4,016 Results for

Systems Administrator Jobs in Northern Virginia, VA

Jobs

Splunk Administrator Leidos

Suitland, MD

$107,900–$195,050 / year

If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . August 31, 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.

16 days ago

Systems Integration Technician Leidos

Arlington, VA

$69,550–$125,725 / year

If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . Experience with ACAS, Azure, DHCP, DNS, HBSS, Hyper-V, Microsoft 365, MECM, SharePoint, SMTP, and Active Directory, as well as an understanding of help desk ticketing tools including Microsoft System Center and ServiceNow.

6 days ago

Information System Security Officer Leidos

Springfield, VA

$107,900–$195,050 / year

The Digital Sector at Leidos currently has an opening for an Information System Security Officer (MID) supporting the Homeland Enterprise Information Technology Secure Services and Support (HEITS) Contract as part of the Department of Homeland Security (DHS) Insider Threat Program (ITP). The ITP mission is to identify insider threats to the department by utilizing advanced analytics, monitoring, and data correlation which in turn help address and eliminate potential threat actors from compromising the DHS mission in safeguarding the homeland.

30+ days ago

Dialysis Facility Administrator U.S. Renal Care

Bowie, MD

Continuously monitor to ensure that a safe and sanitary physical environment is maintained throughout the facility; that all equipment is maintained and functions properly; and that adequate and appropriate inventory levels of all supplies are available and used correctly. STAFF DEVELOPMENT/ RETENTION Ensure all staff meet required qualifications for position held and perform duties within limitations established by and in accordance with company policy/procedures, health care professionals practice acts, applicable state and federal laws and regulations.

30+ days ago

Systems Administrator Amentum

Hanover, Maryland

$140,000–$190,000 / year

The Windows Systems Administrator will be involved in the testing, preparation and deployment of Active Directory GPO’s and RBAC as well as automated server and workstation imaging and patching utilizing Windows MCM. responsible for completing all training requirements and fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks and serving on safety committees and teams.

30+ days ago

Windows Systems Administrator Bart & Associates

Alexandria, VA

$140,000–$200,000 / year

B&A is proud to offer three robust individual and family medical plans to full time employees, including a Health Savings Account (HSA) option as well as two tiers of dental coverage, vision, life & AD&D, disability, accident, hospital indemnity, and critical illness insurance. In recognition of all these efforts, B&A has been named a Companies as Responsive Employers (CARE) award recipient by Northern Virginia Family Services and nominated by the Northern Virginia Chamber of Commerce for Outstanding Corporate Citizenship Award.

30+ days ago

Windows Systems Administrator Bart & Associates Inc

Alexandria, VA

$140,000–$200,000 / year

In recognition of all these efforts, B&A has been named a Companies as Responsive Employers (CARE) award recipient by Northern Virginia Family Services and nominated by the Northern Virginia Chamber of Commerce for Outstanding Corporate Citizenship Award. B&A is proud to offer three robust individual and family medical plans to full time employees, including a Health Savings Account (HSA) option as well as two tiers of dental coverage, vision, life & AD&D, disability, accident, hospital indemnity, and critical illness insurance.

30+ days ago

Windows Systems Administrator - TS/SCI w/Polygraph General Dynamics Information Technology

McLean, Virginia

Demonstrated experience with Windows systems engineering and administration, including MSSQL databases, Active Directory Certificate Services (ADCS), VM clusters, Hyper-V, Data Protection Manager, and PowerShell scripting. To 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.

4 days ago

Senior Linux/Windows Systems Administrator Ascension Federal Services

Springfield, Virginia

Location: Springfield, VA Clearance: TS/SCI Position Overview: The Linux/Windows Systems Administrator is responsible for the design, implementation, maintenance, and security of the organization's Linux and Windows server infrastructure. Scripting and Automation: Develop and maintain scripts using Bash, Python, or PowerShell to automate routine tasks, streamline processes, and improve system efficiency.

30+ days ago

Sr. Windows Systems Administrator Astrion

Columbia, Maryland

$145,000–$165,000 / year

Astrion has an exciting opportunity for a highly experienced Senior Windows Administrator to build, secure, and sustain the Windows Server estate, the Windows 11 workstation fleet, and the Active Directory and Windows network services that run across three or more isolated classified networks supporting Department of Defense/Department of War (DoD/DoW) environments in Columbia, MD. The ideal candidate brings deep Windows Server and Active Directory expertise, extensive experience operating inside closed and air-gapped classified enclaves, and a proven record of building and maintaining systems in compliance with Risk Management Framework (RMF) , DoD STIG , and Comply-to-Connect (C2C) requirements.

20 days ago

Sr. Windows Systems Administrator TS/SCI Poly Leidos Holdings Inc

Annapolis Junction, MD

$116,350–$210,325 / year

This role also includes supporting server, router, and firewall configuration, as well as performing security management and application performance optimization activities in an environment made up of VMware server hosts, Windows and Linux guest servers, and Virtual Desktop Infrastructure (VDI). Managing Information Assurance Vulnerability Alerts (IAVAs) and system security scanning in accordance with applicable System Security Plans, ensuring vulnerabilities are identified and remediated quickly and accurately.

30+ days ago

Linux/Windows Systems Administrator - Secret Clearance PROLIM Global Corporation

Maryland, MD

Maintain smooth operation of all computer infrastructure in a multi-user computer system environment, including coordination of efforts with systems, software, and electrical design engineers, Information Systems Security Officers, PC desktop technicians, end users, network engineers, program/project managers, and IT management. Current DoD Secret security clearance (at a minimum), to include a closed investigation date completed within the last 6 years, or must be enrolled in the DoD Continuous Evaluation (CE) Program, in order to be considered; the required security clearance must be maintained as a condition of continued employment.

5 days ago

Windows Systems Administrator (Journeyman) Active Secret Peraton

Beltsville, Maryland

$112,000–$179,000 / year
Full time

Must hold (or obtain prior to start) at least one approved certification, maintained as a condition of employment: CASP+ CE, CCNA Cyber Ops, CCNA‑Security, CCNP Security, CEH, CFR, CISA, CISSP (or Associate), Cloud+, CySA+, GCED, GCIA, GCIH, GICSP, SCYBER, VCA‑DCV, PPDA, Agile IC, or SNOW App Dev. Experience with enterprise technologies such as Windows Server, Active Directory, virtualization platforms (e.g., Nutanix), and monitoring tools (e.g., Splunk, SolarWinds), along with basic familiarity with Linux operating systems given the primarily Linux-based environment.

24 days ago

Sr. Windows Systems Administrator TS/SCI Poly Leidos

Annapolis Junction, Maryland

This role also includes supporting server, router, and firewall configuration, as well as performing security management and application performance optimization activities in an environment made up of VMware server hosts, Windows and Linux guest servers, and Virtual Desktop Infrastructure (VDI). • Managing Information Assurance Vulnerability Alerts (IAVAs) and system security scanning in accordance with applicable System Security Plans, ensuring vulnerabilities are identified and remediated quickly and accurately.

24 days ago

Windows Systems Administrator The Josef Group

Columbia, Maryland

Required: Bachelor’s degree in a technical discipline and 15 years’ experience as a System Administrator, OR High school diploma and 20 years’ experience as a System Administrator. Ability to demonstrate cyber/IT related experience with attention to detail, customer service, oral and written communication, and problem solving.

30+ days ago

Windows Systems Administrator - TS/SCI w/Polygraph GD Information Technology

McLean, Virginia

4 days ago

Sr. Windows Systems Administrator Axient LLC

Columbia, MD

$145,000–$165,000 / year

Astrion has an exciting opportunity for a highly experienced Senior Windows Administrator to build, secure, and sustain the Windows Server estate, the Windows 11 workstation fleet, and the Active Directory and Windows network services that run across three or more isolated classified networks supporting Department of Defense/Department of War (DoD/DoW) environments in Columbia, MD. The ideal candidate brings deep Windows Server and Active Directory expertise, extensive experience operating inside closed and air-gapped classified enclaves, and a proven record of building and maintaining systems in compliance with Risk Management Framework (RMF), DoD STIG, and Comply-to-Connect (C2C) requirements.

30+ days ago

Senior Windows Systems Administrator ManTech International Corp

Chantilly, VA

$128,000–$214,400 / year

There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

15 days ago

Senior AWS Windows Systems Administrator VTG

Springfield, Virginia

Full time

This pivotal role focuses on the end-to-end installation, management, and optimization of the Windows-based servers hosting this platform within a secure Amazon Web Services (AWS) cloud environment. Overview: We are seeking a highly skilled and motivated Senior Windows Systems Administrator to join our project team delivering and supporting a COTS platform for our government customer in Springfield, VA.

16 days ago

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Systems Administrator Jobs in Northern Virginia, VA

Splunk Administrator Leidos

Systems Integration Technician Leidos

Information System Security Officer Leidos

Dialysis Facility Administrator U.S. Renal Care

Systems Administrator Amentum

Windows Systems Administrator Bart & Associates

Windows Systems Administrator Bart & Associates Inc

Windows Systems Administrator - TS/SCI w/Polygraph General Dynamics Information Technology

Senior Linux/Windows Systems Administrator Ascension Federal Services

Sr. Windows Systems Administrator Astrion

Sr. Windows Systems Administrator TS/SCI Poly Leidos Holdings Inc

Linux/Windows Systems Administrator - Secret Clearance PROLIM Global Corporation

Windows Systems Administrator (Journeyman) Active Secret Peraton

Sr. Windows Systems Administrator TS/SCI Poly Leidos

Windows Systems Administrator The Josef Group

Windows Systems Administrator - TS/SCI w/Polygraph GD Information Technology

Sr. Windows Systems Administrator Axient LLC

Senior Windows Systems Administrator ManTech International Corp

Senior AWS Windows Systems Administrator VTG

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