Windows Administrator jobs

Arlington, Virginia

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Today

Job#: 3028204 Job Description: Windows Administrator Location: Arlington, Virginia (Remote) Employment Type: Contract Role Overview We are seeking an experienced Windows Administrator to support and maintain Windows-based infrastructure that enables enterprise Identity, Credential, and Access Management (ICAM) services. This role focuses on secure Windows Server operations, Active Directory, automation, and compliance to support authentication, authorization, and identity services across th

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Full-time

USD 65.00 - 75.00 per hour

Windows Administrator (Secret Clearance)

Fort Belvoir, Virginia

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19d ago

WINDOWS ADMINISTRATOR (SECRET CLEARANCE REQUIRED) Location: Fort Belvoir, VA Work model:Preferred onsite in Fort Belvoir, VA (for mission support), but open to hybrid or fully remote for the right candidate. Employment Type: Direct Hire Compensation: $165-175,000/year OVERVIEW Were hiring a Windows Administrator to support and secure a Windows-based infrastructure that underpins enterprise Identity & Access Management (ICAM) servicesauthentication, authorization, and access. This role focuses o

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Full-time

$175000

Windows-VMware Administrator

Wichita, Kansas

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Yesterday

Role: Windows-VMware Administrator Location: Wichita, KS (On-site) Windows-VMware Tower Lead position at Onsite (US - Wichita), along with very good experience as a Windows-VMware Administrator managing entire Windows-VMware Track/Tower & Team in ITAR restricted environment. Core Skills: Primary Windows-VMware, ITSM process - supporting on-premise environments/Datacenter Secondary - Storage, Linux-AIX, Skills in supporting Public Cloud environment, Datadog Monitoring Job Function: Lead & suppo

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Contract

Depends on Experience

Windows System Administrator/Calgary

Calgary, Alberta

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Today

A growing technology services environment is looking for a senior System Administrator to act as a key escalation point and technical leader within a hybrid infrastructure spanning on-premises systems and Azure cloud services. This role blends operational ownership with project-based engineering, supporting Windows Server environments, virtualization platforms, and identity-driven cloud workloads. The position offers significant autonomy, exposure to diverse client environments, and the opportun

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Full-time

$85000 - $100000

Windows / Linux System Administrator

Maryland

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Today

Description & Requirements Maximus is seeking a Windows / Linux System Administrator to manage and support internal-use telephony systems for our Homeland Security customer. This role provides technical leadership for the configuration, maintenance, and troubleshooting of enterprise telephony infrastructure, with responsibilities spanning operating systems, networking, security, and application support. This position is on-site and requires a Secret Clearance. Maximus TCS (Technology and Consul

Full-time

USD 90,000.00 per year

Microsoft Windows Systems Administrator

Tyler, Texas

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6d ago

The Systems Administrator ensures the reliable, secure, and efficient operation of servers, networks, and enterprise systems while supporting continuous operational uptime for manufacturing, administrative, and field staff. In alignment with our core values, this role works collaboratively across departments because Together We Thrive, supporting teammates, customers, and partners with humility, respect, and a commitment to shared success. The Systems Administrator is reliable and accountable, c

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Full-time

Depends on Experience

Windows Systems Administrator III - Team Lead

Tempe, Arizona

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Today

Company Overview Iridium is the only truly global voice and data satellite communications network that connects people, organizations, assets, government and relief agencies with "on-the-move" availability. Together with its ecosystem of partners, Iridium delivers essential, reliable communications with an easy-to-integrate platform and service for improved efficiency. With more than 20 years of experience, Iridium delivers the next-generation of connectivity, Iridium Certus SM - the most versat

Full-time

Windows Systems Administrator

Los Altos, California

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Today

Description We're seeking a Senior Windows System Administrator to support a complex, hybrid on-prem environment with a strong emphasis on VDI, automation, and image management. This role is hands-on, fast-moving, and ideal for someone who can independently own systems, streamline workflows, and translate instructional or operational needs into reliable technical solutions. Key Responsibilities Administer and maintain Windows Server environments at a senior levelManage VMware Horizon (Omnissa)

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Contract

USD 50.67 - 58.01 per hour

Windows System Administrator

Maryland

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Today

MANTECH seeks a motivated, career and customer-oriented Windows System Administrator to join our team in Hanover, MD. You will be part of a dedicated team delivering enterprise infrastructure capabilities for a global workforce that supports a wide range of national defense missions. This role directly supports the Enterprise Infrastructure Services (EIS) organization?the foundation of all Enterprise Information Technology (EIT) for MPO. Responsibilities include but are not limited to: Creating

Full-time

Windows System Administrator

Chantilly, Virginia

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Today

Job Number: R0236063 Windows System Administrator The Opportunity : Are you looking for an opportunity to combine your technical skills with big picture thinking to make an impact in 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

Full-time

USD 86,800.00 - 198,000.00 per year

Direct Client - No layers - RHEL/ Windows Systems Administrator opening in Austin, TX

Austin, Texas

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Yesterday

Role: RHEL/ Windows Systems Administrator Location: Austin, TX Duration: 24 Months Rates: DOE Skills & Qualifications: Experience with RHEL 5/6/7/8/9, and Windows Server (2008-2022). Proficiency in system administration for both Linux (RHEL 5/6 and RHEL 7/8/9) and Windows environments. Advanced troubleshooting skills for legacy systems (RHEL 5/6 and older Windows versions). Experience with in-place upgrades and fresh installs for RHEL and older Windows versions to Windows Server. Familiarity

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Contract, Third Party

Lead Windows System Administrator

Burlington, New Jersey

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Today

Location: Burlington, NJ Salary: $95,000.00 USD Annually - $120,000.00 USD Annually Description: Our client is currently seeking a Lead Windows System Administrator Burlington, NJ Location: Primarily Remote (with occasional on-site presence ~4 days/month) Employment Type: Full-time Schedule: , with on-call rotation About the Role We are seeking a talented Lead Windows System Administrator to join our infrastructure team. You will play a critical role in managing and advancing Clients Mic

Contract

USD 95,000.00 - 120,000.00 per year

Senior Systems Administrator/Engineer - Windows

Rockville, Maryland

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Today

Software Guidance & Assistance, Inc., (SGA), is searching for a Senior Systems Administrator/Engineer - Windows for a CONTRACT assignment with one of our premier Regulatory clients in Rockville, MD or Tysons, VA. The Senior Systems Administrator/Engineer works under minimal supervision to design, implement, and maintain enterprise Windows infrastructure across hybrid cloud environments and on-premises data centers. This role combines traditional systems administration with modern DevOps prac

Contract

USD 85.71 - 87.00 per hour

Windows System Administrator

Hybrid in Lexington, Massachusetts

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17d ago

Description: Maintains operation of multi-user computer systems, including coordination of infrastructure and cloud responsibilities. Develops and designs core operating system builds. Responsible for coding, virtualization, and automation of systems. Sets up administrator and service accounts, maintains an active directory of users and system documentation, tunes system performance, installs system-wide software, and allocates mass storage space. Assesses and resolves user access problems relat

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Contract

60 - 92

Systems Administrator - Linux/Windows

No location provided

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Today

GovCIO is looking for a Systems Administrator 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 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 D

Full-time

USD 75,000.00 - 90,000.00 per year

Windows Systems Administrator

Reston, Virginia

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Today

Position Overview We are seeking a Senior Infrastructure Engineer to support and operate mission-critical, enclave-based environments across on-premises VMware infrastructure and AWS cloud. This role sits at the center of a high-security, high-availability ecosystem, supporting systems where downtime has real operational impact. You will be responsible for owning, stabilizing, and improving a complex hybrid environment consisting of both legacy and modern platforms. This is not a passive support

Full-time

USD 116,350.00 - 210,325.00 per year

Systems Administrator- Windows

Redlands, California

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Today

Overview Support the implementation and ongoing operation of enterprise applications and systems across on-premises and cloud environments. In this role, you will work alongside senior administrators and engineering partners to help maintain reliable services, automate routine operational tasks, and improve monitoring, alerting, and dashboarding. You will provide day-to-day operational support for research and development teams using enterprise and ArcGIS Online technologies while developing yo

Full-time

USD 70,304.00 - 79,040.00 per year

Windows System Administrator

Suitland-Silver Hill, Maryland

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Today

Windows Systems Administrator Location: Suitland, MD Clearance Required: Active TS/SCI Leidos is seeking an experienced Windows Systems Administrator to support critical mission operations at the Office of Naval Intelligence in Suitland, MD. This role is more than just IT-it's about enabling operations that shape national security. If you're ready to work with cutting-edge systems and make a real-world difference, we want you on our team. Primary Responsibilities: Administer MS Exchange, Data

Full-time

USD 92,300.00 - 166,850.00 per year

Windows Domain Administrator

Morrisville, North Carolina

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Today

Job Summary We are seeking an experienced Windows Domain Administrator to provide advanced support for a global engineering environment. The ideal candidate will have deep expertise in Active Directory infrastructure and Windows server technologies, with a strong track record of managing domain operations, troubleshooting complex issues, and supporting distributed teams through a ticket-based workflow. This role supports a fast paced, highly technical environment and requires exceptional probl

Full-time

USD 109,650.00 - 162,800.00 per year

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

McKinney, Texas

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15d ago

Date Posted: 2026-02-16 Country: United States of America Location: US-TX-MCKINNEY-513PW ~ 2501 W University Dr ~ PW BLDG 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 Type: DoD Clearance: Top Secret Security Clearance Status: Active and existing security clearance required on day 1 RTX Corporation is an Aerospace and Defense company

Full-time

USD 68,900.00 per year

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Windows Administrator jobs