Information Systems Security Engineer (All Levels) AdapticInformation Systems Security Engineer (All Levels)Annapolis Junction, MDWhether you're early in your career or leading security engineering efforts, we're looking for Information Systems Security Engineers at all levels who understand how to balance security, performance, and mission needs. Supporting the DoD and Intelligence Community, you'll help ensure systems are resilient, compliant, and built to withstand evolving threats.
NewSenior Mission Engineer Nou Systems IncSenior Mission EngineerFort Belvoir, VAWe are pleased to announce the opening for a Senior Mission Engineer, who will join our Engineering Services Division in Alexandria, VA and become part of our rapidly growing technology company operating in mission engineering, missile defense, cybersecurity, test range modernization, biotechnology, and space control marketspaces. This includes development of models for scenarios, missions, and systems; post-processing data to include extraction, transformation, statistical analysis, and visualization of simulation outputs; and debugging simulation models and resolving software, scripting, or logic errors within model implementations.
Cybersecurity Systems Engineer LeidosCybersecurity Systems EngineerLinthicum Heights, MarylandFebruary 26, 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. 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.
Senior Associate, Building Systems Engineer HITT ContractingSenior Associate, Building Systems EngineerFalls Church, VirginiaAs a critical member of our Facilities Team, the Building Systems Engineer, Senior Associate is responsible for the operation, maintenance, and repair of Net Zero building systems, including mechanical, electrical, plumbing, life safety, and building automation systems. Conducts routine building walk-throughs to assess system performance, document equipment condition, identify energy inefficiencies, and report deficiencies requiring corrective action that could impact energy use or NZE performance targets.
Senior Systems Engineer – Advanced Reentry Johns Hopkins Applied Physics LaboratorySenior Systems Engineer – Advanced ReentryLaurel, MarylandFull timeAPL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development. Provide systems engineering expertise and leadership to assess weapon system capabilities and support/lead the development of next generation reentry systems, hypersonic systems, and enabling technologies.
NewPrincipal Systems Engineer, Digital Engineering Solutions Modern Government SolutionsPrincipal Systems Engineer, Digital Engineering SolutionsSterling, VAFull timeTITLE: Principal Systems Engineer, Digital Engineering SolutionsLOCATION: Sterling, VA (Relocation assistance considered)CLEARANCE REQUIRED: Active TS/SCI with CI PolyEMPLOYMENT TYPE: Part-Time / As Needed, Onsite POSITION SUMMARYModern Government Solutions (MGS) is seeking a Principal Systems Engineer, Digital Engineering Solutions to lead the architecture, deployment, and sustainment of enterprise engineering platform environments in support of national security missions. Bachelor's degree in Systems Engineering, Computer Science, Computer Engineering, Software Engineering, Information Technology, Electrical Engineering, Mathematics, Physics, or a related field.16+ years of experience architecting, deploying, and sustaining enterprise engineering platforms and IT infrastructure within cloud-hosted environments.
NewSr. Systems Engineer, Platform/Infrastructure Modern Government SolutionsSr. Systems Engineer, Platform/InfrastructureSterling, VAFull timeExperience supporting relational and non-relational databases including PostgreSQL, MySQL, and MongoDB.Experience supporting IdAM technologies including Active Directory, SAML, OpenLDAP, OAuth 2.0, and OIDC.Experience with DevOps tooling including Ansible, Terraform, Jenkins, and GitLab. Administer relational and non-relational databases including PostgreSQL, MySQL, and MongoDB.Support Identity and Access Management (IdAM) solutions including Active Directory, SAML, OpenLDAP, OAuth 2.0, and OIDC.Implement and maintain DevOps automation using Ansible, Terraform, Jenkins, and GitLab.
NewSenior Systems Engineer (IBM ELM) - TS/SCI w CI Poly Modern Government SolutionsSenior Systems Engineer (IBM ELM) - TS/SCI w CI PolySterling, VAFull timeBachelor's degree in Systems Engineering, Computer Science, Computer Engineering, Software Engineering, Information Technology, Electrical Engineering, Mathematics, Physics, or a related field.10+ years of experience supporting enterprise systems and engineering environments.10+ years of experience configuring, deploying, and maintaining enterprise engineering applications using Automation as Code (AaC) and CI/CD pipelines within cloud-based environments. Experience supporting enterprise infrastructure, including relational and non-relational databases, Identity and Access Management (IDAM), and authentication technologies such as Active Directory, SAML, OAuth 2.0, OpenLDAP, and OIDC.Experience implementing DevSecOps and infrastructure automation solutions utilizing GitLab, Jenkins, Terraform, Ansible, or similar tools, with strong troubleshooting, testing, documentation, and communication skills.
NewSr. Systems Engineer (Citrix) - TS/SCI w CI Polygraph Modern Government SolutionsSr. Systems Engineer (Citrix) - TS/SCI w CI PolygraphSterling, VAFull timeExperience may be acceptable in lieu of a degree.10+ years of experience deploying and maintaining platform infrastructure and COTS applications in cloud-based environments.5+ years of hands-on experience with Citrix Virtual Apps and Desktops, including expert knowledge of Citrix architecture, components, and deployment methodologies. Implement and manage Citrix Provisioning Services (PVS) or Machine Creation Services (MCS) for desktop image management; manage Virtual Delivery Agents (VDAs), hypervisors, and storage systems.
NewPrincipal Systems Engineer (API Gateway) - TS/SCI w CI Poly Modern Government SolutionsPrincipal Systems Engineer (API Gateway) - TS/SCI w CI PolySterling, VAFull timeBachelor's degree in Systems Engineering, Computer Science, Computer Engineering, Software Engineering, Information Technology, Electrical Engineering, Mathematics, Physics, or a related field.16+ years of experience designing, integrating, and supporting enterprise systems, cloud architectures, and API-driven solutions within complex mission environments.5+ years of experience implementing and administering API gateway technologies in cloud-based architectures; Experience designing secure APIs and enterprise integration solutions utilizing REST, GraphQL, event-driven architectures, message queues, streaming platforms, or ETL pipelines. TITLE: Principal Systems Engineer (API Gateway)LOCATION: Sterling, VA (Relocation assistance considered)CLEARANCE REQUIRED: Active TS/SCI with CI PolyEMPLOYMENT TYPE: Full-time, Onsite POSITION SUMMARYModern Government Solutions (MGS) is seeking a Principal Systems Engineer to architect, integrate, and secure mission-critical API ecosystems supporting next-generation national security capabilities.
Linux Systems Engineer WCBincLinux Systems EngineerSpringfield, VirginiaOur work depends on a TS/SCI cleared Linux Systems Engineer joining our team to support our customer in Springfield, VA and help ensure today is safe and tomorrow is smarter. Oversee complex infrastructure including installing, configuring, testing, and maintaining operating systems, application software, and system management tools.
Decision Systems Engineer Johns Hopkins Applied Physics LaboratoryDecision Systems EngineerLaurel, MarylandFull timeYou will serve on a highly motivated multi-disciplinary team that: develops and evaluates new capabilities; figures out how to implement those capabilities in new or existing systems; uses models and simulations to evaluate different options; translates selected concepts into specific functional and performance requirements; and presents results in technical meetings and program reviews with government, contractor, and research laboratory participants. Your primary responsibility will be to contribute to systems engineering activities on sophisticated air, missile, and multi-domain defense programs, in the context of a focused digital engineering development process.
Senior Systems Engineer Supernus PharmaceuticalsSenior Systems EngineerRockville, MarylandPosition may require prolonged sitting, standing, walking, reaching, twisting, turning, kneeling, and bending; the ability to push, pull, drag, and/or lift to 25 pounds; normal manual dexterity and hand/eye coordination; repetitive hand movement using a computer keyboard and mouse. This role serves as a technical leader to a team of system administrators, collaborate with cross-functional teams, and play a critical role in shaping Supernus’s technology strategy.
Senior Automation Systems Engineer, NA Vantage Data CentersSenior Automation Systems Engineer, NASterling, VADeveloping and operating across North America, EMEA and Asia Pacific, Vantage has evolved data center design in innovative ways to deliver dramatic gains in reliability, efficiency and sustainability in flexible environments that can scale as quickly as the market demands. While performing the duties of this job, the employee is occasionally required to stand; walk; sit; use hands to handle, or feel objects; reach with hands and arms; climb stairs; balance; stoop or kneel; talk and hear.
Control Systems Engineer LeidosControl Systems EngineerSpringfield, Virginia$73,450–$132,775 / yearMay 1, 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. 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.
Senior Systems Engineer (NSA) Tenth MountainSenior Systems Engineer (NSA)MarylandManage system requirements and derived requirements to ensure the delivery of production systems that are compatible with the defined system architecture(s) – Department of Defense Architecture Framework (DoDAF), Service-oriented Architecture (SOA), etc. Qualifications: Bachelor’s or Masters in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or a related discipline from an accredited college or university is required.
NewSystems Engineer Accenture Federal ServicesSystems EngineerFort Belvoir, 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: $137,900—$175,100 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 .
Systems Engineer ( Expert Level ) Job ID : 2/2/24 CEdgeSystems Engineer ( Expert Level ) Job ID : 2/2/24Springfield, VirginiaThis role applies to a multi-disciplinary approach to the development, integration, and sustainment of space-based capabilities within Controlled Access Programs (CAPs) and Special Access Programs (SAPs) across the National System for Geospatial Intelligence (NSG) and the Department of Defense/Intelligence Community (DoD/IC). The engineer will engage in activities including requirements engineering, solutions development, systems reliability and resiliency, services deployment, research and development (R&D), systems integration, test and evaluation (T&E), and maintainability analysis.
Data Conditioning Systems Engineer CymertekData Conditioning Systems EngineerReston, VirginiaData Engineer, Data Integration Engineer, Data Quality Engineer, Data Pipeline Engineer, Systems Data Engineer, Data Architect, Data Scientist, Data Processing Engineer, ETL Engineer, Data Transformation Specialist, ect. Computer Science, Data Engineering, Information Systems, Electrical Engineering, Software Engineering, Applied Mathematics, Statistics, Information Technology, Data Analytics, Operations Research, ect.
NewLead Systems Engineer Leidos Holdings IncLead Systems EngineerGaithersburg, MD$87,100–$157,450 / yearPrimary Responsibilities: Develop low-level infrastructure designs from approved architectural concepts, including rack elevation drawings, wiring lists, port/patch-panel assignments, cable schedules, and bills of material. Preferred Qualifications: Experience with AI-assisted engineering workflows and tool-building (e.g., Claude Code, Copilot, custom automation leveraging large language models for documentation generation, validation, or data extraction).