Software Engineer - JobID-0055 Innovative Defense TechnologiesSoftware Engineer - JobID-0055Arlington, Virginia$90,000–$184,000 / yearLeveraging advanced software automation, model-based systems engineering (MBSE), and AI-driven capabilities, IDT accelerates capability development, enhances operational readiness, and reduces lifecycle costs for the Department of Defense. Innovative Defense Technologies (IDT), provider of cutting-edge cloud-based integration, automated testing and data analysis for complex, mission-critical systems in the US Department of Defense (DOD), is seeking a Software Engineer to be based in our Arlington, VA office.
Firmware Engineer Kastle SystemsFirmware EngineerFalls Church, Virginia$140,000–$160,000 / yearKastle's integrated security solution, including access control, video, and remote video monitoring, significantly reduces costs and improves the critically important 24x7 performance for building owners, developers and tenants. We are looking for an experienced Firmware Engineer responsible for architecture, design, development & testing of CheckVideo’s flagship product assets.
GPU Software Engineer LeidosGPU Software EngineerArlington, Virginia$107,900–$195,050 / yearJune 8, 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. These teams are made up of other software team members and subject matter experts from the areas of systems engineering, hardware, firmware, machine learning, RF front end design, and signal processing.
Radar Systems Engineer Integration Innovation, Inc.Radar Systems EngineerWashington, D.C.$127,000–$250,000 / yearFull timeAbout i3: i3 is a technically diverse, 100% team member owned business, headquartered in Huntsville, Alabama specializing in missile and aviation systems engineering and logistic services, electronic warfare and electromagnetic effects analysis, UAS system integration and flight operations, full lifecycle C5ISR engineering services, cybersecurity and IT/IA innovative solutions and virtual training, simulation & serious game development and implementation. We have established a broad offering of products and capabilities collectively providing decades of experience supporting the full complement of DoD military services, Missile Defense Agency, National Aeronautics and Space Administration, and a variety of other Government organizations and private industry customers.
Engineer I, Systems Meso Scale DiscoveryEngineer I, SystemsGaithersburg, MD$67,900–$101,000 / yearPOSITION SUMMARY: The Systems Engineer I is responsible for assisting in the development and management of requirements and specifications, system integration and testing of electromechanical, fluidic, thermal control, and imaging systems, and formal verification and validation testing. This salary range represents a general guideline as MSD considers other factors when presenting an offer of employment, such as scope and responsibilities of the position, external market factors, and the candidate's knowledge, skills, abilities, education and experience.
Software Engineer Meso Scale DiscoverySoftware EngineerGaithersburg, MD$78,100–$116,200 / yearThis salary range represents a general guideline as MSD considers other factors when presenting an offer of employment, such as scope and responsibilities of the position, external market factors, and the candidate's knowledge, skills, abilities, education and experience. The position involves developing technical solutions that incorporate artificial intelligence (AI), machine learning (ML), computer vision, and IoT to solve complex scientific and engineering problems.
Real-Time Software Engineer LeidosReal-Time Software EngineerArlington, VirginiaBachelor’s Degree in Computer Engineering, Electrical Engineering, or Computer Science, or related discipline 8+ years of software development experience, including strong experience in programming in Python, MATLAB, or C++Strong understanding of object-oriented design. Projects involve small multi-disciplinary teams of engineers working together in spiral or agile development environments to meet aggressive customer schedules aimed at near-term field demonstrations.
Sr. Communications Engineer Systems Planning and AnalysisSr. Communications EngineerWashington, DC, Washington, DC$135,000–$175,000 / yearFull timeLeverage specialized tools including Cambium LINKPlanner for point-to-point and point-to-multipoint microwave/wireless link design, path profiling, performance prediction, and “what-if” scenario modeling; and Spectrum Center’s Spectrum-E for spectrum management, e-licensing support, technical analysis (coverage plots, best server analysis, interference studies), and coordination workflows. Engage with internal stakeholders (e.g., DHS components like CBP, TSA, and NTIA/FCC spectrum offices) and external partners (e.g., contractors, interagency groups, commercial carriers) to resolve technical challenges, ensure system interoperability, coordinate spectrum access, and support frequency allocation requests for mission-critical border operations.
Sr. FPGA Engineer II Rocket Lab CorporationSr. FPGA Engineer IIChantilly, VA$143,300–$214,850 / yearTo conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Our Space Systems team builds everything from complete spacecraft, precision payloads to the components and subsystems that allow them to thrive in space, like solar panels, flight software, star trackers, optical systems, separation systems, radios, and more.
Principal FPGA Engineer Rocket Lab CorporationPrincipal FPGA EngineerChantilly, VATo conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Our Space Systems team builds everything from complete spacecraft, precision payloads to the components and subsystems that allow them to thrive in space, like solar panels, flight software, star trackers, optical systems, separation systems, radios, and more.
Cyber Security Engineer II Redhorse CorporationCyber Security Engineer IIWoodbridge, VAEducational Requirement: Bachelor’s degree in Computer Science, Computer Engineering, Software Engineering, Electrical Engineering, Computer Security, or Network Engineering. We’re looking for thoughtful, skilled professionals who thrive as trusted partners building technology-agnostic solutions and want to apply their talents supporting customers with difficult and important mission sets.
Spacecraft Guidance, Navigation & Control Engineer Quantum SpaceSpacecraft Guidance, Navigation & Control EngineerRockville, Maryland$130,000–$180,000 / yearIn this role, you will own GNC subsystem development throughout the spacecraft lifecycle, including mission analysis, modeling and simulation, guidance, navigation, and control algorithm development, flight software integration, hardware integration and test, verification and validation, and on-orbit mission support . We are seeking a Spacecraft Guidance, Navigation & Control Engineer to develop the algorithms, analyses, and flight capabilities that enable our spacecraft to navigate, maneuver, and operate autonomously across a diverse range of space missions .
Reliability Engineer, Control Systems, NA Vantage Data CentersReliability Engineer, Control Systems, NAAshburn, VAFor each of the major systems Electrical, Mechanical, and Controls, the Reliability Engineering team is responsible for ensuring success in the commissioning stages of new construction, evaluating and improving the reliability and performance of existing critical infrastructure, sustaining equipment operational availability through maintenance program design, providing ongoing technical support to the Site Operations Teams, as well as providing systems reliability and maintainability feedback to the Design Engineering teams for future design considerations. Developing and operating across six markets in North America and five markets in Europe, Vantage has evolved data center design in innovative ways to deliver dramatic gains in reliability, efficiency and sustainability in flexible environments that can scale as quickly as the market demands.
Embedded Software Engineer III Iridium Satellite, LLCEmbedded Software Engineer IIIMcLean, Virginia$100,000–$130,000 / yearBachelor’s degree in electrical engineering, computer engineering, or a related technical field with 5+ years of relative software experience, including: 3+ years’ experience developing embedded software, preferably for microcontrollers. People across the globe, including first responders, humanitarians, global militaries, scientific researchers, and lone workers, as well as ships, aircraft and remote operations all rely on Iridium to stay connected.
RF Engineer MAG AerospaceRF EngineerFort Belvoir, Virginia$100,000–$165,000 / yearFull timePosition Summary: MAG Aerospace is seeking a cleared subject matter expert skilled in RF Engineering, Microwave propagation techniques, commercial modulation techniques/ schemes, overall system level communication requirements, principles of radio testing techniques in support of EMI, EMC, and vulnerabilities of wireless sensors and can lead engineering efforts on assigned programs with minimal oversight from the Government lead. Serves as RF subject matter expert for all technical aspects of assigned programs, stays abreast of current technology applicable to the PM/PEO portfolio, and represents the PM or PEO at PEO wide technical and system level IPTs, as well as meetings with other DoD agencies.
Systems Engineer – HPC & GPU Infrastructure LeidosSystems Engineer – HPC & GPU InfrastructureBethesda, MarylandResponsibilities: HPC and GPU environment engineering: Contribute to the installation and maintenance of GPU and HPC hardware on-prem and in the cloud, providing insights into hardware performance to ensure efficient interaction with software components. July 13, 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.
Software Engineer - JobID-0032 Innovative Defense TechnologiesSoftware Engineer - JobID-0032Arlington, Virginia$114,000–$231,000 / yearLeveraging advanced software automation, model-based systems engineering (MBSE), and AI-driven capabilities, IDT accelerates capability development, enhances operational readiness, and reduces lifecycle costs for the Department of Defense. Background information: Innovative Defense Technologies (IDT), provider of cutting-edge cloud-based integration, automated testing and data analysis for complex, mission-critical systems in the US Department of Defense (DOD), is seeking a Software Engineer to be based in our Arlington, VA office.
Quality Assurance Engineer - AI Automation Kastle SystemsQuality Assurance Engineer - AI AutomationFalls Church, VirginiaKastle's integrated security solution, including access control, video, and remote video monitoring, significantly reduces costs and improves the critically important 24x7 performance for building owners, developers and tenants. Kastle's integrated security solution, including access control, video, and remote video monitoring, significantly reduces costs and improves the critically important 24x7 performance for building owners, developers and tenants.
Chief Engineer (FDIC) EMCOR Government Services, Inc.Chief Engineer (FDIC)Arlington, VirginiaFull timeInstall, operate, maintain, inspect, adjust and repair building equipment such as chillers, air handlers, cooling towers, fans, pumps, motors, drives, filters, plumbing fixtures, induction units, VAV boxes, building control systems, lighting control systems, fire alarm and fire suppression systems, dampers, meters, gauges, actuators, and related equipment. When military bases, national security agencies, federal buildings, healthcare facilities, and leading commercial clients in Washington D.C and across the nation need superior facility support services, we answer the call.
Robotics Engineer Booz Allen Hamilton Inc.Robotics EngineerMclean, VA$99,000–$225,000 / yearMaster's degree in Software Engineering, Computer Engineering, Electrical Engineering, or a Robotics-related field preferred; Doctorate degree in Software Engineering, Computer Engineering, Electrical Engineering, or a Robotics-related field a plus. Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.