Senior Thermal Analysis Engineer (Aerospace)

Location: On-site in El Segundo, California, United States

Salary: $140,333–$179,314 per year, 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

• Develop and maintain integrated thermal analysis models for spacecraft vehicles.
• Create tools and systems for thermal model and flight-data processing.
• Ensure spacecraft thermal performance remains within operating and survival limits through passive and active thermal control.
• Collaborate with hardware, production, software, mission operations, and other spacecraft disciplines to improve vehicle systems.
• Plan and execute Thermal Vacuum testing, anchor models to test and flight data, and guide thermal bakeout, Vehicle-In-The-Loop, and propulsion hot-fire testing.
• Work independently, mentor junior engineers, and provide technical peer reviews.

Requirements

• Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or a related discipline, or equivalent professional experience.
• 3+ years of experience developing passive and active thermal control systems.
• 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 legally authorized to work in the United States and qualify as a U.S. person for access to export-controlled technology.

Nice to have

• Master’s degree in a related engineering discipline.
• Experience across a complete spacecraft lifecycle, from concept and design through production, integration, testing, and mission operations.
• Experience with thermal design and analysis of reentry systems.
• Experience taking ownership of projects and delivering results in a fast-paced environment.
• Familiarity with thermal margins and qualification test requirements in SMC-S-016.

Culture & Benefits

• 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 support, wellness reimbursement, and sponsored One Medical memberships.
• 401(k) plan with a 6% immediately vested employer match and incentive equity.
• Relocation support may be available for new hires.
• Daily lunch, twice-weekly dinner, team events, mission celebrations, and complimentary EV charging.