Senior/Principal Harness Engineer

The role

You will own the design and implementation of power, data, and signal interconnections for subsea hardware. This includes connector and cable selection, routing, and managing external vendors.

What you will do

• Own harness design for subsea deployment and test systems
• Participate in technical trades to drive system architecture
• Produce harness drawings, physical layouts in CAD, BOMs, and termination specifications
• Define the manufacturing plan for each harness
• Identify and qualify external harness manufacturers, connector and cable suppliers, and overmolding partners
• Define acceptance test requirements and review results
• Partner with production team on DFM, assembly tooling, and work instructions
• Troubleshoot harness and interconnect faults on test systems and deployed hardware
• Help shape harness standards and the supplier base
• Investigate new technologies and approaches

Required qualifications

• 3+ years of engineering experience designing and delivering wiring harnesses or electrical interconnect for complex hardware systems
• Strong understanding of connectors, cable construction, shielding, grounding, and signal integrity
• Experience producing harness drawings, BOMs, termination specifications, and 3D layouts in CAD (e.g., Siemens NX)
• Working knowledge of harness test methods including hipot, insulation resistance, and continuity testing
• Hands-on experience building and terminating prototypes
• Ability to perform basic PCBA or component level electrical measurements and debugging
• Strong communication skills
• Comfortable in a fast-paced, prototype-driven environment

Nice to have

• Experience designing harnesses for marine, subsea, aerospace, or defense systems
• Experience with wet-mate and dry-mate subsea connectors, penetrators, overmolding, and PBOF systems
• Experience pressure-testing or qualifying subsea assemblies
• Experience debugging electrical systems and circuit boards
• Experience qualifying and managing harness manufacturers or connector suppliers
• Certification in or knowledge of IPC/WHMA-A-620 and related assembly and inspection standards

Benefits

• Health, Dental, and Vision insurance coverage
• Flexible PTO including 12 paid company holidays
• Travel to deployment sites in locations like the Pacific Northwest, Hawaii, Iceland, Japan, New Zealand, and the Azores
• Participate in sea trials and deployment operations
• Company-sponsored recreational dive certification
• Access to the company boat
• Free meals and snacks

About the company

Endurance is building modular subsea geothermal power plants to convert thermal resources under the ocean into baseload power. The founding team includes veterans from SpaceX, Helion, Blue Origin, and Apple.