Lead Nuclear Engineer

Location: 100% onsite at hirify.global’s headquarters in El Segundo, California, United States. Extended hours and weekends may be required as necessary. A limited remote workday allocation is available as a benefit but does not change the onsite requirement. The position involves access to technology subject to U.S. export controls.

Salary: $140,500–$237,300 annually, plus equity.

Company

hirify.global is a startup developing mass-produced, portable nuclear microreactors for hospitals, data centers, remote sites, and military bases.

What you will do

• Lead an interdisciplinary team working across safety analysis, core performance, shielding, instrumentation and controls, operations, and thermal-hydraulics.
• Hire, manage, mentor, and develop a high-performing team of nuclear engineers.
• Own nuclear engineering projects from requirements capture through multidisciplinary design, testing, and delivery.
• Develop simulation pipelines, perform analysis post-processing, and prepare summaries for regulatory deliverables.
• Collaborate with regulatory stakeholders on nuclear industry standards and requirements.

Requirements

• Bachelor’s degree in nuclear engineering or an equivalent field from an accredited institution.
• At least 5 years of nuclear engineering industry experience with relevant software.
• Experience with MCNP and/or OpenMC.
• Deep knowledge of neutron transport and Monte Carlo simulation theory.
• At least 1 year of experience managing direct reports.
• Willingness to work 100% onsite in El Segundo and extended hours or weekends when required.

Nice to have

• Master’s or PhD in nuclear engineering or an equivalent field.
• Subject matter expertise in safety analysis, shielding, instrumentation and controls, reactor operations, or radioactive material transportation.

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, plus additional paid pregnancy leave for California employees.
• Flexible PTO, catered lunch, snacks, drinks, and sponsored One Medical memberships.
• Company events, team-bonding activities, and an in-person collaborative environment near the Pacific Ocean.