NewMechanical Design Engineer II CYNET SYSTEMSMechanical Design Engineer IIRichmond, VA$50–$55 / hourTemporaryContractorPart timeAs a nationally and locally certified Minority Business Enterprise (MBE), Cynet Systems is committed to helping organizations build high-performing teams while empowering professionals to grow rewarding careers. Provide technical disposition and guidance to field engineers and service managers during outage planning and execution for industrial, fossil, and nuclear steam turbines, including both GE and OEM equipment.
NewGPE SPS Design Engineer – Services Lead Professional AxelonGPE SPS Design Engineer – Services Lead ProfessionalRichmond, VALead small-scale steam turbine service projects of low to moderate complexity, ensuring successful execution and delivery, such as steam turbine interchangeability studies. Provide technical disposition and guidance to field engineers and service managers during outage planning and execution for industrial, fossil, and nuclear steam turbines, including both company and OEM equipment.
Administrative Assistant, Senior Naval Nuclear LaboratoryAdministrative Assistant, SeniorNewport News, VA$52,300–$78,500 / yearNaval Nuclear Laboratory personnel are FMP employees who work at four DOE facilities: Bettis Atomic Power Laboratory, Knolls Atomic Power Laboratory, Kenneth A. Kesselring Site, and Naval Reactors Facility, and at the U.S. Department of Defense-owned Nuclear Power Training Unit-Charleston. For nearly 70 years, the Naval Nuclear Laboratory has developed advanced nuclear propulsion technology, provided technical support, and trained world-class nuclear operators to ensure the safe and reliable operation of our nation's submarine and aircraft carrier Fleets.
Operator, Reactor Supervisor Constellation EnergyOperator, Reactor SupervisorPortsmouth, VA$159,000–$191,000Degree from a 4-year program or equivalent in engineering, engineering technology or physical sciences, or professional engineer license, and more than 1.5-years as a qualified non-licensed operator or a supervisor or manager in work control, operations, engineering, outage management, maintenance, radiation protection, chemistry, or accredited training at a comparable (BWR or PWR) facility. 1.5-years or more in a position equivalent to Reactor Operator (or Supervisor) at military reactor (i.e., Power Plant Watch Engineer, Engineering Watch Supervisor, Reactor Operator, Engineering Officer of the Watch, Propulsion Plant Watch Supervisor).
Senior Nuclear Engineer Leidos Holdings IncSenior Nuclear EngineerReston, VA$131,300–$237,350 / yearExperience developing and executing physics-based simulations using tools such as MCNP, SCALE, ORIGEN, COMSOL, and related modeling software, supplemented by data analysis tools such as Python, MATLAB, or C++. Responsibilities include conducting technical assessments of foreign nuclear weapons infrastructure to reverse-engineer protective hardening measures and identify facility, process, and supply chain vulnerabilities.
NewNuclear Engineer Booz Allen Hamilton Inc.Nuclear EngineerArlington, VA$77,600–$176,000 / yearThat expertise is essential when conducting detailed engineering analyses for the Department of War-evaluating site viability, guiding customers through licensing and permitting pathways, and supporting multiple sites throughout the nuclear lifecycle from construction through decommissioning. We need a nuclear engineer who specializes in reactor systems, electrical integration, site viability, and regulatory pathways and who can communicate complex technical insights across interdisciplinary teams to shape the next generation of large‑scale energy capabilities.
Nuclear Engineer (Engineering Technician 3) - 27651 HII Mission Technologies DivisionNuclear Engineer (Engineering Technician 3) - 27651Newport News, VA$54,109–$66,955.20 / yearAs a nuclear Engineering Technician for our Virginia Class Submarine Program at HII you will provide task support by applying the Joint Fleet Maintenance Manual (JFMM)/Tag-out User’s Manual (TUM) requirements to systems maintenance and testing in a depot level maintenance period on the E84 SEP Test Engineering department during a nuclear ship's maintenance period. Performs detailed mathematical calculations using established formulas; preliminary analyses of data where guidelines are provided in such areas as trajectory adequacy, model dimensional consistency; and quantitative judgments concerning technical data.
Nuclear Engineer - Mid and Sr Nalley ConsultingNuclear Engineer - Mid and SrCharlottesville, VARequired experience: 3+ years of experience supporting nuclear engineering research Required education: Bachelor’s degree in physics, engineering, engineering technologies, or a physical science field. Nalley Consulting is a Service Disabled Veteran Owned Small Business working with prime partners to staff Department of Defense and Intelligence Community positions.
Nuclear Engineer (Engineering Technician 3) - 27651 Huntington Ingalls Industries IncNuclear Engineer (Engineering Technician 3) - 27651Newport News, VA$54,109–$66,955.20 / yearWith a holistic approach to life-cycle maritime defense systems\u2014from small watercraft to submarines, surface combatants and aircraft carriers\u2014HII ensures a high state of readiness.\n \nHII supports the Department of Energy's national security mission through the management and operation of its sites, as well as the safe cleanup of legacy waste across the country. As a nuclear Engineering Technician for our Virginia Class Submarine Program at HII you will provide task support by applying the Joint Fleet Maintenance Manual (JFMM)/Tag-out User's Manual (TUM) requirements to systems maintenance and testing in a depot level maintenance period on the E84 SEP Test Engineering department during a nuclear ship's maintenance period.
Principal/Lead Nuclear Engineer Mpr Associates, Inc.Principal/Lead Nuclear EngineerAlexandria, VirginiaOversee MPR engineers performing neutronics simulations and core design: criticality safety evaluations, critical core configurations, fuel cycle management, activation calculations, radiation detection and shielding analyses: alarm setpoint determination, shielding optimization, ALARA implementation, dosimetry calculations. The role requires deep expertise in or an ability to quickly master several nuclear engineering related topics, including neutronics, thermal hydraulics, shielding, fuel and nuclear materials, and radiological consequence evaluation combined with strong communication skills, adherence to best practices, and an eye for growing MPR's portfolio.
Principal Nuclear Engineer SME Leidos Holdings IncPrincipal Nuclear Engineer SMEReston, VA$154,050–$278,475 / yearThe successful candidate will lead technical assessments of foreign nuclear weapons infrastructure, reverse engineer protective hardening measures, and identify vulnerabilities across facilities, processes, and supply chains. Leidos' Analysis Solutions business area is seeking a highly accomplished Principal Nuclear Engineer Subject Matter Expert (SME) to support critical national security missions in Reston, Virginia.
NewSenior Nuclear Engineer LeidosSenior Nuclear EngineerReston, Virginia$131,300–$237,350 / yearExperience developing and executing physics-based simulations using tools such as MCNP, SCALE, ORIGEN, COMSOL, and related modeling software, supplemented by data analysis tools such as Python, MATLAB, or C++. June 10, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Nuclear Engineer (Engineer II) Framatome North AmericaNuclear Engineer (Engineer II)Lynchburg, Virginia$120,723–$125,000 / yearFull timeAnalyze with uncertainty quantification, and generate neutronics power histories, the results of which are used by Loss of Coolant Accident analysis group, thermal-hydraulics team, and different other fuel performance teams. Perform calculations supporting Neutronics Inputs to Safety analyses that feed the licensing and regulatory compliance documents ensuring robust margins for shutdown, transients, and long-term operation.
Nuclear Engineer (Engineer II) Framatome SASNuclear Engineer (Engineer II)Lynchburg, VA$120,723–$125,000 / yearAnalyze with uncertainty quantification, and generate neutronics power histories, the results of which are used by Loss of Coolant Accident analysis group, thermal-hydraulics team, and different other fuel performance teams. Perform calculations supporting Neutronics Inputs to Safety analyses that feed the licensing and regulatory compliance documents ensuring robust margins for shutdown, transients, and long-term operation.
Principal Nuclear Engineer SME LeidosPrincipal Nuclear Engineer SMEReston, VirginiaThe successful candidate will lead technical assessments of foreign nuclear weapons infrastructure, reverse engineer protective hardening measures, and identify vulnerabilities across facilities, processes, and supply chains. Leidos' Analysis Solutions business area is seeking a highly accomplished Principal Nuclear Engineer Subject Matter Expert (SME) to support critical national security missions in Reston, Virginia.
Senior Nuclear Criticality Safety Engineer BWX Technologies IncSenior Nuclear Criticality Safety EngineerLynchburg, VA$86,000–$136,000 / yearBWX Technologies, Inc. and its affiliates and subsidiaries (BWXT) is not responsible for and does not accept any liability for fees or other costs associated with resumes or candidates presented by recruiters or employment agencies, unless a binding, written recruitment agreement between BWXT and the recruiter or agency exists prior to the presentation of candidates or resumes to BWXT and includes the specific services, job openings, and fees to be paid ("Agreement"). A U.S.-based company, BWXT is a Fortune 1000 and Defense News Top 100 manufacturing and engineering innovator that provides safe and effective nuclear solutions for global security, clean energy, environmental restoration, nuclear medicine and space exploration.
Nuclear Structural Engineer (Engineer Structural 3) - 28622 Huntington Ingalls Industries IncNuclear Structural Engineer (Engineer Structural 3) - 28622Newport News, VA$87,305–$106,013 / yearAnalyzes, researches and develops structural engineering specifications involving metals, non-metallic or composite structural materials for product design, or operation of product to include structures, mechanical, hydraulic, electrical and electronics, power plant, armament, heating and ventilating, equipment and maintenance designs. 5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; 0 years experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience.
Senior Nuclear Criticality Safety Engineer BWXTSenior Nuclear Criticality Safety EngineerLynchburg, VA$86,000–$136,000 / yearBWX Technologies, Inc. and its affiliates and subsidiaries (BWXT) is not responsible for and does not accept any liability for fees or other costs associated with resumes or candidates presented by recruiters or employment agencies, unless a binding, written recruitment agreement between BWXT and the recruiter or agency exists prior to the presentation of candidates or resumes to BWXT and includes the specific services, job openings, and fees to be paid (“Agreement”). A U.S.-based company, BWXT is a Fortune 1000 and Defense News Top 100 manufacturing and engineering innovator that provides safe and effective nuclear solutions for global security, clean energy, environmental restoration, nuclear medicine and space exploration.
ENGINEER NUCLEAR 4 Huntington Ingalls Industries IncENGINEER NUCLEAR 4Newport News, VA$124,000–$153,000 / yearHII's diverse workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals. With more than 25,000 employees - including third-, fourth- and even fifth-generation shipbuilders - HII's Newport News Shipbuilding (NNS) division is the largest industrial employer in Virginia.
NUCLEAR LIAISON 3 (ENGINEER MECHANICAL 3) Huntington Ingalls Industries IncNUCLEAR LIAISON 3 (ENGINEER MECHANICAL 3)Newport News, VAAnalyzes engineering specifications and drawings; confers with quality, material, manufacturing and subcontractors to provide and obtain technical information; investigates reports of defective, damaged or malfunctioning parts, assemblies, equipment or systems; and reviews production schedules and orders. Researches, plans, designs and develops mechanical products and systems such as instruments, controls, robots, engines, machines and mechanical, thermal hydraulic or heat transfer systems for production, transmission, measurement, and use of energy.