NewSenior Network Administrator Chaos IncSenior Network AdministratorWashington, DC$120,000–$180,000 / yearThis is a hands-on technical role at the core of our IT and security operations; you''ll build, configure, and maintain routers, switches, firewalls, and wireless infrastructure, monitor network performance and availability, troubleshoot connectivity issues, and ensure our network remains resilient, secure, and mission-ready. Manage network security controls including firewall rule sets, VPN configurations, access control lists, and network-layer inspection (proxy, SSL inspection, mail gateway) in coordination with cybersecurity teams.
NewNetwork Administrator, 3rd Shift Tetrad Digital Integrity LLCNetwork Administrator, 3rd ShiftArlington, VAThis program is establishing a modern secure web service (SWS) operation as part of a state-of-the-art, highly automated platform capable of supporting a rapidly expanding customer population. Tetrad Digital Integrity (TDI) is a leading-edge cybersecurity firm with a mission to safeguard and protect our customers from increasing threats and vulnerabilities in this digital age.
Network Operations Center Tier II Systems Administrator Booz Allen HamiltonNetwork Operations Center Tier II Systems AdministratorColumbia, MarylandWe’re looking for a systems administrator who specializes in Red Hat Enterprise Linux to help us build and maintain tailored virtual infrastructure supporting global missions focused on seeking out and eliminating cyberspace threats to defend the United States and its allies. Onsite : 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.
Senior Network and Computer Systems Administrator DecisionPoint | CortekSenior Network and Computer Systems AdministratorArlington, VirginiaFull timeOverview: DecisionPoint Corporation is seeking an experienced Senior Network and Computer Systems Administrator to support the Department of Homeland Security (DHS), Cybersecurity and Infrastructure Security Agency (CISA), Critical Infrastructure Information Sharing Environment (CI-ISE ) and Homeland Security Information Network-Critical Infrastructure (HSIN-CI) Program Support Services. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor's legal duty to furnish information.
Senior System/Network Administrator – Systems Integration LeidosSenior System/Network Administrator – Systems IntegrationLaurel, MarylandYou will administer Linux, UNIX, and Windows environments; build and maintain virtual and storage environments; configure network components; resolve complex technical problems; and support reliable day-to-day infrastructure operations. August 24, 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.
Enterprise - Senior System Administrator - Linux, Networking, Automation Erias VenturesEnterprise - Senior System Administrator - Linux, Networking, AutomationMarylandWe are seeking engineers who wish to grow their careers and want to become part of a technically strong and growth-oriented company focused on bringing innovative solutions to the difficult mission problems facing our customers. Our staff includes technical experts working across multiple disciplines, bringing diverse perspectives to every project.
Desktop Support Administrator Itero GroupDesktop Support AdministratorWashingtonDuties consist of managing the allocation, workflow, and resolution of all Service Now service request tickets submitted by customers and pertaining to ClassNet and OpenNet workstations & laptops, operating system support, applications and software, monitors, network printers, digital senders, and other peripheral devices within the organization. We empower clients in the private and government sectors to become more optimized, digitally enabled, and data-driven organizations through our comprehensive business consulting and innovative delivery solutions.
Systems Administrator LeidosSystems AdministratorReston, VirginiaCandidate must also be able to develops solutions to complex technical issues and problems that impact multiple area or disciplines and regularly employ ingenuity and creativity to develop new technical solutions and systems in order to achieve functional objectives. August 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.
Database Administrator TS/SCI Poly LeidosDatabase Administrator TS/SCI PolyAnnapolis Junction, MarylandThe selected individual will assess, audit, analyze, validate, and report database Security Requirements Guide (SRG) and STIG vulnerabilities while ensuring security controls are implemented in accordance with DoD, DISA, and cybersecurity policies and procedures. August 25, 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.
Systems Administrator Accenture Federal ServicesSystems AdministratorAnnapolis Junction, MDThe 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: $111,900—$141,300 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 .
System Administrator Terrestris Global SolutionsSystem 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. You will: Perform all duties assigned to Level I Technicians, including user workstation support for desktops, laptops, 10Zig zero clients, and mobile thin clients.
Systems Administrator Advisor, Shift 2 PeratonSystems Administrator Advisor, Shift 2Herndon, Virginia$86,000–$138,000 / yearFull timeResponsibilities: Peraton is seeking an entry level Systems Administrator (Shift 2) to join our national intelligence program that delivers engineering, application development, deployment, operations, upgrades and sustainment of products and services to achieve our client’s global missions. Install, troubleshoot, service, and repair personal computers, network equipment such as servers, modems, multiplexers, related PC software, telephones, cables, and connectors as assigned.
Cloud and Infrastructure Systems Administrator Ampcus IncorporatedCloud and Infrastructure Systems AdministratorWashington, DC$60–$70 / hourAI for Operations (AIOps): Utilize AI-powered monitoring and log analysis platforms such as Splunk and Azure Monitor to proactively detect system anomalies, predict potential failures, and automate incident response. System Intelligence and Machine Learning: Collaborate with data science teams to integrate intelligent agents and machine learning models for infrastructure optimization, capacity planning, and automated resource allocation.
System Administrator West 4th StrategySystem AdministratorBethesda, MDFull timeIn this role, you will keep NDC's server and datacenter infrastructure mission-ready, sustaining system availability, resolving network and hardware failures, enforcing Government-approved security configurations, and managing the full lifecycle of IT systems and equipment in a regulated, no-fail environment. NDC serves as the Navy's ionizing radiation dosimetry center of excellence, providing naval commands worldwide with radiation dosimetry processing, consultation services, and comprehensive exposure recordkeeping in support of force health protection and regulatory compliance.
Senior HPC System Administrator BytoaSenior HPC System AdministratorColumbia, MarylandYou must have experience with the installation, configuration, tuning, troubleshooting and administration of: Multi-vendor servers running numerous COTS, open source, and in-house applications to accommodate HPC Division IT support requirements. You should have a deep understanding of operating systems and experience with user account management, software package management, configuration management, and managing / verifying the health and status of IT infrastructure.
Junior Server Administrator Strategic Growth PartnersJunior Server AdministratorWashington D.C., District of ColumbiaExperience Needed: Azure Cloud computing, Linux Environments (Red Hat / CentOS), Windows Environments, VMware Environments, Network Security, Mobile Applications (iOS / Android), Mobile Device Management, Integrated and tactical Radio Networks, Geospatial / Mapping caching servers. Manage and maintain all patches to ensure Security Compliance Provide technical support for application, appliance, device support and/or troubleshooting of the platform, third party applications associated to the platform and end user devices/appliances.
Systems Administrators - multiple levels - FULLY CLEARED with POLYGRAPH REQUIRED Constellation TechnologiesSystems Administrators - multiple levels - FULLY CLEARED with POLYGRAPH REQUIREDAnnapolis Junction, Maryland$85,000–$240,000 / yearThis position is open to multiple levels of years of experience; two (02) years within the last five (05) years must be directly related to Systems Administration: o Level 04 requires a minimum fifteen (15) years of experience o Level 03 requires a minimum twelve (12) years of experience o Level 02 requires a minimum nine (09) years of experience o Level 01 requires a minimum six (06) years of experience Minimum of High School Diploma. The benefits package: • Affordable healthcare options with 80% employer paid premium PLUS a company-funded HSA • Dental insurance with 100% employer paid premium • Vision with 80% employer paid premium • Employer paid Life insurance 100% • Employer paid Short-term and Long-term disability 100% • Annual training, continued education, and professional memberships reimbursement • Unlimited access to Red Hat Enterprise Linux, AWS, and NetApp training and accreditation • Annual reimbursement for technology i.e. phones, computers, printers, etc.
Team Lead- Network Operations - Tier 2 CACI International Inc.Team Lead- Network Operations - Tier 2Washington, DC$86,600–$181,800 / yearResponsibilities: As a Team Lead of our Tier 2 Network Operations technicians, 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. Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.
NewNetwork Operations- Tier 2 CACI International Inc.Network Operations- Tier 2Washington, DC$86,600–$181,800 / yearResponsibilities: As a Tier 2 Network Operations technician, 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. Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.