Systems Administrator
Alpha Omega Services
Job Title: Windows Systems Administrator Clearance Required: DHS Public Trust, US Citizen (Secret Clearance or above preferred) Work Location: Hybrid; onsite 2-5 times a week in Lorton, VA (Applicant must be based within a commutable distance (1-2 hours) within the DMV) Alpha Omega is seeking a qualified Windows Systems Administrator in support of our DHS ICE customer. The Windows Systems Administrator will be responsible for the administration, automation, and security of the organization’s Windows server and virtual infrastructure. This role requires advanced expertise in Microsoft Hyper‑V and Windows Server environments, with a strong focus on virtualization, automation, and centralized management. The ideal candidate will be highly skilled in PowerShell scripting, Group Policy and security best practices, and have experience with software deployment and patch management across diverse environments. Familiarity with Linux OS, cloud platforms, and technical documentation is also essential. Key Responsibilities Develop and implement automated solutions for reporting, VM provisioning, and patching using PowerShell. Maintain comprehensive documentation for system configurations, processes, and procedures; create and update Standard Operating Procedures (SOPs). Install, configure, and maintain mid/large‑scale Windows Server environments (100+ servers, Windows Server 2019). Design, deploy, and manage virtual machines and clusters using Microsoft Hyper‑V, including host management, storage, and network configuration. Apply Group Policies (GPO) and security best practices to secure both physical and virtual infrastructure, including Hyper‑V and Active Directory. Administer and troubleshoot core Windows services such as Active Directory and WSUS. Oversee centralized software deployment, patch management, and asset tracking across Windows and macOS environments using tools such as PDQ Deploy, SCCM, or similar platforms. Monitor and optimize server and network performance, proactively identifying and resolving issues. Ensure compliance with security standards and regulatory requirements throughout the infrastructure. Provide basic administration and troubleshooting for Linux servers as needed. Manage and support Cisco/Meraki cloud and on‑premise network devices (switches, routers, wireless access points, security appliances). Collaborate with IT teams to ensure best practices in systems engineering, security, and compliance. Stay current with emerging technologies in virtualization, systems management, and cloud integration. Required Qualifications 10+ years Windows Systems Administrator experience Advanced level PowerShell scripting for automation, monitoring, and administration. Proven experience with Microsoft Hyper‑V and Windows Server environments. Deep understanding of virtualization concepts, clustering, storage (SAN/NAS), and networking. Experience with centralized management of software deployment, patching, and system tracking (e.g., PDQ Deploy, SCCM, or similar). Strong knowledge of Active Directory, WSUS, and Group Policy management. Demonstrated ability to implement security best practices and compliance controls, especially within virtualized environments. Experience with Video Management System software (e.g., XProtect Milestone or similar). Experience with centralized log management and monitoring tools (e.g., WhatsUp Gold, Splunk or Centralized Windows Event Log Event Server). Experience with cloud platforms (Azure, AWS) and integration. Hands‑on experience with Cisco/Meraki device management. Working knowledge of Linux OS administration and troubleshooting. Excellent problem‑solving and communication skills. Proven experience in technical documentation and SOP creation/maintenance. Education Bachelor’s Degree (Preferred) Benefits 15 days PTO including paid parental, military, and bereavement leave Eleven federal holidays, five floating holidays Health and Dental Insurance (including 100% employer‑paid premiums for employee coverage under the HDHP health plan) Life Insurance, STD/LTD term disability coverage with employer‑paid premiums 401(k) plan with a match that is 100% vested after two years of service Flexible benefit plans (FSA/DFSA/HSA) Annual Tuition & Professional Development Reimbursement Application Deadline: July 15, 2026 Alpha Omega Integration, LLC (Alpha Omega) is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class. #J-18808-Ljbffr
$60k - $180k
...Cloud Migration, Applications and Infrastructure, Software Development, and Finance & Accounting. M9 Solutions is seeking a System Administrator to work onsite in support of a government contract for a client located in Ft. Belvoir, VA. An active TS/SCI clearance is...SuggestedFull timeContract workFor subcontractorFlexible hoursNight shift$155k - $175k
...opportunities, and even pet insurance to ensure your furry friends are cared for too. Job Summary Castalia Systems is seeking a Microsoft Enclave Administrator (Azure Operations Systems Administrator) Expert to join our team in support of an exciting opportunity...SuggestedFull timeContract workWork at officeLocal area- ...IPT Associates (IPTA) is seeking an IT Support/Desktop Administrator at Ft. Belvoir, VA to install, configure, and monitor end-user automation equipment and to keep conference rooms and IT hardware fully functional. Three years of desktop support experience and a DoD 8...SuggestedWork at office
$70k - $130k
...Job Title: Systems Administrator Clearance Required: DHS Public Trust, US Citizen (Secret Clearance or above preferred) Work Location: Onsite; Lorton, VA. Alpha Omega is seeking a qualified Systems Administrator in support of our DHS ICE customer. Alpha Omega is seeking...SuggestedLocal areaFlexible hours- ...Prince William County’s Department of Public Safety Communications seeks a System Administrator for the County’s P25 multi‑site radio system. You will ensure high availability of mission‑critical communications and collaborate with IT, public safety, leadership, and vendors...Suggested
- ...Nationwide IT Services, Inc. seeks an experienced System Administrator to support a DoD customer at Fort Belvoir, VA. The role ensures reliability, security, and performance of enterprise servers and network infrastructure across multiple locations, with Windows and/or...
- ....* Responsibilities Perform installation, configuration, administration, and monitoring of end-user IT automation equipment, including... ...-user automation hardware and software issues to maintain 99% system availability Provide comprehensive inventory and automation...Contract workWork at office
$77.6k - $176k
...Job Number: R0241858 Systems Administrator and Security Analyst The Opportunity Your combination of people skills and system administrator and cyber security expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve...Full timeContract workPart timeLocal area$70k - $130k
...Systems Administrator Alpha Omega is seeking a qualified Systems Administrator in support of our DHS ICE customer. The ideal candidate will manage, optimize, and troubleshoot SQL environments while also supporting automation and systems operations through advanced PowerShell...Contract workWork experience placementLocal areaFlexible hours$100k - $135k
Zachary Piper Solutions is seeking a System Administrator to join the Security and Electronic team. The System Administrator will support the design, engineering, integration, operation, and maintenance of electronic security services. There are positions available in...- SMS is seeking a Sr. System Administrator at Fort Belvoir, VA to support the DTRA I3TS Infrastructure Services team to maintain and optimize the Linux production environment. The candidate will be responsible for sustaining Linux servers as well as the conceptualization...Remote workMonday to FridayShift workWeekend work
- ...lead a team of 15 technical personnel ranging from desktop to database administrators. Essential Functions of the Job Organize and directs the configuration and operation of information management systems Provide the day-to-day system administration to include system and...Contract workTemporary workFor contractorsWork at officeImmediate startFlexible hoursWeekend workAfternoon shift
$78k - $110k
System Administrator Location: FortBelvoir,VA Security Clearance: Active Secret Security Clearance Position Overview Nationwide IT Services (NIS) is seeking an experienced System Administrator to support a Department of Defense customer at Fort Belvoir, VA. This position...- ...DMI is seeking a Solaris/Linux System Administrator to join our team. This role supports Oracle on Solaris and Linux, administers Apache, and works in multi-tier clustered environments. Candidates should have a BA/BS and 10+ years of experience, possess a Secret clearance...Remote work
- ...organization, delivers innovative solutions for complex, mission‑critical federal programs. We are seeking multiple highly skilled Systems Administrators to deliver critical on‑site functional and technical infrastructure support at multiple locations, including Northern...Contract workWork at officeLocal area
- ...The HPC group is looking for an experienced Linux systems administrator with HPC experience and programming skills, to join our team. The HPC team is responsible for purchasing, deploying, and maintaining HPC hardware and user tools for over 450 MITRE employees. The HPC...Work experience placement
- ...Freedom Technology Solutions Group is seeking a Systems Administrator to support the design, analysis, and deployment of secure, reliable software for our customer, either independently or within a team. Located in McLean, VA! Responsibilities Experience with Microsoft...For contractorsFlexible hoursNight shift
- ...Abile Group, LLC is seeking a Systems Administrator (PITD) on a 10-year contract to support User Facing and Data Center IT services for an Intelligence Community customer. The role spans design, procurement, implementation, operations, sustainment, and disposal across...Contract workWorldwide
$91k - $96k
...Job Description Senior Systems Administrator position is responsible for maintaining information technology infrastructure to support Virginia Tech sites in Alexandria and Arlington. This position maintains systems for client support, security monitoring, virtualization...Work experience placement- ...Job Description ACTIVE TS/SCI WITH FULL SCOPE POLY REQUIRED*** Our client has an immediate need for a System Administrator with a focus on Linux experience in the McLean, VA area. The on‑site system administrator shall support the day‑to‑day operations of the Sponsor’...Local areaImmediate startRemote work
$116.35k - $210.33k
...Description Senior System Administrator Alexandria, VA Leidos is hiring a Senior System Administrator to support Red Hat systems operating within the Army Cloud Computing Enterprise Transformation (AC2SP) on both unclassified and classified networks in...Work at officeLocal areaImmediate startRemote work- ...well-structured, effectively outlining the responsibilities, requirements, benefits, and application process for the Senior Airgap System Admin role. It uses appropriate HTML tags (p, h3, ul, li) to enhance readability and organization. However, there are minor issues...
- ...impact on the world, ensuring both today's safety and a smarter tomorrow. We're looking for a talented and driven TS/SCI cleared Systems Administrator to join us in supporting our Intelligence customer in Springfield, VA. This is your opportunity to leverage your technical...For contractorsWork at officeLocal areaWeekend work
$80k - $120k
...Posted 2026-07-24 Category Information Technology Subcategory Sys Administrator Schedule Full-Time Shift Day Job Travel Yes - 10% of the time... ...SAIC is seeking a highly motivated and skilledSenior Systems Administrator II – Desktop Support to join our MAJESTIC Joint...Full timeFor subcontractorWork at officeRemote workShift work- ...Virginia Tech is seeking a Senior Systems Administrator to maintain and enhance IT infrastructure across Alexandria and Arlington campuses. You will manage Windows Active Directory, Hyper-V virtualization, Linux servers, and cloud services while guiding the service desk...
- ...Mission Technologies, a division of HII, is seeking a senior Systems Administrator to secure and optimize Windows and Linux environments supporting critical enterprise and mission workloads. You will apply cross‑platform expertise to ensure systems are reliable, performant...
- ...D2Consulting is seeking a Systems Administrator to support a classified intelligence customer in Springfield, VA. The role focuses on desktop support, endpoint management, and ensuring reliable computer systems for on-site and remote users. The position requires a TS/SCI...Remote work
$105k - $115k
...ACTIVE TS/SCI SECURITY CLEARANCE REQUIRED Transform technology into opportunity as a Systems Administrator with D2 Tech Services. A career in enterprise IT means connecting and enhancing the systems that matter most. At D2 Tech Services you’ll be at the forefront of innovation...Shift workNight shift- ...Employment Type Full Time, Senior-level Department Legal/IT Overview CGS is seeking a Senior Systems Administrator to join our team supporting a wide-ranging technical support initiative for a large Federal agency. CGS brings motivated, highly skilled, and creative people...Full timeContract workFor contractorsWork at office
- ...Overview VTG is seeking a skilled Systems Administrator to manage, maintain, and support enterprise IT infrastructure. This role is responsible for ensuring the reliability, security, and performance of servers, networks, and systems while supporting day-to-day operations...
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Systems Administrator. Be the first to apply!

