Lead Software Engineer/Developer - Contingent AretumLead Software Engineer/Developer - ContingentMcLean, VARemoteImplement API integration and content transfer capabilities, including source and target API connectivity, authentication and authorization, secure transport, retry and error-handling logic, transfer status monitoring, and end-to-end transaction logging and traceability. Integrate existing malware scanning, file integrity validation (checksum comparison), and content routing utility services into exchange workflows through their documented APIs, including quarantine handling and remediation paths.
Staff Software Engineer, Autonomous Pilot Integration – Weapons (R5400) Shield AIStaff Software Engineer, Autonomous Pilot Integration – Weapons (R5400)Washington, DCCollaboration Across Teams & Partners – Serve as a primary technical interface with the Autonomy Capabilities team, Perception team, feature crews, autopilot vendors, C2 providers, and customer/contractor partners; influence interface definitions and coordinate integration across organizations. We combine capabilities from the Autonomy Capabilities team (motion planning, tactics), the Perception team (e.g., track fusion), and the HivemindSDK to develop the autonomy software that runs on launched effects platforms, then integrate, validate, and field it on the real hardware—for U.S. and international defense customers.
Radar Engineer Ideal InnovationsRadar EngineerAdelphi, MDTypical Day: A typical day will be spent in the office and laboratory, involving a wide variety of activities, including design and analysis, software and hardware testing and evaluation, customer meetings, and design review meetings. Working alongside top talent from the civilian, contractor, and military sectors at one of the nation's premier laboratories, you will have access to advanced test equipment and analysis software.
Lead Forward Deployed Engineer (TS/SCI Clearance Required) LumbraLead Forward Deployed Engineer (TS/SCI Clearance Required)Arlington, VirginiaYou manage three to five people across both field roles, Forward Deployed Engineers and Deployment Strategists, you own the technical outcome for the engagement, and you serve as Lumbra's senior technical counterpart to the customer. CIA officers, MIT engineers, Special Operations combat veterans, and applied AI engineers from frontier labs including Anthropic and Google.
Marine Electrical Engineer II - Arlington, VA SercoMarine Electrical Engineer II - Arlington, VAHerndon, VAThis team collaborates on naval engineering contracts, supporting the Navy, the Defense Advanced Research Projects Agency (DARPA), and other commercial entities, driving innovation and delivering solutions to complex challenges. + Develop power/control system hardware and software drawings, schematics, test procedures, and specifications, applying industry and regulatory body requirements appropriate and applicable to the ship design; such as ABS SVR, IEEE 45, NFPA, CFR46, and MIL Specifications.
Senior Electrical Engineer SercoSenior Electrical EngineerHerndon, VAThis team collaborates on naval engineering contracts, supporting the Navy, the Defense Advanced Research Projects Agency (DARPA), and other commercial entities, driving innovation and delivering solutions to complex challenges. + Lead the design and specification of marine electrical systems from concept design, through detailed design and construction, including Power generation and distribution (LV/HV), Switchboards, transformers, UPS, and emergency power systems, Propulsion and thruster electrical systems, Automation, control, and monitoring systems.
Sr. Systems Engineer SercoSr. Systems EngineerWashington, DCPerform programmatic or technical leadership roles in an organization identifying, formulating, designing, and/or testing practical solutions to engineering problems; + Guiding the engineering development of modern complex systems; Employ systems engineering methods and tools in the development of advanced complex systems; + Conduct research in applied systems engineering to advance the field. Serco supports the Naval Air Warfare Center Aircraft Division (NAWCAD) Systems Engineering Department (SED) in the areas of Research and development (R&D), integration, testing, production, deployment, and sustainment for Aviation and Weapons Programs.
Senior Transmission Line Engineer 2 - Grid Sargent & LundySenior Transmission Line Engineer 2 - GridDistrict of Columbia, Washington, DC$100,019–$152,807 / yearFull time7 or more years of experience as a member of a project team in observing project schedules and budget constraints on diverse transmission assignments that have included the following: transmission line design incorporating code requirements, cost estimate development, schedule creation and coordination, the preparation of specifications for procurement of transmission line materials and construction, and liaising with construction and installation. AI & Automation at Sargent & Lundy: In this role, we expect people to be willing or able to lead others who use modern tools: You are expected to lead others in taking engineering problems from issue to solution by setting expectations for using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs.
Software Development Engineer in Test Research InnovationsSoftware Development Engineer in TestAlexandria, VADragonfly is RII's next-generation electromagnetic spectrum operations platform, combining advanced sensor integration, GPU-accelerated signal processing, artificial intelligence, and autonomous spectrum operations to deliver real-time spectrum awareness, passive target detection, electronic warfare support, and mission-focused analytics across man-portable, vehicle-mounted, maritime, and airborne environments. In this role, you will design and execute test strategies spanning controlled lab environments and live outdoor RF collection scenarios, validating everything from core signal processing pipelines and direction finding accuracy to partner system integrations and the browser-based tactical UI.
Graduate Geotechnical Engineer PennoniGraduate Geotechnical EngineerColumbia, MarylandExcellent organizational skills: this person will be expected to multi-task / prioritize multiple assignments effectively in order to proactively balance their workload while meeting deadlines. Work with internal clients (Staff Engineers, Geologists, Designers, etc.) while also coordinating efforts with external customers (clients, drilling subcontractors, etc.) to ensure effective workflow.
Staff Civil Engineer PennoniStaff Civil EngineerLeesburg, VirginiaPrepare site grading plans for proposed activities to include pedestrian access parking, loading, and use buffers to connect to existing infrastructure adjacent to the site, or study area and identify limits of disturbance. Support initial aspects of project efforts and interface with clients with other Pennoni staff, including field visits, status meetings, and participating/ developing technical solutions and executing project tasks.
Electrical Engineer (HYBRID - Arlington, VA) Chinook SystemsElectrical Engineer (HYBRID - Arlington, VA)Arlington, VA$120,000–$170,000 / yearIf you have a strong background in Electrical engineering, with a particular focus on power generators, uninterruptible power supplies, life safety/emergency/mission critical power distribution, electric vehicle (EV) infrastructure, and other electrical equipment and system, we want to hear from you. Conduct surveys of existing areas and facilities, conduct design reviews, conduct code compliance inspections, witness code required testing, assist in code development and implementation, and execute small systems designs.
Electrical Engineer Nightwing Intelligence SolutionsElectrical EngineerSterling, VirginiaOur capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Bachelor’s degree in electrical engineering or related field with a minimum of 6 years of experience, or master’s degree in electrical engineering or related field with a minimum of 4 years of experience.
Senior Licensing Engineer - Safety Blue EnergySenior Licensing Engineer - SafetyBethesda, MarylandWe also pair natural gas with nuclear at our sites, so customers can start receiving power from gas turbines right away and then switch over to clean nuclear power once it comes online - getting energy to the grid faster while nuclear is being built. Instead of constructing each plant on-site from scratch - a process that takes 10-15 years and is too expensive and unpredictable to finance - we build our plants like ships: in a factory, on an assembly line, then transport and assemble them at the site.
Civil Design Engineer - Water Resources PennoniCivil Design Engineer - Water ResourcesChantilly, VirginiaThese design / planning tasks may include (but are not limited to) Hydrologic and Hydraulic [H&H] modeling, Stormwater Management [SWM], drainage, erosion control, plan & code reviews, feasibility studies, permitting, and report preparation. Assist with preparation of site development drawings using AutoCAD Civil 3D while transforming land survey data into comprehensive site plans (that adhere to municipal regulations).
Senior Analytics Data Engineer - Homes.com CoStar GroupSenior Analytics Data Engineer - Homes.comArlington, VirginiaWork with product and software engineering teams to define tracking strategy and data requirements; design and build automated scripts using SQL or python to transform raw source data into datasets for use in front-end business products and for analysts across the company. CoStar is investing heavily in artificial intelligence to accelerate software delivery, improve platform observability, automate research and business workflows, enhance product experiences through intelligent agents and skills, and improve data quality across enterprise systems.
Senior Cloud Platform Engineer Synergy ECPSenior Cloud Platform EngineerFairfax, VirginiaWe are looking for a Platform Engineer (Senior) to join our visible technical program driving the Model Based Systems Engineering (MBSE) cloud platform that supports collection, management and analysis of digital engineering information in an architecture that provides seamless digital thread and enables tool interoperability, including data structures suitable for AI applications. • Work with internal engineering resources as well as customer end-users to design and enhance the user interfaces for supported applications, maintaining responsive designs that accommodate challenging technical and functional requirements.
Atlassian Platform Engineer Synergy ECPAtlassian Platform EngineerWashington, District of ColumbiaWhat You Bring (Required Qualifications): Active Top Secret clearance Minimum 5 years supporting enterprise IT platforms or collaboration ecosystems Handson experience administering enterprise Jira, Confluence, and Crowd with focus on workflow design, automations and plugin management Familiarity with Linux administration, PostgreSQL, MySQL, and FISMA/ATO compliance Strong written and verbal communication; excels in stakeholder engagement and cross‑team collaboration. Work/Life Balance : A healthy work/life balance is essential for building and executing your work effectively at NSI/Synergy ECP, but it’s also necessary to allow you the room to pursue everything you want to develop in your personal life.
Licensing Engineer Blue EnergyLicensing EngineerChevy Chase, MarylandWe also pair natural gas with nuclear at our sites, so customers can start receiving power from gas turbines right away and then switch over to clean nuclear power once it comes online - getting energy to the grid faster while nuclear is being built. Instead of constructing each plant on-site from scratch - a process that takes 10-15 years and is too expensive and unpredictable to finance - we build our plants like ships: in a factory, on an assembly line, then transport and assemble them at the site.
Systems Engineer Nightwing Intelligence SolutionsSystems EngineerSterling, Virginia$99,000–$206,000 / yearThe Systems Engineer must maintain a strong awareness of technical trends in information technology, develop and maintain a strong awareness of on-going IT projects, and business unit requirements; be able to apply the Sponsor’s project management model for development efforts; and provide analysis, design, development, deployment, and lifecycle support for innovative hardware/software/ network systems and applications. Work involves developing and supporting end-to-end technical projects; ensure systems being developed comply with the enterprise technical architecture; help project and program teams prepare for project control gates; and keep senior management apprised of project or program status.