Senior Harness Technician

Epirus; Torrance (CA); On-site; USD 39,000 - 63,000; Full time

Job summary

Epirus in Torrance, California seeks a Senior Harness Technician to manufacture and standardize complex electrical harnesses for prototypes and production. You will interpret wiring diagrams, build multilayer harness assemblies, and ensure high reliability and safety for defense technology programs.

Responsibilities include testing, crimping, inspection, and collaboration with cross‑functional teams to resolve build issues while maintaining traceability and quality per AS9100/ISO9001 standards.

Qualifications

• 5+ years hands‑on experience building aerospace/defense or high‑reliability electrical harness assemblies.
• Strong soldering skills and experience with lap and lash splices.
• Proficient with IPC/WHMA‑A‑620, J‑STD‑001, NASA workmanship standards.
• Ability to read complex electrical and mechanical drawings, BOMs and manufacturing plans.
• Experience with test equipment (multimeters, hipot testers, oscilloscopes).

Responsibilities

• Interpret schematics and harness drawings to build and troubleshoot complex harness assemblies.
• Manufacture prototype and production harnesses following work instructions and standards.
• Install, route, and rework harnesses within mechanical assemblies and enclosures.
• Perform electrical tests (continuity, resistance, insulation) using test equipment.
• Set up and operate crimping tools for precise crimps per IPC/MIL‑spec standards.
• Inspect crimp quality with pull tests and micrometers.
• Support First Article Inspection and rapid prototyping of electrical harnesses.
• Maintain build traceability and documentation to AS9100/ISO9001.
• Collaborate with production, test, and quality teams to resolve issues.

Skills

Harness fabrication

Electrical schematics

Soldering

IPC standards

Quality documentation

Education

AS/Technical Diploma in Electrical or related field

Tools

Multimeters

Oscilloscopes

Hi-pot testers

Crimping tools

Soldering irons

Job description

About Epirus

Epirus is a high-growth technology company dedicated to overcoming the asymmetric challenges inherent to the future of national security. Epirus' flagship product, Leonidas, is a software-defined system built using intelligent power management techniques which allow power-hungry systems to do more with less.

About Epirus

Epirus is a high-growth technology company dedicated to overcoming the asymmetric challenges inherent to the future of national security. Epirus' flagship product, Leonidas, is a software-defined system built using intelligent power management techniques which allow power-hungry systems to do more with less.

Job Summary

This is an exciting role in an innovative, high-growth defense technology company. We are seeking a highly skilled and experienced Senior Harness Technician to assist in manufacturing and standardization of complex electrical systems and wiring harnesses for all product needs. This individual will play a key role in ensuring our electrical and harness assemblies meets the highest standards of performance, safety, and reliability in support of our prototyping and product development activities.

Responsibilities

• Interpret electrical schematics, wiring diagrams, and harness drawings to independently build and troubleshoot complex harness assemblies.
• Manufacture prototype and production harnesses—including shielded, twisted pair, coaxial, high‑voltage, and multi‑branch—following Epirus work instructions and prescribed standards.
• Install, route, and rework harnesses within mechanical assemblies, enclosures, and vehicles.
• Perform continuity, resistance, insulation, and functional testing using multimeters, oscilloscopes, hipot testers, and network analyzers or other specialized in process equipment
• Setup and operate crimping tools (manual, pneumatic, and hydraulic) to perform precision crimps on a variety of contacts and terminals per IPC/WHMA-A-620 and MIL-spec standards.
• Inspect and verify crimp quality using pull testing, crimp micrometers, and visual inspection under magnification.
• Support First Article Inspection (FAI), development builds, rapid prototyping, and final acceptance of electrical harnesses.
• Ensure workmanship quality, maintain build traceability, and uphold zero-defect standards through proper documentation and process control.
• Collaborate with production, test, and quality teams to resolve build issues and implement corrective actions.
• Mentor and train Junior Harnessing Technicians.
• Maintain accurate records of builds, rework, and inspections in accordance with AS9100 and ISO9001 quality standards.

Basic Qualifications

• 5+ years of hands‑on experience building aerospace/defense or high‑reliability electrical harness assemblies.
• Expert knowledge of hand tools and equipment used for crimping, stripping, cutting, and soldering.
• Strong soldering skills. Ability to hand solder lap and lash splices, and fine pitch soldering cups.
• Strong understanding of IPC/WHMA-A-620 standards, J-STD-001, and NASA workmanship standards.
• Ability to read and interpret complex electrical and mechanical drawings, BOMs, and manufacturing plans.
• Proficient with test equipment such as multimeters, hipot testers, and oscilloscopes.
• Proven track record of building complex harnesses.
• Comfortable in a fast‑paced, iterative, and high‑standards environment.

Preferred Skills And Experience

• Minimum 8+ years' experience as a technician in defense, aerospace, or equivalent high‑reliability field
• Certified to J-STD-100, IPC-620, and IPC-610 or NASA STD8739.4
• Strong knowledge and experience in manufacturing, troubleshooting, testing, rework and repair of harnessing
• Experience with connectors (e.g., D38999, Glenair, Micro‑D, Nano‑D, MIL-spec coax).
• Familiarity with spacecraft, UAV, missile, or ground combat system harnessing practices.
• Experience with cleanroom protocols and ESD‑safe practices
• Experience with PLM and MES systems such as Oracle, Epicor, Ion, JIRA etc.
• Ability to support light CAD work for layout and harness routing (SolidWorks Electrical, E3, or similar).
• Previous experience in new product introduction (NPI) or rapid prototyping environments.

Additional Requirements

• May be required to retain a TS Clearance

Itar Requirements

To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. 1157, or (iv) Asylee under 8 U.S.C. 1158, or be eligible to obtain the required authorizations from the U.S. Department of State.

• 1157, or (iv) Asylee under 8 U.S.C.
• 1158, or be eligible to obtain the required authorizations from the U.S. Department of State.

At Epirus, you’ll work with technical peers and great people—and get first crack at some of the defining technology challenges of our time. Here, “impossible” is just a challenge. We're a diverse, fast-growing team of change‑makers fueling the future of energy with revolutionary solutions. Join us and rewrite the rules.

As required by the Equal Pay Transparency Act, Epirus provides a reasonable range of minimum compensation for roles that may be hired. Actual compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, and specific office location.

For the state of California only, the range of starting pay for this role is:

$1—$1 USD