Criticality Safety Engineer — On-Site Idaho Falls

Aalo Atomic; Idaho Falls (ID); On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

Paid Time Off

Job summary

Aalo Atomics seeks a Criticality Safety Engineer to perform criticality safety evaluations, maintain safety controls, and serve as a Criticality Safety Officer for facilities at the Aalo-X campus. The role reports to the Nuclear Safety Manager and ensures DOE safety compliance across operations, design, and management teams.

Ideal candidates will have deep technical expertise in nuclear criticality safety, strong analytical skills, and the ability to communicate complex requirements clearly to

Qualifications

• Bachelor degree in a relevant science/engineering field.
• 8+ years in nuclear criticality safety and independent preparation/review of CSEs at DOE facilities.
• Proficiency with Monte Carlo neutron transport codes used for criticality safety analyses.

Responsibilities

• Perform CSEs per DOE-STD-3007 and provide safety basis analyses.
• Review and verify criticality safety evaluations for accuracy.
• Lead or support facility walkdowns to ensure safety controls are effective.
• Advise operations on criticality safety limits and controls during modifications.

Skills

Criticality safety

Technical writing

Communication

Walkdown experience

Education

Bachelor of Science in Nuclear Engineering/Physics

Tools

MCNP

SCALE

OpenMC

Serpent

Job description

Aalo Atomics seeks a Criticality Safety Engineer to perform criticality safety evaluations, maintain safety controls, and serve as a Criticality Safety Officer for facilities at the Aalo-X campus. The role reports to the Nuclear Safety Manager and ensures DOE safety compliance across operations, design, and management teams.

Ideal candidates will have deep technical expertise in nuclear criticality safety, strong analytical skills, and the ability to communicate complex requirements clearly to