101731 Senior Network Engineer - Fairfax, VA ManpowerGroup Public Sector101731 Senior Network Engineer - Fairfax, VAFairfax, VirginiaJoin a high-performing senior-level networks team tasked with architecting, designing, implementing, and maintaining a large-scale, mission-essential multi-agency network infrastructure. You’ll play a key role in shaping and sustaining secure, scalable, and resilient networking environments across data centers, transport layers, and rack-level infrastructure.
IT Hardware Engineer Galapagos Federal Systems LLC.IT Hardware EngineerWashington, Washington, DC$135,000–$145,000 / yearFull timeWe deliver professional services in IT Design & Installation, Cybersecurity Engineering & Support, Application Integration & Development, Software & Hardware Engineering, Network & Systems Management, Information Systems Security, and Business Management Services. 5+ years of experience designing, deploying, and maintaining enterprise IT hardware systems, preferably within Department of Defense (DoD) or Intelligence Community (IC) environments.
Staff Software Engineer Alarm.com IncorporatedStaff Software EngineerTysons Corner, VA$144,250–$169,126.82 / yearOur comprehensive suite of solutions-including security, video surveillance, access control, active shooter detection, intelligent automation, energy management, and wellness-is delivered exclusively through a trusted network of thousands of professional service providers and commercial integrators across North America and worldwide. Mentorship: Actively mentor engineers on the team, leading synchronous code reviews, raising technical bar, and helping junior and mid-level engineers grow their skills in platform engineering, domain design, and distributed systems.
Research Associate, SDD DetailsResearch Associate, SDDArlington, VirginiaWith a presence in both Blacksburg, VA and Washington D.C. metro areas, VTNSI serves dual missions of (1) performing cutting edge research and development for externally sponsored Department of Defense and Intelligence Community programs and (2) cultivating the next generation of national security workforce and thought leaders by engaging students in curricular, extracurricular, and research and development opportunities. Key areas of focus include resilience of commercial wireless infrastructures and technologies (5G and beyond), development of signal processing algorithms for spectrum awareness (signal detection, estimation, classification, etc.), next generation radio hardware and front-ends (antenna design, multiple aperture arrays, etc.), and the general application of state-of-the-art AI/ML within the radio frequency spectrum space.
Research Assistant Professor, Research Associate Professor and Research Professor DetailsResearch Assistant Professor, Research Associate Professor and Research ProfessorArlington, VirginiaSpecific responsibilities include the following: (1) support the execution of university sponsored programs by conducting research and development; (2) author technical documents and publish peer-reviewed academic papers; (3) support the development of new funded research programs by participating on proposal teams and supporting the business development activities of VT NSI; (4) mentor students engaged in experiential learning programs; (5) advise graduate students pursuing advanced degrees; and (6) occasionally teach courses. The university has a significant presence across Virginia, including the Innovation Campus in Northern Virginia; the Health Sciences and Technology Campus in Roanoke; sites in Newport News and Richmond; and numerous Extension offices and research centers .
Principal Software Engineer Alarm.com IncorporatedPrincipal Software EngineerTysons Corner, VA$200,000–$250,000 / yearOur comprehensive suite of solutions-including security, video surveillance, access control, active shooter detection, intelligent automation, energy management, and wellness-is delivered exclusively through a trusted network of thousands of professional service providers and commercial integrators across North America and worldwide. We collect and use those categories of Personal Information about you for human resources and other business management purposes, including identifying and evaluating you as a candidate for potential or future employment or future positions, recordkeeping in relation to recruiting and hiring, conducting criminal background checks as permitted by law, conducting analytics, and ensuring compliance with applicable legal requirements and Company policies.
Cloud Routing Developer - Topsecret ParsonsCloud Routing Developer - TopsecretCentreville, VirginiaYou will architect solutions, write code, deploy systems, manage production infrastructure, and troubleshoot complex issues at the packet level alongside a small, high-autonomy, new product team. Parsons is looking for an amazingly talented Cloud Routing Software Developer to join our team as we solve novel problems at the intersection of networking, cryptography, and systems engineering!
Principal Vulnerability Researcher Two Six TechnologiesPrincipal Vulnerability ResearcherHerndon, VAFull timeExtensive experience developing, debugging, and scripting in C/C++ and Python within Linux command-line environments, with a strong emphasis on low-level programming, memory management, and system interaction for reverse engineering and vulnerability research. Salary is one component of our total compensation package and the specific salary offered is determined by various factors, including, but not limited to education, experience, knowledge, skills, geographic location, as well as contract specific affordability and organizational requirements.
NewSoftware Developer, Senior Abile Group, Inc.Software Developer, SeniorSpringfield, VirginiaAbile Group, founded in July 2004 to support the Intelligence Community and its contractors across Enterprise Analytics, IT & Systems Engineering, and Program & Project Management, merged with Valiant Solutions in January 2026 - an established provider of cybersecurity technologies and services for Federal Agencies since 2005. With significant experience serving the Federal Government, we remain dedicated to our employees and clients and seek high‑performing professionals who excel at providing guidance, developing solutions, and delivering implementation support that blends industry best practices with client expertise and Abile’s broad technical capabilities.
NewLinux CNE RE/VR Expert NewGen TechnologiesLinux CNE RE/VR ExpertArlington, VirginiaOur team of Highly Cleared Specialists have hard-to-find skills and expertise in a wide spectrum of technologies to provide solutions that transform business processes and solve problems of national significance. We have helped secure borders, have used artificial intelligence (AI) to fight terror, aided the identification of criminals, and have helped to prevent crime through the introduction of biometrics.
Devops/Ai Engineer The MITRE CorporationDevops/Ai EngineerMclean, VA$129,200–$161,500 / yearBasic Qualifications: Bachelor's degree in Computer Science, Computer Engineering, Systems Engineering, or a related technical discipline (e.g., Electrical Engineering, Data Science, or Applied Mathematics) and a minimum of 5 years of related experience; or a Master's degree and 3 years of related experience; or a PhD with relevant experience; or an equivalent combination of related education and work experience. MITRE seeks professionals with various expertise (e.g., software tools, processes, DevSecOps, CI/CD, MLOps, AI-enabled systems, cloud services, agile methodologies, transition design, etc.) to work with a team of experienced experts driving digital transformation efforts.
Application Security Architect Alarm.com IncorporatedApplication Security ArchitectTysons Corner, VA$158,050–$193,325 / yearWe collect and use those categories of Personal Information about you for human resources and other business management purposes, including identifying and evaluating you as a candidate for potential or future employment or future positions, recordkeeping in relation to recruiting and hiring, conducting criminal background checks as permitted by law, conducting analytics, and ensuring compliance with applicable legal requirements and Company policies. AI & LLM Security: Partner with teams adopting AI and LLM-based systems-both internal tooling and production features-to ensure secure design, model and data protection, prompt/input validation, and safe integration patterns.
Application Security Architect Alarm.comApplication Security ArchitectTysons, VA$158,050–$193,325 / yearWe collect and use those categories of Personal Information about you for human resources and other business management purposes, including identifying and evaluating you as a candidate for potential or future employment or future positions, recordkeeping in relation to recruiting and hiring, conducting criminal background checks as permitted by law, conducting analytics, and ensuring compliance with applicable legal requirements and Company policies. AI & LLM Security: Partner with teams adopting AI and LLM-based systems—both internal tooling and production features—to ensure secure design, model and data protection, prompt/input validation, and safe integration patterns.
Staff Software Engineer Alarm.comStaff Software EngineerTysons Corner, VA$144,250–$169,126.82 / yearOur comprehensive suite of solutions—including security, video surveillance, access control, active shooter detection, intelligent automation, energy management, and wellness—is delivered exclusively through a trusted network of thousands of professional service providers and commercial integrators across North America and worldwide. - Mentorship: Actively mentor engineers on the team, leading synchronous code reviews, raising technical bar, and helping junior and mid-level engineers grow their skills in platform engineering, domain design, and distributed systems.
Directory Services Systems Administrator - Active Top Secret required General Dynamics Information TechnologyDirectory Services Systems Administrator - Active Top Secret requiredWashingtonTo 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. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave.
Systems Engineer III Akima, LLCSystems Engineer IIIAlexandria, Virginia$190,000–$200,000 / yearDemonstrate minimum of 5 years of experience in implementing and maintaining patch versions and Department of Defense (DoD) Security Technical Implementation Guides (STIG) levels on all network servers and workstations. Monitor and maintain McAfee's Host-Based Security System (HBSS), ensuring virus definitions, patch versions, and Department of Defense (DoD) Security Technical Implementation Guides (STIG) compliance on all network servers and workstations.
IV&V - Cloud / DevOps Engineer Select Search AssociatesIV&V - Cloud / DevOps EngineerChantilly, VirginiaThe successful candidate will be part of a team to support the design, development, integration, testing, deployment, and sustainment of the enterprise IV&V platform while collaborating with Government stakeholders to evaluate existing GEOINT IV&V capabilities, implement automated verification processes, and deliver secure, scalable software solutions. Working closely with software developers, system engineers, and Government stakeholders, the Cloud & DevOps Engineer will develop cloud-native infrastructure, automate application deployment, manage containerized services, and integrate security, monitoring, and performance optimization throughout the software development lifecycle.
Applications Developer III ARSIEMApplications Developer IIIArlington, VAExperience with two or more of the following: Python, Silk, JSON, Data Analytics, MongoDB, Elastic Search, Postgress, Ansible, Vue.js, React, HTML, Kubernetes, Docker, Podman, AWS, View Jazz Framework, Process Automation, UI Development, CI/CD knowledge. If you do, ARSIEM has a way for you to earn a bonus through our referral program for persons presenting NEW (not in our resume database) candidates who are successfully placed on one of our projects.
Principal Software Developer - TS/SCI ParsonsPrincipal Software Developer - TS/SCIHerndon, Virginia$148,300–$266,900 / yearSince we deal with specific customer needs, it will be necessary to understand the problem, to utilize methods from a potentially wide variety of domains, produce functional solutions, and see the efforts through to completion. As a leading member of our team, you would work on one or more efforts at a time, assisting and managing multiple parts of the development process, from understanding customer requirements, to design, development, testing and deployment.
Sr. Lead RF Software Engineer - Ts/Sci CI Parsons Commercial Technology Group Inc.Sr. Lead RF Software Engineer - Ts/Sci CIHerndon, VA$176,900–$332,400 / yearJob Description: The Lead RF Software Engineer performs the following technical tasks as a leader in the Airborne Sensing (ABS) Group (75% to 80% of the time): Takes a lead role in Developing the software to bring RF, Wireless, SIGINT, ELINT, and/or Electronic Warfare solution designs to fruition, drawing from experience with: Implementing real time DSP algorithms for modulation/demodulation, filtering, channelization, detection, and estimation. What Desired Skills You'll Bring: Experience with proposal writing and building customer relations, Working knowledge of Software Development Frameworks, Previous IC or DoD-related RF, Wireless, SIGINT, ELINT, and/or Electronic Warfare systems program/project work experience.