Nuclear Criticality Safety Engineer jobs in United States
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Amentum · 1 week ago

Nuclear Criticality Safety Engineer

Amentum is seeking a Nuclear Criticality Safety Engineer for the Pittsburgh, PA area. The role involves obtaining site-specific Nuclear Criticality Safety Analyst Qualification to support the implementation of a DOE-approved Nuclear Criticality Safety Program in an operating non-reactor nuclear facility.

Mechanical EngineeringSecurityTechnical Support
badNo H1BnoteSecurity Clearance RequirednoteU.S. Citizen Onlynote

Responsibilities

Provide technical guidance to operating organizations
Collaborate with operating organization personnel on NCS evaluations as the lead NCS Analyst
Perform independent reviews of NCS evaluations
Conduct periodic reviews of fissionable material operations
Lead and/or participate in NCS response to programmatic issues and criticality process deviations/infractions
Participate in NCS emergency response preparation (emergency procedures, plans, exercises, and drills)
Independently prepare, review, and/or present technical reports to the criticality safety community (e.g. American Nuclear Society, etc.)
Conduct NCS training for all levels of employees involved in fissionable material operations
Assist in the development and/or review of new or proposed changes to existing NCS programmatic policy and implementing documents
Lead and/or participate in assessments and audits of the NCS Program
Mentor of less experienced Nuclear Criticality Safety (NCS) Analysts and Analysts In-Training on all aspects of criticality safety
Development, revision, and review of Nuclear Criticality Safety (NCS) documentation, such as Criticality Safety Evaluations (CSEs), Nuclear Criticality Safety Design Analysis, and Calculations (DACs), and various other NCS technical basis documentation
Complete the required NCS annual Operational Reviews
Daily nuclear facility support; consisting of facility walkdowns, review of NCS requirements, implementing documents, participation at facility Operational Safety Boards, etc

Qualification

Nuclear Criticality SafetyNuclear EngineeringDOE-specific experienceCriticality Safety EvaluationsAttention to detail

Required

Bachelor's degree in nuclear, engineering, math, or science with a minimum of 1-2 years of Nuclear Criticality Safety (NCS) experience is required (Nuclear Engineering degree preferred) or 7 years of equivalent technical experience in place of a B.S
Candidate must be a US citizen
Candidate must have the ability to obtain and maintain a DOE “Q” security clearance
Demonstrated keen attention to detail

Preferred

Experience in Approach to Critical (e.g., NCSP Hands-On Criticality Safety Course) preferred
DOE-specific experience is highly preferred

Benefits

Health, dental, and vision insurance
Paid time off and holidays
Retirement benefits (including 401(k) matching)
Educational reimbursement
Parental leave
Employee stock purchase plan
Tax-saving options
Disability and life insurance
Pet insurance

Company

Amentum is a technology and engineering company for security, defense, and energy.

Funding

Current Stage
Public Company
Total Funding
$321.16M
2025-03-12Post Ipo Secondary· $321.16M
2024-09-27IPO
2020-01-01Private Equity

Leadership Team

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Ajay Nagar
Vice President
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Darren Burton
Chief People Officer
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