Test Engineer DANE LLCTest EngineerChantilly, VAFull timeBuild maintainable automation for functional, regression, and smoke suites targeting web UIs and REST APIs (Selenium/Cypress, Postman/Newman, JUnit/NUnit/Jest). We are seeking a junior to mid-level Test Engineer to join an agile quality engineering team, modernizing legacy applications into secure, scalable services.
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.
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.
STIP Senior Software Tester - Must be a U.S. Citizen and have DHS Suitability Acquired Data SolutionsSTIP Senior Software Tester - Must be a U.S. Citizen and have DHS SuitabilitySpringfield, VAFull timeCandidates will lead functional testing, regression testing, integration testing, system testing, User Acceptance Testing (UAT), API testing, performance testing, validate software against business and technical requirements, identify, document, prioritize, and track defects. The ideal candidate demonstrates strong problem-solving skills, writes clean and maintainable code, and leads systems testing/quality assurance/verification & validation discussions and improvements.
Custom Software Engineering Lead Accenture Federal ServicesCustom Software Engineering LeadChantilly, VAThe 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: $130,200—$265,300 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 .
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(Oracle HCM) Expert In Recruitment SolutionsSenior Software Engineer(Oracle HCM)Arlington, VAOwn and update problem tickets for their functional area including creating CIC deck when needed Document, communicate and facilitate permanent resolution for recurring non-critical incidents Establish and facilitate recurring touchpoint for functional area with business users. IT SME during projects – provide input to RFPs, development and/or design responsibilities as assigned, help locate documents, describe as-is state, review, approve documents & transfer documents to operations folder etc.
Software Engineer III - Applied AI Blue OriginSoftware Engineer III - Applied AIWashingtonand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing, vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. You'll take meaningful ownership over the architecture and delivery of agentic, workflow-driven search and discovery platforms - powering enterprise knowledge graphs and AI-assisted retrieval systems that help Blue Origin teams find critical data in seconds.
Cloud Administrator – AI/ML TS./SCI w Poly PeratonCloud Administrator – AI/ML TS./SCI w PolyLaurel, Maryland$146,000–$234,000 / yearFull timeAnalyze and provide solutions for project life cycle design including interviewing customers, clearly articulating customer requirements to design team, creating visual designs/prototypes, presenting information to customers, and helping solve and clarify questions and problems. Benefits: Peraton offers enhanced benefits to employees supporting 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 eligibility to participate in an attractive bonus plan.
Cloud Software Engineer, Senior Advisor - TS/SCI w/poly PeratonCloud Software Engineer, Senior Advisor - TS/SCI w/polyLaurel, Maryland$176,000–$282,000 / yearFull timeAs a Senior Cloud Software Engineer, you'll work independently on complex technical challenges while collaborating with software engineers, systems engineers, and mission stakeholders to deliver scalable, high-performance solutions. Join a highly skilled Agile development team building and enhancing mission-critical cloud applications that support large-scale distributed compute environments.
Cloud Administrator – AI/ML TS/SCI w Poly PeratonCloud Administrator – AI/ML TS/SCI w PolyLaurel, Maryland$146,000–$234,000 / yearFull timeBenefits: Peraton offers enhanced benefits to employees supporting 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 eligibility to participate in an attractive bonus plan. Shall have demonstrated ability to work within a pre-defined mission focused team structure, follow SOP's, communicate effectively, accept constructive feedback, and receive technical guidance and advice from senior level technical resources.
Software Engineer - Cloud, Lead Associate - TS/SCI w/poly PeratonSoftware Engineer - Cloud, Lead Associate - TS/SCI w/polyLaurel, Maryland$176,000–$282,000 / yearFull timeAdditionally, Cloud Software Engineers may be responsible for evaluating project needs, determining tasks and durations, creating/executing test cases, creating SOPs and Documentation, Code Reviews, and generating and reviewing designs for technical accuracy, completeness. As a Senior Cloud Software Engineer, you are expected to perform requirements analysis, software design, development, installation, integration, evaluation, enhancement, maintenance, testing, and problem diagnosis/resolution at a high level of proficiency and independence.
Senior Cloud Software Engineer TS/SCI w/Poly PeratonSenior Cloud Software Engineer TS/SCI w/PolyLaurel, Maryland$176,000–$282,000 / yearFull timeSoftware Engineers may be responsible for evaluating/leading project needs, optimizations, determining tasks and durations, code/architecture reviews, and generating and reviewing designs for technical accuracy/completeness. Experience includes leveraging existing AWS loads, integration/leveraging of platforms and prototypes, architecting AWS solutions with cost optimization in mind, and migrating to/utilizing native AWS cloud services.
NewSenior Front-End Software Development Engineer VantorSenior Front-End Software Development EngineerHerndon, VirginiaVantor is a place for problem solvers, changemakers, and go-getters—where people are working together to help our customers see the world differently, and in doing so, be seen differently. This role requires close collaboration with product owners, UX designers, back-end engineers, data engineers, and cybersecurity personnel within an Agile development environment.
NewSenior Software Engineer - Platform & Data Infrastructure ID.meSenior Software Engineer - Platform & Data InfrastructureMclean, VA$190,978–$214,052 / yearEnforce Zero-Trust Security & Secrets Management: Integrate enterprise secret management tools (HashiCorp Vault, External Secrets Operator, Google Secret Manager/KMS) and enforce Workload Identity and network perimeter controls. Working closely with Platform, Security, SRE, and Product Engineering teams, you will turn complex infrastructure into self-service developer capabilities, enforce security guardrails, and ensure high availability across critical production services.
Software Engineer III - Back End (Library of Congress) Ad HocSoftware Engineer III - Back End (Library of Congress)Mc Lean, VARemote$100,000–$105,000 / 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.
Mid Level Software Engineer, Full Stack and Generative AI ConsultNetMid Level Software Engineer, Full Stack and Generative AIRockville, 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. Build secure, high-performance RESTful and GraphQL APIs using modern backend frameworks such as Java/Spring Boot and Python/FastAPI.
Cyber Opportunities Leidos Holdings Inc.Cyber OpportunitiesColumbia, MD$131,300–$237,350 / yearOur talented team is at the forefront in Mission Software, Security Engineering, Computer Network Operations (CNO), Offensive Cyber, AI/ML, Analysis, Signals Intelligence (SIGINT), and Cryptographic Key Management. 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.
Cyber Opportunities LeidosCyber OpportunitiesColumbia, Maryland$131,300–$237,350 / yearFebruary 9, 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. Our talented team is at the forefront in Mission Software, Security Engineering, Computer Network Operations (CNO), Offensive Cyber, AI/ML, Analysis, Signals Intelligence (SIGINT), and Cryptographic Key Management.
NewLead / Principal Enterprise Architect LCGLead / Principal Enterprise ArchitectRockville, MarylandThis role bridges business strategy and technical execution: partnering with executive stakeholders to understand business drivers, working with vendors to evaluate and integrate commercial products, and collaborating closely with existing development teams to translate architectural vision into effective, buildable designs. The role does not require day-to-day hands-on application development; however, the architect must be technically proficient enough to evaluate solutions, challenge technical approaches, guide development teams, and translate architectural concepts into implementable designs.