Nuclear Engineer - Reactor Physics

Averro; Oak Brook (IL); On-site; USD 140,000 - 210,000; Full time

Benefits offered by this job

Medical, dental, vision, and life ins.

401(k) with 5% match

unlimited PTO

paid parental leave

Job summary

Averro in Oak Brook, IL is seeking a Senior Nuclear Engineer - Reactor Physics to lead neutronics, shielding, and safety analyses for advanced reactor designs.

The role will perform neutron/gamma transport calculations, support core design refinement, and develop verification tools while mentoring junior engineers and contributing to licensing documentation.

Qualifications

• 7+ years in reactor physics; MS preferred.
• 12–15 years targeted experience in the field.
• Strong Monte Carlo skills with Serpent, SCALE or MCNP.

Responsibilities

• Perform neutron and gamma transport calculations for dose rates, heating, material damage, and shielding requirements.
• Support reactor core design refinement and radiation shielding design.
• Perform criticality safety calculations for fresh and used fuel.
• Develop, verify, and validate computational tools; mentor junior engineers and support licensing documentation.

Skills

Reactor physics

Monte Carlo methods

Python programming

Nuclear engineering

Education

Bachelor's degree in Nuclear Engineering

Tools

Serpent

MCNP

SCALE

Job description

Benefits:

• Medical, dental, vision, and life insurance


• 401(k) with 5% match


• unlimited PTO


• paid parental leave

Role & Responsibilities

We are seeking a senior Nuclear Engineer - Reactor Physics for an advanced nuclear technology company, which would be a great opportunity for someone with experience in neutronics, shielding, and criticality safety looking to further their career in advanced reactor design.

• Perform neutron and gamma transport calculations for dose rates, heating, material damage, and shielding requirements


• Support reactor core design refinement and radiation shielding design


• Perform criticality safety calculations for fresh and used fuel


• Develop, verify, and validate computational tools; mentor junior engineers and support licensing documentation

Essential Qualifications

• 7+ years of reactor physics experience (5+ with MS); 12-15 years targeted; strong Monte Carlo skills (Serpent, SCALE, or MCNP)


• Experience in reactor design, radiation shielding, or criticality safety; strong programming skills, Python preferred


• Bachelor's degree in Nuclear Engineering or a related field

Bonus Qualifications

• Nuclear software verification and validation experience


• HTGR or gas-cooled reactor knowledge


• Regulatory licensing documentation experience

Averro is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.