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Salary
$158k – $189k per year
Location
In office (Westminster)
Seniority
Staff · 8+ years exp
Visa
H-1B filings in 12 months: 2
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 26, 2026. First seen by Alion on Sep 29, 2026. CesiumAstro scores A on the Alion truth index.

Overview
Company
Impact
Profile match
CesiumAstro is an American company founded in Austin in 2017 that builds active phased array communications payloads for satellites, aircraft and defence platforms. Its systems are software-defined and electronically steered, which lets a moving platform track several links at once without mechanical antennas, and the company manufactures them in house rather than integrating third-party subsystems. It sells mainly to defence customers and satellite operators, has raised venture funding from investors including Airbus Ventures and Lightspeed, and operates facilities in Austin, Colorado and the United Kingdom.

We are looking to add a Staff Assembly, Integration & Test (AIT) Engineer 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 8 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.
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