prior experience in multiple stages of satellite and component/GSE development including early design for test, test operations, and operational missions.
- Experience in requirements management, system design, integration, and test.
- Proficiency in at least one scripting language such as Python, with willingness to learn new ones.
PREFERRED QUALIFICATIONS
- Test experience with RF communication systems.
- Test experience with EMI/EMC compatibility and mitigation.
- Experience using COSMOS and Grafana.
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.
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Frequently asked questions
What skills are required for Principal Assembly, Integration & Test Engineer at CesiumAstro?
The required skills for Principal Assembly, Integration & Test Engineer at CesiumAstro include: Assembly, Python, Grafana.
What is the seniority level for Principal Assembly, Integration & Test Engineer at CesiumAstro?
Principal Assembly, Integration & Test Engineer at CesiumAstro is a Principal level position.
How do I apply for Principal Assembly, Integration & Test Engineer at CesiumAstro?
You can view the full description and apply for Principal Assembly, Integration & Test Engineer at CesiumAstro on EchoJobs: https://echojobs.io/job/cesiumastro-principal-assembly-integration-test-ait-engineer-i-egse-ulnmp.