System Administrator 2 Avid Technology Professionals LLCSystem Administrator 2Annapolis Junction, MDTen (10) years experience as a SA in programs and contracts of similar scope, type, and complexity is required. Bachelor's degree in a technical discipline from an accredited college or university is required.
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.
Endpoint Security Solutions (ESS) Systems Engineer – Level 2 RividiumEndpoint Security Solutions (ESS) Systems Engineer – Level 2Quantico, VirginiaThe selected candidate will serve as a technical subject matter expert supporting endpoint protection initiatives, security operations, compliance activities, and incident response efforts while ensuring systems remain secure and compliant with DoD cybersecurity requirements. The Endpoint Security Solutions (ESS) Systems Engineer – Level 2 will support the deployment, configuration, administration, and maintenance of enterprise endpoint security solutions across complex DoD environments.
NewSenior Windows Systems Engineer StratAcuity Staffing Partners IncSenior Windows Systems EngineerWashington, DC$55–$61 / 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. Bachelor's degree in computer science, information systems, engineering, or a related technical field, and 8+ years of progressive Windows Administration and engineering experience OR Master's degree in a related field and 6+ years of relevant experience.
System Administrator Redhorse CorporationSystem AdministratorChantilly, VABachelor’s degree in Information Technology, Computer Science, Cybersecurity, Computer Engineering, or Information Systems AND 3+ years of combined experience in IT systems administration, IT system/software development and integration, IT system/software testing, Cybersecurity Compliance, IT system troubleshooting, and incident response OR High School Diploma AND 5+ years of combined experience in IT system/software testing, cybersecurity compliance, IT system troubleshooting, and incident response. Technical Stack: Extensive experience with object-oriented programming languages, designing and administering relational databases, NoSQL data solutions, IT system/software testing, and configuration management practices.
Senior Windows SME LeidosSenior Windows SMEArlington, VirginiaThe DISA CESO ITSS team provides network operations and cyber defense support to the Defense Information Systems Agency (DISA), enabling secure and reliable communications for the Department of Defense (DoD) and Combatant Commands (COCOMs). September 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.
System Administrator Red Horse Corporation Ltd.System AdministratorChantilly, VA$130,000–$140,000 / yearBachelor's degree in Information Technology, Computer Science, Cybersecurity, Computer Engineering, or Information Systems AND 3+ years of combined experience in IT systems administration, IT system/software development and integration, IT system/software testing, Cybersecurity Compliance, IT system troubleshooting, and incident response OR High School Diploma AND 5+ years of combined experience in IT system/software testing, cybersecurity compliance, IT system troubleshooting, and incident response. Technical Stack: Extensive experience with object-oriented programming languages, designing and administering relational databases, NoSQL data solutions, IT system/software testing, and configuration management practices.
MS SQL Server Administrator Booz Allen Hamilton Inc.MS SQL Server AdministratorWashington, DC$77,600–$176,000 / yearWe're looking for a systems administrator with a solid background in Microsoft SQL Server, ESX, and ESXi engineering and administration to help us create solutions for Navy systems that will stand up to even the most advanced cyber threats. You'll coordinate work with in-house teams to identify the right mix of tools and techniques to translate your customer's IT needs and future goals into a plan that will enable secure and effective solutions.
Senior VDI Administrator Leidos Holdings IncSenior VDI AdministratorAlexandria, VA$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.
Microsoft System Administrator - Junior - #882 Allen Integrated SolutionsMicrosoft System Administrator - Junior - #882Fort Belvoir, VAThree years of progressively responsible experience in desktop support and administration, including supporting, troubleshooting, and managing workstations, monitors, VTC, and printers. Three years of experience with installing software, patching software, and troubleshooting software configuration.
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.
Endpoint Security Solutions (ESS) Systems Engineer – Level 1 RividiumEndpoint Security Solutions (ESS) Systems Engineer – Level 1Quantico, VirginiaThe successful candidate will provide technical leadership, support vulnerability management and compliance initiatives, contribute to incident response activities, and help maintain a secure and resilient enterprise security posture across complex Windows and Linux environments. RiVidium Inc. is seeking an Endpoint Security Solutions (ESS) Systems Engineer - Level 1 to provide senior-level engineering support for enterprise endpoint security operations within a mission-critical Department of Defense environment.
Cloud System Administrator CymertekCloud System AdministratorAnnapolis Junction, MarylandComputer 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.
NewServer Patching Administrator Macpower Digital Assets Edge Private LimitedServer Patching AdministratorWashington, DC$115,000–$124,000 / yearThe ideal candidate has 11+ years of professional work experience, including 8+ years of advanced Server system administration, operational support, and problem resolution for mixed Windows/Linux/Unix Server environments, 8+ years of System administration experience, and knowledge of VMware, Hyper-V, and administration of virtual servers, and 8 years of Server Patching and Software deployment experience through Tanium, SCCM, Intune, Ivanti or similar tools. Education and Experience Requirements: Minimum 10+ years of systems engineering/administration experience in Windows/Linux/Unix Server environments Operating Systems, including Windows Server installation, operations, administration, and maintenance of physical and virtualized servers in an enterprise environment.
NewSystem Administrator ECAMS Watch Officer Science Applications International CorpSystem Administrator ECAMS Watch OfficerArlington, VA$120,001–$160,000 / yearSAIC is currently seeking an experienced Enterprise Computing Applications Monitoring Support (ECAMS) Watch Officer with an Active TS/SCI in support of 24/7/365 operations to join our team at the Pentagon in Arlington, VA. Responsibilities: Provide active onsite operations, monitoring, and troubleshooting of IT systems and subsystems via various tools to support enterprise services to worldwide customer base.
HR Administrator (ADP Specialist) - Par Time, Onsite Bella Information Systems, LLCHR Administrator (ADP Specialist) - Par Time, OnsiteDistrict Of Columbia, DCThe ideal candidate enjoys building better processes, solving complex technical problems, and translating business needs into system solutions that enhance the employee experience. Bella Information Systems is seeking a highly capable HR Systems Administrator with deep expertise in ADP HR and payroll platforms (such as RUN Powered by ADP).
SAS Architect & System Administrator Booz Allen HamiltonSAS Architect & System AdministratorMcLean, VirginiaOnsite : 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. You’ll apply expertise in managing and optimizing SAS environments, leveraging statistical models for healthcare, Medicare, and patient information research, and integrating SAS with open-source and cloud technologies.
SQL Server Database Administrator Science Applications International CorpSQL Server Database AdministratorVA$120,001–$160,000 / yearThe SQL Server Database Administrator (DBA) will be responsible for the administration, support, and maintenance of SQL Server databases to ensure high performance, availability, and security of critical business applications. Make a difference for national security by joining a team of dedicated IT professionals who will sustain, modernize and transform the enterprise IT capabilities for the Defense Counterintelligence and Security Agency (DCSA).
Cloud Administrator (RPM, Docker, Kubernetes), BS+20 LinkCloud Administrator (RPM, Docker, Kubernetes), BS+20Annapolis Junction, MarylandRequired Skills/Experience: • Cloud services experience (AWS, Azure); services provisioning, management of virtual services, familiarity with vendor Platform as a Service offerings • Linux system administration and integration experience (RHEL, CentOS, Ubuntu) • System monitoring and maintenance to include service upgrades and security patching and IAVA management • Troubleshooting of services (Tier 1/2 level) • Experience with container technologies such as Docker and Kubernetes • Configuration management support, familiarity with Puppet/SIMP, Ansible, Salt, Chef • Familiarity with configuration and workflow tools such as GitLab, Jira Desired Skills: • RPM development, deployment, and upgrade experience We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. TKO is seeking a Cloud/Linux Systems Administrator to support the DCS TTO Integration Team.