System Administrator 2 Avid Technology Professionals LLCSystem Administrator 2Annapolis Junction, MDWindows Server: manage roles including DNS, DHCP, Active Directory including Group Policy, Remote Desktop Services, and Hyper-V. Strong Windows and Linux troubleshooting skills with hardware and software issues.
Senior Linux Systems Administrator Computational Physics, Inc.Senior Linux Systems AdministratorWashington, DCFull timeRequired QualificationsSeven (7) or more years of industry experienceFive (5) or more years of experience as a Linux System Administrator Experience managing, configuring, and patchingRed Hat Enterprise Linux (RHEL) systems Experience applying STIGs and remediating vulnerabilities identified by ACAS or similar security tools Experience supporting systems in virtualized environments (e.g., VMware vSphere) Experience integrating systems with monitoring and alerting platforms (e.g., SolarWinds, AIDE) Experience configuring and managing centralized authentication services (e.g., Active Directory, Centrify, FreeIPA/IdM) Experience installing and maintaining endpoint security tools (e.g., Trellix/McAfee, Microsoft Defender for Endpoint) Experience configuring and managing centralized logging solutions (e.g., rsyslog, SIEM integrations) Experience administering Linux systems using configuration management tools (e.g., Ansible, Puppet) Experience with DoD cybersecurity policies and frameworks is highly desirableEducation & CertificationsBachelor's degree in IT, CS, or related fieldCompTIA Security+ CEActive Top Secret Security clearancePreferred QualificationsStrong troubleshooting skills across system, network, and storage layersExperience configuring and troubleshooting SELinuxExperience managing RHEL lifecycle and patching using tools such as Red Hat Satellite or equivalentExperience with container technologies (e.g., Podman, Docker)Strong understanding of Linux networking (e.g., firewalld/nftables, DNS, routing, VLANs)Experience with modern monitoring and observability platforms (e.g., Prometheus, Grafana, ELK)Experience managing Linux storage (e.g., LVM, XFS, NFS, multipath) Experience developing and maintainingAnsible playbooks/roles and using version control (e.g., Git)Experience supporting compliance frameworks (e.g., RMF, STIG checklists, POA&M development)U.S. The USNO is responsible for the production and dissemination of precise parameters concerning time, star positions, and the earth's rotation to the Department of Defense (DoD) and intelligence community, other U.S. Government (USG) users such as NASA and the National Oceanic and Atmospheric Administration (NOAA), as well as non-USG civilian and international users.
Systems Administrator, Installation TekSynapSystems Administrator, InstallationMaryland$100,000–$130,000 / yearFull timeOverview: We are seeking a Systems Administrator, Installation to join our Task Order proposal on the Defense Intelligence Agency’s Solutions for the Information Technology Enterprise III (SITE III). “Technology moving at the speed of thought” embodies these principles – the need to nimbly utilize the best that information technology offers to meet the business needs of our Federal Government customers.
Senior HPC Systems Administrator Omega Enterprise Solutions, LLCSenior HPC Systems AdministratorAnnapolis Junction, MDFull timeSYSTEM ADMINISTRATOR IV FOR HPC must have the following qualifications required by the relevant TTO: Installation, configuration, tuning, troubleshooting and administration of: Multi-vendor servers running numerous COTS, opensource, and in-house applications to accommodate HPC Division IT support requirements. HPC farm systems, HPC MPP clustered systems, Front End servers of Special Purpose devices (SPDs) IBM of HP Blade servers with FC/SAS/Network back end.
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.
Senior VDI Administrator Leidos Holdings IncSenior VDI AdministratorWashington, DC$92,300–$166,850 / yearProvide Tier 2 and Tier 3 operations support and be able to rapidly distinguish isolated user problems vs service outages for Citrix technologies to include Citrix XenDesktop, Citrix XenApp, Citrix NetScaler, and Citrix StoreFront in addition to Microsoft M365 Azure Virtual Desktop (AVD). Extensive experience with conducting incident and trend analysis via log review, performance baselining/review, and other incident/problem management techniques to develop solutions to ongoing issues impacting customer experience.
PKI Systems Administrator - TS/SCI with Polygraph GD Information TechnologyPKI Systems Administrator - TS/SCI with PolygraphAnnapolis 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. You will manage certificates, tokens, authentication services, and identity related security functions that underpin access to critical systems across multiple networks and security domains.
NetSuite System Administrator Synagro WWT, Inc.NetSuite System AdministratorBaltimore, MD$120,000–$140,000 / yearPart timeUnderstanding of financial work processes of General Ledger, Chart of accounts structures, Accounts Payable and Receivables processes, Asset management, project accounting, Month end close, financial reporting, balance sheets and income statements. Basic project management skills of documenting scope, developing requirements documents, developing work break down structures, estimating time, tracking issues, and performing change management activities is required.
Security/Systems Administrator Nightwing Intelligence SolutionsSecurity/Systems AdministratorSterling, Virginia$122,000–$253,000 / yearOur capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers’ most demanding challenges.
Linux System Administrator, Senior Booz Allen HamiltonLinux System Administrator, SeniorAnnapolis Junction, MarylandOnsite : 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. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.
Mid-Level Network Administrator Talent Acquisition ConceptsMid-Level Network AdministratorFort Belvoir, VADemonstrate ability to produce timely, logical, and concise analytic reports, documents, assessments, studies, and briefing materials in formats including Microsoft Office tools (e.g. Demonstrate ability to develop structured research including, but not limited to, obtaining, evaluating, organizing, and maintaining information within security and data protocols.
B2/ B3 Information Systems Security Officer (IA) StratAcuity Staffing Partners IncB2/ B3 Information Systems Security Officer (IA)Baltimore, MD$40–$81 / hourIn terms of professional development, Everforth 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. Everforth 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.
System Administrator UTRS, Inc.System AdministratorAdelphi, MDThis position will Manages the full lifecycle of CSSP user accounts and access controls across mission systems and enterprise tools, ensuring secure provisioning, RBAC enforcement, and timely support and deprovisioning. Proficient in Microsoft Office suite, particularly Outlook, to efficiently manage and prioritize high volumes of email communication, ensuring timely responses and effective correspondence management.
Senior Linux Systems Admin (UiPath) LeidosSenior Linux Systems Admin (UiPath)Alexandria, VirginiaThe Digital Modernization Sector at Leidos is seeking a dynamic Sr Linux Systems Administrator to support cloud modernization initiatives for the United States Coast Guard (USCG) at Command, Control, Communication, Computer, Cyber, and Intelligence Service Center (C5ISC) in the Alexandria, VA area. July 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.
Network Security System Administrator 1 ItezzNetwork Security System Administrator 1Annapolis Junction, MarylandConfigure and manage network devices, firewalls, VPNs, web proxies, and load balancers and install/load operating system software, troubleshoot, maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance. Compensation will vary dependent upon factors including but not limited to: Government contract rates; annual hours worked; education; relevant prior work experience, knowledge, skills, and competencies; certifications, and geographic location.
Mid-level System Administrator Alakaina Foundation Family of CompaniesMid-level System AdministratorFort Meade, MDBAH includes Ke aki Technologies, LLC; Laulima Government Solutions, LLC; Kpono Government Services, LLC; Kapili Services, LLC; Po`okela Solutions, LLC; Kkaha Solutions, LLC; and Pololei Solutions, LLC. Bering-Alaka ina Holdings (BAH) is comprised of industry-recognized government service firms designated as Alaska Native Corporation (ACN)-owned and 8(a) certified businesses.
Sr. System Administrator Alakaina Foundation Family of CompaniesSr. System AdministratorFort Meade, MDBering-Alaka ina Holdings, LLC is comprised of industry-recognized government service firms designated as Alaska Native Corporation (ACN)-owned and 8(a) certified businesses and includes Ke aki Technologies, LLC; Laulima Government Solutions, LLC; Kpono Government Services, LLC; Kapili Services, LLC; Po`okela Solutions, LLC; Kkaha Solutions, LLC; and Pololei Solutions, LLC. DESCRIPTION OF RESPONSIBILITIES: Responsible for high-level, day-to-day operational maintenance, support, and upgrades for complex operating systems, workstations and servers.
Cloud System Administrator CymertekCloud System AdministratorReston, VirginiaComputer Science, Information Technology, Cybersecurity, Systems Engineering, Network Engineering, Cloud Computing, Software Engineering, Information Systems, Data Science, Electrical Engineering, etc. Cloud Engineer, Systems Administrator, DevOps Engineer, Cloud Infrastructure Engineer, Cloud Operations Specialist, IT Systems Administrator, Cloud Support Engineer, Cloud Solutions Architect, Systems Engineer, Cloud Platform Administrator, etc.
System Administrator 1 - FS Poly stanleyreidSystem Administrator 1 - FS PolyMarylandOperating as both a prime and subcontractor, they offer a collaborative environment where hands-on experts serve as trusted advisors across the full SDLC, including cloud-native development, low-level/CNO engineering, and AI/ML integration. If you are seeking a purpose-driven role with a team that values your technical expertise and personal well-being, we invite you to explore the elite opportunities our client has to offer.
Federal Acquisition System Administrator JEFFERSON CONSULTING GROUP, LLCFederal Acquisition System AdministratorDCRemoteThe position requires providing all appropriate system administration support to administer, troubleshoot, and maintain the contracting writing system and acquisition automation tools, including, for example, the following: Generate, maintain, establish, and deliver PRISM training for new and existing users: Track buyers and non-buyers PRISM licenses. This may include, but is not limited to, the following applications: Purchase Request Tracker Tracker, Government Purchase Card (GPC) Purchase Request App, Contract Award Log, Contract Closeout automation, help desk automation, and the Source Selection Tool.