Senior Nuclear Criticality Engineer with Security Clearance

Boston Government Services, LLC. (BGS) is seeking a Senior Nuclear Criticality Engineer to join our team This position is contingent upon contract award. BGS is an engineering, technology, and security firm helping to advance missions of national importance for government programs, national laboratories, national security facilities, nuclear operations, and complex projects. We support clients at every stage, from strategic planning and program management to the execution of engineering and technical activities. We work to attract and retain the best talent because the best talent delivers the best results for our clients. Our capabilities are based on our experience in complex, secure, and highly regulated environments. We leverage our experience and capabilities to provide mission-driven solutions tuned to our client's mission needs and strategic direction. We are passionate about our culture At BGS, we hire people who will bring their whole self to work each day because we value operating with openness and inclusivity, welcoming and respecting all. BGS cares for each employee’s well-being by offering a comprehensive benefit package and providing a culture of exciting work, excellence, and fun. If you align with BGS’ company values and culture, we would love for you to explore opportunities to join our growing team by checking out the job description below Responsibilities: Provide technical capabilities in Nuclear Criticality Safety (NCS) to ensure fissile materials are processed, stored, transferred, and handled safely so that personnel and property are protected against a nuclear criticality accident.Perform analysis of equipment, processes, and procedures prescribing correct methods, control requirements, and limitations.Conduct surveillances, inspections, walkthroughs, appraisals, or audits of fissile material operations to ensure compliance with approvals.Provide operating areas with specific NCS professional interpretations and advice. Perform training to employees in basic NCS.Validate, maintain, and operate nuclear computer codes and nuclear cross-sections.Development, revision, and review of Nuclear Criticality Safety (NCS) documentation such as Criticality Safety Evaluations (CSEs), Nuclear Criticality Safety Determinations (NCSDs), Technical Deviations (TDs), and various other NCS technical basis documentation.Completion of required NCS annual Operational Reviews as needed.Provide daily nuclear facility support as needed consisting of facility walkdowns, review of NCS requirements implementing documents, participation at facility Operational Safety Boards, etc. Other duties as assigned. Requirements: Bachelor’s Degree in Nuclear Engineering, Mechanical Engineering, Chemical Engineering, or a related field plus 5-10 years of direct experience required, or an MS with 3-7 years' experience.Proficiency with criticality safety codes and software tools, such as MCNP (Monte Carlo N-Particle), SCALE, KENO, or similar computational tools used for radiation transport and criticality safety analysis.Experience in the application of DOE rules, guides, orders, standards, and handbooks including 10CFR 830, Nuclear Safety Management, is required.Hands-on experience with criticality safety assessments, including designing, evaluating, and reviewing systems and processes to ensure they meet safety standards.Experience in performing safety evaluations and risk assessments related to nuclear processes, such as fuel fabrication, enrichment, transportation, and storage.Successful drug screening.Must be eligible to obtain and maintain a security or clearance badge. Preferred Qualifications: 18 years of direct experience, or an MS with 15 years' experience.Master’s degree or Ph.D. in Nuclear Engineering or a related discipline, especially with a focus in reactor physics, neutron transport, or criticality safety.Familiarity with nuclear fuel cycle operations, such as enrichment, reprocessing, or fuel fabrication.Experience in Approach to Critical (e.g., NCSP Hands-On Criticality Safety Course) preferred.An active Department of Energy Q Clearance. A Professional Engineer (PE) License. Location/Work Arrangement: This position is a hybrid work arrangement in Oak Ridge, TN. Benefits: BGS offers a competitive total compensation package to eligible employees. Benefits include Health, Dental, Vision, Life Insurance, Paid Vacation, 401K, Long and Short-Term Disability. EEO: BGS is an Equal Opportunity/Affirmative Action employer. All qualified applicants are encouraged to apply and will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, or protected veteran status. Exclusive Agreement Disclaimer: BGS has standing contracts with federal agencies throughout the United States. We require an affirmative exclusive agreement to represent all candidates to our clients. By submitting this application, you are consenting to allow BGS to represent you as a candidate for the role in which you are applying.