Integration & Test Specialist

Location: Seattle, WA, United States; work arrangement: On-site

Salary: $100K–$160K per year, plus equity

Company

hirify.global is a pre-revenue startup developing modular subsea geothermal power plants that convert ocean-floor thermal resources into baseload power.

What you will do

• Assemble mechanical and fluid systems, including pressure vessels, piping, valves, and heat exchangers.
• Integrate tubing and piping through routing, bending, cutting, fitting, and high-quality plumbing of test systems and subsea hardware.
• Install sensors and instrumentation, then perform hydrostatic and pneumatic pressure testing, leak checks, and system validation.
• Support system bring-up, debug integration issues, and resolve fit-up and tolerance problems alongside mechanical, fluids, and electrical engineers.
• Document builds, test setups, and issues while maintaining clean, safe, repeatable build processes.
• Support rapid prototyping, test infrastructure, and deployment preparation for high-pressure and high-temperature systems.

Requirements

• 5+ years of hands-on experience in mechanical assembly, fluid systems, or integration roles.
• Experience assembling and testing complex mechanical or fluid systems, including tubing, piping, fittings, pressure testing, and leak detection.
• Ability to read and interpret mechanical drawings, P&IDs, and assembly documentation.
• Strong mechanical troubleshooting skills, attention to detail, craftsmanship, ownership, and independent judgment.
• Ability to work closely with engineers in fast-paced, prototype-driven environments.
• Ability to work on-site in Seattle, WA.

Nice to have

• Orbital tube welding or other high-reliability welding experience.
• Experience with high-pressure systems, process piping, thermal systems, or Swagelok fluid-system standards.
• Marine, subsea, aerospace, or energy hardware experience.
• Light fabrication, manual machining, custom test infrastructure, cleanliness control, fixture design, or integration tooling experience.

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 for global fieldwork, sea trials, and deployment operations at oceanic-ridge sites.
• Company-sponsored recreational dive certification, access to a company boat, free meals, and snacks.