Software Engineer TS/SCI Poly LeidosSoftware Engineer TS/SCI PolyAnnapolis 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.
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.
Software Engineer in Deployment - JobID-0241 Innovative Defense TechnologiesSoftware Engineer in Deployment - JobID-0241Arlington, Virginia$135,000–$273,000 / yearWho You Are (Required): Bachelor’s Degree in Information Technology, Computer Science, Computer Engineering, Electrical Engineering, Systems Engineering, Physics, or Math, or equivalent full-time professional experience; Master’s Degree in Engineering or other technical field highly desired. Manage, mentor, and lead a small team of engineers working operational and development tasks while championing the use of AI to streamline the team’s workflow, incorporating AI-driven approaches to optimize automation and reduce the complexity of installations.
Associate Cloud AI Engineer - Ts/Sci Clearance - Travel PGTEKAssociate Cloud AI Engineer - Ts/Sci Clearance - TravelWashington, DC$80,000–$100,000 / yearThis is an excellent opportunity for early-career cloud professionals, recent graduates, military veterans, and PGTEK Academy candidates looking to gain hands-on experience with Google Cloud Platform (GCP), enterprise AI, and federal cloud modernization projects. Location: Various U.S. Federal Client Sites (Onsite) Travel: Travel required to customer sites throughout the Continental U.S. Salary: $80,000 – $100,000 Clearance: Active TS/SCI or the ability to obtain a TS/SCI clearance required.
Data Storage Engineer LeidosData Storage EngineerBethesda, MarylandExtensive experience administering enterprise-level data storage systems (Dell Storage Center, Dell Compellent, and Data Domain preferred) with a demonstrated understanding of the following services and technologies. Develop and maintain engineering artifacts including architecture diagrams, low-level designs, interface documentation, data flow mappings, and implementation plans.
Cloud AI Engineer - TS/SCI clearance - travel role PGTEKCloud AI Engineer - TS/SCI clearance - travel roleWashington, DC$105,000–$115,000As a Cloud AI Engineer, you will design, implement, and manage secure, scalable Google Cloud solutions supporting federal customers migrating legacy infrastructure into Google Cloud and Gemini for Government environments. Working within highly secure FedRAMP and DoD environments, you'll help build modern cloud platforms using automation, Infrastructure as Code, Kubernetes, enterprise AI, and Google Cloud best practices.
Cloud AI Engineer - Ts/Sci Clearance - Travel Role PGTEKCloud AI Engineer - Ts/Sci Clearance - Travel RoleWashington, DC$105,000–$115,000 / yearLocation: Various U.S. Federal Client Sites (Onsite) Travel: Travel required to customer sites throughout the Continental U.S. Salary: $105,000 – $115,000 (DOE) Clearance: Active TS/SCI or the ability to obtain a TS/SCI clearance required. As a Cloud AI Engineer, you will design, implement, and manage secure, scalable Google Cloud solutions supporting federal customers migrating legacy infrastructure into Google Cloud and Gemini for Government environments.
Data Engineer Booz Allen HamiltonData EngineerUsa, MarylandOnsite : 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. In this role, you’ll collaborate closely with AI Model Engineers, Network and Cloud Architects, the ISSE, and other technical leaders to guide the development of scalable, mission‑aligned data pipelines.
Senior Systems Engineer (SE-3) LeidosSenior Systems Engineer (SE-3)MarylandSeeking a motivated Senior Systems Engineer to support the exciting Analysis & Mitigations mission to assist in defining and implementing a system architecture for an Agentic Knowledge Management System using an agentic framework to perform automated knowledge extraction. 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.
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.
Associate Cloud AI Engineer - TS/SCI clearance - Travel PGTEKAssociate Cloud AI Engineer - TS/SCI clearance - TravelWashington, DC$80,000–$100,000This is an excellent opportunity for early-career cloud professionals, recent graduates, military veterans, and PGTEK Academy candidates looking to gain hands-on experience with Google Cloud Platform (GCP), enterprise AI, and federal cloud modernization projects. As an Associate Cloud AI Engineer, you'll work alongside Senior and Lead Cloud AI Engineers to help deploy, secure, and support Google Cloud environments for federal customers.
Enterprise - Test Engineer - AWS, Cypress, JavaScript Erias VenturesEnterprise - Test Engineer - AWS, Cypress, JavaScriptAnnapolis Junction, MarylandThis role involves close collaboration with a cross-functional Agile team of software developers, system engineers, and product owners to validate functional enhancements and support the ongoing modernization of authoring and dissemination tools. Responsibilities will include: deploying applications; installing and configuring complex software; managing network servers and technology tools; monitoring and maintaining the system for required levels of performance; and troubleshooting issues and outages.
Cisco ISE Engineer LeidosCisco ISE EngineerMarylandMicro-Segmentation for ZTA: Engineer and maintain Cisco TrustSec, Security Group Tags (SGTs), and Security Group Access Control Lists (SGACLs) to contain lateral movement and enforce granular network segmentation. Zero Trust Architecture (ZTA) Execution: Architect and deploy Zero Trust Network Access (ZTNA) principles using Cisco ISE to strictly enforce least-privilege access across the enterprise network.
Post Quantum Cryptography Engineer Booz Allen HamiltonPost Quantum Cryptography EngineerUsa, District of ColumbiaOnsite : 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.
Senior Cybersecurity Engineer Fluence EnergySenior Cybersecurity EngineerArlington, VirginiaThe Senior Cybersecurity Engineer works closely with product, software, networking, and operations teams to integrate security into development and deployment processes while ensuring alignment with business and operational needs. The Senior Cybersecurity Engineer is responsible for implementing and advancing cybersecurity engineering practices across Fluence software products, operational technology (OT) environments, and supporting infrastructure.
Systems Integration Engineer (NDA-2) LeidosSystems Integration Engineer (NDA-2)MarylandBachelor's degree plus 5-years of relevant experience, or master’s degree plus 3-years of relevant experience or an associate’s degree plus 7-years of relevant experience or high school diploma/GED plus 9-years of relevant experience may be considered. Relevant experience must be in computer or information systems design/development, programming, information/cyber/network security, vulnerability analysis, penetration testing, computer forensics, information assurance and/or systems engineering.
Sr. Communications Engineer Systems Planning and AnalysisSr. Communications EngineerWashington, DC, Washington, DC$135,000–$175,000 / yearFull timeLeverage specialized tools including Cambium LINKPlanner for point-to-point and point-to-multipoint microwave/wireless link design, path profiling, performance prediction, and “what-if” scenario modeling; and Spectrum Center’s Spectrum-E for spectrum management, e-licensing support, technical analysis (coverage plots, best server analysis, interference studies), and coordination workflows. Engage with internal stakeholders (e.g., DHS components like CBP, TSA, and NTIA/FCC spectrum offices) and external partners (e.g., contractors, interagency groups, commercial carriers) to resolve technical challenges, ensure system interoperability, coordinate spectrum access, and support frequency allocation requests for mission-critical border operations.
Cyber Range Engineer LeidosCyber Range EngineerAnnapolis Junction, Maryland$92,300–$166,850 / 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. April 13, 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.
Interoperability and Communications Systems Engineer Johns Hopkins Applied Physics LaboratoryInteroperability and Communications Systems EngineerLaurel, MarylandFull timeYour primary responsibility will be to lead performance analysis of tactical data links and development of innovative data network capabilities to enable future joint warfighting capabilities and kill-chains. Served as a Joint Interface Control Officer or have a similar background developing and operating joint service networks including Link-16, JREAP-C, or other tactical data link architectures.
NewForescout Engineer Booz Allen Hamilton Inc.Forescout EngineerWashington, DC$99,000–$225,000 / yearExperience with network engineering, including physical or logical such as installation and activation of ports, configuration of switches, LANS, VLANS, network FW, and appliances or network administration services such as Active Directory, Guests LANS, and domain management. HS diploma or GED and 7+ years of experience with supporting IT projects and activities, Associate's degree and 5+ years of experience supporting IT projects and activities, Bachelor's degree and 3+ years of experience supporting IT projects and activities, or Master's degree and 1+ years of experience supporting IT projects and activities.