Traffic Engineer - Entry Level Whitman, Requardt & Associates, LLPTraffic Engineer - Entry LevelFairfax, VA$70,000–$125,000 / yearFull timeOur traffic engineers design traffic signals, signing, markings, roadway/parking lot lighting, work zone traffic control, and ITS devices; conduct traffic safety/operations studies; and develop or apply Synchro, SimTraffic, VISSIM, and VISUM models. Project assignments can range from small-scale intersection improvements to complex interchange and corridor projects, as well as innovative multimodal transportation plans and parking studies.
Cloud Software Engineer Halcyon Days ConsultingCloud Software EngineerMarylandHDC is seeking a Cloud Software Engineer who will be responsible for designing and implementing advanced functions of Microsoft Office 365 and/or Azure AD premium, including security, governance, and compliance. Halcyon Days Consulting, LLC (HDC) is a veteran owned small business that specializes in the design and engineering of Tactical Mission Networks (TMN).
Sr. Data Science Software Engineer Staffed4USr. Data Science Software EngineerLaurel, MarylandResponsibilities include developing new methods for automating compliance functions, improving existing processes, and investigating, integrating, and testing compliance modernization Machine Learning/AI algorithms and proof-of-concepts in a research and development environment. The company offers an outstanding benefits package, values work-life balance, and provides opportunities to work on cutting-edge technologies supporting critical national security missions.
Software Engineer - Front End Angular - TS/SCI Maania Consultancy ServicesSoftware Engineer - Front End Angular - TS/SCIHerndon, VAExperience consuming APIs (REST and/or GraphQL), handling auth/session patterns, and error states. Strong, hands-on expertise with Angular (components, modules, routing, forms, RxJS).
Principal Software Engineer Recorded FuturePrincipal Software EngineerWashington, DC$152,000–$228,500 / yearAs a Principal Software Engineer, you will work across application code and infrastructure to collect, transform, and deliver structured threat data: tracking malware infrastructure, phishing campaigns, spam networks, command-and-control systems, and more. What You'll Do: Data Pipeline Ownership: Design, build, and maintain scalable data pipelines that collect, transform, and deliver structured threat intelligence data powering the Security Intelligence Graph.
Senior Software Engineer (Agentic AI Platform) Staffed4USenior Software Engineer (Agentic AI Platform)Columbia, MarylandThe candidate will work closely with technical stakeholders and analysts to translate operational requirements into AI-enabled capabilities that improve automation, data processing, and system interoperability in complex environments. The selected candidate will serve as a Senior Software Engineer supporting the design, development, and sustainment of an advanced agent-based platform for intelligent and autonomous workflows.
Software Engineer (Mid-Senior Level) - Java Staffed4USoftware Engineer (Mid-Senior Level) - JavaAnnapolis Junction, MarylandOur client is seeking a mid-senior level Software Engineer with a minimum of 6+ years of expertise and a technical Bachelor’s degree to join our team in Annapolis Junction, MD. Through flexibility, transparency, and strong support, we enable our team to thrive—fueling curiosity, creativity, and innovative solutions that truly serve their clients.
Software Engineer - TS/SCI with Poly Staffed4USoftware Engineer - TS/SCI with PolyAnnapolis Junction, MarylandIn this role, you will contribute to the design, development, and deployment of a Retrieval-Augmented Generation (RAG) solution within a high-performance computing (HPC) Linux environment. Our client offers a highly competitive and comprehensive benefits package designed to support your personal and professional growth, while promoting a healthy work-life balance.
Senior Full-Stack Software Engineer Staffed4USenior Full-Stack Software EngineerMarylandThe selected candidate will serve as a Full-Stack Software Engineer supporting a mission-focused team responsible for developing custom applications, data-driven solutions, and workflow automation tools. The candidate will work directly with end users and stakeholders to design, build, and maintain applications that improve mission processes, enhance data visibility, and enable informed decision-making.
Full-Stack Software Engineer - Level 2 Staffed4UFull-Stack Software Engineer - Level 2MarylandThis role operates within a highly collaborative environment, working across multiple teams and technology stacks to design and deliver impactful solutions. The selected candidate will serve as a Full-Stack Software Engineer supporting the development of mission-critical systems focused on improving infrastructure visibility and operational awareness.
Software Engineer (Mid- Senior Level)- Java Staffed4USoftware Engineer (Mid- Senior Level)- JavaAnnapolis Junction, MarylandWe are seeking a mid-senior level Software Engineer with a minimum of 6+ years of expertise and a technical Bachelor’s degree to join our team in Annapolis Junction, MD. Analyze and develop solutions through performance measurements and collaborate with engineers to improve flows, usage or processes.
Frontend Software Engineer Maania Consultancy ServicesFrontend Software EngineerLaurel, MDRemoteFull timeReact, TypeScript, Cesium, Flask, FastAPI, GitLab, OpenShift, secure SDLC, and testing experience. If you're interested please share your update resume along with your yearly expected salary.
Senior Storage Systems Engineer Systems Plus, Inc.Senior Storage Systems EngineerWashington, DCFull timeHolding many Defense & Federal government contracts around the globe, with Systems Plus, you have the opportunity to take on new and evolving challenges, aim beyond what you think you are capable of, and work in collaborative, dynamic, and high-tempo environments. We are committed to your success and well-being and offer competitive benefits packages, salaries, bonus/award programs, and a high potential for professional growth and job opportunities worldwide.
Software Engineer with Data Management Experience CACISoftware Engineer with Data Management ExperienceLinthicum, MarylandPay 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. You will play a crucial role in developing cutting-edge capabilities that automate and streamline security processes, implement continuous monitoring and assessment, and enhance network data gathering across project lifecycles.
Sr. Software Engineer MondoSr. Software EngineerBaltimore, MarylandRemote$50–$55 / hourWe are seeking a senior-level backend software engineer to design, build, and maintain scalable, secure, and high-performance APIs and distributed systems in a modern cloud-native environment. Nice-to-Have Skills/Experiences (NOT required, but a plus!) :Experience with GraphQL federation and Apollo Router.
Junior Software Engineer (SWE-1) LeidosJunior Software Engineer (SWE-1)MarylandOur talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. June 15, 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.
NewDirector, Head of Software Engineering HITT ContractingDirector, Head of Software EngineeringFalls Church, VA$130,000–$210,000 / yearThe Head of Software Engineering is accountable for the structure and growth of the engineering organization, the delivery of applications and platforms that serve HITT’s project teams and jobsites nationwide, and the development of a new generation of AI-enabled engineering talent — hiring builders who already work this way and training HITT’s existing developers in new methods. This is a senior leadership role for an engineering executive with a builder’s mindset: someone who has seen firsthand how agentic, AI-enabled development is changing the way software gets made — and who knows how to turn that shift into a durable advantage for one of the nation’s largest general contractors.
Endpoint Engineer LeidosEndpoint EngineerBowie, MD$87,100–$157,450Ensure proper OS images are deployed to all endpoint devises, test and manage software updates, ensure appropriate and enforce security policies (EDR/AV), and automate workflows to ensure stable, compliant, and efficient computing environments for endpoint migrations. The Defense Enclave Services contract will unify the DoD Fourth Estate Defense Agencies and Field Activities’ (DAFAs) common use information technology systems, personnel, functions, and program elements under the direction of DISA’s Fourth Estate Network Optimization program office.
Senior Software Engineer – Java / AWS / Metadata & Document Systems ConsultNetSenior Software Engineer – Java / AWS / Metadata & Document SystemsRockville, MDFor over 25 years, we have connected thousands of consultants with meaningful roles through a personal, communication-driven approach, partnering with a diverse client base to build high-performing teams and create lasting impact. The ideal candidate brings strong system design capabilities, experience managing unstructured data repositories at massive scale, and the ability to mentor engineers while contributing hands-on across the full software development lifecycle.
Ontology Software Developer (TS/SCI) MaxaarOntology Software Developer (TS/SCI)Herndon, VirginiaWorking within an Agile DevSecOps environment, the Software Engineer collaborates with ontology engineers, database engineers, data scientists, and Government stakeholders to deliver secure, high-performance applications that leverage Semantic Web technologies and AI/ML capabilities. This position develops scalable applications, APIs, and microservices that integrate ontology-driven data models, knowledge graphs, and enterprise data sources to support Object-Based Intelligence workflows.