System Administrator (Application Engineer) Prodigy OneSystem Administrator (Application Engineer)MarylandThis includes: Stand up, configure, and maintain Linux servers; Monitoring and patching/upgrades to Linux servers and AWS instances; Assist and incorporate security compliance controls as applicable; Support documentation of non-applicable controls; Assist with installation of new or replacement hardware or software; Configure and integrate hardware or software with existing networked infrastructure; Assist with decommission and/or removal of obsolete, excess, or replaced hardware; and Document inventory changes. Education Requirements: Bachelor's Degree in a relevant technical field (w/o degree additional 2 yrs experience required; with Masters Degree 2 yrs less experience required).
Systems Administrator 1 - Linux Captivation SoftwareSystems Administrator 1 - LinuxAnnapolis Junction, MD$130,000–$270,000 / yearSecurity Clearance: Must currently hold a Top Secret/SCI U.S. Government security clearance with a favorable Polygraph, therefore all candidates must be a U.S. citizen. Captivation Software is looking for a mid level Linux Systems Administrator who will be assisting with daily responsibilities on the program.
Systems Administrator 2 - Linux Captivation SoftwareSystems Administrator 2 - LinuxAnnapolis JunctionCaptivation Software is looking for a mid level systems administrator who will be acting as a Linux administrator and assist with daily responsibilities on the program. Security Clearance: Must currently hold a Top Secret/SCI U.S. Government security clearance with a favorable Polygraph, therefore all candidates must be a U.S. citizen.
Junior Systems Administrator Absolute Business Solutions CorpJunior Systems AdministratorAlexandria, VA$70,000–$90,000 / yearThe Enterprise-Wide OSINT Knowledge Support (EWOKS) program supports the Defense Intelligence Agency (DIA) and the broader Defense Intelligence Enterprise by delivering cutting-edge capabilities that advance Open-Source Intelligence (OSINT). 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.
Systems Administrator 3 (On-Call) - Linux/Bash/Python/Ansible/SaltStack/Docker Captivation SoftwareSystems Administrator 3 (On-Call) - Linux/Bash/Python/Ansible/SaltStack/DockerAnnapolis JunctionCaptivation Software is looking for a senior level systems administrator who shall be responsible for providing support for a large-scale Linux system including installation of COTS/GOTS/FOSS software, day-to-day operations, monitoring, and problem resolution for all the compute, network, memory, and storage system components. In addition, the System Administrator shall maintain the system security integrity and configure network components, along with implementing operating systems enhancements to improve reliability and performance.
Platform Administrator Nightwing Intelligence SolutionsPlatform AdministratorSterling, Virginia$55,000–$106,000 / yearWorking on this team means directly supporting the nation's cybersecurity defenders by ensuring they have reliable, scalable, and secure cloud infrastructure available within hours of a cyber incident—helping protect America's digital infrastructure when it matters most. As part of the Engagement Support Services (ESS) contract, this program enables analysts to quickly access the tools and environments they need to investigate cyber threats affecting federal agencies, state and local governments, and critical infrastructure.
System Administrator, Level 2 Avalore, LLCSystem Administrator, Level 2Annapolis Junction, MDConfigures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance. Configure and manage UNIX and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance.
Network Engineer BDR Solutions LLCNetwork EngineerWashington, DC$75,000–$95,000 / yearCompensation decisions depend on a wide range of factors, including but not limited to skill sets, experience and training, security clearances, licensure and certifications, and other business and organizational needs. Support efforts of technicians who are involved in diagnosing and correcting system related failures and performing system management activities; determine logical solutions to complex system administration and application problems.
System Administrator, Level 3 Avalore, LLCSystem Administrator, Level 3Annapolis Junction, MDConfigures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance. Configure and manage UNIX and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance.
Database Administrator - Active Security Clearance CadreDatabase Administrator - Active Security ClearanceReston, VAFull timeDuties: This Database Administrator performs the following core functions:Perform server and storage capacity management and planning for the most complex and critical systemsRecommend and implement process and tool improvements to improve the efficiency and effectiveness of the organization's change management and configuration management processes and systemsPerform server performance tuningUtilize system software to monitor the performance of system files; manages system data to maintain performance efficienciesStudy system requirements to determine prop r server installation methods and proceduresProvide technical support in the evaluation of pi inie object names, data elements, and other objectsEnsure that proposed object definitions are clear, concise, technically correct, and that they represent singular conceptsAnswer users' inquiries regarding computer software and hardware operation to resolve problemsEnter commands and observe system functioning to verify correct operations and detect errorsInstall and perform minor repairs to hardware, software, and peripheral equipment, following design or installation specificationsConfer with management, users, and management to establish requirements for new systems or modificationsConduct computer diagnostics to investigate and resolve problems and to provide technical assistance and supportPlan and test capacity requirementsInspect equipment and read order sheets to prepare for delivery to usersPerforms other duties asassigned at the direction of Project management Required Qualifications:Active Top Secret clearance with the ability to obtain and maintain a TS/SCI with polyBachelor's degree preferred, in Computer Science, Information Systems, Engineering, Business, or a scientific or technical discipline related to the specific skill. Experience with OracleKnowledge of Oracle Administration, Oracle system maintenance on Windows environment Desired Qualifications:Active TS/SCI with poly with most recent BI/Polygraph dates within the last five yearsPast experience with older versions of Oracle, especially Oracle 11g Advanced Replication experienceExperience with Backup Exec in a virtual environment.
IT Administrator (Deskside Support Specialist) ExpressionIT Administrator (Deskside Support Specialist)Washington, DC$90,000–$104,000In this role, you will provide Tier II and Tier III IT support services, manage incident resolution, and ensure exceptional end-user experiences in a classified environment. Expression is seeking reliable and customer-focused Help Desk Specialists to support the Department of Commerce (DOC) under the National Telecommunications and Information Administration (NTIA) program.
Systems Administrator, Lead (Linux/Windows) AMERICAN SYSTEMSSystems Administrator, Lead (Linux/Windows)Arlington, VirginiaFull timeOverview: AMERICAN SYSTEMS , a 100% employee-owned federal contracting company, is seeking a Lead Systems Administrator with strong Linux CLI and Windows administration experience to support a Special Access Program in Arlington, VA. This role focuses on owning and optimizing enterprise Linux & Windows infrastructure across multiple datacenters, partnering with cybersecurity and engineering teams, and providing Tier III support for systems that cannot fail.
System Administrator (Level 2) Tenth MountainSystem Administrator (Level 2)MarylandThis role involves managing IT infrastructure and related processes, handling daily operations, monitoring system performance, and resolving technical issues across various IT components, including client/server systems, storage, network devices, and mobile devices. Additionally, the client provides 3 weeks of paid time off (PTO), 11 paid federal holidays, and 2 code red days (for weather or emergencies), totaling approximately 5-6 work weeks of paid time off.
LEAD IT SYSTEMS ENGINEER - PUB SEC Lumen Technologies IncLEAD IT SYSTEMS ENGINEER - PUB SECMaryland, MD$145,456–$193,940 / yearIPV4/IPv6 management protocols, Filter Based Forwarding (FBF) Multi-Hop Bidirectional Forwarding Detection (MBFD) Ethernet Operation, Firewalls including Access Control List (ACL), Operation Administration and Maintenance (OAM) Protocol and Network Management with 802.1Q and VRRP/HSRP Certificate Authority Server, ACE/SecureID Server, TACACS+, RADIUS, FTP/SFTP/TFTP, SSH, NTP, SNMP. Network Engineer, Network Administrator with expertise in Layer 2 and Layer 3 protocols and technologies: IS-IS, BGP/MP-BGP (multi AS) and MPLS routing protocols, Resource Reservation Protocol (RSVP), Label Distribution Protocol (LDP), MPLS Layer-2/Layer-3 Virtual Private Network (VPN), OSPF, Multicast, etc.
Systems Administrator-FT Belvoir StratAcuity Staffing Partners IncSystems Administrator-FT BelvoirFt. Belvoir, VA$70–$90 / hourIn terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts.
Virtualization Systems Administrator - TS/SCI w/Poly GD Information TechnologyVirtualization Systems Administrator - TS/SCI w/PolyAnnapolis Junction, MarylandTo 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. As a Virtualization Systems Administrator supporting Infrastructure Services, you will be responsible for the operation, sustainment, and security of enterprise virtual server environments across multiple networks and enclaves.
NewFish and Wildlife Administrator U.S. Department of the InteriorFish and Wildlife AdministratorWashington, DC$125,776–$163,514 / yearLand Management Workforce Flexibility Act (LMWFA): If you are applying under LMWFA, you must submit ALL Appointment AND Termination SF-50s for EACH appointment verifying the Position Occupied code 1-Competitive Service (block 34); AND Documentation of satisfactory performance for each period of temporary employment claimed, such as, performance evaluations, memorandum of record, whereas the supervisor(s) documented an acceptable performance level for a specified rating/employment period. The following documents are required and must be submitted by 11:59 PM (ET) -09/15/2026-unless otherwise stated in this vacancy announcement: Resume which includes a list of all significant jobs held and duties performed, with dates in month-year format (include month/day/year format if needed for 52 weeks of experience), and indicate hours worked per week (or full-time).
Associate System Administrator Mitre CorpAssociate System AdministratorMcLean, VA$79,200–$99,000 / yearWorking alongside senior system administrators, lab users, and technical teams, the Associate System Administrator will help deploy, configure, patch, monitor, troubleshoot, and sustain Windows and Linux systems, virtual machines, user access, hardware, and supporting lab infrastructure. Its role is to make MITRE's AI and mission platform investments practical for mission work: giving staff usable paths to approved tools, workflows, reusable patterns, data integrations, development environments, hands-on experimentation, and high-touch technical support.
Systems Administrator TS/SCI w/Poly Peraton IncSystems Administrator TS/SCI w/PolyMD$80,000–$128,000 / yearOur dynamic team delivers information security solutions that facilitate secure data flows and the detection/prevention of unauthorized behaviors, performs system security vulnerability assessments and solution development, and provides enterprise-level network, server, desktop, and application security services. Benefits: Peraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and participation in an attractive bonus plan.
Senior Systems Administrator (TTO Lead) TS/SCI w/Poly Peraton IncSenior Systems Administrator (TTO Lead) TS/SCI w/PolyFort Meade, MD$176,000–$282,000 / yearOur dynamic team delivers information security solutions that facilitate secure data flows and the detection/prevention of unauthorized behaviors, perform system security vulnerability assessments and solution development, provide enterprise-level network, server, desktop, and application security services. Peraton offers enhanced benefits to employees working on our critical National Security programs, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligible to participate in an attractive bonus plan.