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.
Lead Systems Engineer LeidosLead Systems EngineerWashington, DC$107,900–$195,050If 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 22, 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.
NewSr Network Engineer - onsite and travel required in DMV area csznetSr Network Engineer - onsite and travel required in DMV areaWashington, DCContractorFull timeUnderstanding network infrastructure and protocols (proprietary, IMS, and IP), latest LAN/WAN/ISP protocols (MPLS, BGP, SIP), Understanding the latest LAN/WAN/ISP protocols (MPLS, BGP, SIP), latest-generation routers, telecommunications switches. WMATA is looking for a Network Engineer responsible for the design, governance, and continuous evolution of WMATA's enterprise network architecture across LAN, WAN, SD-WAN, wireless, firewall, load-balancing, and network security domains.
NewCybersecurity and Network Administrator Carnegie Endowment for International PeaceCybersecurity and Network AdministratorWashington, DC$82,500–$100,000 / yearFull timeCybersecurity and Network Administrator IT Department The Carnegie Endowment for International Peace, a global network of policy research centers, is seeking a full-time Cybersecurity and Network Administrator (CNA) to manage and secure its technology infrastructure and equip staff with cybersecurity best practices. Experience with any of the following systems is preferred: CrowdStrike, Rapid7 (SIEM and vulnerability management), Avanan Checkpoint, KnowBe4, Cisco Secure Access, and Azure's tools such as Defender (Advanced Threat Protection), Security Center, and Purview.
IT Network Administrator Expert In Recruitment SolutionsIT Network AdministratorWashington, DCYou will be responsible for the proactive monitoring, troubleshooting, and resolution of issues impacting a large-scale LAN/WAN architecture across over 100 county wide sites, including core IP networking, virtualization platforms, hybrid cloud environments (AWS, Azure, GCP), and SaaS integrations. o Configure and support LAN/WAN connectivity for user devices (PCs, VOIP phones, printers, IoT, card readers, body-worn cameras) Troubleshoot and maintain DHCP reservations, DNS configurations, firewall rules, ACLs, and VLAN assignments.
Junior Network Administrator Terrestris Global SolutionsJunior Network AdministratorWashington, DCRemoteThis project will provide IT service desk, systems, network, and security operations support for Federal Prison Industries (UNICOR), supporting end users, Microsoft infrastructure, and mission-critical business systems in hybrid work environments. The Junior Network Administrator ensures that all computers and other devices connected to networks, including routers, hubs and switches, are operating correctly.
Junior Network Administrator (Remote) Terrestris Global SolutionsJunior Network Administrator (Remote)Washington, DCRemoteThis project will provide IT service desk, systems, network, and security operations support for Federal Prison Industries (UNICOR), supporting end users, Microsoft infrastructure, and mission-critical business systems in hybrid work environments. The Junior Network Administrator ensures that all computers and other devices connected to networks, including routers, hubs and switches, are operating correctly.
NewJunior Network Administrator Dynamic Solutions Technology LLCJunior Network AdministratorWashington, DCFull timeDynamic Solutions Technology, LLC (DST), a premier strategic services firm that meets IT and Service needs for commercial and government clients, is seeking a full-time Junior Network Administrator to provide support to a Federal Government customer in the Washington DC, location. Be able to exercise a high degree of discretion when evaluating client's operating systems, hardware configuration, firewalls, security, and network infrastructure.
Network Administrator Terrestris Global SolutionsNetwork AdministratorWashington, DCRemoteThis project will provide IT service desk, systems, network, and security operations support for Federal Prison Industries (UNICOR), supporting end users, Microsoft infrastructure, and mission-critical business systems in hybrid work environments. Rooted in the USMC values of honor, courage, and commitment, Terrestris seeks to deliver extraordinary value to the American people by helping the Government become more efficient and effective.
Network Administrator (Remote) Terrestris Global SolutionsNetwork Administrator (Remote)Washington, DCRemoteThis project will provide IT service desk, systems, network, and security operations support for Federal Prison Industries (UNICOR), supporting end users, Microsoft infrastructure, and mission-critical business systems in hybrid work environments. Rooted in the USMC values of honor, courage, and commitment, Terrestris seeks to deliver extraordinary value to the American people by helping the Government become more efficient and effective.
Systems & Network Administrator Expert In Recruitment SolutionsSystems & Network AdministratorWashington, DCNetworking - troubleshooting routers, firewalls, VLANS, VPNs and protocols. o Microsoft Azure Administrator Associate or Azure Solutions Architect Expert.
Part-time/Weekend Network Administrator 6599 Metrostar SystemsPart-time/Weekend Network Administrator 6599Washington, DC$62–$69 / hourAs a Part Time/ Weekend Network Administrator, you'll support all areas of secure network technologies in a dynamic operational IT environment within the Department of state, including maintenance, provisioning, and deployment functions. You will also play a critical role in troubleshooting network issues, analyzing performance data, and implementing improvements to enhance efficiency.
NewNetwork Administrator PeratonNetwork AdministratorWashington, D.C.$104,000–$166,000 / yearFull timeResponsibilities: As a Tier 2 Network Administrator, you'll be challenged with enterprise support problems where you will coordinate with the Network Operations Center and other Operational staff to address break fix, configuration update, schedule add moves and changes and technology upgrades and installs for Network routers and switches. A Bachelor's degree with 5+ years of experience OR a Master's degree with 3+ years of experience OR a PhD with 1+ years of experience; an additional 4 years of experience maybe considered in lieu of a degree requirement.
NewSenior Network Administrator - TS/SCI with Polygraph GD Information TechnologySenior Network Administrator - TS/SCI with PolygraphWashingtonTo 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. Certifications: DoD Manual 8570.01-M at the Information Assurance Technical (lAT) Level II role & Cisco Certified Network Associate (CCNA) minimum requirement; Cisco Certified Network Professional (CCNP) preferred.
NewSenior Network Administrator - TS/SCI with Polygraph General Dynamics Information TechnologySenior Network Administrator - TS/SCI with PolygraphWashingtonTo 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. Certifications: DoD Manual 8570.01-M at the Information Assurance Technical (lAT) Level II role & Cisco Certified Network Associate (CCNA) minimum requirement; Cisco Certified Network Professional (CCNP) preferred.
Network Administrator - Sigonella, Italy SercoNetwork Administrator - Sigonella, ItalyWashington, DCSupport the development, design, configuration/setup, test, maintenance, and upgrade of Wide Area Networks (WAN), Local Area Networks (LAN), Network Attached Storage (NAS) or Storage Area Networks (SAN), Site to Site Virtual Private Networks (S2S VPN) and/or remote to site VPN, network monitoring solutions using Simple Network Management Protocol (SNMP) poll, SNMP traps or other protocols used for network monitoring. Eligible employees also gain access to a wide range of benefits from comprehensive health coverage and health savings accounts to retirement plans, life and disability insurance, and time-off programs that support work-life balance.
Network & Systems Administrator / Tier III Cherry BekaertNetwork & Systems Administrator / Tier IIIDistrict of Columbia$45–$50 / hourThe ideal candidate will have strong experience in Microsoft 365 administration, hybrid Active Directory environments, and PowerShell scripting , with the ability to manage and automate large-scale system changes. This role bridges advanced end-user support and systems administration , requiring a hands-on professional who can operate across both infrastructure and user-facing responsibilities.
NewNetwork Administrator Peraton IncNetwork AdministratorWashington, DC$104,000–$166,000 / yearAs a Tier 2 Network Administrator, you''ll be challenged with enterprise support problems where you will coordinate with the Network Operations Center and other Operational staff to address break fix, configuration update, schedule add moves and changes and technology upgrades and installs for Network routers and switches. A Bachelor''s degree with 5+ years of experience OR a Master''s degree with 3+ years of experience OR a PhD with 1+ years of experience; an additional 4 years of experience maybe considered in lieu of a degree requirement.
Network/System Administrator III (TS, w/SCI Eligibility) - RedTrace Technologies IncNetwork/System Administrator III (TS, w/SCI Eligibility) -Joint Base Anacostia-Bolling (JBAB), DCFull timeThe primary function will be to organize, install, and support government organization’s computer systems, including local area networks (LANs), wide area networks (WANs), network segments, intranets, and other data communication systems. This position will support activities within Special Access Programs (SAPs) supporting Department of Defense (DoD) agencies, such as HQ Air Force, Office of the Secretary of Defense (OSD) and Military Compartments efforts.
Network System Administrator Amentum Services IncNetwork System AdministratorWashington, DC$120,000–$150,000 / yearNetworking: Expert knowledge of network protocols (TCP/IP, DNS, VLANs, VPNs), LAN/WAN management, routing, switching, and hands-on experience with hardware firewalls and VPNs. The ideal candidate will possess a strong primary background in network administration and engineering, coupled with robust systems administration experience across Windows, Linux, and Proxmox virtualization platforms.