Senior Integration & Test Engineer (Subsea Geothermal)

Location: Seattle, WA; on-site. Willingness to travel and support offshore and remote field operations is required as needed.

Salary: $175,000–$225,000 per year, plus equity.

Company

Develops modular subsea geothermal power plants that convert underwater thermal resources into baseload power.

What you will do

• Own integration and test campaigns for complex mechanical, electrical, fluid, and subsea systems through deployment readiness.
• Develop test strategies, procedures, acceptance criteria, operational plans, and readiness reviews.
• Design and build test infrastructure, including fluid and pressure systems, electrical harnesses, instrumentation, DAQ setups, fixtures, and integration tooling.
• Lead hazardous testing involving high pressure, high voltage, rotating machinery, thermal systems, and offshore hardware.
• Debug failures, lead root-cause investigations, and drive corrective actions and reliability improvements.
• Support field deployments, offshore operations, commissioning, recovery operations, and technical documentation.

Requirements

• 7+ years of experience in integration, test, manufacturing, reliability, or systems engineering for complex hardware systems.
• Experience leading multidisciplinary hardware integration and test efforts.
• Strong hands-on experience with mechanical systems, fluid systems, instrumentation, electrical integration, or electromechanical hardware.
• Experience planning and executing hazardous testing involving pressure, thermal, power, or rotating machinery systems.
• Ability to interpret engineering drawings, schematics, P&IDs, wiring diagrams, and assembly documentation.
• Strong troubleshooting, systems thinking, ownership, communication, and cross-functional coordination skills.

Nice to have

• Experience in aerospace, subsea, marine, energy, launch vehicle, or other high-performance hardware environments.
• Familiarity with DAQ systems, controls integration, telemetry, automated testing, and qualification campaigns.
• Experience with reliability engineering, manufacturing engineering, custom fixtures, integration tooling, or ground support equipment.
• Hands-on fabrication experience, including machining, welding, tube bending, or structural assembly.
• Experience with offshore operations, vessel-based testing, high-pressure fluid systems, turbomachinery, or power generation equipment.

Culture & Benefits

• Full-time employment with competitive base salary and meaningful equity ownership.
• Health, dental, and vision insurance.
• Flexible PTO and 12 paid company holidays.
• Opportunities to participate in sea trials, global fieldwork, and deployment operations with oceanographic institutions.
• Company-sponsored recreational dive certification, access to a company boat, free meals, and snacks.

Hiring process

• Selected candidates will discuss the role and compensation details with a recruiter.