Windows Server Administrator Jobs in Washington

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Senior Systems Administrator

ICF

•

Reston, Virginia, USA

Full-time

ICF is looking for a System Administrator to work with an Agile team to deliver value quicky, confidently, inexpensively, and securely. This position requires an active Department of Defense Top Secret (or higher) security clearance. Working at ICF means applying a passion for meaningful work with intellectual rigor to help solve the leading issues of our day. Smart, compassionate, innovative, committed, ICF employees tackle unprecedented challenges to benefit people, businesses, and government
Posted 9 days ago | Updated 5 hours ago

Sr Principal Systems Engineer - Active Directory Forests - Active Top Secret Required

General Dynamics

•

Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Complex Systems, Microsoft Windows Server, Systems Engineering, Systems Management, Troubleshooting Certifications: CompTIA - Security+ - CompTIA Experience: 15 + years of related experience ship Required: Yes Job Description: Sr Principal Systems Engineer -
Posted 60+ days ago | Updated 5 hours ago

Cyber Security Analyst, Senior

General Dynamics

•

Falls Church, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Cyber Security Job Qualifications: Skills: Computer Systems, Linux, Network Infrastructures, Operating System: Unix/Linux and Windows, Server Administration Certifications: CompTIA - Security+ - CompTIA Experience: 5 + years of related experience ship Required: Yes Job Description: Transform technology into
Posted 28 days ago | Updated 5 hours ago

Enterprise IT Infrastructure Manager

CACI International, Inc.

•

Fort Meade, Maryland, USA

Full-time

Enterprise IT Infrastructure Manager Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to 25% Type of Travel: Continental US * * * The Opportunity: As the Senior Infrastructure Manager, you will lead and oversee a team of eight administrators and engineers who are responsible for managing and maintaining the entire JWICS datacenter infrastructure for the Defense Information Syste
Posted 60+ days ago | Updated 28 days ago

Sr. Helpdesk Specialist

Leidos

•

Fort Belvoir, Virginia, USA

Full-time

Description Leidos is seeking an Tier 2 Helpdesk Specialist to support large-scale migration and operations on a large, high-profile DOD contract in Fort Belvoir, VA. The I3TS program provides enterprise-wide IT support to enable DTRA?s Information Management & Technology Directorate (ITD) to consolidate, modernize, and continuously innovate the delivery of IT services and mission capabilities to DTRA?s internal and external mission partners operating in CONUS and OCONUS locations. In this role
Posted 2 days ago | Updated 1 hour ago

System Administrator

Leidos

•

Chantilly, Virginia, USA

Full-time

Are you ready to make an impact? Leidos Chief Information Security Office within our Digital Modernization sector is seeking a System Administrator at our Liberty Center location in Chantilly, VA. You must currently have a TS/SCI clearance and be willing and able to pass and maintain a polygraph clearance. What will you do in this role? In this role you will provide technical analysis in Microsoft Server and Workstation planning, engineering, and design. This is an exciting opportunity to use
Posted 42 days ago | Updated 5 hours ago

Engineer - Technical Lead

Leidos

•

Washington, District of Columbia, USA

Full-time

Description Leidos is looking for an Engineer Technical Lead to support a large program within a Federal Law Enforcement Agency. The Engineer Technical Lead will support and manage Microsoft Endpoint Configuration Manager (MECM) and AdminStudio to optimize endpoint management processes. In this role, you will lead technical efforts related to the deployment, configuration, and maintenance of enterprise-level systems. You will also be responsible for developing scripts to automate processes and
Posted 4 days ago | Updated 5 hours ago

AWS Engineer

Guidehouse

•

McLean, Virginia, USA

Full-time

Job Family: IT Architecture/Cloud Travel Required: Up to 10% Clearance Required: None What You Will Do: Guidehouse is looking for an IT Senior Associate to be a part of our Cloud Management team, with a focus on management of our AWS environment. This individual will work in a team to manage our 900+ virtual machine infrastructure that supports the diverse needs of the organization. Administer and maintain all AWS subscriptions and resources User Management via IAM console and Okta Review AW
Posted 9 hours ago | Updated 2 hours ago

Systems Administrator/Configuration Management Analyst

Lockheed Martin Corporation

•

Springfield, Virginia, USA

Full-time

Job Description Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solutio
Posted 58 days ago | Updated 5 hours ago

Lead Systems Engineer (TS/SCI CIP - Onsite)

Deloitte

•

McLean, Virginia, USA

Full-time

Deloitte's Government and Public Services (GPS) practice - our people, ideas, technology and outcomes-is designed for impact. Serving federal, state, & local government clients as well as public higher education institutions, our team of over 15,000+ professionals brings fresh perspective to help clients anticipate disruption, reimagine the possible, and fulfill their mission promise. Are you looking to make an immediate impact where you can help our clients solve their business challenges? Del
Posted 33 days ago | Updated 5 hours ago

Lead Systems Engineer (TS/SCI CIP - Onsite)

Deloitte

•

Arlington, Virginia, USA

Full-time

Deloitte's Government and Public Services (GPS) practice - our people, ideas, technology and outcomes-is designed for impact. Serving federal, state, & local government clients as well as public higher education institutions, our team of over 15,000+ professionals brings fresh perspective to help clients anticipate disruption, reimagine the possible, and fulfill their mission promise. Are you looking to make an immediate impact where you can help our clients solve their business challenges? Del
Posted 33 days ago | Updated 5 hours ago

Sr. Helpdesk Specialist

Leidos

•

Fort Belvoir, Virginia, USA

Full-time

Leidos is seeking an Tier 2 Helpdesk Specialist to support large-scale migration and operations on a large, high-profile DOD contract in Fort Belvoir, VA. The I3TS program provides enterprise-wide IT support to enable DTRA's Information Management & Technology Directorate (ITD) to consolidate, modernize, and continuously innovate the delivery of IT services and mission capabilities to DTRA's internal and external mission partners operating in CONUS and OCONUS locations. In this role, a successf
Posted 22 days ago | Updated 5 hours ago

Microsoft Defender Systems Engineer

Booz Allen Hamilton

•

Washington, District of Columbia, USA

Full-time

Job Number: R0218800 Microsoft Defender Systems Engineer Key Role: Support a client implementing the Microsoft Defender solution and supporting the transition to emerging Microsoft technologies. Support the Cyber Architecture development, implementation, and sustainment across multiple networks of different classification levels. Assist with the implementation of the Microsoft Defender Suite, including Microsoft Defender for Endpoint (MDE), Microsoft Defender for O365 (MDO), Microsoft Defender f
Posted 20 days ago | Updated 6 hours ago

Systems Administrator

SAIC

•

Washington, District of Columbia, USA

Full-time

Job ID: 2505192 Location: WASHINGTON, DC, US Date Posted: 2025-04-30 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Evening Job Travel: No Minimum Clearance Required: Top Secret Clearance Level Must Be Able to Obtain: TS/SCI Potential for Remote Work: No Description SAIC is seeking a Systems Administrator to support a large federal government agency. Employee will perform on-site, at a secure government location on one of three shifts, inclu
Posted 11 days ago | Updated 3 hours ago

Windows Systems Administrator - TS/SCI w/ Poly

Parsons Services Company

•

McLean, Virginia, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Parsons is looking for a talented Systems Administrator to join our team! In this sp
Posted 60+ days ago | Updated 5 hours ago

Systems Administrator - Active Directory Forests - Active Top Secret clearance required

General Dynamics

•

Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Active Directory (AD), Operating Systems (OS), System Administration Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: Systems Administrator - Active Directory Forests - Active Top Secret Required Seize your opp
Posted 60+ days ago | Updated 5 hours ago

SharePoint Systems Administrator

Leidos

•

Alexandria, Virginia, USA

Full-time

Description Unleash Your Potential At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer's success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. If this sounds like an environment where you can thrive, keep readin
Posted 9 days ago | Updated 17 hours ago

Enterprise Management Tools ? Systems Engineer TS/SCI w/Poly

General Dynamics Information Technology

•

Maryland, 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: Job Family: Systems Engineering Job Qualifications: Skills: Management Tools, System Administration, Systems ManagementCertifications: Comp TIA Security - CompTIAExperience: 5 + years of related experienceship Required: Yes Job Description: Enterprise Management Tools ? Systems Engineer Deliver simple
Posted 60+ days ago | Updated 2 hours ago

Windows Engineer (Local VA W2 Candidates Only)

Silver Xis, Inc.

•

Remote

Contract

Windows Engineer - 762088 REMOTE Clifton Forge, VA 24422 $55 per hour W2 Windows Engineer REMOTE *Candidates must live in Virginia and be able to go to Clifton Forge, VA location to pick up laptop *Candidates must be willing to come to Clifton Forge, VA once every 45-60 days *Candidates must live in Virginia and be able to go to Clifton Forge, VA (not Clifton, VA) location to pick up laptop *Candidates must be willing to come to Clifton Forge, VA once every 45-60 days for staff meeting **Microso
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Posted 17 days ago | Updated 12 days ago

Systems Administrator - TS/SCI with Polygraph

General Dynamics Information Technology

•

Chantilly, 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: Active Directory (AD), Microsoft Windows Server, System Administration Certifications: None Experience: 1 + years of related experience ship Required: Yes Job Description: General Dynamics Information Technology (GDIT) is seeking a
Posted 60+ days ago | Updated 19 hours ago