Senior DevSecOps & Systems Engineer (Full Stack) Science Applications International CorpSenior DevSecOps & Systems Engineer (Full Stack)Sterling, VA$120,001–$160,000 / yearSecDevOps & Automation Responsibilities: Architect, implement, and maintain secure CI/CD pipelines with integrated security gates, including static and dynamic application security testing (SAST/DAST), software composition analysis (SCA), container scanning, and secrets management. This role requires deep expertise spanning software development, IT operations, systems engineering, and security engineering, with the ability to bridge gaps between systems, teams, and processes while serving as a hands-on technical leader.
Software Engineer - CTJ - Poly Microsoft CorpSoftware Engineer - CTJ - PolyVA$100,600–$199,000 / yearWith minimal supervision, works with relevant security partners to define security promises and security invariants while factoring in attacker/investigator personas for security monitoring and telemetry needs, ensure threat models and premortems validate upstream and downstream assumptions and security invariants, establish security breach drills and security incident response processes (e.g., impact analysis, containment), and ensure that artificial intelligence (AI) safety features are implemented for the AI production systems tied to a set of product features. Masters Degree in Computer Science or related technical field AND 3+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelors Degree in Computer Science or related technical field AND 5+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.
Lead Software Engineer Leidos Holdings IncLead Software EngineerArlington, VA$87,100–$157,450 / yearThe 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. 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.
Operations & Maintenance Cloud Engineer Leidos Holdings IncOperations & Maintenance Cloud EngineerAshburn, VA$87,100–$157,450 / yearAt the direction of the O&M team leader, develop and implement technical efforts to maintain AWS applications, including supporting after-hours and weekend calls to remediate production issues. PSPD supports the Department of Homeland Security (DHS) and CBP critical missions, specifically screening and processing travelers at the ports of entry (POEs) into the United States.
Cyber Security Engineer-Technical Lead Leidos Holdings IncCyber Security Engineer-Technical LeadBethesda, MDThe Cyber Security Engineer- Technical Lead will serve in a hands-on "player-coach" capacity, dedicating approximately 75% of time to direct technical engineering, troubleshooting, and implementation work, while providing technical leadership and coordination across the security team. • Provide technical leadership and subject matter expertise to the security engineering team while coordinating with peer Technical Leads across infrastructure and application domains to ensure alignment of architecture and security controls.
Software Engineer TS/SCI Poly Leidos Holdings IncSoftware Engineer TS/SCI PolyMDYou 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. Preferred Qualifications Experience with the following: Java Enterprise Edition (JEE) (i.e., EJB, JPA, JTA, JAX-B, JAX-RS, JAX-WS), SQL, application servers (Tomcat, WebLogic, JBoss), Spring framework, scripting.
AI Solutions Engineer Science Applications International CorpAI Solutions EngineerWashington, DC$160,001–$200,000 / yearOur client is committed to a journey that will modernize hundreds of legacy applications with unprecedented speed, digitize low-to-no-tech business processes, and outfit the organization with cutting edge tools for planning and decision making. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services.
Senior Software Engineer The Informatics Applications Group IncSenior Software EngineerArlington, VAExperience with AWS Cloud Native Services, CodeCommit, CodeBuild, CodeDeploy, CodePipeline, Elastic Container Registry, Elastic Container Service, Elastic Kubernetes Service. Experience with modern development frameworks and tools (e.g., Net Core, ASP.Net, Identity framework, Entity framework, MVC (Model, View, Controller), Blazor, Fluentui).
Full Stack Software Engineer, Program Systems Saronic Technologies IncFull Stack Software Engineer, Program SystemsDCThis role is responsible for designing, developing, and maintaining mission-critical internal applications that drive operational visibility, decision-making, and execution across Saronic's growing portfolio of Autonomous Surface Vessel (ASV) programs. You will work at the intersection of software engineering and program operations, building tools that connect real-time production data, program governance, demand forecasting, and customer engagement into a unified digital thread.
Mission Data & Simulation Integration Engineer The Aerospace CorpMission Data & Simulation Integration EngineerChantilly, VA$151,300–$226,900 / yearThis hands-on technical role bridges the critical gap between modernized next generation Modeling & Simulation (M&S) software, enterprise Data Management Platforms (DMP), multiple computing environments, emerging agentic workflows, and the complex mission requirements they will support for Aerospace and its customers. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers.
Senior AI-ML Integration Software Engineer The Informatics Applications Group IncSenior AI-ML Integration Software EngineerReston, VAIn this role, the Senior Engineer will leverage expertise in cloud-native solutions and modern web architectures to lead the integration of cutting-edge Artificial Intelligence (AI) and Machine Learning (ML) capabilities into our product suite. Key Responsibilities: AI/ML & Cloud Integration: Architect and deploy intelligent features using Cloud AI services, with a strong focus on building generative AI workflows, retrieval-augmented generation (RAG), and agentic pipelines.
Re-Platforming Software Engineer Science Applications International CorpRe-Platforming Software EngineerArlington, VAHelp 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).
Sr. Software Engineer TS/SCI Poly Leidos Holdings IncSr. Software Engineer TS/SCI PolyAlexandria, VA$131,300–$237,350 / yearYou 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.
Backend Software Engineer Set of XBackend Software EngineerAnnapolis Junction, MDFull timeYou will be working on a mixed skillset team consisting of frontend, backend, and full stack developers as well as data analysts and a UX designer in close collaboration with the mission customer. With a shared desire to give back, grow the community, and do great work, the Set of X team is building an elite group of engineers with a strong sense of shared responsibility and ownership.
Full Stack Engineer Revolutional, LLCFull Stack EngineerWashington, DCRemote$110,000–$160,000 / yearBuilt and enhanced Java/Spring Boot applications integrated with Palantir Foundry , leveraging REST APIs, microservices, and cloud-native technologies to support enterprise data management and operational workflows. We apply modern capabilities, including AI/ML, cloud, cybersecurity, and IT modernization to solve complex challenges, enable faster and more secure operations, and drive measurable mission outcomes.
Senior BI Engineer Tria FederalSenior BI EngineerWoodlawn, MDThis role will also leverage AI/GenAI tools to help automate report generation, documentation, and data analysis workflows, and support natural language query (NLQ) capabilities for BI dashboards to improve self-service analytics. We are seeking a skilled Senior BI Enginee r with strong Oracle and PostgreSQL database expertise and advanced SQL skills to design, develop, and maintain enterprise BI solutions.
Software Engineer Level 3-FFLL-8907 Onyx PointSoftware Engineer Level 3-FFLL-8907Hanover, MarylandExperience with open-source integrations would be great and any experience with open-source tools is required - i.e. AWS, Docker, Kubernetes, EKS, Rancher, Tomcat, Spring, JMS and AWS. Cloud Experience: Shall have demonstrated work experience with distributed scalable Big Data Store (NoSQL) such as Hbase, CloudBase/Accumulo, Big Table, etc.
Quality Assurance Specialist/Engineer Tria FederalQuality Assurance Specialist/EngineerWashington, DCExperience testing with data technologies, including SQL or similar query languages, relational databases (PostgreSQL, MySQL, AWS Aurora, or similar), and data formats such as XML and JSON. Experience or Knowledge of source control and DevSecOps tooling, including Git/GitHub, GitHub Actions, Harness, Jenkins, ArgoCD, SonarQube, Checkmarx, Twistlock, and CI/CD pipeline implementation.
AI Systems Engineer Tria FederalAI Systems EngineerWoodlawn, MDThe Software Engineer will work closely with engineering and product teams to evaluate emerging tools, build technical demonstrations, document integrations, and communicate platform updates in a highly collaborative setting. We are looking for a highly skilled AI Systems Engineer who will be part of a collaborative and agile team that supports and builds modern, usable, and responsive applications for mission-critical U.S. federal government health IT solutions.
NewSoftware Engineer Rhombus Power, Inc.Software EngineerWashington, DC$115,000–$155,000 / yearWork closely with front-end developers to design and develop functional, performing, and complete APIs or GraphQL, and work tirelessly to define initiatives to improve quality and/or productivity, such as implementing automated test tools or new development methodologies within the team. Additionally, you will engage closely with our product team to understand current user needs and anticipate future user needs, facilitating the seamless integration of user requirements into software solutions.
Systems Engineer / GEOTAM / (Hybrid) [Contingent] iWorks CorporationSystems Engineer / GEOTAM / (Hybrid) [Contingent]Silver Spring, MDRemote$125,000–$165,000 / yearFull timeThe Systems Engineer will provide technical leadership across system architecture, application modernization, cloud migration, and operational sustainment efforts supporting mission-critical geospatial platforms used by the Decennial Census, American Community Survey, and other enterprise Census programs. This program supports the modernization, enhancement, and sustainment of the Census Bureau's MAF/TIGER geospatial systems through application development, geospatial data management, and enterprise IT modernization initiatives.
VistA/VA Systems Integration Engineer Tria FederalVistA/VA Systems Integration EngineerArlington, VAExperience working with the following software products: Adobe Acrobat, Microsoft® Office Suite, i.e. Word/Excel/Power Point/Outlook/Access/MS® Project, Microsoft SharePoint, Microsoft Visio, IBM Rational Tool Suite, Skype, WebEx, WinZip. Research & develop custom solutions for a variety of healthcare customers, from new solutions to mature, large scale distributed deployments.
Senior Full Stack Engineer Revolutional, LLCSenior Full Stack EngineerMclean, VARemote$130,000–$185,000 / yearBuilt and enhanced Java/Spring Boot applications integrated with Palantir Foundry , leveraging REST APIs, microservices, and cloud-native technologies to support enterprise data management and operational workflows. We apply modern capabilities, including AI/ML, cloud, cybersecurity, and IT modernization to solve complex challenges, enable faster and more secure operations, and drive measurable mission outcomes.
Associate Full Stack Engineer Revolutional, LLCAssociate Full Stack EngineerWashington, DCRemote$75,000–$100,000 / yearBuilt and enhanced Java/Spring Boot applications integrated with Palantir Foundry , leveraging REST APIs, microservices, and cloud-native technologies to support enterprise data management and operational workflows. We apply modern capabilities, including AI/ML, cloud, cybersecurity, and IT modernization to solve complex challenges, enable faster and more secure operations, and drive measurable mission outcomes.
Cloud Engineer SwiftCloud EngineerChantilly, VirginiaManage AWS infrastructure including S3 buckets, EC2 instances, subnets, auto-scaling groups, IAM users/groups, load balancers, security groups, and network ACLs. Responsibilities: Design, implement, and maintain security controls for cloud and enclave systems, including IAM, vulnerability management, system hardening, and AMI refresh cycles; automate processes where applicable.
Data Engineer GuidehouseData EngineerMclean, VA$102,000–$170,000 / yearThe ideal candidate will have hands-on experience with modern data engineering tools, cloud services, CI/CD, and version control, and will collaborate with cross-functional teams to deliver high-quality, scalable data solutions. Compensation decisions depend on a wide range of factors, including but not limited to skill sets, experience and training, security clearances, licensure and certifications, and other business and organizational needs.
Senior Data Engineer (5307) SmartronixSenior Data Engineer (5307)Arlington, VA$125,000–$180,000 / yearThe ideal candidate will bring strong hands-on experience developing production data pipelines, data models, and analytics solutions using Palantir Foundry, Databricks, or similar modern data platforms. The SMX salary determination process takes into account a number of factors, including but not limited to, geographic location, Federal Government contract labor categories, relevant prior work experience, specific skills, education and certifications.
Senior Full Stack Java Engineer (AWS & Angular) ICONMA, LLCSenior Full Stack Java Engineer (AWS & Angular)McLean, VA$41.43–$46.43 / hourDesign, develop, and maintain robust, scalable, and high-performance enterprise Java applications using Java 17+, J2EE, Spring Boot 3.0+, Spring MVC, and related frameworks. Beyond technical expertise, the successful candidate will demonstrate the following professional attributes: Self-starter with the initiative to drive work forward independently and proactively identify solutions.
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.
DevOps Engineer Pyramid, IncDevOps EngineerAshburn, VAFull timeapplication log management tools like logstash, splunk, etc - Strong debugging skills and identifying root causes DESIRED SKILLS: - Experience in Oracle databases on RACK - Any of RASP technologies like Prevorty etc - SiteMinder SSO web agent - exposed to Information Security with Corporate and Regulatory guidelines - Experience with Dynatrace EDUCATION/CERTIFICATIONS: Desired: Certified in Oracle cloud OR AWS REQUIRED SHIFT: Position rquires occasional "on call" or after hour support Our client is a leading Telecom Industry and we are currently interviewing to fill this and other similar contract positions. Install, upgrade, Configure, Administer, and troubleshoot - Experience in Oracle Cloud (OCI) - Strong experience using deployment and continuous integration tools such as Jenkins, Stash, Jira, Ant, Maven, etc - Experience with Oracle Service Bus and Weblogic based messaging technologies.
Data Pipeline Engineer :: Washington, DC (Remote) ARK Solutions, Inc.Data Pipeline Engineer :: Washington, DC (Remote)Washington, DCRemoteProficiency in Informatica, Informatica S3 Connector, AWS CLI, Cloud (AWS), CloudBees Jenkins, Jira, Confluence, GitLab, PostgreSQL, Oracle, SQL, Tableau, TOAD, Linux. Support data assessment, source-to-target mapping, transformation, cleansing, trial migrations, validation, reconciliation, cutover support, and post-migration issue resolution.
Data Architect Emergent Technologies IncData ArchitectReston, VAFull timeEmergent Technologies Inc., a veteran-owned technology company supporting mission-critical government programs, is seeking a Senior Database Engineer with deep expertise in database design, performance optimization, and data management. In this role, you will play a key part in designing secure, scalable database environments that support enterprise-level applications and cloud initiatives.
Lead Software Engineer, Data & DevSecOps Leidos Holdings IncLead Software Engineer, Data & DevSecOpsArlington, VA$131,300–$237,350 / yearImplement software release version control, provide release management support throughout a software product's life cycle (initial software development through promotion to Test, QA and Production Environments), ensuring the consistency and reliability of software builds. Minimum of 10 years of hands-on technical experience in at least three of the following areas: Oracle, SQL Server, Java, engineered systems, cloud technologies, data integration, automated testing and deployments, and DevSecOps.
Cloud Engineer, Senior (AWS / Cloud Modernization) LCGCloud Engineer, Senior (AWS / Cloud Modernization)Rockville, MarylandThe Cloud Engineer will play a key role in migrating Oracle-based systems to AWS EC2, evaluating managed database services (RDS), and supporting long-term cloud-native transformation strategies. The position requires strong expertise in AWS infrastructure, cloud migration strategies, and DevSecOps practices to ensure scalable, secure, and cost-effective cloud solutions aligned with Client's modernization roadmap.
Lead Software Engineer, Data & Devsecops Leidos Holdings Inc.Lead Software Engineer, Data & DevsecopsArlington, VA$131,300–$237,350 / yearImplement software release version control, provide release management support throughout a software product's life cycle (initial software development through promotion to Test, QA and Production Environments), ensuring the consistency and reliability of software builds. Minimum of 10 years of hands-on technical experience in at least three of the following areas: Oracle, SQL Server, Java, engineered systems, cloud technologies, data integration, automated testing and deployments, and DevSecOps.
Data Architect Emergent TechnologiesData ArchitectReston, VirginiaEmergent Technologies Inc., a veteran-owned technology company supporting mission-critical government programs, is seeking a Senior Database Engineer with deep expertise in database design, performance optimization, and data management. With our comprehensive technological solutions, we aim to share our expertise to help these entities develop a strategic plan, ensure a seamless implementation process, and produce accurate and efficient results.
NewCloud Pipeline Data Engineer CACICloud Pipeline Data EngineerSpringfield, VirginiaPay 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 support cloud-based data intake and storage, data ingestion automation, and ensuring the reliability of processes responsible for data loading and data transformation.
Java Full Stack Engineer GuidehouseJava Full Stack EngineerBethesda, MarylandThis role supports VSAC web applications, terminology services, value set authoring, APIs, search, scheduled jobs, content/document management, and healthcare data pipelines. Compensation decisions depend on a wide range of factors, including but not limited to skill sets, experience and training, security clearances, licensure and certifications, and other business and organizational needs.
ETL Engineer VTGETL EngineerChantilly, VirginiaFull timeThe ideal candidate will be responsible for designing, building, and maintaining data pipelines and integration processes that enable reliable, timely, and high-quality data delivery across the organization. This role requires strong technical capabilities, a deep understanding of data architecture, and the ability to collaborate effectively with cross-functional stakeholders.
NewNetwork Engineer (Palo Alto) Edgewater Federal Solutions, Inc.Network Engineer (Palo Alto)Washington, Washington, DC$120,000–$128,000 / yearFull timeEdgewater Federal Solutions is ISO 9001, 20000-1, 270001 certified, appraised at CMMI Level 3 Maturity for Development and Services, and has been named in the Top Workplaces in the Greater Washington Area Companies since 2018. . The Network Engineer works to maintain network reliability, resolve issues promptly, and collaborate with other IT teams to ensure that networking systems support the organization's operational needs.
Sr. Solution Engineer, Federal Government Sales Rimini Street IncSr. Solution Engineer, Federal Government SalesDCThe Company has signed thousands of contracts with Fortune Global 100, Fortune 500, midmarket, public sector and government organizations who selected Rimini Street as their trusted, proven mission-critical enterprise software solutions provider and achieved better operational outcomes, realized billions of US dollars in savings and funded AI and other innovation investments. Our comprehensive portfolio of unified solutions help run, manage, support, customize, configure, connect, protect, monitor, and optimize enterprise application, database and technology software, enabling our clients to achieve better business outcomes, significantly reduce costs and reallocate resources towards strategic projects.
Cloud Network Security Engineer Job 1393 DLH Holdings Corp.Cloud Network Security Engineer Job 1393Bethesda, MD$150,000–$158,000 / yearBachelor's degree in computer science, engineering, or a related field or an equivalent combination of education and experience and appropriate technical certifications, with at least twelve (12) years of experience in information technology and (4) years leading or performing systems engineering or related functions. Support a federal healthcare enterprise environment by collaborating with and providing support to other IT Operational Service Areas (Server/Storage, Network, Service Desk, Application Development) in the design, development, and testing of solutions, as well as diagnosing, troubleshooting, and remediation of issues.
Special Projects Group Principal Geotechnical Engineer - Transportation Engineering Consulting Services LtdSpecial Projects Group Principal Geotechnical Engineer - TransportationHanover, MD$125,000–$200,000 / yearECS is currently ranked #60 in Engineering News-Record's Top 500 Design Firms (April 2026), #148 in Engineering News-Record's Top 200 Environmental Firms (October 2025) and #50 in Zweig Group's Hot Firm List (May 2025). Attend weekly department managers meeting to discuss overall goals and learn information that will need to be passed down to Project and Senior Project Managers.
IT Systems Engineer 3 - Falls Church, VA M.C. Dean IncIT Systems Engineer 3 - Falls Church, VAFalls Church, VADevelop designs and architectural changes to infrastructure environments including physical/logical drawings, engineering design plans, implementation plans, transition plans, test plans, and failover plans. Clearance/Citizen Type: Applicants selected will be subject to a government security investigation and must meet eligibility requirements, including U.S. Citizenship, for access to classified information; active Secret Clearance is required.
IT Systems Engineer 2 - Falls Church, VA M.C. Dean IncIT Systems Engineer 2 - Falls Church, VAFalls Church, VADrive development of designs and architectural changes to infrastructure environments including physical/logical drawings, engineering design plans, implementation plans, transition plans, test plans, and failover plans. Clearance/Citizen Type: Applicants selected will be subject to a government security investigation and must meet eligibility requirements, including U.S. Citizenship, for access to classified information; active Secret Clearance is required.
Security Systems Engineer 3 - Washington, DC M.C. Dean IncSecurity Systems Engineer 3 - Washington, DCDC$104,240–$156,360 / yearAs part of the SES Strategic Business Unit, you will be part of a team that designs, engineers, integrates, operates and maintains electronic security services to include intrusion detection, access control, biometric authentication, video surveillance, audio visual, IT systems, perimeter defense and command and control systems for federal, local and commercial customers across high-growth markets. Research, prototype, and develop emerging technologies by working closely with industry partners and OEMs to implement the latest and best-in-bread capabilities to meet the customers' emerging needs.
IT Systems Engineer 4 - Falls Church, VA M.C. Dean IncIT Systems Engineer 4 - Falls Church, VAFalls Church, VADrive development of designs and architectural changes to infrastructure environments including physical/logical drawings, engineering design plans, implementation plans, transition plans, test plans, and failover plans. Clearance/Citizen Type: Applicants selected will be subject to a government security investigation and must meet eligibility requirements, including U.S. Citizenship, for access to classified information; active Secret Clearance is required.
Senior Structural Engineer Talent FindersSenior Structural EngineerFulton, MarylandExperience with computer software programs and analysis systems (such as RISA, AutoCAD, Revit, RamSS, Etabs, Enercalc, etc.). Work closely with other offices, such as Raleigh, Atlanta structural groups to complete projects and tasks.
NewSoftware Engineer II Full-Stack STraffic AmericaSoftware Engineer II Full-StackVienna, VirginiaFull timeThe Software Engineer II will be responsible for designing, developing, and maintaining scalable web applications using modern technologies including React, TypeScript, Spring Boot, and PostgreSQL . This role is ideal for a full-stack developer who enjoys working across both front-end and back-end technologies, has experience with modern cloud environments, and thrives in a collaborative Agile and DevOps culture.
Software Engineer Booz Allen Hamilton Inc.Software EngineerHerndon, 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. We're looking for a back-end developer with the software engineering skills it takes to help identify potential risks, contribute to solution development, and create efficient and effective systems for our clients.