Thermal Hardware and Test Engineer II (Aerospace)

Location: On-site in El Segundo, California, United States. The role requires U.S. work authorization and U.S. person status for access to export-controlled technology.

Salary: $119,543–$152,749 per year for the Eng II level, plus potential stock options and/or long-term cash awards.

Company

hirify.global develops commercial space infrastructure, including in-orbit pharmaceutical processing payloads, reentry capsules, heat shields, and satellite buses.

What you will do

• Drive end-to-end development of thermal hardware and test infrastructure from concept and design through fabrication, integration, validation, and maintenance.
• Develop active and passive thermal control systems, including heat pipes, pumped fluid loops, and thermal switches, for payloads and vehicles.
• Design and assemble fluid, thermal, mechanical, and electrical test rigs and fixtures.
• Plan and execute component-level acceptance and qualification thermal vacuum tests.
• Implement instrumentation and data acquisition systems using sensors, transducers, actuators, PLCs, and embedded controllers.
• Document procedures, schematics, and test reports while troubleshooting anomalies and improving equipment reliability.

Requirements

• Bachelor’s degree in Mechanical Engineering or a related discipline, or equivalent professional experience.
• At least 3 years of experience applying engineering principles to thermal design, testing, and fabrication in a manufacturing environment.
• Proficiency in detailed thermal analysis using Thermal Desktop and SINDA/FLUINT.
• Experience anchoring thermal models to test or flight data and planning and executing Thermal Vacuum Chamber testing.
• Experience with MATLAB or an equivalent tool for data processing and task automation.
• Must be authorized to work in the United States and qualify as a U.S. person under ITAR requirements.

Nice to have

• Hands-on fabrication skills in basic machining, welding, or rapid prototyping.
• Experience with ANSYS or other thermal analysis tools.
• Formal project management experience in a fast-paced environment.

Culture & Benefits

• Regular full-time employment with flexible paid time off and 12 paid holidays.
• Company-paid medical, dental, and vision insurance, with FSA and employer-matched HSA options.
• Parental leave, family-building benefits, sponsored One Medical memberships, and a monthly wellness reimbursement.
• 401(k) plan with a 6% immediately vested employer match and equity incentives.
• Relocation support may be available for new hires, with catered meals, team events, and complimentary EV charging.