Avionics Test Engineer: Design & Validate Flight Systems

Castelion Corporation; Torrance (CA); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Benefits package

Job summary

Castelion Corporation seeks an Avionics Test Engineer to architect and execute the full suite of hardware test capabilities, moving avionics and control systems from prototype to production. You will own test requirements, develop automated test equipment, and collaborate across electrical, controls, software, and mechanical teams.

Responsibilities include designing fixtures, validating performance across RF, digital, and mechanical domains, and leading failure analysis.

Qualifications

• B.S./M.S. in Electrical, Mechanical, Mechatronics, Aerospace or related.
• Experience testing high‑power subsystems, high‑speed digital interfaces, actuators, or RF hardware.
• Hands‑on experience developing automated test equipment using instruments such as oscilloscopes, DMMs, power supplies, loads, switch matrices, network analyzers, etc.
• Familiarity with embedded control systems and interfaces (CAN, RS‑422/485, SPI, Ethernet)
• Experience with instrumentation control and data acquisition (Python, C++, protobufs, scripting)
• Ability to work independently and lead cross‑functional test integration

Responsibilities

• Develop and execute test plans at component, subassembly, and integrated system levels
• Design and build test fixtures, HIL environments, and automated test rigs
• Validate hardware performance across electrical, digital, mechanical, and RF metrics
• Instrument and log tests to ensure precision and traceability
• Lead failure analysis and root‑cause investigations
• Support hardware teams by feeding test results back into design cycles
• Drive qualification and environmental test campaigns (thermal, vibe, EMI)
• Deploy and validate automated test equipment for boards and sub‑systems

Skills

Power electronics

RF testing

Embedded controls

Instrumentation & data acquisition

Python

C++

Test automation

Test engineering

Education

Electrical/Mechanical/Aerospace degree

Tools

Oscilloscopes

DMMs

Power supplies

Loads

Switch matrices

Network analyzers

Job description

Castelion Corporation seeks an Avionics Test Engineer to architect and execute the full suite of hardware test capabilities, moving avionics and control systems from prototype to production. You will own test requirements, develop automated test equipment, and collaborate across electrical, controls, software, and mechanical teams.

Responsibilities include designing fixtures, validating performance across RF, digital, and mechanical domains, and leading failure analysis.