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Salary
≈ $45k – $80k per year (Estimated)
Location
In office (Austin)
Seniority
Middle · 3+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Sep 24, 2026. First seen by Alion on Sep 23, 2026. CesiumAstro scores B 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 an Test Technician III to our team. If you are excited about working in a startup environment, have a strong work ethic, and are passionate about cutting-edge electronics, we would like to hear from you.

In this position, you will work closely with CesiumAstro engineers to create module & payload performance test setups, execute test plans, and produce timely, reliable test results. You will have the opportunity to use and maintain state-of-the-art electronics lab instrumentation, such as spectrum analyzers, VNAs, automated power supplies, and more. You will be challenged to propose and fabricate intricate test setups to increase productivity and improve test results.

Many of our products include active phased arrays (a.k.a. active electronically scanned arrays, or AESAs). These are antenna products with active RF circuitry integrated with the antenna. This adds complexity to the test architecture, including power, digital control, and thermal effects. As such, direct experience with phased array (or AESA) testing is preferred.

Core day-to-day activities will include aligning with engineers to test and troubleshoot complex electronics and RF circuitry from component level to system level. As such, the ability to understand and work from drawings, diagrams, schematics, and test procedures is key.

As a small company, the CesiumAstro team “wears many hats.” Candidates should be comfortable with a varied workflow that may involve multitasking between test setup creation, test execution, lab organization, and other related tasks.

JOB DUTIES AND RESPONSIBILITIES

  • Execute test plans and provide concise and timely reporting of findings.
  • Organize and maintain antenna testing facilities and resources.
  • Create clean, intricate, and well-documented test setups consisting of instrumentation, cabling, and the devices under test.
  • Create thorough documentation with meticulous attention to detail and a high standard of quality.
  • Assemble & validate custom test fixtures, cable harnesses, etc. for supporting test station development for production and product validation.
  • Perform measurement validation on test solutions to validate the performance of the instruments, cabling etc.

JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS

  • High School Diploma required; Associate of Applied Science (AS) degree in Electronics, Computer Science, Manufacturing, or related preferred.
  • A minimum of 3 years of relevant work experience.
  • Experience working with active electronics.
  • Ability to read and understand schematics as well as mechanical assembly documentation.
  • Ability to create documentation in support build and release of test solutions.
  • Ability to solder, build and rework Printed Circuit Boards, Cabling and a familiarity with Automated Test Systems.
  • Hands-on experience with lab instruments such as spectrum analyzers, RF signal. generators, and vector signal analyzers, DMMs, Oscilloscopes, etc.
  • Ability to work with a variety of electronics equipment and a keen eye for troubleshooting issues.
  • Strong organization skills.
  • Comfortable with collaboration tools such as MS Teams, Confluence, and Jira.
  • Must be hands-on and resourceful, possess a strong work ethic, and be attentive to current and future customer requirements, both internal and external. The individual must have the intellect and team skills to work among capable, results-oriented peers.
  • Ability to work well under deadlines.
  • Strong digital, written, and verbal communication skills

PREFERRED EXPERIENCE

  • Experience with electronics in aerospace or a related industry.
  • Technical proficiency with analog and digital electronic/electrical principles.
  • Familiarity with Python and the ability to read and make small changes to simple scripts.
  • Experience with test automation such as LabView.
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