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Apex Technology

Avionics Test Engineer, Hardware

Los Angeles$110k–$165kfulltimemidAdded yesterday

About this role

Join Apex's avionics test team to design, build, and operate integrated spacecraft test environments for commercial satellite buses. This hands-on hardware test engineering role combines system-level validation, RF testing, and cross-functional project leadership in a fast-growing aerospace manufacturing company.

What you'll do

  • Build and maintain bus-level and component-level test racks, including configuration and troubleshooting
  • Lead hardware integration activities such as harnessing, fixturing, and mechanical/electrical interface validation
  • Execute functional checkouts, acceptance testing, environmental screening, and integrated system validation campaigns
  • Perform RF and avionics validation testing including antenna characterization, S-parameter measurements, and thermal vacuum operations
  • Own test setup documentation including diagrams, BOMs, DVPs, and procedures
  • Lead medium cross-functional or large function-specific test projects end-to-end with stakeholder communication

What they're looking for

  • Laboratory instrumentation (oscilloscopes, multimeters, power supplies, DAQ systems, VNAs, signal analyzers)
  • Hardware integration and troubleshooting
  • RF testing and antenna characterization
  • Avionics communication protocols (UART, SPI, CAN)
  • Test documentation and Design Verification Plans
  • Environmental testing (EMI/EMC, vibration, thermal cycling, TVAC)
  • Technical project leadership and cross-functional coordination
  • Embedded systems and flight hardware experience
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Apex Technology

Apex Technology builds commercial spacecraft and satellite bus platforms for earth observation and communications missions. The company is hiring across platform engineering, cloud security, mission operations, and RF systems design to support its aerospace manufacturing and satellite operations.

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Likely interview questions

  • Walk us through your experience building and troubleshooting integrated test racks—what was the most complex setup you've owned?
  • Describe a time you identified a critical hardware or test setup failure using lab instrumentation. How did you diagnose and resolve it?
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