Lead Avionics Test Engineer

Castelion CorporationTorrance, CA
Onsite

About The Position

We are looking for a Lead Avionics Test Engineer to own the vision, architecture, and execution of our avionics test organization as we transition from prototype development to production and flight operations. In this role, you will set technical direction, mentor engineers, and drive test infrastructure, automated test equipment (ATE), integration, validation, and performance characterization across power electronics, digital interfaces, RF assemblies, motion control, and flight avionics. You will design fixtures, build automated test stations, support DVT and qualification, and define the test performance envelope for components, circuit cards, and integrated sub-systems. This role blends hands-on lab work with systems-level reasoning and close collaboration with electrical, controls, software, and mechanical engineering teams.

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
  • U.S. citizenship is required
  • Ability to obtain and maintain a U.S. government–issued security clearance

Nice To Haves

  • Experience in RF testing fundamentals or more advanced knowledge of Radar architecture
  • Experience with software development for test automation for digital, power, and RF electronics (Python preferred)
  • Experience controlling test instrumentation using SCPI, VISA, or PyVISA commands
  • Experience developing GUIs or dashboards
  • Experience in writing custom scripts for data analysis & database creation
  • Experience writing software for Environmental Chambers and/or RF Chambers
  • Exposure to flight-like test environments, including environmental stress screening (ESS)
  • Experience with fault injection, failure mode testing, and reliability qualification for mission-critical systems
  • Working knowledge of C/C++ or Python for custom test tooling or embedded systems debugging
  • Background supporting flight test or launch operations.

Responsibilities

  • Provide technical leadership and mentorship across the avionics test organization, establishing standards, processes, and best practices for scalable test development
  • 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

Benefits

  • Meaningful long-term equity
  • Four (4) weeks of paid time off
  • Ten (10) company-paid holidays
  • Comprehensive health benefits - including 100% employee-covered medical and strong dependent coverage
  • Dental and vision plans
  • 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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