Windows Administrator Jobs in Washington

1 - 20 of 493 Jobs

Windows AdministratorJob Title - Windows Administrator

Maximus, Inc.Company Name - Maximus, Inc.

•

Maryland, USA

Full-time

Description & Requirements Maximus is seeking a Senior Windows Administrator to join our team. As a Senior Windows Administrator, you will be responsible for overseeing the design, implementation, and maintenance of windows-based servers and systems. Your role will involve managing server infrastructure, troubleshooting issues, and ensuring the reliability and security of the Windows environment. This position is an onsite role, 5 days a week and requires a secret clearance. Maximus TCS (Technol

Windows Systems AdministratorJob Title - Windows Systems Administrator

LeidosCompany Name - Leidos

•

Arlington, Virginia, USA

Full-time

We are currently seeking a Windows Systems Administrator to join the Compartmented Enterprise Services Office (CESO) effort. This program is establishing a modern secure web service (SWS) operation as part of a state-of-the-art, highly automated platform capable of supporting a rapidly expanding customer population. Apply today to become part of the Leidos team that is assisting CESO as they migrate to a high security cloud environment by providing network and communication services, monitoring

Windows Systems AdministratorJob Title - Windows Systems Administrator

SAICCompany Name - SAIC

•

Adelphi, Maryland, USA

Full-time

Job ID: 2507346 Location: ADELPHI, MD, US Date Posted: 2025-07-08 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Top Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is seeking a proven Windows Systems Administrator to join the Army Research Laboratory (ARL) Information Technology (IT) Modernization program and support the full range of Enterpris

Windows System Administrator (Onsite - TS/SCI Clearance Required)Job Title - Windows System Administrator (Onsite - TS/SCI Clearance Required)

RTX CorporationCompany Name - RTX Corporation

•

Arlington, Virginia, USA

Full-time

Date Posted: 2025-07-03 Country: United States of America Location: VA111: 1300 N 17th Street, Arlington 1300 North 17th Street Suite 400, Arlington, VA, 22209 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: TS/SCI with Polygraph RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for com

Senior Systems Administrator (Windows/Linux)Job Title - Senior Systems Administrator (Windows/Linux)

American Systems CorporationCompany Name - American Systems Corporation

•

Washington, District of Columbia, USA

Full-time

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. THIS POSITION INCLUDES A $5,000 SIGN-ON BONUS! Responsibilities As a Senior Systems Administrator, you will: Support on-premises Windows and Linux infrastructure and applications.Provide Tier II support for production and devel

Windows Linux Systems Administrator - TS/SCI with PolygraphJob Title - Windows Linux Systems Administrator - TS/SCI with Polygraph

General DynamicsCompany Name - General Dynamics

•

Fort Belvoir, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Linux, System Administration, Windows Applications Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: General Dynamics Information Technology (GDIT) is looking for a skilled IT Syste

Windows System Administrator (SA2) (Government)Job Title - Windows System Administrator (SA2) (Government)

AT&T Inc.Company Name - AT&T Inc.

•

Columbia, Maryland, USA

Full-time

Job Description: AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers' mission. RIS I is the delivery of regional IT services to the end user. We offer support of end user devices including desktop, w

Systems Administrator (Windows / Linux) / Hybrid: Highlands Ranch, COJob Title - Systems Administrator (Windows / Linux) / Hybrid: Highlands Ranch, CO

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

•

Remote or Highlands Ranch, Colorado, USA

Full-time

Job Description Lockheed Martin's Enterprise Business & Digital Transformation (EBDT) organization employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 people works with partners around the world to bring proven performance to our customers' toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries.

Windows / Linux Systems Administrator - REMOTE (ship required)Job Title - Windows / Linux Systems Administrator - REMOTE (ship required)

Oracle CorporationCompany Name - Oracle Corporation

•

Remote

Full-time

Job Description Building off our Cloud momentum, Oracle has formed a new organization - Oracle Health Applications & Infrastructure. This team will focus on product development and product strategy for Oracle Health, while building out a complete platform supporting modernized, automated healthcare. This is a net new line of business, constructed with an entrepreneurial spirit that promotes an energetic and creative environment. We are unencumbered and will need your contribution to make it a w

Senior Systems Administrator (Linux/Windows)Job Title - Senior Systems Administrator (Linux/Windows)

GovCIOCompany Name - GovCIO

•

Remote

Full-time

Overview GovCIO is hiring for a Senior Systems Administrator (Linux and Windows) to provide on-going support for the administration of the core system applications and perform operational tasks such as monitoring system resources and perform routine maintenance tasks in support of 24x7 life cycle applications to include on-call support. Work location is in Washington, DC and will be a hybrid remote with periodic onsite customer work activities. Must be willing to work nights, have an active Sec

Systems Administrator - Linux/WindowsJob Title - Systems Administrator - Linux/Windows

GovCIOCompany Name - GovCIO

•

Remote

Full-time

Overview Provide on-going support for the administration of the core system applications and perform operational tasks such as monitoring system resources and perform routine maintenance tasks in support of 24x7 life cycle applications to include on-call support. Work location is hybrid with periodic customer site work activities. Must be willing to work nights, have a Security+ certification, and an active Top Secret clearance. Responsibilities Position Description: In this role you will: Pr

Systems Administrator - HybridJob Title - Systems Administrator - Hybrid

The Dignify Solutions, LLCCompany Name - The Dignify Solutions, LLC

•

Herndon, Virginia, USA

Third Party, Contract

5+ years of experience in an IT enterprise System Admin role or Cloud Admin position 4+ years with PowerShell scripting for automation, extremely fluent in PowerShell and command lines Experience with Windows firewalls Expert level Microsoft Azure Administrator Expert level Windows admin skills (Active Directory, DNS, Group Policy) Must be able to go onsite 3x per week in Herndon, VA Professional industry certifications in area of expertise, certification such as MCSE, MCITP, Microsoft Azure Fun

Systems AdministratorJob Title - Systems Administrator

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

•

Arlington, Virginia, USA

Full-time

Job Number: R0222814 Systems Administrator The Opportunity: Are you looking for an opportunity to combine your technical skills with big-picture thinking to make an impact at Booz Allen? You understand your customer's environment and how to develop the right systems for their mission. Your ability to translate real-world needs into technical specifications makes you an integral part of delivering a customer-focused engineering solution. Booz Allen is seeking a skilled Windows System Administrat

Cloud Support Engineer - TS ClearanceJob Title - Cloud Support Engineer - TS Clearance

Dunhill Professional SearchCompany Name - Dunhill Professional Search

•

Reston, Virginia, USA

Full-time

Serve as a part of the incident management team in a 24X7 Microsoft Azure environment. Candidate will diagnose, mitigate and/or escalate system issues to maintain a high level of system/platform availability. Candidate will serve as a part of the Live Site work stream and will require an understanding of core Windows Azure components and tools to diagnose issues. Duties and Responsibilities Responds to incident tickets in a 24x7 operational environment to meet SLA objectives. Troubleshoots syst

Cloud Support Engineer I - TS/SCI w/ FSPJob Title - Cloud Support Engineer I - TS/SCI w/ FSP

Dunhill Professional SearchCompany Name - Dunhill Professional Search

•

Reston, Virginia, USA

Full-time

Support the Army Research Laboratory (ARL) Information Technology (IT) Modernization ProgramJob Title - Support the Army Research Laboratory (ARL) Information Technology (IT) Modernization Program

SAICCompany Name - SAIC

•

Adelphi, Maryland, USA

Full-time

Job ID: 2506061-ADELPHI-MD Location: ADELPHI, MD, US Date Posted: 2025-05-23 Category: Information Technology Subcategory: Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: Top Secret Potential for Remote Work: No Description SAIC is seeking incumbents and external talent to join the Army Research Laboratory (ARL) Information Technology (IT) Modernization program and support the full range of Ente

IT AdministratorJob Title - IT Administrator

ConsultNet, LLCCompany Name - ConsultNet, LLC

•

Vienna, Virginia, USA

Full-time

IT Administrator Bethesda, MD 6-month Contract-to-Hire $50 to $55 per hour with a conversion salary of $95K to $105K Job Description: IT Administrator Seeking a skilled IT Administrator to design, configure, monitor, and maintain IT systems and infrastructure. This role involves managing network performance, overseeing server maintenance, providing hardware and software support, and troubleshooting issues. The IT Administrator will collaborate with various departments to implement technology so

Active Directory EngineerJob Title - Active Directory Engineer

ALTA IT ServicesCompany Name - ALTA IT Services

•

Springfield, Virginia, USA

Full-time

Job Title: Active Directory Engineer Location: Springfield, VA Type: Contract To Hire Contractor Work Model: Onsite Security Clearance: TS/SCI CI Poly Contact: Senior Active Directory Engineer to support the planning, building, and operations of a large, globally accessed, hybrid cloud computing system. The Senior Active Directory Engineer provides support, implementation, and design services for Microsoft Active Directory and Windows-based systems across the enterprise, including directory and

Windows Server AdministratorJob Title - Windows Server Administrator

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

•

Maryland, USA

Full-time

Job Number: R0222982 Windows Server Administrator The Opportunity: Are you looking for an opportunity to combine your technical skills with big-picture thinking to make an impact at Booz Allen? You understand your customer's environment and how to develop the right systems for their mission. Your ability to translate real-world needs into technical specifications makes you an integral part of delivering a customer-focused engineering solution. Booz Allen is seeking a skilled Windows System Adm

FLEX Cloud Infrastructure Security Automation EngineerJob Title - FLEX Cloud Infrastructure Security Automation Engineer

Marriott InternationalCompany Name - Marriott International

•

Bethesda, Maryland, USA

Full-time

Job Description This is a temporary position. CLOUD INFRASTRUCTURE SECURITY AUTOMATION ENGINEER Experience in securing Windows and Linux through hardening components according to CIS benchmark or similar standards Demonstrable expertise in DevOps engineering, systems engineering, with a background in computer science and/or software development Demonstrable skill in DevOps automation, GitOps, and pipeline development using tools like Jenkins or Harness, Git, and Ansible Script development expe