Mid-Level Test Engineer LeidosMid-Level Test EngineerGaithersburg, MarylandThis is an opportunity to work alongside talented engineers, software developers, product managers, and mission experts to build innovative geospatial intelligence capabilities that enable critical national security missions. July 21, 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.
Senior AI Engineer (SWE-3) LeidosSenior AI Engineer (SWE-3)Linthicum Heights, MarylandMission Focus : Collaborate closely with technical leadership to design, develop, and maintain LLM orchestration frameworks that coordinate static analyzers, retrieval-augmented generation (RAG) systems, and automated testing pipelines. Seeking a motivated Senior AI Engineer with a proven track record in software engineering and deep understanding of Artificial Intelligence/Machine Learning (AI/ML) techniques to support the exciting new AI and Emerging Technologies (AI&ET) mission.
Forensic Structural Engineer II, Washington, DC Salas O'BrienForensic Structural Engineer II, Washington, DCDistrict of ColumbiaRemoteOur specialized experience includes design for energy, manufacturing and industrial process, data centers, healthcare, science and technology, high-rise buildings, education, and other building types as well as structural and building sciences, infrastructure asset management, advanced robotics, and more. Our technical expertise is paired with an exceptional team of business development, human resources, finance and accounting, information technology, and marketing professionals, all of whom play a key role in bringing our commitments to deliver outstanding client outcomes and build long-term careers.
Software Engineer TS/SCI Polygraph LeidosSoftware Engineer TS/SCI PolygraphAnnapolis Junction, MarylandShe/he 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.
ME00626-Software Engineer 2 Momentum Engineering OpeningsME00626-Software Engineer 2Annapolis JunctionBachelor's degree in Computer Science, Mathematics, Engineering, Statistics, Engineering Management, or a related technical discipline from an accredited college or university Four (4) additional years of directly related Software Engineering experience may be substituted in lieu of the degree requirement. The ideal candidate is a self-motivated software engineer with experience developing enterprise applications, implementing Infrastructure as Code (IaC), supporting AWS cloud environments, and contributing to continuous integration and deployment pipelines.
ME00628-Test Engineer Momentum Engineering OpeningsME00628-Test EngineerAnnapolis JunctionBachelor's degree in Mathematics, Computer Science, Engineering, Statistics, Engineering Management, or a related technical discipline Four (4) additional years of Test Engineering experience may be substituted in lieu of the degree requirement. Working closely with software engineers, cloud engineers, DevSecOps teams, and solution providers, you will lead testing efforts for applications transitioning to—or operating within—Amazon Web Services (AWS) environments.
Senior UI/UX Engineer LeidosSenior UI/UX EngineerGaithersburg, MarylandYou’ll work alongside talented software engineers, systems engineers, product owners, testers, and mission stakeholders to transform challenging operational requirements into responsive, intuitive, accessible, and technically sound experiences. Join Leidos on the Chinook Program, supporting an Intelligence Community customer, and help design and deliver modern user interfaces that enable mission users to interact with sophisticated systems and data more effectively.
Senior Database Engineer (Linthicum, MD) Shield Consulting SolutionsSenior Database Engineer (Linthicum, MD)Linthicum, MD$215,000–$225,000 / yearEssential Duties and Responsibilities:The Database Engineer will direct the development of complex systems using queries, tables, and database storage and retrieval using Cloud methodologies for the design, development, implementation, information storage and retrieval, data flow and analysis. Description: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.
Application Engineer II IDEXApplication Engineer IILinthicum, MarylandThe Valves and Flow Control Applications Engineer plays a key role in helping customers, sales teams, and internal engineering groups select and apply valves and fluid control products. The person in this role uses technical knowledge, strong communication skills, and practical engineering judgment to make sure customers receive solutions that fit their performance and compliance requirements.
Software Engineer 2 - Mission Software & Data Systems Navius TechnologiesSoftware Engineer 2 - Mission Software & Data SystemsAnnapolis Junction, MarylandDevelop software solutions by analyzing system performance, working with system engineers and users, and investigating data flows and processing logic. Position Overview: Navius Technologies is seeking a highly skilled Software Engineer Level 2 to support mission-critical programs in a secure environment.
Senior Data Integration Engineer Reflexive ConceptsSenior Data Integration EngineerAnnapolis Junction, MarylandThe ideal candidate will possess a blend of database engineering, data integration and automation experience with the ability to support structured data ingestion workflows, JSON-based transformations, validation processes and enterprise application integrations including Pega-based systems serving as systems of record. This role will support enterprise data modernization and integration efforts focused on ingesting, transforming, validating and managing operational data supporting critical business and mission workflows across acquisition, finance, HR, logistics, training, security and program management systems.
Senior Software Systems Engineer- TS/SCI with Poly Navius TechnologiesSenior Software Systems Engineer- TS/SCI with PolyAnnapolis Junction, MarylandYou'll work directly with technical teams and stakeholders to shape complex system architectures, integrate scalable software solutions, and ensure end-to-end technical alignment using modern engineering frameworks. Navius Technologies is a mission-driven technology startup built by a team of high-performance professionals with decades of combined experience in the Intelligence Community, cybersecurity, and commercial sectors.
Database Engineer III FLASH Technology GroupDatabase Engineer IIIMaryland$104,000–$121,000 / yearThe Database Engineer will direct the development of complex systems using queries, tables, and database storage and retrieval using Cloud methodologies for the design, development, implementation, information storage and retrieval, data flow and analysis. •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.
Senior Systems Integration Engineer LeidosSenior Systems Integration EngineerGaithersburg, MarylandWorking alongside FAA personnel in live airport environments provides a unique opportunity to gain firsthand operational experience, build strong customer relationships, and see the direct impact of your work as TFDM is deployed across the National Airspace System. As part of this team, you'll collaborate with software engineers, system engineers, and FAA stakeholders to deliver capabilities that directly support air traffic controllers and airport operations across the country.
Project Network Engineer LeidosProject Network EngineerCamp Springs, MarylandDuties include providing specifications for network architecture design, evaluate and perform assessments of current infrastructure to ensure solution meets customer requirements, conduct proof of concepts and/or recommend hardware/software purchases in support of new technologies on ways to improve the environment. August 2, 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.
Desktop Systems Engineer DAn SolutionsDesktop Systems EngineerAnnapolis Junction, MDFull timeEducation & ExperienceCandidates must meet one of the following requirements:High School Diploma and 10 years of relevant experienceAssociate's Degree and 8 years of relevant experienceBachelor's Degree and 6 years of relevant experienceMaster's Degree and 4 years of relevant experiencePhD and 2 years of relevant experienceLeadership ExpectationsLead multiple engineering efforts and technical teams simultaneously. REQUIRES AN ACTIVE/EXISTING TS/SCI WITH CI POLYGRAPH - NO REMOTE WORK, MUST WORK ON SITEPosition SummaryDAn Solutions is seeking an experienced Desktop Systems Engineer – Level 3 to provide senior-level engineering support for enterprise desktop systems and infrastructure.
Software Engineer TS/SCI Poly LeidosSoftware Engineer TS/SCI PolyAnnapolis Junction, Maryland$87,100–$157,450 / yearShe/he 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.
Electrical Development Engineer Johns Hopkins Applied Physics LaboratoryElectrical Development EngineerLaurel, MarylandFull timeThis position is well suited for an engineer who enjoys working across the full hardware development lifecycle and is equally comfortable designing a printed circuit board, bringing up new hardware at the bench, and troubleshooting an integrated system with an oscilloscope. You will work closely with electrical, optical, mechanical, FPGA, software, and systems engineers to develop laboratory and fieldable systems that require precise timing, reliable interfaces, and high-performance real-time operation.
Sr. Release Train Engineer TS/SCI Polygraph LeidosSr. Release Train Engineer TS/SCI PolygraphAnnapolis Junction, MarylandThis role requires close partnership with teams to assess Feature progress, identify risks to delivery, understand the factors affecting planned work, and help remove or mitigate obstacles that may impact successful completion. Bachelor’s degree in Systems Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or a related discipline from an accredited college or university, and at least 12 years of relevant experience.
Software Engineer III Reflexive ConceptsSoftware Engineer IIIAnnapolis Junction, MarylandAs a Level 3 engineer, you will also serve as technical lead across one or more development teams — selecting the development process in coordination with the customer and systems engineering, delegating programming and testing work, owning quality control for all delivered software, and conferring with users, systems engineers, and hardware engineers to shape requirements and recommend new technologies. The role covers the full development lifecycle: deriving design and performance specifications from user requirements, designing and modifying complex software systems, building complex algorithms and data repository interfaces that hold to strict timing and resource constraints, integrating work into existing systems and operating environments, and developing and executing test procedures.