Lead, Fluid Systems Engineering (Nuclear)

Location: 100% onsite at the El Segundo, California headquarters, United States. Extended hours and weekends may be required as necessary.

Salary: $150.5K–$207.9K annually, plus equity.

Company

hirify.global builds transportable nuclear microreactors, including the 1 MW Kaleidos reactor, for critical infrastructure and commercial applications.

What you will do

• Lead, mentor, recruit, and develop a team of fluid systems engineers while setting technical direction and team priorities.
• Own the architecture and end-to-end engineering of primary-loop and power-conversion systems and components, including compressors, valves, and heat exchangers.
• Perform complex thermal and fluids analysis using first-principles calculations and finite element tools to drive design and verify structural integrity.
• Lead trade studies, subsystem risk analysis, design reviews, and cross-functional technical decisions.
• Establish manufacturing and assembly instructions, test plans, BOM management, and supplier development.
• Coordinate subassembly design, manufacturing, and test schedules with leadership and other functions.

Requirements

• Bachelor’s degree from an accredited institution in Mechanical, Materials, Aeronautical, Civil, or Structural Engineering.
• 8+ years of experience designing, building, and testing fluid systems, including demonstrated technical leadership at a senior or staff level.
• Experience leading or mentoring engineers and willingness to grow as a people manager.
• Experience with fluid system architecture design.
• Proficient knowledge of fluid dynamics, thermodynamics, and heat exchanger design and analysis methods.
• Ability to work 100% onsite at the El Segundo headquarters.

Nice to have

• Prior experience managing engineers, including hiring and performance feedback.
• Knowledge of thermodynamic power cycles.
• Experience designing piping systems for thermal growth using hand calculations and FEA tools.
• Experience with process piping design and testing codes such as ASME B31.3 and ASME PCC-2.
• Experience with fluid system modeling using MATLAB or Python.
• Experience with design for manufacturability, production hardware builds, test stands, and multidisciplinary communication.
• Extreme ownership and a high degree of responsibility. Prior nuclear experience is not required.

Culture & Benefits

• Full-time employees receive an incentive stock plan, comprehensive medical, vision, dental, life, accident, hospital, critical illness, commuter, FSA, and HSA options.
• Eight weeks of paid parental leave for all parents, with additional paid pregnancy leave for California employees.
• Nuclear Engineering Certificate Program with Penn State University is fully covered for eligible employees.
• Flexible PTO, catered lunch, snacks, drinks, company events, and team-bonding activities.
• Employment is primarily onsite, with a remote workday allocation.