USD 150000–180000/yr

Principal Assembly, Integration & Test (AIT) Engineer I - EGSE

United StatesWestminsterFull-timelead
OtherPrincipal
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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,

Technical Tools
OtherPrincipal
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!
  • 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.
  • 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.
  • Test experience with RF communication systems.
  • Test experience with EMI/EMC compatibility and mitigation.
  • Experience using COSMOS and Grafana. 
  • Listing Details

    Posted
    February 25, 2026
    First seen
    March 26, 2026
    Last seen
    April 24, 2026

    Posting Health

    Days active
    28
    Repost count
    0
    Trust Level
    42%
    Scored at
    April 24, 2026

    Signal breakdown

    freshnesssource trustcontent trustemployer trust
    Cesiumastro
    Employees
    350
    Founded
    2017
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    CesiumastroPrincipal Assembly, Integration & Test (AIT) Engineer I - EGSEUSD 150000–180000