Director, Nuclear Engineering

Location: 100% onsite at hirify.global's El Segundo, California headquarters; must be willing to relocate to El Segundo

Salary: $173,000–$237,300 per year, plus equity

Company

hirify.global is a startup developing mass-produced, portable nuclear microreactors, including the 1-megawatt fail-safe Kaleidos reactor.

What you will do

• Lead and grow a nuclear engineering team covering core physics, shielding performance, dose and consequence analysis, and nuclear instrumentation.
• Manage execution, remove roadblocks, adapt priorities, and deliver against the nuclear engineering strategy.
• Identify, manage, and communicate technical, schedule, and regulatory risks.
• Develop standardized analysis roadmaps for rapid iteration across multiple reactor programs.
• Define nuclear engineering design margins and methodical peer-review processes.
• Collaborate with universities, national laboratories, and other external organizations.

Requirements

• Degree in nuclear engineering, physics, or engineering physics from an accredited institution.
• At least 10 years of experience managing teams in reactor design and analysis.
• Fluency in engineering first principles across nuclear, thermal, electrical, and mechanical domains.
• Strong ability to communicate nuclear engineering concepts to multidisciplinary audiences.
• Experience with DOE authorization and/or NRC requirements and processes, including nuclear facility safety bases.
• Experience with Monte Carlo neutron transport codes such as OpenMC, Serpent, or MCNP; willingness to work extended hours and weekends as needed.

Nice to have

• Hands-on experience designing products, hardware, or tests.

Culture & Benefits

• Substantial incentive stock plan for full-time employees.
• Comprehensive medical, vision, dental, life, accident, hospital, critical illness, commuter, FSA, and HSA benefits.
• Eight weeks of paid parental leave for all parents, with additional paid pregnancy leave for California employees.
• Flexible PTO, daily catered lunch, snacks, drinks, and sponsored One Medical memberships.
• Company and team-bonding events in an in-person workplace near the Pacific Ocean.