Senior Avionics Test Engineer - From Prototype to Production

Castelion; Rio Rancho (NM); On-site; USD 110,000 - 160,000; Full time

Benefits offered by this job

Benefits package

Job summary

Castelion is seeking a Senior Avionics Test Engineer to architect and execute the full set of hardware tests, moving avionics from prototype to production. You will own test requirements, develop automated test equipment, and validate performance across power electronics, RF, and digital interfaces.

You will design fixtures, build test stations, support DVT and qualification, and define the test envelope for components and sub-systems.

Qualifications

• B.S./M.S. in Electrical, Mechanical, Mechatronics, Aerospace, or related fields.
• Experience testing high‑power subsystems, high‑speed digital interfaces, actuators, or RF hardware.
• Hands‑on experience developing automated test equipment using instruments like 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

Embedded control systems

Python

C++

Test automation

RF testing

CAN

RS-422/485

Instrumentation & data acquisition

Education

B.S./M.S. in Electrical, Mechanical, Mechatronics, Aerospace

Tools

Oscilloscopes

DMMs

Power supplies

Loads

Switch matrices

Network analyzers

Job description

Castelion is seeking a Senior Avionics Test Engineer to architect and execute the full set of hardware tests, moving avionics from prototype to production. You will own test requirements, develop automated test equipment, and validate performance across power electronics, RF, and digital interfaces.

You will design fixtures, build test stations, support DVT and qualification, and define the test envelope for components and sub-systems.