RF Software Engineer Riverside Research InstituteRF Software EngineerFairfax, Virginia$125,000–$175,000 / yearSWI combines state-of-the-art research with quick reaction prototyping to deliver modernized, tactical radio frequency (RF) and electronic warfare (EW) capability to national security customers. The candidate should have a track record of outside-the-box problem-solving, a spirit for interdisciplinary collaboration, and the ability to clearly document and articulate technical designs.
Application Software Engineer II – Chassis Tester Software Blue OriginApplication Software Engineer II – Chassis Tester SoftwareWashingtonand/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. You will write Linux instrument drivers, architect hardware-in-the-loop test frameworks, build the operator-facing tools that run on the test floor, and own the automated result-checking infrastructure (Themis) that determines pass/fail for flight-critical hardware.
CNO Software Engineer Tiber TechnologiesCNO Software EngineerAnnapolis Junction, MarylandDemonstrated experience supporting and participating in Red Team, Blue Team, and/or Hunt Team operations such as: Working knowledge of the MITRE ATT&CK framework and usage of TTPs. This role is ideal for engineers who combine strong low-level programming skills with hands-on cyber operations experience in red, blue, or hunt team environments.
Application Software Engineer III– Chassis Tester Software Blue OriginApplication Software Engineer III– Chassis Tester SoftwareWashingtonand/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. You will write Linux instrument drivers, architect hardware-in-the-loop test frameworks, build the operator-facing tools that run on the test floor, and own the automated result-checking infrastructure (Themis) that determines pass/fail for flight-critical hardware.
Senior Spacecraft Flight Software Engineer HawkEye 360Senior Spacecraft Flight Software EngineerHerndon, Virginia$130,000–$175,000 / yearDesign and implement flight software in C/C++ for critical spacecraft functions including radio communications, onboard computer (OBC) systems, telemetry, command handling, payload tasking, and autonomous fault protection. You willdevelop flight software that powers ourspacecraft and payloads, working directly with flight hardware from driver-level code through integrated system functionality.
Senior Software Engineer - TeraWave Blue OriginSenior Software Engineer - TeraWaveWashingtonDesign and develop multi-threaded embedded software in C/C++ to run on Linux/RTOS/Bare-metal platforms, hosted on multi-core SoCs, Implement custom device drivers and management/control/data plane functions for Satellite RF transceivers, Antenna systems and Optical systems on TeraWave’s Satellite Payload, Customer terminals and Ground Gateway Terminals. and/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.
Software Engineer WOOD Federal SolutionsSoftware EngineerAnnapolis Junction, MD$150,000–$210,000 / yearWOOD is hiring Software Engineers at all levels (with emphasis on mid–senior) to join a SAFe‑aligned Agile team delivering a large, complex enterprise system that supports high‑impact mission needs. You’ll contribute across the full SDLC, shaping user stories, writing clean and testable code, automating quality with BDD and CI/CD, and integrating/deploying resilient features into modern environments.
Sr. Software Engineer BixalSr. Software EngineerFairfax, VirginiaRemote$135,000–$138,000 / yearEmbedded within the Developer Experience team, you'll work in direct proximity to the team's UX researcher and content specialist, translating research-backed interaction patterns and onboarding flows into working, instrumented software within the same sprint cadence as the research that defines what developers need. Demonstrated hands-on experience designing and automating cross-platform workflows spanning source control, CI/CD pipelines, issue tracking, observability, and collaboration tools.
Software Engineer CACI International Inc.Software EngineerSterling, VA$82,100–$172,400 / yearPay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Responsibilities: Responsible for designing, developing, operating and maintaining software to be applied to and integrated with solutions or products that also encompass non-information technology related engineering or scientific disciplines.
Senior Wireless Software Engineer – MAC Data Plane – TeraWave Blue OriginSenior Wireless Software Engineer – MAC Data Plane – TeraWaveBay Area, Washingtonand/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. You collaborate with MAC control-plane, PHY, modem, FPGA, networking, platform, and systems engineers to deliver a purpose-built wireless stack for high-capacity satellite links operating across dynamic low Earth orbit environments.
Senior Software Development Engineer, SDN Routing and Dynamic Networks Blue OriginSenior Software Development Engineer, SDN Routing and Dynamic NetworksBay Area, Washingtonand/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.
Software Development Engineer III – MAC Control Plane – TeraWave Blue OriginSoftware Development Engineer III – MAC Control Plane – TeraWaveBay Area, Washingtonand/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. You work closely with senior software engineers and engineers across the PHY, modem, networking, platform, and systems teams to develop a high-throughput, predictable-latency wireless stack designed specifically for space-based communications.
Senior Software Engineer Purple Squirrel EnterprisesSenior Software EngineerBaltimore, MDRemote$140,000–$160,000 / yearRecruiter Screen (with PSE) Logistics, compensation alignment, role fit, and mission overview 30 min 2. Role & Culture Fit Interview A conversation with an Engineering team member covering your background, role expectations, and team values alignment 60 min 3. Practical Engineering Assessment A collaborative, conversational problem-solving session focused on real-world scenarios and technical trade-offs (not a take-home or live coding test) 60 min 4. Product & Leadership Alignment A deep dive with an Executive into your product intuition, cross-functional collaboration style, and engineering vision 45 min Our client makes decisions fast. They serve a growing network of specialized care providers across the United States, helping organizations replace fragmented, manual workflows with streamlined, technology-guided processes that reduce risk, improve compliance, and give care teams more confidence in their day-to-day work.
Sr. Software Engineer Blue OriginSr. Software EngineerWashingtonand/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.
Software and Systems Development Engineer – Test Framework MarkonSoftware and Systems Development Engineer – Test FrameworkArlington, Virginia$120,000–$200,000 / yearFull timeDescription: PLEX Solutions, A Part of Markon is looking for experienced Software and Systems Development Engineers to support the design, development, deployment, and ongoing maintenance of a new Test Framework - a purpose-built test orchestration and asset management platform. Our growing reach extends across 17 states, 116 countries, and 5 continents, where our team of dynamic professionals collaborates to deliver unparalleled program and project management services.
Software Engineer (AI-Assisted Reverse Engineering Tooling) BytoaSoftware Engineer (AI-Assisted Reverse Engineering Tooling)Laurel, MarylandThe role involves enabling automation and AI-assisted capabilities for reverse engineering tasks, with a focus on binary analysis, disassembly, and workflow optimization for complex software and device platforms. Bytoa is seeking a Software Engineer to focus on improving the tools and workflows used by reverse engineers.
NewFlight Software Engineer ElveoFlight Software EngineerChantilly, VirginiaYou will contribute to the design, development, and testing of spacecraft flight software systems, including those that implement our spacecraft Command and Data Handling; Power; Communications; and Guidance, Navigation, and Control Systems. Elveo brings together a combined 20 years of expertise to close the coverage gap for more than 50 mobile network operators (MNOs) and major distribution partners operating in 60+ countries worldwide.
Lead Software Reverse Engineer Twosix TechnologiesLead Software Reverse EngineerArlington, VAUtilize exemplar techniques to reverse engineer wireless and embedded systems, identifying deep-seated vulnerabilities and exercising sound judgment to assess their security impact. Lead the planning and execution of technical research tasks, providing direction to team members on task prioritization and schedule management to meet mission-critical objectives.
Space Segment Software Systems Engineer - Senior Blue OriginSpace Segment Software Systems Engineer - SeniorReston, Virginia$145,188–$203,263.20 / 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. You will be responsible for ensuring efficient integration of flight software into test environments, and with the spacecraft, which includes spacecraft bus software systems, and software products across the entire life cycle (such as architecture definition, requirements formulation, software development plans and processes, and verification processes).
Senior Software Engineer - Architecture & Systems Design CACI International Inc.Senior Software Engineer - Architecture & Systems DesignHerndon, VA$94,400–$198,200 / yearPay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Create technical documentation including message sequence charts, UML class diagrams, and software architecture specifications that enable distributed teams to build complex systems correctly and efficiently.