Principal Compiler Architect Software GmbHPrincipal Compiler ArchitectReston, VA$140,000–$190,000 / yearTrusted by the world's best brands for more than 50 years, Software AG's AI-enabled process intelligence, application development, high-performance database, and strategic portfolio management solutions are used by banks, retailers, manufacturers, governments and more. Governments and businesses (in finance, manufacturing, retail and more) tailor these applications to give their organization a distinct competitive advantage and optimize them to meet the most demanding operational service level agreements.
NewSenior AI/ML Software Engineer PeratonSenior AI/ML Software EngineerColumbia, Maryland$176,000–$282,000 / yearFull timeSpecifically you will: Design, develop software applications using Gradle Java, Python; Gather and evaluate end-user and customer requirements; Write, test, debug and deploy code; Perform code reviews to maintain quality; Troubleshoot and resolve defects and performance issues; Contribute to project planning; Collaborate with product managers, developers, SMEs, and leadership contributing to strategic initiatives; Design user interface to be widely accessible across the customer community; Explore LLM and AI integration opportunities; Design interfaces/bridge to external requirements management tools; Mentor junior software engineers. Peraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligible to participate in an attractive bonus plan.
Principal Cyber Support Developer ManTech International CorpPrincipal Cyber Support DeveloperChantilly, VA$141,500–$236,000 / yearThere 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. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.
Sr. C++ Software Engineer - (Reston, VA - Hybrid 2 Days)- FreeWheel Comcast CorporationSr. C++ Software Engineer - (Reston, VA - Hybrid 2 Days)- FreeWheelReston, VA$141,850.78–$212,776.16 / yearFreeWheel helps the television industry to monetize their premium contents through a robust technology platform, which enables consumers to view high quality videos on any devices including PC, smart phone, OTT device, set-top box and traditional TV. That’s why we provide an array of options, expert guidance and always-on tools, that are personalized to meet the needs of your reality - to help support you physically, financially and emotionally through the big milestones and in your everyday life.
Sr. Principal Mission Engineer Clarity Innovations LLCSr. Principal Mission EngineerColumbia, MD$100,000–$330,000 / yearClarity Innovations is a trusted national security partner, dedicated to safeguarding our nation's interests and delivering innovative solutions that empower the Intelligence Community (IC) and Department of Defense (DoD) to transform data into actionable intelligence, ensuring mission success in an evolving world. Kubernetes & Workload Integration: Troubleshoot and maintain localized Kubernetes clusters (managed or CAPI-provisioned), ensuring proper integration with ingress API gateways, Cilium network fabrics, and local container registries.
Principal Software Escalation Engineer Palo Alto Networks IncPrincipal Software Escalation EngineerMcLean, VA$147,000–$237,500 / yearOwn the R&D Escalation Strategy: Act as the single accountable authority for technical escalations, replacing reactive "ping-pong" with a structured, predictive pipeline that restores delivery predictability to the sprint teams. Influence the Roadmap: Use data from the field (trends, escaped bugs, and friction points) to drive strategic roadmap decisions, ensuring we prioritize technical debt and usability improvements alongside new features.
Sr. Principal Threat Intelligence Engineer- Remote Or Hybrid In MN Or DC UnitedHealth Group Inc.Sr. Principal Threat Intelligence Engineer- Remote Or Hybrid In MN Or DCWashington, DCRemote$134,600–$230,800 / yearThe Senior Principal Threat Intelligence Engineer is expected to conceptualize, guide, and execute the delivery of technical intelligence solutions to CTI, SOC, Threat Detection, and Threat Hunting teams that accelerate the processing and dissemination of intelligence, increase speed of detection, and enable rapid response. The role focuses on ingesting, normalizing, and enriching threat intelligence information, integrating Threat Intelligence Platforms (TIPs) and intelligence sources with security tooling (e.g., SIEM, SOAR, EDR), and deploying automated intelligence-enabled detection and response workflows.
Principal Software Engineer LeidosPrincipal Software EngineerBethesda, Maryland$131,300–$237,350 / yearSupport the Agile software development lifecycle following SAFe practices, using industry leading DevOps tools like GitHub, Jenkins, Unix bash scripting and leveraging tools such as JIRA and Confluence to track activities. Based in a DevOps framework, this role participates in and/or directs major deliverables of projects through all aspects of the software development lifecycle including scope and work estimation, architecture and design, coding and unit testing.
Front End Engineer SR Principal- TS/SCI with Polygraph GD Information TechnologyFront End Engineer SR Principal- TS/SCI with PolygraphChantilly, VirginiaTechnical skills: Extensive experience with Angular, Expert knowledge of JavaScript, HTML and CSS, experience designing complex search interfaces, experience in optimizing web applications for performance and usability, experience integrating with third part API's, proficient understanding of code versioning tools, such as Git, experience with Linux operating systems. The Front- End Software Engineer must have: Education: Bachelor’s degree in computer science, Electrical or Computer Engineering or a related technical discipline, or the equivalent combination of education, technical training, or work/military experience.
Senior Principal Engineer Bright Vision TechnologiesSenior Principal EngineerSterling, VARemoteFull timeThe ideal candidate will drive strategic engineering decisions, serve as a technical authority across multiple teams and platforms, and combine deep technical mastery with mature judgment, broad influence, and the ability to mentor and elevate senior engineers across the organization. This role represents the highest level of individual technical contribution within the organization, requiring deep expertise in system design, performance engineering, reliability architecture, and cross-organizational technical leadership.
Software Developer/A&A Engineer, Senior BAE Systems PlcSoftware Developer/A&A Engineer, SeniorHerndon, VA$132,962–$226,035 / yearAbout BAE Systems Intelligence & Security BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. BAE Systems, a top-ten prime contractor to the U.S. Department of Defense, enables the U.S. government to transform data into intelligence and provides engineering, integration and sustainment support for critical military platforms and systems.
Principal Engineer, Ground System Software (R5199) Shield AI IncPrincipal Engineer, Ground System Software (R5199)Washington, DC$125,000–$230,000 / yearIntegrate sensors, effectors, communications, navigation, autonomy, mission management, command-and-control, data-processing, and vehicle services in collaboration with hardware, FPGA, cybersecurity, safety, systems, integration, and test teams. Define and execute verification strategies across HIL/SIL laboratories, simulations, test benches, flight-test environments, and deployed systems using automated, performance, stress, fault-injection, interface, and timing tests.
Principal Software Architect PeopleNTech LLCPrincipal Software ArchitectAlexandria, VARemote$85–$90 / hourArchitecture & Platform Governance Own and evolve the cross-platform architecture spanning (C++/C# Windows applet, BHFTP transmitter, ASP.NET Proactive portal), (cloud SaaS, instrument fleet API, data pipeline), and Unity Next (QC engine, LIS/HL7 integration, Unity Connect middleware, peer-comparison analytics). On-Instrument & Integration Systems Guide Applet architecture: C++ Win32 service host, IMonitoredEntity driver plugin model (Drives Info, Running Processes, System Info, ME Collect), DCC output contract, and AppletSoftwareUpdateManager CAB update pipeline.
Principal FSW Engineer AST SpaceMobilePrincipal FSW EngineerLanham, MDThis role is central to the design and development of our satellite fleet's Linux-based networking capabilities, with a specific focus on networking subsystems; general embedded computing knowledge is also crucial, since there are RTOS platforms in our stack that are not Linux. Own the networking subsystem architecture for satellite flight software, including protocol stack implementation, network driver development, and link-layer communication.
Principal System Engineer - Payload AST SpaceMobilePrincipal System Engineer - PayloadLanham, MDWe are seeking an experienced and highly innovative Principal Systems Engineer – Payload to lead the design and development of advanced end-to-end wireless systems within a complex telecommunications environment. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected.
Design Engineer Principal M.C. Dean IncDesign Engineer PrincipalTysons, VAAssist other engineers in producing conceptual design to construction documents from utilization voltage to low voltage including, detailed equipment layout, single and three-line diagrams, grounding, and feeder routing. Headquarters in Tysons, Virginia, M.C. Dean delivers resilient, secure, and innovative power and technology solutions through engineering expertise and smart systems integration.
Principal Electrical Engineer Rocket Lab CorpPrincipal Electrical EngineerChantilly, VA$173,300–$259,850 / yearImportant information: FOR CANDIDATES SEEKING TO WORK IN US OFFICES ONLY: To 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.
NewSenior Software Engineer FS Ad HocSenior Software Engineer FSMc Lean, VARemote$125,000–$140,000 / yearWe partner with these agencies to build new capabilities, deliver products, establish data as a strategic asset for informed decision-making, modernize legacy systems, and build the digital service infrastructure necessary to scale their mission impact. In support of various state and city equal pay transparency laws, Ad Hoc job descriptions feature the starting range we reasonably expect to pay to candidates who would join our team with little to no need for training on the responsibilities we've outlined above.
Senior Software Engineer - APIs Unacast IncSenior Software Engineer - APIsAshburn, VARemote$125,000–$145,000 / yearDemonstrate excellent SQL database skills ranging from database initial creation and design, table design, automated load and maintenance processes, and efficient querying. You have demonstrated experience translating business problems into technology solutions, and deploying the right tool for the job including Scala, Java, third party web services, scripting languages (e.g.
Software Engineer - TS/SCI with Polygraph GD Information TechnologySoftware Engineer - TS/SCI with PolygraphChantilly, VirginiaTo ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. Analyzes user interfaces, maintain hardware and software performance tuning, analyzes workload and computer usage, maintain interfaces with outside systems, analyzes downtimes, analyzes proposed system modifications and upgrades.