Senior Harness Technician

About Epirus

E pirus 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.
• 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