Systems Administrator
$60k - $70kReli Group Inc.
At RELI Group, our work is grounded in purpose. We partner with government agencies to solve complex challenges, improve public health, strengthen national security, and make government services more effective and efficient. Our team of over 500 professionals brings deep expertise and a shared commitment to delivering meaningful outcomes. Behind every solution is a group of experts who care deeply about impact – whether we're supporting data‑driven decisions, modernizing systems or safeguarding critical programs. The Systems Administrator is responsible for managing and maintaining enterprise IT systems, ensuring the availability, reliability, and security of infrastructure across the organization. In addition to system administration duties, this role also provides technical support to resolve helpdesk issues and ensure high levels of user satisfaction and productivity. Responsibilities Administer, maintain, and monitor corporate systems including servers (Windows/Linux), Active Directory, Exchange/O365, and virtualization platforms (VMware/Hyper‑V). Perform routine system maintenance, patch management, and backups. Manage user accounts, permissions, and group policies in Active Directory. Troubleshoot and resolve Tier2 hardware, software, and network issues escalated from the helpdesk. Support onboarding/offboarding processes including provisioning accounts, hardware, and software. Monitor system performance and implement performance tuning and resource optimization. Assist with IT projects, system upgrades, and infrastructure improvements. Maintain documentation for systems, procedures, and configurations. Ensure compliance with IT security policies and assist in audits as required. Provide support for remote users, VPN, and mobile device management (MDM). Qualifications Must be able to be onsite in Windsor Mill, MD, 5 days a week 3-5+ years of experience in system administration and helpdesk support. Strong knowledge of Windows Server, Active Directory, Exchange/O365, DNS, DHCP, and group policy management. Proficiency in troubleshooting Tier2 IT issues across hardware, software, and networking. Experience with virtualization platforms and backup solutions. Familiarity with IT ticketing systems and remote support tools. Strong communication skills and a user‑focused mindset. Relevant certifications (e.g., CompTIA, Microsoft, ITIL) are a plus EEO Employer: RELI Group is an Equal Employment Opportunity / Affinitive Action employer. All qualified applicants will receive consideration for employment without regard to race, color, national origin, ancestry, citizenship status, military status, protected veteran status, religion, creed, physical or mental disability, medical condition, marital status, sex, sexual orientation, gender, gender identity or expression, age, genetic information, or any other basis protected by law, ordinance, or regulation. HUBZone: We encourage all candidates who live in a HUBZone to apply. You can check to see if your address is located in a HUBZone by accessing the SBA HUBZone Map. The annual salary range for this position is $60,000 to $70,000. Actual compensation will depend on a range of factors, including but not limited to the individual's skills, experience, qualifications, certifications, location, other business and organizational needs, and applicable employment laws. The estimate displayed represents the typical salary range for this position and is just one component of the total compensation package for employees. RELI Group provides a variety of additional benefits to its employees. For additional details on the benefits that RELI Group offers click here #J-18808-Ljbffr
- Universal Technical Resource Services, Inc. (UTRS) is currently seeking a System Administrator to join our team! At UTRS, we enjoy the benefits of working in a collaborative environment of close-knit team members. As a company, we provide a wide range of leading-edge engineering...SuggestedCasual workWork at officeRemote work
$90k - $105k
...Position Overview We are seeking a Senior Systems Administrator in Lanham, MD. This role serves as the primary IT lead for the Lanham office while partnering with a distributed IT operations team. The position requires a robust technical foundation across hybrid infrastructure...SuggestedContract workWork at officeLocal areaImmediate startFlexible hours2 days per week$73.45k - $132.78k
...business. If this sounds like an environment where you can thrive, keep reading! The Mission Leidos is seeking a System Administrator to partner on a large enterprise IT contract for the DOD. The System Administrator will partner and lead operations across...SuggestedContract workWork at officeLocal areaImmediate startRemote work- ...University of Maryland College Park seeks a Senior Systems Administrator to support enterprise IT operations at the Laboratory for Physical Sciences (LPS). The role requires a versatile, senior generalist able to maintain core IT infrastructure, improve reliability and...Suggested
- The Systems Administrator will support and maintain computer systems, hardware, software, and infrastructure while providing technical assistance for transit scheduling systems such as HASTUS or Trapeze. The role includes system provisioning, installation, configuration...Suggested
- Sebenza LLC is a woman owned small business operating out of McLean, VA . We currently have an immediate opening for a Sr. Systems Administrator to support our contract in Lanham, MD. Our government client has a requirement to provide support in Infrastructure Management...Contract workWork at officeImmediate startRemote workMonday to Friday
- ...for external applicants. Job Description and Position Requirements We are searching for a self‑motivated, quality conscious Systems Administrator Intern to join our Computing Services Department within the Information Technology Services Office at the Applied Research Laboratory...Summer workInternshipWork at officeWork from homeRelocationFlexible hoursShift work
- ...below and support and/or complete any deliverables required under this SOW, as identified herein. The Subcontractor (Junior Systems Administrator) is responsible for providing technical support. The following are the required tasks and experience that are expected for this...Full timeFor subcontractorWork at officeImmediate start
- ..., Federal and State Government Agencies. Learn More About ProSidian Consulting at DescriptionProSidian Seeks a Energy Data Systems Administrator | Evaluation Support [DOEOP045050] - DPLH Est.: 665.6 Hrs. ST | 0 Hrs. OT on a Exempt 1099 Contract: No Overtime Pay Contract...Full timeContract workTemporary workFor contractorsH1bWork at officeFlexible hours
- ...MANTECH is seeking a highly motivated and collaborative System Administrator to join our team in Laurel , MD . In this role, you will develop, maintain, and enhance complex and diverse software systems based upon documented requirements. Work individually or as...Work at office
$92.3k - $166.85k
...like an environment where you can thrive, keep reading! The MissionThe Leidos Digital Modernization Sector is seeking a GCCS-J Systems Administrator in support of the Air Force National Capital (AFNCR) IT Services program. Primary Responsibilities: Lead, mentor, and manage...Full timeLocal areaImmediate startRemote workRelocation- ...positioning us as one of a handful of elite companies to receive the highest form of third-party validation. are seeking a Systems Administrator who will be responsible for supporting and maintaining enterprise IT systems within a Department of Homeland Security (DHS)...Full timeContract work
$77.6k - $176k
System Administrator, SeniorThe Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve a critical technology supporting the Department of Defense (DoD)? We’re looking for a System...Full timeContract workPart timeWork at officeLocal areaRemote work- ...certifications, which include ISO 9001:2008 Quality Management System (QMS), ISO/IEC 20000-1:2011 IT Service Management Systems (SMS... ...the TTAC Infrastructure Modernization effort as a System Administrator (SA). The System Administrator is responsible for effective provisioning...Immediate startFlexible hoursWeekend work
- Maintains smooth operation of multi-user computer systems, including coordination with network engineers. Sets up administrator and service accounts, maintains system documentation, tunes system performance, installs system-wide software, and allocates mass storage space...Work experience placement
$125k - $175k
Job DescriptionECS is seeking an experienced Systems Administrator to work remotely providing operations management for the work performed under this contract for NIH NIAID Enabling and Advancing Technologies (NEAT). All other tasks are intended to facilitate the implementation...Contract workRemote work- ...capabilities in AI/ML & Decision Analytics, Modeling and Simulation, and Future Force Assessments.SPA has a need for Systems & Infrastructure Administrators to operate, maintain, and improve the environments that host APACS and Foreign Clearance Program‑related...Flexible hours
- TIAG is now hiring a System Administrator to join our team at the National Institute of Health (NIH). As the System Administrator, you will provide daily administration, security compliance, and operational support for all Facility Operational Technology systems (FOTS)...Local areaImmediate start
- ...Fort Meade, MDClearance Required: Top Secret/SCI with Active Full Scope PolygraphWe are seeking an experienced Linux-focused System Administrator (Level 2) to support a mission-critical program within the Intelligence Community at Fort Meade, MD. This is an on-site...Temporary work
$120k - $135k
Job DescriptionEverforth ECS is seeking a Senior Systems Administrator (Top Secret Cleared)to work in our Washington, DC office. Please Note: This position is contingent upon contract award.We are seeking a cleared System Administrator to support secure system administration...Contract workWork at office$170k - $219k
As a Sr. Systems Administrator III, you will work as part of a collaborative and high-performing team providing hands-on expertise to deliver technical solutions within the highest levels of the federal government by designing, implementing, administering, and supporting...Full timeLocal area- Responsible for server operations inclusive of hardware, operating system (OS), and utilities on the servers.Has expertise in Red Hat... ...TrustExperience Required: 10 years’ experience in Systems Administration for software development projects utilizing Agile principlesEducation...
- Analytica is seeking a seasoned and adaptable Senior System Administrator to join our infrastructure team in supporting an innovative federal mission. In this role, you will provide high-level technical leadership, engineering expertise, and strategic vision to optimize...
$120k - $165k
Job DescriptionECS is seeking an experienced Sr. System Administrator to work remotely providing scientific computing support for the work performed under this contract for NIH NIAID Enabling and Advancing Technologies (NEAT). This engagement supports the Scientific Computing...Contract workRemote work- ...edge cloud-based integration, automated testing and data analysis for complex, mission-critical systems in the US Department of Defense (DOD), is seeking a Systems Administrator to be part of our Security team and based out of our Arlington, VA location.The Systems...Full timeWork at officeImmediate start
$104k - $166k
ResponsibilitiesPeraton is seeking a motivated and driven Systems Administrator to join our dynamic team.Peraton has served as the prime contractor for this program since its inception in the 1980's. We provide high-level government leaders with reliable secure voice, video...Contract workFor contractorsWorldwideShift work$123k - $136k
Job DescriptionEverforth ECS Federal is seeking a Senior Systems Administrator to support a mission-focused federal IT program in Washington DC.Please Note: This position is contingent upon contract award.Salary Range: $123,000 - $136,000Join Everforth ECS Federal to keep...Contract work$73.45k - $132.78k
...If this sounds like a mission you want to be a part of, keep reading! The Digital Sector of Leidos is seeking a Data Center System Administrator to support data center operations. The System Administrator will rack and stack equipment, support upgrades and...Full timeTemporary workWork at officeRemote work- ...PlanIT Group is seeking a System Administrator/Scripting Engineer to support our Federal customer in the Washington, DC area. The ideal candidate will have expertise in command line scripting (PowerShell), Windows Server, Active Directory, SSO (Single Sign-On), ADFS...Weekend work
- ...Kaiva Tech, LLC is seeking a Systems Engineer/Administrator in Arlington, VA Clearance : Secret Location : 100% Onsite Position Overview : As a Systems Engineer/Administrator, you will be responsible for ensuring the secure and efficient operation of...
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Systems Administrator. Be the first to apply!


