Instrumentation and Controls Engineer Ocean AtomicsInstrumentation and Controls EngineerBethesda, MarylandDesigns and analyzes the instrumentation and control (I&C) systems for the reactor and ship plant, sensors, control logic, protection systems, and operator interfaces. This role involves access to information subject to U.S. export control laws, including unclassified nuclear technology governed by the U.S. Department of Energy under 10 CFR Part 810.
Radiation Shielding Engineer Ocean AtomicsRadiation Shielding EngineerBethesda, MarylandDesigns and analyzes radiation shielding throughout the reactor and ship to keep dose rates within limits for crew, equipment, and the public, while developing shielding configurations that can be fabricated, handled, and installed efficiently within the constraints of shipyard construction. Develop shielding arrangements optimized for shipboard installation: modular geometries, manageable component weights, access for handling equipment, and compatibility with build and outfitting sequences.
Thermal Hydraulics Engineer III-V X Energy LLCThermal Hydraulics Engineer III-VRockville, MD$115,000–$140,000 / yearPerform computations utilizing hand calculations and analytical tools for structural, thermal, hydraulic, and other scoping calculations as required at the direction of project leads and systems engineers to ensure SSCs can meet technical requirements. A master's degree in engineering or related field (may include a combination of experience obtained through an academic institution, e.g., design projects, research, or design teams, as well as professional experience) may be in lieu of two years of experience.
Engineer III-IV, Engineering Strategy X Energy LLCEngineer III-IV, Engineering StrategyRockville, MD$119,820–$199,700 / yearThe Engineer, Engineering Strategy & Operations plays a pivotal role in advancing small modular reactor development projects by proactively identifying and removing obstacles to ensure consistent progress toward key milestones. Job Profile Tasks/Responsibilities: Identify, track, and proactively remove roadblocks across HTGR reactor development projects to maintain progress against critical timelines.
AI Platform Engineer X Energy LLCAI Platform EngineerRockville, MD$150,000–$183,000 / yearThe DevOps Engineer will work with the AI and Application Development team to accelerate deployment velocity, ensure system reliability, and enable the rapid delivery of AI-infused capabilities across engineering, manufacturing, regulatory, and deployment processes. Architect and manage AWS infrastructure using Terraform, including ECS (Elastic Container Service), ECR (Elastic Container Registry), VPC, EC2, ALB/NLB, and other cloud services.
GENERAL ENGINEER - DIRECT HIRE AUTHORITY United States Air ForceGENERAL ENGINEER - DIRECT HIRE AUTHORITYWashington, DC$62,668–$158,756 / yearAdditionally, if you are applying for a higher grade (GS) and your SF-50 has an effective date within the past year, it may not clearly demonstrate you meet the one year time-in-grade requirement so you will need to provide an SF-50 which clearly demonstrates you meet the time-in-grade requirements (examples of appropriate SF-50s include Promotions, Within-grade Grade/Range Increases, and SF-50s with an effective date more than one year old). DR-0801-02: Performs complex, accurate, and technically rigorous model-based analysis of adversary components, nodes, networks and/or systems based on multiple structured and unstructured intelligence datasets to produce targeting solutions in support of joint planning and operational requirements.
CFD/ Thermal Hydraulics Engineer III X Energy LLCCFD/ Thermal Hydraulics Engineer IIIRockville, MD$115,000–$140,000 / yearA master's degree in engineering or related field (may include a combination of experience obtained through an academic institution, e.g., design projects, research, or design teams, as well as professional experience) may be in lieu of two years of experience. Perform computations utilizing hand calculations and analytical tools for structural, thermal, hydraulic, and other scoping calculations as required at the direction of project leads and systems engineers to ensure SSCs can meet technical requirements.
PAE Fires M&S Software Engineer Mitre CorpPAE Fires M&S Software EngineerMcLean, VA$129,200–$161,500 / yearKey sponsors of the Department work program include CPE Simulation, Training, Test, & Threat (Orlando, FL), CPE Ground - Soldier Systems (Fort Belvoir, VA), CPE Ground - Combat Platforms and DEVCOM Ground Vehicle Systems Center (Ann Arbor, MI), DEVCOM Soldier System Center (Natick, MA), PAE Fires and CPE Aviation (Huntsville, AL), Army Test and Evaluation Command (Aberdeen Proving Ground, MD) and CPE Chemical, Biological, Radiological and Nuclear Defense (Edgewood, MD). The work programs leverage a diverse set of technical disciplines from within the Department and across the corporation to maximize our impact in solving some of the Army's toughest modernization challenges in the areas of systems engineering, agile software development, test and evaluation, digital engineering, autonomous systems, and training.
Modeling and Simulation Engineer Mitre CorpModeling and Simulation EngineerMcLean, VA$103,600–$129,500 / yearKey sponsors of the Department work program include CPE Simulation, Training, Test, & Threat (Orlando, FL), CPE Ground - Soldier Systems (Fort Belvoir, VA), CPE Ground - Combat Platforms and DEVCOM Ground Vehicle Systems Center (Ann Arbor, MI), DEVCOM Soldier System Center (Natick, MA), PAE Fires and CPE Aviation (Huntsville, AL), Army Test and Evaluation Command (Aberdeen Proving Ground, MD) and CPE Chemical, Biological, Radiological and Nuclear Defense (Edgewood, MD). The work programs leverage a diverse set of technical disciplines from within the Department and across the corporation to maximize our impact in solving some of the Army's toughest modernization challenges in the areas of systems engineering, agile software development, test and evaluation, digital engineering, autonomous systems, and training.
Senior ICS/SCADA & Industrial Controls Engineer WiSC Enterprises, LLCSenior ICS/SCADA & Industrial Controls EngineerReston, Virginia$150,000–$170,000 / yearFull timeBachelor's degree in a STEM field (Electrical Engineering, Mechanical Engineering, or related discipline) with relevant professional certifications and 12+ years of experience, or a Master's degree with 10+ years of relevant experience. This role focuses on understanding commercial and heavy industrial facilities, as well as the interoperability of systems managed through Industrial Control Systems (ICS) and Building Management Systems (BMS).
Engineer V, Configuration X Energy LLCEngineer V, ConfigurationRockville, MD$149,021–$248,369 / yearThe Engineer V, Configuration serves as a key connector across engineering, manufacturing, and quality teams to support disciplined change management, full traceability, and continuous improvement of configuration processes and tools. Manage part traceability, including serial number and lot number tracking, to support complete component identification and lifecycle traceability across products and projects.
Senior Test Automation Developer (Engineer Software Quality 4) - 28180 Huntington Ingalls Industries IncSenior Test Automation Developer (Engineer Software Quality 4) - 28180Fairfax, VA$113,838–$130,000 / yearusing clear, concise and meaningful communications, the candidate will work closely with software engineers and other project team members to successfully test and assess ongoing development within demanding schedules, as well as, produce test cases and other Postal project documentation. The successful candidate will have advanced to expert level knowledge of automation test tools and will participate in the planning, designing, maintenance and running of automated tests in a fast-paced environment requiring highly complex test automation programming techniques.
NLCC Communications Engineer Mitre CorpNLCC Communications EngineerVA$162,400–$203,000 / yearPreferred Qualifications: MS in EE or Systems Engineering (SE) or equivalent and 8 years of related experience in DoD and National Senior Leader Communications, DoD Continuity of Operations, Continuity of Government, Nuclear Command, Control, and Communications, or National and DoD Policies and Directives related to the identified domains. Experience in areas such as DoD and National Senior Leader Communications, DoD Continuity of Operations, Continuity of Government, Nuclear Command, Control, and Communications, or National and DoD Policies and Directives related to the identified domains.
Federation Manager (Engineer Systems 3) Huntington Ingalls Industries IncFederation Manager (Engineer Systems 3)VA$104,503–$140,000 / yearMission Technologies, a division of Huntington Ingalls Industries, is looking for a qualified individual to fill the role of Engineer Systems 3 - Federation Manager in support of Navy Surface Warfare Center - Corona (NSWC Corona) in providing Marine Corps Live, Virtual, and Constructive (LVC) training. 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.
NewAcoustic Engineer CbAcoustic EngineerWashington, District of ColumbiaThe Acoustic Engineer will support the Acoustics Systems Integration Team and work closely with Navy program leadership, technical stakeholders, Systems Integration Teams (SITs), and NAVSEA Technical Warrant Holders. iQuasar is seeking an experienced Acoustic Engineer to provide technical and programmatic engineering support to the U.S. Navy's PMS 450 VIRGINIA Class Submarine Program Office at the Washington Navy Yard in Washington, DC.
NewCFD/Thermal Hydraulics Engineer III-IV X Energy LLCCFD/Thermal Hydraulics Engineer III-IVRockville, MD$122,500–$138,750 / yearThe role may include specialization in one or more of the following areas: Responsible for providing heat transfer, fluid mechanics, and particulate mechanics analysis to support the design of various X-energy developed reactors and supporting subsystems. Perform computations utilizing hand calculations and analytical tools for structural, thermal, hydraulic, and other scoping calculations as required at the direction of project leads and systems engineers to ensure SSCs can meet technical requirements.
Systems Engineer Technical Specialist (O&M) Rite-Solutions IncSystems Engineer Technical Specialist (O&M)Chantilly, VAThere are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. Headquartered in Chantilly, VA with 16 global offices, Arcfield employs more than 1,500 engineers, analysts, IT specialists, and other professionals with more than 60 years of collective proven experience supporting missions in cyber and space defense, space exploration, hypersonic and nuclear deterrence and warfighter readiness.
Aerospace Systems Engineer I - Early Career (2026 Starts) Blue Origin Enterprises LPAerospace Systems Engineer I - Early Career (2026 Starts)Reston, VA$99,201–$138,880.35 / yearand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing, vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs.
2027 Internship - System Realization and Resilience Engineer Johns Hopkins University Applied Physics Laboratory LLC2027 Internship - System Realization and Resilience EngineerLaurel, MDWe are seeking a System Realization and Resilience Engineering Intern with interest in the specialty engineering domains (i.e. reliability engineering, cyber resilience, nuclear command and control and surety) or interest in Digital Engineering (DE) implementation for the System Realization and Resilience Group in the Force Projection Sector. As a System Realization and Resilience Engineering Intern, you will: Work on teams to support systems engineering activities with emphasis on using specialty engineering expertise to inform the realization and resiliency of strategic deterrent systems.
Network Engineer ArcfieldNetwork EngineerChantilly, VirginiaFull timeTo include providing network maintenance and system upgrades including service packs, patches, hot fixes and security configurations, and troubleshooting complex network issues involving various factors ; m onitoring network performance to ensure availability and reliability . Our solution areas include space mission engineering, atmospheric science, digital engineering, mission assurance, and advances in modeling and simulation that together with our enterprise-wide adoption of artificial intelligence and machine learning, lead to better systems and timely, reliable decision-making.