Harness Design Engineer (Nuclear)

Location: 100% onsite at the El Segundo headquarters, El Segundo, California, United States. Extended hours and weekends may be required.

Salary: $124,500–$172,725 plus equity.

Company

hirify.global is a startup founded in 2020 that develops transportable, mass-produced nuclear microreactors, including the 1 MW Kaleidos reactor for critical infrastructure and commercial applications.

What you will do

• Own harness-system design from concept through integration and serve as the subject matter expert on electrical-to-hardware interconnections.
• Create manufacturing harness drawings and coordinate directly with the harness manufacturing team.
• Support reactor electrical schematics in Zuken E3 Cable and maintain pinout tables throughout the design cycle.
• Make conductor, wire-type, shielding, and harness-material decisions for low- and high-voltage systems in challenging environments.
• Support technicians during reactor harness integration, commission systems, and troubleshoot electrical issues.
• Provide nonconformance solutions during build and integration to reduce delays and improve system uptime.

Requirements

• Bachelor’s degree in Electrical Engineering, Mechanical Engineering, or a closely related field from an accredited institution.
• At least 3 years of professional hands-on harness design or manufacturing experience.
• Strong understanding of harness architecture, grounding schemas, power requirements, shielding, electrical systems, and schematic interpretation.
• Proficiency with analog instrumentation, including 4–20 mA sensors, accelerometers, resolvers, RTDs, and thermocouples.
• Experience with Zuken E3 Cable, EPLAN, or similar harness-design and schematic-capture tools.
• Proficiency with inductive devices such as solenoid valves.
• Familiarity with Siemens NX or similar 3D CAD tools.
• Basic understanding of high-voltage systems up to 1,000 volts.

Nice to have

• At least 5 years of professional hands-on harness design or manufacturing experience.
• Harness-design experience in high-reliability or harsh environments, including nuclear, aerospace, defense, or industrial systems exposed to radiation, thermal cycling, or vibration.
• Familiarity with IPC/WHMA-A-620, SAE AS50881, or NEC/NFPA harnessing requirements.
• Hands-on floor experience supporting harness build and integration, troubleshooting, and nonconformance resolution during commissioning.

Culture & Benefits

• Full-time employees receive an incentive stock plan, base salary, equity grants, and comprehensive health benefits.
• Medical, vision, dental, One Medical, FSA/HSA, commuter, life, accident, hospital, and critical-illness benefits are offered, with specified employer coverage.
• Eight weeks of paid parental leave for all parents, with additional paid pregnancy leave for California employees.
• Eligible employees receive full coverage for a Penn State University Nuclear Engineering Certificate Program.
• Flexible PTO, a remote-workday allocation, catered lunch, snacks, drinks, and company and team events are provided.

Hiring process

• Applicants may contact recruiting@hirify.globalnuclear.com directly for immediate opportunities.
• Compensation and level are determined through evaluation of interview performance, experience, education, and qualifications.
• Any offer is contingent on the applicant’s ability to comply with U.S. export controls governing access to the company’s technology.