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Principal Assembly, Integration & Test; AIT Engineer - EGSE

Job in Westminster, Adams County, Colorado, 80035, USA
Listing for: CesiumAstro
Full Time position
Listed on 2026-06-02
Job specializations:
  • Engineering
    Aerospace / Aviation / Avionics, Systems Engineer, Test Engineer, Electrical Engineering
Job Description & How to Apply Below
Position: Principal Assembly, Integration & Test (AIT) Engineer I - EGSE
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 Cesium Astro, 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, Cesium Astro 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 Cesium Astro'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…
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