Senior Reactor Operator Constellation EnergySenior Reactor OperatorBryantown, MDDegree 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 Staff member, 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 a military reactor (i.e., Power Plant Watch Engineer, Engineering Watch Supervisor, Reactor Operator, Engineering Officer of the Watch, Propulsion Plant Watch Supervisor).
Senior Transportation - Water Resources Engineer Whitman, Requardt & Associates, LLPSenior Transportation - Water Resources EngineerFairfax, VA$160,000–$240,000 / yearFull timeVarious Hydraulic Engineering Circulars (HEC’s) for scour, stream and bank stability, roadway stability and stream scour/stability countermeasure design including but not limited to HEC-18, HEC-20 and HEC-23. The specific compensation offered to a candidate may vary based on factors including, but not limited to, the candidate’s relevant knowledge, training, skills, work location, and/or experience.
Senior Program Manager LeidosSenior Program ManagerAlexandria, VA$154,050–$278,475 / yearThe role blends hands-on agile program leadership with product thinking: balancing COTS product baseline alignment, mission-specific customization, release planning, and sustainment in a secure, fast-moving environment. This position represents a critical opportunity to translate an existing, proven product into mission-optimized outcomes—delivering measurable improvements in planning, resource allocation, and decision speed for the end user, and positioning the program for follow-on scope and expanded mission adoption.
NewSenior Manager, ERP Product HITT ContractingSenior Manager, ERP ProductFalls Church, VA$120,000–$175,000 / yearReporting to the Director of Product, this leader owns the Oracle ERP product roadmap for their area end to end: partnering with the business to find the highest-value problems, translating them into clear product bets, sequencing the backlog, and driving delivery through rapid, iterative cycles. Hands-on experience with Oracle Cloud ERP (Fusion) implementation, configuration, or ongoing product ownership across one or more of: Financials, Procurement/AP, Project Portfolio Management, Enterprise Performance Management, or Human Capital Management.
NewSenior Manager, Software Engineering HITT ContractingSenior Manager, Software EngineeringFalls Church, VA$120,000–$175,000 / yearReporting to the Head of Software Engineering, the Principal Software Engineer sets the technical direction for how software gets built at HITT — architecting the practice’s first AI-native applications, establishing the platform and paved-road tooling every team will use, and writing production code every day alongside AI coding agents. The Principal Software Engineer will help recruit engineers into a lean, agile, AI-augmented team and will train HITT’s existing developers in AI-enabled methods — through pairing, code review, workshops, and reference implementations — raising the technical bar for the entire practice.
NewVirtual Construction - Senior Manager HITT ContractingVirtual Construction - Senior ManagerFalls Church, VA$120,000–$165,000 / yearAs Virtual Construction Senior Manager, you'll lead multiple functions within our Virtual Construction department—BIM coordination and clash detection, 4D sequencing and animation, and model-based quality control—turning virtual construction from a project service into a competitive advantage that shapes how our teams plan, coordinate, and execute. The Virtual Construction Senior Manager will lead the integration of virtual construction methodologies into project delivery, providing oversight and leadership across multiple functions—BIM coordination and clash detection, 4D sequencing and animation, and model-based quality control.
NewSr. Cyber AI Operations Researcher Johns Hopkins Applied Physics Laboratory (APL)Sr. Cyber AI Operations ResearcherLaurel, MDProvide subject matter expertise in the areas of Cyber AI Operations and Mission Assurance Develop innovative, cutting-edge prototype solutions to tradecraft-driven problems for DoD and IC customers by blending latest research and industry best practices. Have experience with integrating full spectrum cyber AI operations (network operations, defensive cyberspace operations, and offensive cyberspace operations) and conventional military operations (kinetic, information, and electronic warfare).
NewSenior Electronic and Optical Materials Device Fabrication Engineer Johns Hopkins Applied Physics Laboratory (APL)Senior Electronic and Optical Materials Device Fabrication EngineerLaurel, MDBuild and maintain version-controlled GDS/layout databases with Python-based automation for parametric layout generation, fracturing, and design rule checking, and develop data-analysis pipelines linking design, fabrication, and metrology data for CD, overlay, and yield trends. The role is predominantly fabrication-focused, with a majority of working hours spent in a cleanroom or laboratory environment, including the cleanroom at JHU-APL in Laurel, MD and other multi-user facilities within a 20 min to 1 hr drive.
NewSenior Data Scientist (TS/SCI cleared) Johns Hopkins Applied Physics Laboratory (APL)Senior Data Scientist (TS/SCI cleared)Laurel, MDThe Threat Analytic Systems (QAI) Group is seeking talented team members who will help provide our nation with ground-breaking capabilities that bridge the gaps between data, the latest developments in technology, and real-world impact of national importance. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.
NewSenior Salesforce Engineer ElasticSenior Salesforce EngineerWashington DC, DCIn this role, success goes beyond ticket counts; you will streamline critical revenue processes, scale platform architecture, and leverage AI to build smart automations that eliminate manual work, serving as a key technical partner driving meaningful business impact. • Proficiency in modern frontend technologies (JavaScript/TypeScript, HTML, CSS, modern frameworks) and backend development (object-oriented programming, RESTful API design, databases/SQL, data modeling).
NewSenior Full Stack IoT Software Developer SarnovaSenior Full Stack IoT Software DeveloperWashington DC, DCRemoteBy driving the development of intelligent, connected devices, the Senior Full Stack IoT Developer directly supports strategic initiatives in product innovation, operational efficiency, and customer experience. Customers’ emergency preparedness needs are met via Cardio Partners’ nationwide CPR training courses and state-of-the-art program management services.
NewVirtual Construction - Reality Capture Senior Associate HITT ContractingVirtual Construction - Reality Capture Senior AssociateFalls Church, VA$82,000–$117,000 / yearThis position will utilize terrestrial laser scanning, mobile mapping systems, and photogrammetry to generate high-fidelity digital representations of construction environments, providing critical data assets for design verification, progress tracking, and coordination workflows. Working closely with field teams, Virtual Construction specialists, and Project Managers, you will help transform existing site conditions into actionable digital models that drive accuracy, safety, and efficiency throughout the construction lifecycle.
NewSenior Metallurgist – Alloy Design & Advanced Manufacturing Johns Hopkins Applied Physics Laboratory (APL)Senior Metallurgist – Alloy Design & Advanced ManufacturingLaurel, MDUse computational thermodynamics and materials modeling tools such as Thermo-Calc/CALPHAD to explore composition space, predict phase stability and transformations, and guide experimental alloy development. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.
NewSenior NLCC Communication Systems Engineer Johns Hopkins Applied Physics Laboratory (APL)Senior NLCC Communication Systems EngineerArlington, VAProvide technical expertise, analysis, and systems engineering support for the NLCC to include the Senior Leadership Command, Control and Communications System (SLC3S) in technical interchange meetings, technical and policy development working groups, and program reviews. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.
NewSenior AFSIM Analyst Johns Hopkins Applied Physics Laboratory (APL)Senior AFSIM AnalystLaurel, MDCollaborate with our software development teams on improving our customized tools, including designing efficient representations for large datasets, testing accurate interactions across interdependent algorithms, and automating production analysis pipelines. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.
NewSenior Air-to-Air Modeling and Simulation Analyst Johns Hopkins Applied Physics Laboratory (APL)Senior Air-to-Air Modeling and Simulation AnalystLaurel, MDAPL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development. Develop, evaluate, and analyze tactics and concepts of employment for ground breaking technologies such as air platforms, sensors, countermeasures, and weapons including manned-unmanned vehicles.
NewSenior Reliability Engineer Johns Hopkins Applied Physics Laboratory (APL)Senior Reliability EngineerLaurel, MDFMEA, FMECA, Reliability Block Diagrams, Fault Tree Analysis, Probabilistic Risk Assessment and so forth) to quantify risk and inform program decisions in early concept development, acquisition, requirements analysis, design, test and evaluation, and sustainment. You will participate as a reliability SME in various projects, studies, and technical working groups focusing on requirements development, analysis, concept/technology development, acquisition, risk assessments, test planning and system evaluation.
NewSenior Spacecraft Thermal Engineer Johns Hopkins Applied Physics Laboratory (APL)Senior Spacecraft Thermal EngineerLaurel, MDConduct and communicate thermal design trade studies that balance performance margins, resource use, risk, cost, and schedule, and present thermal engineering results at peer reviews, design reviews, and other major technical reviews. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.
NewSenior Embedded Systems & Hardware-in-the-Loop Engineer Johns Hopkins Applied Physics Laboratory (APL)Senior Embedded Systems & Hardware-in-the-Loop EngineerLaurel, MDThe Electro Optical Seeker and Infrared Systems group (A1F) of the Air and Missile Defense Sector (AMDS) is seeking a Senior Embedded Systems & Hardware-in-the-Loop Engineer to lead the architecture and implementation of complete embedded systems, custom electronics hardware, FPGA firmware, real-time embedded software, and sophisticated HWIL test systems. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.
NewSenior Embedded Systems Developer Johns Hopkins Applied Physics Laboratory (APL)Senior Embedded Systems DeveloperLaurel, MDHave 6+ years of experience developing and enhancing hardware and software for embedded systems, such as FPGAs, systems-on-a-chip (SoCs), real-time operating systems (RTOS), microcontrollers, and/or weapon systems assemblies, using supported tools and toolchains, such as Vivado Design Suite (incl. Together, we will build capabilities that address sophisticated cyber challenges, assess and integrate real-time systems, perform laboratory and field testing, assist in post-processing data analysis, and communicate findings to sponsors.