Avionics Harness Technician — Hands-on & Fast-Paced

Castelion Corporation; Torrance (CA); On-site; USD 65,000 - 85,000; Full time

Job summary

Castelion is seeking an Avionics Harness Technician to support development and production of avionics harnesses at our Torrance, CA facility. You will build, inspect, and test harnesses, cable assemblies, and electro-mechanical hardware in a hands-on role reporting to R&D Operations.

The position emphasizes wiring, crimping, soldering, electrical testing, and collaboration with engineering and manufacturing teams in a fast-paced environment. Travel up to 20% may be required.

Qualifications

• Minimum 2+ years in avionics harness assembly or related hands-on work.
• Experience reading electrical schematics and harness drawings.
• Crimping, soldering, and connector assembly proficiency required.
• Ability to perform continuity, insulation resistance, and HiPot tests.
• Familiarity with IPC/WHMA-A-620 workmanship standards.
• Experience in an ESD-controlled manufacturing environment.
• Ability to follow engineering drawings and controlled documentation.
• Willingness to work extended hours and travel up to 20%.

Responsibilities

• Build wire harnesses, cable assemblies, and electro-mechanical units.
• Perform wire prep, stripping, crimping, soldering, shielding, splicing, labeling, and connector assembly.
• Assemble and test harnesses and electrical hardware and support equipment.
• Conduct continuity, insulation resistance, and HiPot testing as required.
• Follow work instructions, wiring diagrams, and engineering documentation.
• Support development and pilot builds transitioning to production.
• Read and interpret schematics, drawings, and controlled documents.
• Identify build issues and elevate to engineering or manufacturing leadership.
• Assist process improvements for quality and efficiency.
• Maintain clean, organized, ESD-compliant work area.
• Monitor progress and support production priorities as needed.

Skills

Hand-on assembly

Harness fabrication

Electrical testing

Schematic reading

ESD handling

Attention to detail

Teamwork

Fast-paced environment

Willingness to travel

Tools

Cirris test equipment

Harness test equipment

IPC/WHMA-A-620

Soldering irons

Crimping tools

Connector assembly tools

Job description

Castelion is seeking an Avionics Harness Technician to support development and production of avionics harnesses at our Torrance, CA facility. You will build, inspect, and test harnesses, cable assemblies, and electro-mechanical hardware in a hands-on role reporting to R&D Operations.

The position emphasizes wiring, crimping, soldering, electrical testing, and collaboration with engineering and manufacturing teams in a fast-paced environment. Travel up to 20% may be required.