Aalo Atomics
Criticality Safety Engineer
Idaho Falls, ID · On-site · Full-time · Posted Oct 19, 2026
- Experience
- 8+ years; no alternatives stated.
- Education
- Bachelor of Science degree in Nuclear Engineering, Nuclear Physics, Physics, or a closely related scientific or engineering discipline.
- Visa sponsorship
- Applicants must be U.S. Citizens or U.S. Persons in compliance with 10 CFR Part 810 and may not hold non-compliant foreign citizenships.
About the job
Performs and reviews nuclear criticality safety evaluations and oversees criticality controls and operations at assigned facilities.
What you'll do
- Prepare, independently check, and review criticality safety evaluations and facility or process changes.
- Serve as Criticality Safety Officer for assigned areas, conducting walkdowns and advising operations on safety limits and controls.
- Maintain criticality safety documentation and coordinate safety requirements with operations, design, and facility teams.
What they ask for
- Bachelor of Science in Nuclear Engineering, Nuclear Physics, Physics, or a closely related scientific or engineering discipline.
- 8+ years of nuclear criticality safety experience, including independent preparation and review of evaluations at DOE nuclear facilities.
- Proficiency with Monte Carlo neutron transport codes (e.g., MCNP, SCALE, OpenMC, or Serpent).
- Working knowledge of DOE criticality safety requirements and ANSI/ANS-8 series standards.
Nice to have
- Advanced degree (M.S. or Ph.D.) in a related discipline.
- Experience serving as a Criticality Safety Officer with facility-specific oversight responsibilities.
Tools
MCNP, SCALE, OpenMC, Serpent, DOE-STD-3007, 10 CFR 830, DOE Order 420.1 Chapter III, ANSI/ANS-8
Model-written summary · the original posting is authoritative