Castelion
Systems Test Engineer
Allen, TX +1 · Full-time · Posted Sep 7, 2026
- Location
- Allen, TX
716 South Greenville, Suite 160, Allen, TX 75002 - Experience
- No specific number of years stated.
- Education
- B.S. or M.S. in Mechanical, Mechatronics, Aerospace, or Electrical Engineering.
- Visa sponsorship
- Employment is contingent upon the ability to access applicable export-controlled information without additional export licensing. If the role requires classified access, employment may also depend on obtaining and maintaining required U.S. Government security clearance or authorization and meeting applicable citizenship or other eligibility requirements.
About the job
Owns test requirements and automated test equipment development, integration, validation, and performance characterization for aerospace and defense hardware, from components through integrated systems.
What you'll do
- Develop and execute test plans; build fixtures, hardware-in-the-loop environments, and automated test rigs.
- Characterize hardware performance, instrument and log tests, and lead investigations into anomalies or failures.
- Lead qualification and environmental testing, deploy test stations, and collaborate with hardware teams to improve designs.
What they ask for
- B.S. or M.S. in Mechanical, Mechatronics, Aerospace, or Electrical Engineering.
- Experience testing high-power subassemblies, high-speed digital interfaces, actuators, motion-control systems, and RF subassemblies in aerospace, automotive, robotics, or defense.
- Hands-on experience designing automated test equipment from the ground up.
- Familiarity with embedded control systems and communication protocols; proficiency with instrumentation and data acquisition systems.
Nice to have
- RF testing fundamentals or advanced knowledge of Radar architecture.
- Experience with test automation software, instrumentation control, dashboards, data analysis, environmental chambers, fault injection, or flight and launch operations.
Tools
Python, C++, Protobuffs, CAN, RS-422/485, SPI, Ethernet, Automotive Ethernet
Model-written summary · the original posting is authoritative