Avionics Manufacturing Specialist, Harnessing
About the role
Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus, ownership, and excellence are decisive advantages - and we're building a world-class team to turn bold ideas into real capability. This is a rare opportunity to join at an early stage, where you'll have significant ownership, collaborate with exceptional teammates, and make a direct, measurable impact on our mission and the future of the company - regardless of your function.
Avionics Manufacturing Specialist, Harnessing: Castelion is seeking an Avionics Manufacturing Specialist, Harnessing to develop, improve, and scale the manufacturing processes used to build flight-critical wiring harnesses and cable assemblies. You will work hands-on with engineering and production teams to turn complex electrical designs into repeatable, high-quality manufacturing processes. This role will help define how harnesses are fabricated, inspected, tested, and scaled as Castelion moves from development builds into higher-rate production.
Responsibilities
- Develop and improve manufacturing processes for wiring harnesses, cable assemblies, and electrical interconnects
- Partner with design engineering to improve manufacturability, assembly efficiency, and reliability
- Develop tooling, fixtures, work instructions, and standardized manufacturing processes
- Support harness build, inspection, continuity testing, insulation resistance testing, and dielectric withstand testing
- Troubleshoot manufacturing defects and lead root-cause and corrective-action efforts
- Train and mentor technicians on workmanship standards and manufacturing processes
- Support new product introduction and transition new harness designs into production
- Identify opportunities to improve quality, cycle time, and production throughput
- Support supplier development and qualification for harness fabrication
Requirements
- Experience manufacturing aerospace, automotive, defense, or other high-reliability wiring harnesses
- Strong understanding of crimping, soldering, shielding, splicing, routing, and connector assembly
- Experience developing or improving manufacturing processes
- Ability to interpret engineering drawings, schematics, and wiring diagrams
- Hands-on experience troubleshooting manufacturing issues
Skills
- Experience with IPC/WHMA-A-620 or NASA workmanship standards
- Experience with automated harness test equipment
- Experience developing tooling, fixtures, and production processes
- Experience supporting aerospace or flight hardware
- Experience training or mentoring manufacturing technicians