Position Title: Nuclear Shielding and Criticality Engineer
Position Description: Protingent Staffing has an exciting contract Nuclear Shielding and Criticality Engineer opportunity.
Job Responsibilities:
Perform radiation shielding design and analysis for advanced nuclear reactors, including calculating dose rates, activation rates, neutron fluence rates, and energy deposition rates.
Develop radiation sources based on material activation analysis for non-fuel in-vessel components.
Perform criticality calculations and develop upper subcritical limits (USLs)
Establish and maintain formal documentation of analysis results.
Work at Company is dynamic and evolutionary. As such, new responsibilities often arise, and you should be capable of and excited about learning and applying specialized skills.
Job Qualifications:
B.S. degree in Nuclear Engineering with minimum 15 years of experience
M.S. degree in Nuclear Engineering with minimum 8 years of experience
Ph. D degree in Nuclear Engineering with minimum 5 years of experience
Competitive candidates will typically have the above experience, but less experienced candidates with highly desired experience in specialized areas will be considered on a case-by-case basis.
Strong MCNP skills and experience with performing radiation shielding calculations for both gammas and neutrons are required. Experience in criticality safety is desirable.
Candidate should be familiar with variance reduction using MCNP, and features such as surface source read/write, mesh tallies, and weight windows. Familiarity with ADVANTG for weight windows generation is a plus.
Excellent written and verbal and communication skills required.
Ability and professionalism to work within published regulatory guidelines required.
Experience working under NQA-1 quality program desired.
Strong computational expertise desired.
Experience with Attila /Attila4MC and computed aided drafting (e.g., SolidWorks, SpaceClaim) is a plus.
Fast reactor experience a plus.
Strong programming skills in any language is a plus, and Python is commonly used in this position.
Knowledgeable or highly motivated to quickly learn basic nuclear reactor design concepts to meaningfully support engineering team.
Acts independently to determine methods on new or special assignments. Works without specific direction from manager.
Acts as a technical subject matter expert in the area of shielding or criticality safety.
Mentors or provides technical guidance to less experienced engineers.
Creates formal networks involving coordination among groups. Exerts cross-functional influence.
Actual position starting level and title will be determined based on assessment of qualifications.
Travel Required: 0-5%
Job Details:
Job Type: Contract
Pay Rate Range: $73-$121/hr (Pay rates are approved based on candidate location, education and experience)
Location: 100% Remote Acceptable
Export control regulations require candidates to be a U.S. Citizen, U.S. Legal Permanent Resident, or of a protected person status
Benefits Package: Protingent offers competitive salaries, insurance plan options (HDHP plan or POS plan), education/certification reimbursement, pre-tax commuter benefits, Paid Time Off (PTO), and an administered 401k plan.
About Protingent: Protingent is an Award-Winning provider of top-tier Engineering and IT talent, trusted by companies at the forefront of innovation — from Software and Aerospace to AI, Clean Tech, Medical Devices, and Connected Technologies. We’re passionate about making a positive impact by connecting exceptional talent with meaningful opportunities and helping our clients build the future. #TerraPro