Role OverviewJoin Castelion at an early stage to shape critical systems, influence major technical decisions, and have immediate, real-world impact. As a Senior Avionics Test Engineer, you will own test requirements, automated test equipment (ATE) development, integration, validation, and performance characterization across domains.
What You Will Do
Develop and execute test plans, design and build test fixtures, validate hardware performance, instrument and log tests, lead failure analysis, support hardware teams, drive qualification and environmental test campaigns, and deploy and validate automated test equipment.
Why It Might Be a Fit
This role requires hands-on lab work with systems-level reasoning, close collaboration with electrical, controls, software, and mechanical engineering teams, and the ability to obtain and maintain a U.S. government–issued security clearance.
Requirements
- 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
Benefits
- Meaningful long-term equity
- Four (4) weeks of paid time off
- Ten (10) company-paid holidays
- Comprehensive health benefits
- Paid parental leave
- $100 monthly fitness stipend
- Onsite EV charging
- Catered meals
- Company-covered food during high-demand periods
- Fully stocked kitchen
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