Senior Avionics Hardware Test Engineer

Doist; Los Angeles (CA); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Healthcare

PTO

401(k) matching

Parental leave

Lunch

Community events

Desk setup

Playa Vista office

Job summary

Apex Technology, Inc. is seeking a Hardware Test Engineer to join our avionics test team.

You will build and validate test racks, perform system-level and component-level testing, and troubleshoot flight hardware in development and integration workflows. You will collaborate with electrical, mechanical, RF, and systems engineers to execute qualification campaigns, document results, and ensure robust test coverage for spacecraft hardware.

Qualifications

• Bachelor’s degree in Electrical Engineering, Aerospace Engineering, Physics, or related field.
• 5+ years of professional experience in aerospace hardware or electronics testing.
• Hands-on experience with laboratory instrumentation and hardware bring-up.
• Familiarity with avionics hardware and embedded communication protocols: UART/SPICAN/I²C
• Experience troubleshooting integrated electrical systems and test setups
• Strong understanding of hardware integration and validation workflows
• Excellent problem-solving and communication skills
• Must be a U.S. Person (U.S. Citizen or Green Card holder) in accordance with ITAR requirements

Responsibilities

• Own the build, configuration, and maintenance of bus-level and/or component-level test racks
• Lead hardware integration activities including harnessing, fixturing, rack integration, and mechanical/electrical interface validation
• Own troubleshooting of flight hardware and test setup failures using laboratory instrumentation including oscilloscopes, multimeters, power supplies, DAQ systems, VNAs, and vector signal analyzers/generators
• Support Flatsat operation and maintenance activities as needed
• Execute and document functional checkouts, acceptance testing, environmental screening, and integrated system validation
• Support environmental and qualification campaigns including EMI/EMC, vibration, thermal cycling, and TVAC
• Execute RF and avionics validation testing for antennas, radios and transceivers, GNSS systems, LNAs and PAs, RF switches, and couplers and power dividers
• Perform near-field antenna testing, cable loss characterization, S-parameter measurements, and insertion loss analysis
• Support RF testing in thermal vacuum environments, including understanding of corona and multipactor considerations
• Own test setup documentation including test setup diagrams, bills of materials (BOMs), harnessing documentation, and configuration records for component- and bus-level test racks
• Author and maintain Design Verification Plans (DVPs), procedures, and test documentation

Skills

Aerospace hardware testing

Hands-on instrumentation

Troubleshooting electrical systems

Hardware integration

Problem-solving

Communication skills

Education

Bachelor’s degree in Electrical Engineering, Aerospace Engineering, Physics, or related field

Tools

Oscilloscopes

Multimeters

Power supplies

DAQ systems

VNAs

Vector signal analyzers/generators

Job description

Apex Technology, Inc. is seeking a Hardware Test Engineer to join our avionics test team.

You will build and validate test racks, perform system-level and component-level testing, and troubleshoot flight hardware in development and integration workflows. You will collaborate with electrical, mechanical, RF, and systems engineers to execute qualification campaigns, document results, and ensure robust test coverage for spacecraft hardware.