Active Directory Architect / Engineer LeidosActive Directory Architect / EngineerArlington, VA$131,300–$237,350Design, deploy, upgrade, and administer Active Directory Domain Services, including domain controllers, forests, domains, trusts, and replication topologies (i.e. Manage and optimize Group Policy Objects (GPOs), OU structures, and security baselines; including object management through bulk operations and automation, Troubleshoot and resolve complex AD-related issues, including authentication failures, replication problems, DNS issues, and Kerberos/NTLM problems, Plan and execute Active Directory migrations, consolidations, and upgrades (of both underlying server infrastructure and overall forest/domain functional levels), Develop and maintain disaster recovery, backup, and restore procedures for AD environments (including AD Recycle Bin and authoritative restores), Monitor AD health and performance using tools such as Microsoft System Center, Azure Monitor, or third-party solutions). Deep expertise in designing, deploying, upgrading, and administering Microsoft Active Directory Domain Services (AD DS), including domain controllers, multi-domain/forest architectures, trusts, replication topologies, Group Policy Objects (GPOs), OU design, and security baselines.
NewMechanical Engineer Antenna Research Associates IncMechanical EngineerLaurel, MDARA is a leading C5ISR company that designs, manufactures, tests and installs innovative technologies that provide the national security community with unparalleled situational awareness, threat detection, and communications capabilities.\r\nOur disruptive, integrated solutions, assemblies and subsystems rise to the challenging demands of discerning, mission-critical customers.\r\nWe leverage our capabilities to meet and exceed the requirements of our customers and empower them to remain ahead of evolving threats and complexities in a dynamic security landscape. \nCompany Description ARA is a leading C5ISR company that designs, manufactures, tests and installs innovative technologies that provide the national security community with unparalleled situational awareness, threat detection, and communications capabilities.
Senior DevOps Engineer LeidosSenior DevOps EngineerBurke, VA$107,900–$195,050p>The Leidos Spatial Solutions Division has an exciting opportunity for a senior DevOps Engineer to assist with the development, integration, deployment, and sustainment of mission critical systems that enable NGA's Geospatial Intelligence (GEOINT) mission collecting sciences, technology and tradecraft measuring and modeling the Globe to provide three-dimensional accuracy of every point in, on, or above the Earth. June 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.
Solution Architect / Engineer LeidosSolution Architect / EngineerCheltenham, MD$131,300–$237,350This role combines high level architectural design with deep technical implementation, requiring an individual who can define target-state architectures, build and optimize solutions, and guide modernization across hybrid and multi cloud environments. Proven hands-on experience designing and implementing solutions across hybrid/multi-cloud environments (AWS and Azure strongly preferred), on-premises data centers, virtualization platforms, and containerized workloads (e.g., Kubernetes/Docker).
Cloud Architect / Engineer LeidosCloud Architect / EngineerWashington, DC$131,300–$237,350Proven expertise with Generative AI infrastructure, including: Production-ready Retrieval-Augmented Generation (RAG) pipelines, Scalable vector databases (e.g., Pinecone, Weaviate, Milvus, FAISS, or managed services) with indexing, clustering, and optimized retrieval, GPU/TPU compute clusters, managed container orchestration (Kubernetes/EKS/AKS/GKE), and auto-scaling for large language model (LLM) workloads. Demonstrated experience implementing enterprise security and compliance frameworks (SOC 2, ISO 27001, HIPAA, PCI-DSS, CMMC, FedRAMP, etc.), including encryption, threat monitoring, and zero-trust architectures.
Cloud Engineer LeidosCloud EngineerArlington, VA$87,100–$157,450If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. June 25, 2026For 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.
NewFacility Maintenance Engineer II TOLIN FACILITY SERVICESFacility Maintenance Engineer IIAlexandria, VAMaintaining, monitoring, and performing preventive maintenance and continuous operation of all building systems including: • Mechanical (HVAC, plumbing, controls) electrical (lighting, generators, primary switch gear), and hot water systems; monitors operation, adjusts, and maintains refrigeration, chilled water, and air conditioning equipment; boilers, hot water heaters; pumps, valves, piping and filters; other mechanical and electrical equipment; record readings and make adjustments where necessary to ensure proper operation of equipment. Tolin was originally established in 1948 in Denver, Colorado and including Denver also has 3 other offices in Colorado [Fort Collins, Colorado Springs, Silverthorne], 2 offices in Arizona [Phoenix, Tucson] and an office in the Mid-Atlantic region.
NewHardware Engineer JobotHardware EngineerGaithersburg, MD$120,000–$140,000 / yearWith deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.
Systems Engineer– Top Secret/SCI | Quantico, VA Cambridge International Systems IncSystems Engineer– Top Secret/SCI | Quantico, VAQuantico, VAFull timeRequired Qualifications: Education & Experience: Bachelors ‘s degree in Information Technology, Computer Science, Systems Engineering, or related field with 5+ years of relevant experience required; 7 + years may be substituted in lieu of a degree. Design & Implementation Design and deploy virtual infrastructure solutions—including clusters, shared storage, networking, and lifecycle management—following best practices for performance and security.
Satellite / SATCOM / 5G cellular / VHF Systems Engineer - Active Top Secret Required General Dynamics Information TechnologySatellite / SATCOM / 5G cellular / VHF Systems Engineer - Active Top Secret RequiredWashingtonConduct routine and emergency maintenance and repair actions on: Wideband Satellite Communications (SATCOM) equipment, Voice Over Internet Protocol (VOIP) endpoints, Ultra-high Frequency/Super-high Frequency/Very-high Frequency/High Frequency (UHF/SHF/VHF/HF) radio platforms, desktop and laptop computer terminals, fiber optic media converters and repeaters, and data equipment to include server hardware, keyboard video and mouse (KVM) terminals, routers, switches, and fiber distribution panels. Seize your opportunity to make a personal impact as a Systems Engineer supporting a world class maintenance program servicing a wide variety of data and voice communications equipment for our prestigious client at the highest levels of the federal government in the heart of our nation’s capital.
Software Systems Engineer Virtual Technologies GroupSoftware Systems EngineerFort Meade, MDFull timeFurthermore, this role provides overall operating-system maintenance (including sophisticated file maintenance routines, managing large telecommunications networks, computer accounting, and advanced mathematical/scientific software packages), assists in all phases of systems programming, and evaluates new and existing software products. The Software Systems Engineer formulates and defines specifications for complex operating software programming applications and modifies or maintains complex existing applications using engineering releases and manufacturer utilities.
Systems Engineer (SE2/SE3) – HAIPE & Secure Networks WILLCORSystems Engineer (SE2/SE3) – HAIPE & Secure NetworksAnnapolis Junction, MarylandWe are seeking a Systems Engineer (SE2/SE3) with direct experience supporting High Assurance Internet Protocol Encryptor (HAIPE) devices and secure DoD network environments. This role involves engineering support across the full system lifecycle, including architecture, integration, testing, and certification activities.
Endpoint Management Systems Engineer - TS/SCI with Polygraph General Dynamics Information TechnologyEndpoint Management Systems Engineer - TS/SCI with PolygraphAnnapolis Junction, MarylandAs an Endpoint Management Systems Engineer, you will support our defense intelligence mission customer’s enterprise by engineering, deploying, securing, and maintaining platforms that deliver operating systems, applications, and configurations to thousands of devices. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available.
Lead Systems Engineer – AWS Cloud General Dynamics Information TechnologyLead Systems Engineer – AWS CloudFairfax, VirginiaTranslates operational requirements into system-level designs and testable requirements; develops and maintains core SE artifacts (requirements, traceability, specifications, diagrams, test plans, baselines); leads integration and system-level testing across applications, data, infrastructure, and security; and drives transition to operations. Design, build, and maintain CI/CD pipelines (e.g., AWS CodePipeline/CodeBuild, Jenkins, GitLab CI, GitHub Actions, Azure DevOps) with integrated security scanning, compliance checks, approvals, and testing.
Linux Systems Engineer - TS/SCI with Polygraph General Dynamics Information TechnologyLinux Systems Engineer - TS/SCI with PolygraphChantilly, VirginiaRequired Technical Skills: Strong experience with Red Hat Enterprise Linux; experience with NFS, AD/LDAP integration, Web Servers, certificates, LVM, VMware, Linux security hardening, Red Hat Satellite Server, Cloud and/or Hybrid-Cloud deployments, configuring storage over Fiber Channel. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available.
Systems Engineer Multi Cloud CbSystems Engineer Multi CloudFt Belvoir, Virginia$190,000–$218,000 / yearThe selected candidate will collaborate with systems engineers, cybersecurity professionals, network engineers, and application teams to develop cloud architectures that align with DoD enterprise cloud strategies and Zero Trust objectives. This includes integration with SIEM/SOAR (Microsoft Sentinel and Defender XDR), enabling Zero Trust policy and governance across the multi-cloud environment, and implementation of ZT architecture leveraging Microsoft and common DoD technologies.
Systems Engineer – VMware Horizon / VDI Infrastructure Staffed4USystems Engineer – VMware Horizon / VDI InfrastructureChantilly, VirginiaThis role supports technical risk assessment and mitigation activities across a broad range of enterprise technologies, including IT systems and networks, mobile and wireless networks, cloud-based computing, network management platforms, communication protocols, scripting and programming products, configuration scripts, and IT hardware and software products. The Systems Engineer will be responsible for designing, deploying, and optimizing a secure, scalable, high-performance VMware Horizon-based Virtual Desktop Infrastructure (VDI) environment using vSphere and Cisco HyperFlex .
Systems Engineer Tiger Resourcing GroupSystems EngineerAlexandria, VirginiaAs a main point of contact for the client, the Systems Engineer will continuously identify areas of improvement and contribute solutions and is responsible for computer application availability, hardware & software upgrades, troubleshooting, documentation, and user support. • Work jointly with Project Managers, Database Administrator(s), and Programmer/Analyst(s) to define needs and requirements for continued operation, upgrade, and security of clients’ systems.
NewSystems Engineer- Top Secret/Sci | Quantico, VA Cambridge International SystemsSystems Engineer- Top Secret/Sci | Quantico, VAQuantico, VA$77,000–$143,000 / yearRequired Qualifications: Education & Experience: Bachelors 's degree in Information Technology, Computer Science, Systems Engineering, or related field with 5+ years of relevant experience required; 7 + years may be substituted in lieu of a degree. Design and deploy virtual infrastructure solutions-including clusters, shared storage, networking, and lifecycle management-following best practices for performance and security.
NewSystems Engineer - Senior Ts/Sci Parsons Commercial Technology Group Inc.Systems Engineer - Senior Ts/SciSpringfield, VA$134,100–$241,400 / yearThe core focus of this role is ensuring that bespoke commercial applications and platforms can seamlessly integrate with DoW data architectures and systems, specifically targeting interoperability with DoW Command and Control (C2) situational awareness platforms across multiple network domains. Participate in architecture reviews, vendor capability demonstrations, and stakeholder engagements to validate project requirements and ensure commercial system designs meet tactical DoW client requirements and end-user mission needs afloat and ashore.