Re-Platforming Software Engineer Science Applications International CorpRe-Platforming Software EngineerArlington, VA$120,001–$160,000 / yearHelp refactor monoliths, build secure REST APIs and microservices, and implement event-driven integrations while leveraging Oracle Cloud Infrastructure (OCI) and learning best practices in cloud-native development and DevOps. Contribute to pipelines (Azure DevOps, GitHub Actions, or OCI DevOps), containerize apps with Docker, and assist with Kubernetes deployments (including OCI Container Engine for Kubernetes - OKE).
Senior Software Engineer - Python/Java Tria FederalSenior Software Engineer - Python/JavaWoodlawn, MDWe are seeking a Lead Software Engineer – Python / Java who will be responsible for developing, testing and maintaining a complex distributed processing application utilizing python and Java. What defines the Tria brand is more than just our dedication to excellence in our craft; it's our incredible team of dedicated, talented, and passionate people that make Tria so exceptional.
Software Engineer, Agent Platform ANDURIL INDUSTRIESSoftware Engineer, Agent PlatformWashington, DC$220,000–$292,000 / yearExperience designing agent evaluation paradigms, including trajectory evaluations, LLM-as-judge workflows, task-success metrics, tool-call correctness checks, rubric-based qualitative grading, adversarial scenario testing, regression eval suites, and human-in-the-loop review. Design tooling that supports modern agent patterns, including structured tool calling, filesystem-using agents, memory and retrieval, planning loops, subagents, agent graphs, and human-in-the-loop workflows.
Principal Software Engineer With 25K Sign On Bonus Leidos Holdings Inc.Principal Software Engineer With 25K Sign On BonusAnnapolis Junction, MD$154,050–$278,475 / yearOur 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. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
Software Engineer-TS/SCI with Poly CACISoftware Engineer-TS/SCI with PolyLinthicum, Maryland$113,200–$237,800 / yearJob Title: Software Engineer-TS/SCI with PolyJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: NoneType of Travel: None* * * The Opportunity: As part of the Secure the Enterprise initiative, develop capabilities to shift from the current manual system security evaluation and authorization process to a new model that emphasizes automation, streamlined processes and approvals, continuous monitoring and assessment, and network data gathering across the entire life cycle of a project. Pay 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.
NewJava Software Engineer Cogent Infotech CorporationJava Software EngineerWashington, DCPrimary Skills: Java, Spring Boot, Spring Framework, Spring Cloud, RESTful API Development, Microservices Architecture, Hibernate/JPA, SQL databases including MySQL, PostgreSQL and Oracle, Maven, Gradle, Git, React or Angular, HTML, CSS, JavaScript, Docker, and cloud platforms including AWS, Microsoft Azure and Google Cloud Platform. We’re looking for mid-level Java professionals (2–12 years’ experience) who are passionate about building high-performance, cloud-ready and micro services-based applications.
NewSenior Software Developer/Engineer AGE SolutionsSenior Software Developer/EngineerFort Meade, MDAGE Solutions is a premier technology and professional services company, providing in-depth consulting, advanced technology solutions, and essential services throughout the U.S. government, defense, and intelligence sectors. Final compensation will be determined based on factors including years of relevant experience, active security clearance level, certifications, technical skillset, contract requirements, and overall qualifications.
CNO Software Engineer Booz Allen Hamilton IncCNO Software EngineerAnnapolis Junction, MD$86,900–$198,000 / yearThe Opportunity: As a computer network operations (CNO) specialist, you know that embedded and application developers, reverse engineers, and vulnerability analysts all play key roles in the CNO capability development lifecycle. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.
Software Engineer, Lead Booz Allen Hamilton IncSoftware Engineer, LeadFort Meade, MD$112,800–$257,000 / yearOnsite: 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. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.
Principal Software Engineer ClearEdgePrincipal Software EngineerAnnapolis Junction, MDBachelor’s degree in Computer Science or related discipline from an accredited college or university is required ( Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelor’s degree). Day in the Life: Working directly with clients, managers and technical staff to understand business needs, develop technical plans, and deliver impactful solutions that solve client problems.
High Side Operations Software Engineer Booz Allen Hamilton Inc.High Side Operations Software EngineerAlexandria, VA$86,800–$198,000 / yearOnsite: 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. Within this effort, we enhance warfighter access to data by delivering software products and data‑integration services that close critical Combined Joint All-Domain Command and Control (CJADC2) capability gaps.
.Net Software Engineer Booz Allen Hamilton Inc..Net Software EngineerUSA, VA$69,400–$158,000 / yearOnsite: 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. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.
Full Stack Software Engineer, Mid Booz Allen HamiltonFull Stack Software Engineer, MidArlington, Virginia$69,400–$158,000 / yearOnsite : 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. 3+ years of experience with React, Leaflet, D3, JavaScript, Python, Java, Node.js, SQL, Server-Side Development, Middleware, Application or Data Integration, API Development, or Core Application Systems.
Software Engineer Valmet CorporationSoftware EngineerOwings Mills, MDIn this role, you will combine technical expertise, customer engagement, and cross-functional collaboration to ensure the reliability, performance, and continuous improvement of our mission-critical industrial automation systems across a diverse customer base. Required: Bachelor's degree in Computer Engineering, Electrical Engineering, Computer Science, or a related technical discipline, or equivalent experience.
CNO - Embedded Software Engineer - Linux, Python, C++ Erias VenturesCNO - Embedded Software Engineer - Linux, Python, C++Annapolis Junction, MarylandWe are seeking engineers who wish to grow their careers and want to become part of a technically strong and growth-oriented company focused on bringing innovative solutions to the difficult mission problems facing our customers. Experience Five (5) years’ experience as an embedded developer, in programs and contracts of similar scope, type, and complexity is required.
Enterprise - Senior Software Engineer - Python, Cloud, REST Erias VenturesEnterprise - Senior Software Engineer - Python, Cloud, RESTMarylandProvides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components. We are seeking engineers who wish to grow their careers and want to become part of a technically strong and growth-oriented company focused on bringing innovative solutions to the difficult mission problems facing our customers.
ME00487-Software Engineer 3 Momentum Engineering OpeningsME00487-Software Engineer 3Annapolis JunctionDesign or implement complex algorithms requiring adherence to strict timing, system resource, or interface constraints; Perform quality control on team products. Confer with system engineers and hardware engineers to derive software requirements and to obtain information on project limitations and capabilities, performance requirements and interfaces.
ME00484-Cloud Software Engineer 3 Momentum Engineering OpeningsME00484-Cloud Software Engineer 3Annapolis JunctionThe engineer will work within a collaborative team environment, partnering with cross-agency stakeholders to design, develop, and sustain enterprise software capabilities in support of national security missions. This role supports a cloud-based platform leveraging microservices and containerized technologies to enable secure, scalable, and resilient operations.
Enterprise - Senior RF Software Engineer - DSP, Linux, C++ Erias VenturesEnterprise - Senior RF Software Engineer - DSP, Linux, C++Annapolis Junction, MarylandWe are seeking engineers who wish to grow their careers and want to become part of a technically strong and growth-oriented company focused on bringing innovative solutions to the difficult mission problems facing our customers. Experience Bachelor of Science in Engineering, Computer Science or related discipline in DSP algorithms from an accredited college or university is required.
Ground Systems Software Engineer LynkGround Systems Software EngineerChantilly, VirginiaHelp design and implement Lynk's next-generation, cloud-native Mission Operations platform on AWS — event-driven services, managed API gateways and identity (Amazon API Gateway, Cognito), serverless and container workloads, and first-class observability. You will design, build, and ship the backend services, APIs, and automation that connect Lynk's global ground station network to our Mission Operations Software — the platform our operators use to command, monitor, and fly the constellation every day.
Mid-Level Software Engineer LeidosMid-Level Software EngineerGaithersburg, MarylandIf you’re passionate about solving complex technical challenges, learning emerging technologies, and developing software that directly supports mission success, this is an exciting opportunity to grow your career while making a meaningful difference. As a Full Stack Engineer, you’ll contribute across the entire software development lifecycle, from crafting intuitive user interfaces to building scalable backend services and integrating secure, cloud-native solutions.
Senior Software Engineer ClearEdgeSenior Software EngineerAnnapolis Junction, MDBachelor’s degree in Computer Science or related discipline from an accredited college or university is required ( Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelor’s degree). Day in the Life: Working directly with clients, managers and technical staff to understand business needs, develop technical plans, and deliver impactful solutions that solve client problems.
Sr. Software Engineer TS/SCI Poly LeidosSr. Software Engineer TS/SCI PolyAlexandria, VirginiaYou will provide software process management and control throughout the coding portion of the software development process and will promote code reuse and cross-program collaboration while reducing maintenance costs by creating common functions and shared actions for developers and testers. Must have experience or familiarity with multiple Java frameworks: Spring to include Boot and Data, Java Enterprise Edition (JEE) (i.e., JPA, EJB, JTA, Servlet), Jackson, Jersey, Swing, JavaFX.
Software Engineer III ICI Services CorpSoftware Engineer IIIWashington, DCOur employee-owners include acquisition analysts, financial analysts, engineers, configuration specialists, logisticians, technicians, IT professionals, and ship production specialists providing integral, quality support to multiple Navy organizations. Examples include but are not limited to Electrical Engineering, Computer Engineering, Computer Science, Information Technology, or Information Systems, Mechanical Engineering, or Marine Engineering.
Software Engineer IV ICI Services CorpSoftware Engineer IVWashington, DCOur employee-owners include acquisition analysts, financial analysts, engineers, configuration specialists, logisticians, technicians, IT professionals, and ship production specialists providing integral, quality support to multiple Navy organizations. Examples include but are not limited to Electrical Engineering, Computer Engineering, Computer Science, Information Technology, or Information Systems, Mechanical Engineering, or Marine Engineering.
Principal AI-Enabled Software Engineer (Top Secret) Praescient Analytics LLCPrincipal AI-Enabled Software Engineer (Top Secret)Fairfax, VARemotePraescient Analytics is a Certified Woman-Owned Small Business (WOSB) with over a decade of expertise in advanced analytics, engineering, and DevOps, specializing in transforming complex data into actionable intelligence for informed decision-making. You will bring practical experience in AWS cloud environments, AI-assisted coding, AI-assisted testing, API-first design, and modern software engineering practices to help accelerate delivery and improve engineering maturity.
Software Engineer Noblis IncSoftware EngineerReston, VA$120,700–$188,725 / yearNoblis is seeking a highly experienced Software Engineer with an active security clearance (TS/SCI with a polygraph) to support a mission-critical contract delivering a broad range of AI/ML-driven capabilities, advanced tools, and data engineering services. The ideal candidate brings expertise in software design patterns, version control systems, agile methodologies, and software quality assurance, enabling them to develop and deliver secure, high-quality software solutions that address user needs and advance mission objectives.
Software Engineer - Frontend Noblis IncSoftware Engineer - FrontendReston, VA$90,700–$141,775 / yearExperience designing and implementing UI components that interact with backend services, including AWS services (e.g., LambdaExperience using modern software engineering tools and methodologies like Atlassian Products (Jira, Confluence). Compensation at Noblis is determined by various factors, including but not limited to, the combination of education, certifications, knowledge, skills, competencies, and experience, internal and external equity, location, clearance level, as well as contract-specific affordability, organizational requirements and applicable employment laws.
AI Software Engineer Precision SolutionsAI Software EngineerFt. Meade, MarylandAgentic Coding Harness Testing Framework — Build and maintain the framework that executes repeatable tests against agentic coding harnesses, consuming the datasets and scenarios produced by Fuzzy blocks and running them alongside the Data Scientists' InspectAI benchmarks to measure agent performance and reliability. They work closely with Researchers and Data Scientists to convert prototypes, notebooks, and evaluation workflows into reliable, maintainable, and well-tested software, and they support operation of that software across both HS and LS environments.
Software Engineer I Reflexive ConceptsSoftware Engineer IMarylandEssential Duties and Responsibilities: Heavily involved in the creation, maintenance, and running of Pig and or PySpark analytics and responsible for reviewing data ingest tickets and merge requests with other developers on the team. Focused on delivering reliable, accurate data to the end users as well as ensuring that day-to-day operations are successful, including being able to investigate data arriving accurately into the system.
Enterprise - Senior RF Software Engineer - DSP, Linux, Python Erias VenturesEnterprise - Senior RF Software Engineer - DSP, Linux, PythonAnnapolis Junction, MarylandWe are seeking engineers who wish to grow their careers and want to become part of a technically strong and growth-oriented company focused on bringing innovative solutions to the difficult mission problems facing our customers. Experience Bachelor of Science in Engineering, Computer Science or related discipline in DSP algorithms from an accredited college or university is required.
Senior Software Engineer LeidosSenior Software EngineerArlington, VirginiaJuly 31, 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. The candidate will help to lead projects of significant national importance, guiding the transformation of existing vessels into autonomous platforms and supporting the development of new ships from concept through deployment.
Lead Embedded Software Engineer Valmet CorporationLead Embedded Software EngineerOwings Mills, MDAs a senior technical authority, you will influence product strategy, drive architectural decisions, mentor engineers, and ensure our embedded platforms deliver on performance, reliability, and lifecycle expectations. Are you a technical leader who can define platform direction, tackle complex embedded challenges, and shape the long-term evolution of embedded products?.
Software Engineer 2 - Back-End (Hadoop & Microservices) Navius TechnologiesSoftware Engineer 2 - Back-End (Hadoop & Microservices)Annapolis Junction, MarylandIf taking ideas from concept to working prototype in fast, iterative cycles excites you, and you enjoy solving complex problems in distributed systems, this role will give you the opportunity to have outsized impact on how our organization operates. You will work as a hands-on engineer on a close-knit team, designing and building scalable back-end services and data-intensive systems that support mission-critical applications.
Staff Software Engineer - UI/UX Dragos IncStaff Software Engineer - UI/UXDCRemoteAt Dragos, we build software that gives defenders the visibility and capabilities they need to detect, investigate, and respond to cyber threats before they disrupt the systems people depend on every day. You''ll solve meaningful problems, simplify complex data, and create intuitive workflows that enable users to detect, investigate, and act on cyber threats.
Senior Software Engineer - UI/UX Dragos IncSenior Software Engineer - UI/UXDCRemoteAt Dragos, we build software that gives defenders the visibility and capabilities they need to detect, investigate, and respond to cyber threats before they disrupt the systems people depend on every day. You''ll solve meaningful problems, simplify complex data, and create intuitive workflows that enable users to detect, investigate, and act on cyber threats.
Principal Software Engineer LeidosPrincipal Software EngineerArlington, VirginiaJuly 31, 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. The candidate will help to lead projects of significant national importance, guiding the transformation of existing vessels into autonomous platforms and supporting the development of new ships from concept through deployment.
Lead Software Engineer LeidosLead Software EngineerArlington, VirginiaJuly 31, 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. The candidate will help to lead projects of significant national importance, guiding the transformation of existing vessels into autonomous platforms and supporting the development of new ships from concept through deployment.
ME00523-Software Engineer 3 Momentum Engineering OpeningsME00523-Software Engineer 3Annapolis JunctionThe Software Engineer will work with a massively parallel enterprise platform, built with Java on Free and Open-Source Software products including Kubernetes, Hadoop and Accumulo, to enable execution of data-intensive analytics on a managed infrastructure. The ideal candidate should be skilled in Java, database technologies (MariaDB, MySQL Postgres etc.) and have some experience with Map Reduce programming model and technologies (such as Hadoop, Hive, Pig, etc.).
Enterprise - Senior Software Engineer - React, Python, CI/CD Erias VenturesEnterprise - Senior Software Engineer - React, Python, CI/CDAnnapolis Junction, MarylandThe ideal candidate has front end experience, translates UX/UI designs into accessible, production-ready interfaces, and mentors junior developers while collaborating closely with system engineers and product stakeholders to resolve technical problem areas. We are seeking engineers who wish to grow their careers and want to become part of a technically strong and growth-oriented company focused on bringing innovative solutions to the difficult mission problems facing our customers.
Software Engineer III Omega Enterprise SolutionsSoftware Engineer IIIAnnapolis Junction, Maryland$175,000–$222,000 / yearAt the highest levels the SWE may work independently or in a lead technical role, developing system architecture and requirements, defining processes and methodologies, resolving complex technical issues or research problems, and may have responsibility for directing the software activities of a large program. Guided by our values; inspired by our vision; and driven by our passion for excellence to be the end solution, Omega Enterprise Solutions is committed to providing innovative solutions for the United States Department of Defense and Intelligence Community.
NewSenior Software Engineer - NatSec SnowflakeSenior Software Engineer - NatSecMcLean, VirginiaTo be successful in the area, you will need to have (and continue to build) a broad and in-depth knowledge base on cloud infrastructure, privacy, and governance, compliance controls, data security and data residency in various aspects of Snowflake. We look for low-ego individuals who thrive in dynamic and fast-moving environments and move with an experimental mindset — who rapidly test emerging capabilities to discover simpler, more powerful ways to deliver results.
Cyber Range Software Engineer (SWE-3) Leidos Holdings IncCyber Range Software Engineer (SWE-3)Laurel, MD$107,900–$195,050 / yearYour Main Objective: Looking for a software engineer to support Cyber Security Defensive Operations with configuration of Cyber Range consisting of 100s to 1000s of VMs utilizing Infrastructure as Code (IaC), Terraform, Ansible, VMWare and other automation technologies. Our 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.
Cyber Range Software Engineer (Swe-3) Leidos Holdings Inc.Cyber Range Software Engineer (Swe-3)Laurel, MD$107,900–$195,050 / yearYour Main Objective: Looking for a software engineer to support Cyber Security Defensive Operations with configuration of Cyber Range consisting of 100s to 1000s of VMs utilizing Infrastructure as Code (IaC), Terraform, Ansible, VMWare and other automation technologies. Our 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.
ME00612-Cloud Software Engineer 3 Momentum Engineering OpeningsME00612-Cloud Software Engineer 3Annapolis JunctionThe successful candidate will perform all phases of the software development lifecycle, including requirements analysis, software design, development, installation, integration, evaluation, enhancement, maintenance, testing, and troubleshooting. This role requires the ability to work independently while providing technical guidance to junior engineers and developing cloud solutions that balance performance, scalability, resilience, security, and cost.
Systems Software Engineer (Ts/Sci Clearance Required) NorthHill TechnologySystems Software Engineer (Ts/Sci Clearance Required)Chantilly, VirginiaRequired Qualifications Bachelor's degree in Computer Science, Software Engineering, Computer Engineering, Systems Engineering, or a related technical discipline and 9 years of relevant experience, or a Master's degree in a related field and 7 years of relevant experience. Working closely with Government engineers, researchers, and mission stakeholders, contractor personnel will support the full engineering lifecycle from requirements analysis and system design through software development, testing, deployment, and operational transition.
Senior Software Engineer, Anduril Cyber ANDURIL INDUSTRIESSenior Software Engineer, Anduril CyberWashington, DC$191,000–$253,000 / yearAs the software engineers closest to Anduril customers and end- users, Software Engineers solve technical challenges of operational scenarios while owning the end-to-end delivery of winning capabilities such as Counter Intrusion, Joint All Domain Command & Control, and Counter-Unmanned Aircraft Systems. Build and evolve software across device control, telemetry, storage, APIs, tasking workflows, and operator-facing integrations, with scope weighted toward either embedded-platform or mission/backend ownership based on candidate strengths.
Software Developer/Engineer Accenture Federal ServicesSoftware Developer/EngineerWashington, DCThe pay range for the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland is: $78,600—$160,200 USD What We Believe As a company wholly dedicated to serving the US federal government, we bring together the best talent to help reinvent how federal agencies operate and deliver greater value for their mission and the American people. As required by local law, Accenture Federal Services provides reasonable ranges of compensation for hired roles based on labor costs in the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland .
Software Engineer - TS/SCI Required - R135 Expedition TechnologySoftware Engineer - TS/SCI Required - R135Herndon, VirginiaAt Expedition Technology (EXP), we’re looking for a Software Engineer with a DevOps mindset to help us design and implement services that support verification, validation, testing, and evaluation workflows for the DoD and Intel communities. DevOps experience is a bonus, especially if you’ve worked with containerized deployments and CI/CD pipelines, but your primary focus will be building the services that run in our mission environments.
Privileged Access Management Software Engineer (Annapolis Junction, MD) Shield Consulting SolutionsPrivileged Access Management Software Engineer (Annapolis Junction, MD)Annapolis Junction, MD$230,000–$240,000 / yearThe Software Engineer shall serve as the SME for all Delinea technologies running on Linux systems and shall collaborate closely with security, infrastructure, and DevOps teams. This role ensures secure credential management, privileged access controls, secrets management, and automation capabilities that align with mission security and compliance requirements.