Linux Systems Administrator Trinity Global ConsultingLinux Systems AdministratorChantilly, VAAt Trinity Global Consulting (TGC), we value our employees and provide a comprehensive benefits package that includes: Medical, Dental & Vision Coverage – Coverage for eligible employees and family through CareFirst and VSP. Manage several environments as a Linux SME providing overall support to the program and working with Enterprise Services to ensure compliance with security services and applications.
Network Operations- Tier 2 CACINetwork Operations- Tier 2Washington Dc, District of ColumbiaAs 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.
NewSenior 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.
Senior System Administrator AerovironmentSenior System AdministratorJessup, MD$170,000–$220,000 / yearDetermination of official compensation or salary relies on several factors including, but not limited to, level of position, job responsibilities, geographic location, scope of relevant work experience, educational background, certifications, contract-specific affordability, organizational requirements, alignment with local internal equity as well as alignment with market data. Agencies of the U.S. Department of Defense and allied military services use the company's hand-launched UAS to provide situational awareness to tactical operating units through real-time, airborne reconnaissance, surveillance, and target acquisition.
SCCM/Windows Systems Administrator LeidosSCCM/Windows Systems AdministratorBethesda, Maryland$73,450–$132,775 / yearLeidos Digital Modernization is seeking a skilled SCCM/Windows Systems Administrator to support the Defense Intelligence Agency (DIA) National Digital Exploitation & OSINT Center (NDOC) IT Operations and Maintenance (O&M) program. June 4, 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.
Team Lead- Network Operations – Tier 2 CACITeam Lead- Network Operations – Tier 2Washington Dc, District of ColumbiaAs 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.
NewSystems Administrator - Lead (Linux) ASRC Federal Holding CompanySystems Administrator - Lead (Linux)Washington, DCASRC Federal Agile Decision Sciences LLC is seeking an experienced Systems Administrator - Lead (LINUX) to support the Command-and-Control Support Agency (CCSA), Technical Services Division (TSD) at the Pentagon. Working knowledge and applied experience with current IA and IT security control implementation procedures, to include STIGs and ACAS.Experience with SAN storage, enterprise backup solutions, and fault-tolerant technologies.
Database Administrator – DBA2 TS/SCI Poly required EmtakDatabase Administrator – DBA2 TS/SCI Poly requiredAnnapolis Junction, MarylandThe ideal candidate will have hands-on experience creating, maintaining, patching and troubleshooting issues related to Microsoft SQL Server databases, knowledge of AWS Cloud technologies, works well in a small team setting, has a desire to automate processes where possible, and a willingness to think outside the box to find solutions. Looking for a self-motivated individual that wants to learn new skills as well as contribute to the growth and maturity of the processes used to support and maintain databases by a small, talented, and hardworking database administration team.
System Administrator 2 MarkonSystem Administrator 2Fort Meade, Maryland$150,000–$160,000 / yearFull timeOur growing reach extends across 17 states, 116 countries, and 5 continents, where our team of dynamic professionals collaborates to deliver unparalleled program and project management services. 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.
Linux Systems Administrator II CACI International Inc.Linux Systems Administrator IIFort Meade, MD$103,800–$218,100 / yearDesired: Should have working knowledge, able to use and/or support, with some (preferably most) of the following resources and tools: Dell and HPE Linux servers; Juniper and Cisco routers, switches, and firewalls; Palo Alto firewalls; Ansible; Nutanix - VM management; Rubrik - data storage; Nomad containers; SALT scripts; LibreNMS; NetBox. 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.
Senior System Administrator GIGATEC EngineeringSenior System AdministratorAnnapolis Junction, MDFull timeAs the System Administrator, you'll get to be responsible for providing network management and systems administration support to maintain the Agency’s High-Performance Computing (HPC) infrastructure and HPC development environment. Experience performing System Administration including installation, configuration, and support of COTS/GOTS/FOSS software in a large-scale Linux cluster environment .
System Administrator CACI International Inc.System AdministratorFort Meade, MD$103,800–$218,100 / yearPay 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. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation.
Linux System Administrator GIGATEC EngineeringLinux System AdministratorAnnapolis Junction, MDFull timeAs the Linux System Administrator, you'll get to be part of a team 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. Experience performing System Administration including installation, configuration, and support of COTS/GOTS/FOSS software in a large-scale Linux cluster environment.
NewSystem Administrator 2 Markon SolutionsSystem Administrator 2fort meade, MD$150,000–$160,000 / yearOur growing reach extends across 17 states, 116 countries, and 5 continents, where our team of dynamic professionals collaborates to deliver unparalleled program and project management services. 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 - multiple levels - FULLY CLEARED with POLYGRAPH REQUIRED Constellation TechnologiesSystems Administrator - multiple levels - FULLY CLEARED with POLYGRAPH REQUIREDAnnapolis Junction, MarylandThe benefits package: • Affordable healthcare options with 80% employer paid premium PLUS a company-funded HSA • Comprehensive Dental insurance • 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 and AWS training and accreditation • Annual reimbursement for technology i.e. phones, computers, printers, etc. Linux, Windows, VMWare, Active Directory, Security+, Server Maintenance, Networking Due to federal contract requirements, United States citizenship and an active TS/SCI security clearance and polygraph are required for the position.
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.
Computer Network Defense Analyst Belay TechnologiesComputer Network Defense AnalystAnnapolis Junction, MD$115,000–$240,000 / yearIf not credited toward education requirements, completion of military training in a relevant area such as JCAC (Joint Cyber Analysis Course), Undergraduate Cyber Training (UCT), Network Warfare Bridge Course (NWBC)/Intermediate Network Warfare Training (INWT), Cyber Defense Operations will be considered towards relevant experience requirement (i.e., 20-24 week courses will count as 6 months of experience, 10-14 weeks will count as 3 months of experience). Computer Network Defense Analyst Level 2. Computer Network Defense Analyst Level 3. Computer Network Defense Analyst Level 4. Years’ Experience by Degree Type: Computer Network Defense Analyst Level 1 Technical Bachelor Degree with 2 years of experience.
Watch Officer/Systems Administrator Peterson TechnologiesWatch Officer/Systems AdministratorAnnapolis Junction, MD$120,000–$150,000 / yearExperience communicating and documenting technical issues, risks, and approaches to direct reports, peers, superiors, and clientsh) Experience providing support for the escalation and communication of status to agency management and internal customersi) Experience gathering requirements based on feedback and feature requests of users. Five (5) additional years’ experience in a Systems Administrative or Watch Desk position can be substituted for a bachelor’s degreeb) Minimum 3 years’ experience as a Systems Administrator or Watch Desk Analystc) Minimum 2 years’ experience with Microsoft Windows operating systems administration and industry best practices.d)
Shift Watch Officer/Systems Administrator Peterson TechnologiesShift Watch Officer/Systems AdministratorAnnapolis Junction, MD$120,000–$150,000 / yearExperience communicating and documenting technical issues, risks, and approaches to direct reports, peers, superiors, and clientsh) Experience providing support for the escalation and communication of status to agency management and internal customersi) Experience gathering requirements based on feedback and feature requests of users. Five (5) additional years’ experience in a Systems Administrative or Watch Desk position can be substituted for a bachelor’s degreeb) Minimum 3 years’ experience as a Systems Administrator or Watch Desk Analystc) Minimum 2 years’ experience with Microsoft Windows operating systems administration and industry best practices.d)
Microsoft Systems Administrator (TS/SCI REQUIRED) PROVATOHR INCMicrosoft Systems Administrator (TS/SCI REQUIRED)Fort Belvoir, VAThree years of experience serving as a team leader working as both part of a team and independently to assign/review immediate tasks, set priorities, maintain task progress, validate team members’ work consistent with the organizational goals and deadlines. Three years of progressively responsible experience in desktop support and administration, including supporting, troubleshooting, and managing workstations, monitors, VTC, and printers.