Castelion
Mechanical Engineer
Allen, TX +1 · Full-time · Posted Oct 26, 2026
- Location
- Allen, TX
716 South Greenville, Suite 160, Allen, TX 75002 - Experience
- 2+ years of professional mechanical engineering experience; preferably in aerospace, automotive, defense, or other hardware-focused industries.
- Education
- Bachelor’s degree in Mechanical Engineering or a related engineering discipline.
- Visa sponsorship
- Employment is contingent on the ability to access applicable export-controlled information without additional export licensing. If the position is designated as requiring classified access or government authorization, employment may also depend on obtaining and maintaining the required clearance or authorization and meeting applicable citizenship or other eligibility requirements.
About the job
Designs, prototypes, integrates, tests, and releases mechanical components, assemblies, and fixtures for next-generation RF sensor hardware.
What you'll do
- Own mechanical design and documentation for RF sensor circuit card assemblies and related fixtures and tooling.
- Collaborate across engineering disciplines to integrate, test, troubleshoot, and improve hardware from concept through production release.
- Optimize designs for manufacturability, reliability, and production constraints.
What they ask for
- Bachelor’s degree in Mechanical Engineering or a related engineering discipline.
- Proficiency in 3D CAD design and mechanical drawings using Siemens NX, SolidWorks, or similar tools.
- Foundational knowledge of statics, dynamics, thermal principles, materials, tolerances, and mechanical interfaces.
- Experience developing mechanical components, assemblies, prototypes, or fixtures.
Nice to have
- Experience integrating and validating electro-mechanical subsystems; familiarity with PCB concepts, schematics, circuit card layouts, or electronic enclosures.
- Experience with RF sensors, radar, avionics, or communications systems; manufacturing processes; or documentation and quality standards such as AS9100 or applicable MIL-STD requirements.
Tools
Siemens NX, SolidWorks, AS9100, MIL-STD
Model-written summary · the original posting is authoritative