Senior or Principal Turbomachinery Engineer

Location: Seattle, WA; on-site

Salary: $175,000–$275,000 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

• Lead the aero-thermal design and optimization of high-performance turbines and pumps for compact power-generation cycles.
• Use 1D and 2D modeling tools for rapid sizing, trade studies, and system-level integration.
• Perform high-fidelity 3D CFD and structural FEA to assess performance and reliability.
• Lead test campaigns, correlate analytical models with experimental data, and identify failure modes.
• Integrate rotors, housings, bearings, and seals into robust, field-ready assemblies for subsea deployments.
• Develop internal modeling processes, design standards, and documentation.

Requirements

• Bachelor’s degree in Mechanical or Aerospace Engineering; a Master’s degree or PhD is preferred.
• 3+ years of experience designing, analyzing, and testing high-speed rotating machinery such as pumps, compressors, or turbines.
• Strong fundamentals in thermodynamics, fluid mechanics, and heat transfer.
• Experience with CAD software such as Siemens NX and rapid prototyping.
• Ability to work in a fast-paced, hands-on startup environment.
• On-site work in Seattle, Washington.

Nice to have

• Experience with turbomachinery design tools such as AxStream or CFTurbo.
• Proficiency with CFD and numerical simulation tools including ANSYS CFX/Fluent, OpenFOAM, or Numeca.
• Experience with supercritical CO2 or organic Rankine cycle turbomachinery.
• Knowledge of high-pressure seal design and rotor dynamics.
• Experience operating high-speed rotating-equipment test rigs and programming in Python, MATLAB, or C++.

Culture & Benefits

• Full-time employment with competitive base salary, meaningful equity, and health, dental, and vision insurance.
• Flexible PTO and 12 paid company holidays.
• Opportunities to participate in sea trials, deployment operations, and fieldwork at oceanic sites including the Pacific Northwest, Hawaii, Iceland, Japan, New Zealand, and the Azores.
• Hands-on work across high-power electronics, marine systems, and clean energy technology.
• Company-sponsored recreational dive certification, access to a company boat, free meals, and snacks.