Senior Windows Administrator jobs

Rensselaer, New York

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Today

The New York Independent System Operator (NYISO) manages the efficient flow of electricity on more than 11,000 circuit-miles of high-voltage transmission lines, dispatching power from hundreds of generating units across the state. The New York Independent System Operator (NYISO) applies cutting-edge technology to operating a reliable electricity system, managing competitive markets for wholesale electricity, and planning for the Empire State's energy future. The NYISO's Information Technology d

Full-time

USD 92,300.00 - 153,900.00 per year

Senior Windows Administrator

Huntsville, Alabama

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Today

Overview Intrepid, an SPA Company, brings more than 20 years of experience supporting the Department of Defense and U.S. Government, consistently setting the standard for excellence in the federal marketplace. Committed to advancing the mission of the U.S. Warfighter, Intrepid leverages technological superiority to deliver innovative solutions across air, space, land, and sea domains. We are proud to foster a collaborative, dynamic work environment, offering competitive compensation and an indu

Full-time

Senior Windows Administrator

New York, New York

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Today

Join Mizuho as a Senior Windows Administrator! The ideal candidate will have extensive knowledge in managing, configuring, and supporting Windows server environments to ensure optimal performance, security, and reliability. In this role, you will manage overseeing complex infrastructure projects, leading initiatives to enhance system efficiency, and collaborating with cross-functional teams to align technology solutions with business goals. The successful candidate is detail-oriented, analytica

Full-time

USD 111,000.00 - 155,000.00 per year

Senior Windows System Administrator

Albuquerque, New Mexico

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Today

Overview Edgewater Federal Solutions is seeking a Senior Windows System Administrator to support a major national laboratory. Responsibilities Monitor, maintain, and repair physical and virtual server systems. Resolve technical issues affecting hardware, operating systems, or applications. Apply operating system or application patches, install or replace hardware, and implement configuration changes to improve or restore system performance. Perform system capacity analysis and planning. Assist

Full-time

Senior Windows Systems Administrator

Dahlgren, Virginia

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Today

Overview Job specifications are intended to present a descriptive list of the range of duties performed by employees. Specifications are not intended to reflect all duties performed within the job. SUMMARY: The Senior Windows Systems Administrator shall demonstrate experience in systems administration in the following operating systems: Windows. The specialized experience includes Windows system administration of WSUS and third party solutions, GPOs Windows Server and Windows Workstations, Th

Full-time

USD 52.00 per hour

Senior Windows Desktop Systems Administrator

Dahlgren, Virginia

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Today

Overview Job specifications are intended to present a descriptive list of the range of duties performed by employees. Specifications are not intended to reflect all duties performed within the job. SUMMARY: The Senior Systems Administrator shall demonstrate experience in systems administration in the following operating systems: UNIX, Linux, or Windows. The specialized experience includes Linux system administration of Redhat and security setup and updates (IAVA's); UNIX system administration

Full-time

USD 64.00 per hour

Windows Senior System Administrator

Germantown, Maryland

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Today

Overview Edgewater Federal Solutions is currently seeking a cleared Windows Server System Administrator to provide support to the DOE Office of Environment, Health, Safety and Security (EHSS) contract located in Germantown, MD. The position has a focus on Windows Server system administration. Opportunities to be involved in other technologies are available. You will be part of a tenured and nurturing team to further develop your technical skills while supporting the security of the nation. This

Full-time

USD 100,000.00 - 120,000.00 per year

Senior Windows IT Server Systems Administrator

Dahlgren, Virginia

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Today

Overview Job specifications are intended to present a descriptive list of the range of duties performed by employees. Specifications are not intended to reflect all duties performed within the job. SUMMARY: The Senior Systems Administrator shall demonstrate experience in systems administration in the following operating systems: UNIX, Linux, or Windows. The specialized experience includes Linux system administration of Redhat and security setup and updates (IAVA's); UNIX system administration

Full-time

USD 64.00 per hour

Windows Desktop Administrator - Senior System Administrator

Offutt Air Force Base, Nebraska

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Today

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: IT Infrastructure and Operations Job Qualifications: Skills: Help Desk Support, Microsoft Office, System Administration Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: Command is responsible for strategic deterrence, nuclear operations, and enterprise IT ser

Full-time

USD 85,093.00 - 110,400.00 per year

Windows Administrator (Annapolis Junction, MD)

Maryland

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Today

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 is an onsite position in Annapolis Junction, MD, requiring five days per week onsite and an act

Full-time

USD 70,000.00 per year

Windows Administrator (Colorado Springs, CO)

Colorado Springs, Colorado

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Today

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 is an onsite position in Colorado Springs, CO, requiring five days per week onsite and an activ

Full-time

USD 70,000.00 per year

Sr Windows Admin

Littleton, Colorado

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Today

Job#: 3040741 Job Description: Sr. Windows Administrator Littleton, CO (Onsite) Requirements: Candidates must be able to obtain and/or maintain a Department of Defense --Secret clearance as a condition and continuation of employmentIAT Level II certification (Sec+, CND, CySA+, CCNA Security) The selected candidate will function as part of the IT support team; managing multiple closed environments, ensuring patching, STIGing, and infrastructure deployments for their assigned programs. They will

Easy Apply

Full-time

$75 - $100 per hour

System Administrator III - Windows/SCCM/MECM

Montgomery, Alabama

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Today

- Can you build/architect a SCCM/MECM system from scratch? If so, please read on. 20150 - System Admin Montgomery, AL (onsite) CBU: HMMA Company Overview: Hyundai AutoEver America (HAEA) is the dynamic IT powerhouse behind Hyundai Motor Corporation, a Fortune 500 global leader in the automotive industry. As a key affiliate, we provide cutting-edge IT services and support to top brands including Kia, Genesis, Hyundai Translead, Hyundai Mobis, Hyundai Capital, and Glovis. HAEA offers a truly

Full-time

USD 78,880.00 - 108,500.00 per year

Senior Microsoft Systems Administrator

Montgomery, Alabama

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5d ago

Role Summary A Senior Microsoft Systems Administrator is responsible for leading efforts to enhance the security posture of Windows servers and workstations through comprehensive implementation of NIST SP 800-53 security controls. This role involves configuring, hardening, and maintaining Microsoft environments in alignment with cybersecurity standards, ensuring ongoing compliance and security. It is a senior-level position suited for candidates with extensive experience in Microsoft systems adm

Easy Apply

Contract, Third Party

Depends on Experience

Systems Administrator, Lead (Linux/Windows)

Arlington, Virginia

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Today

Overview AMERICAN SYSTEMS, a 100% employee-owned federal contracting company, is seeking a Lead Systems Administrator with strong Linux CLI and Windows administration experience to support a Special Access Program in Arlington, VA. This role focuses on owning and optimizing enterprise Linux & Windows infrastructure across multiple datacenters, partnering with cybersecurity and engineering teams, and providing Tier support for systems that cannot fail. Role includes a $5,000 sign-on bonus in

Full-time

USD 150,000.00 per year

Principal Windows Systems Administrator

Huntsville, Alabama

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Today

About Zaden Technologies, Inc. Join Zaden Technologies on our mission to simplify the delivery and improve the utility of software products for our customers. At Zaden, we believe that our employees are our greatest assets. We hire the right candidates with the right skill sets who fit our culture of customer obsession, innovation, and continuous learning. We are our customer's biggest advocate and we are looking for like-minded individuals who encompass these same ideals. It is important to us

Full-time

USD 130,000.00 - 170,000.00 per year

Senior IT Systems Admin - Windows/VMWare

Miami, Florida

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Today

RESPONSIBILITIES: Kforce has a client that is seeking a Senior IT Systems Admin - Windows/VMWare in Miami, FL for 12 months. Overview: We are seeking a dynamic Senior IT Systems Administrator with expertise in Windows and VMware technologies who can excel in both project leadership and operational excellence. This role requires a strategic thinker who can drive complex infrastructure projects while maintaining operational stability across multiple datacenters, demonstrating strong organizationa

Contract

$35 - $40 hourly

Senior Engineer - Windows Platform

Burlington, New Jersey

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Today

Location: Burlington, NJ Salary: $120,000.00 USD Annually - $145,000.00 USD Annually Description: Position: Senior Engineer - Windows Platform Location: Edgewater Park, NJ (Hybrid) Description Summary: The Senior Engineer, Windows Platform is responsible for the engineering, automation, reliability, security, and lifecycle management of Client enterprise Microsoft infrastructure platforms across corporate, distribution center, store, and cloud environments. This role shares ownership over the

Contract

USD 120,000.00 - 145,000.00 per year

Senior Server Windows Engineer

Washington, District of Columbia

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Today

Job ID: 2613807 Location: Washington, DC, US Date Posted: 2026-06-17 Category: Information Technology Subcategory: IT Systems Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_ON_SITE Description The Senior Server Windows Engineer will provide systems administration and migration support for over 2000 windows operating on-premises and cloud tenants/environments with

Full-time

USD 80,001.00 - 120,000.00 per year

Senior Systems Administrator(Azure) - Local Candidates Only

Hybrid in Herndon, Virginia

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10d ago

Techwish is seeking a Senior Systems Administrator (Azure) for a 12-month contract engagement with one of its clients in Herndon, VA. This is a hybrid position, requiring the consultant to work onsite three days per week. SENIOR SYSTEM CLOUD ADMINISTRATOR Required Skills and Experience: - 5+ years of experience in an IT enterprise System Admin role or Cloud Admin position - 4+ years with PowerShell or bash scripting for automation - Experience with Ansible for deployments - Experience with Firew

Easy Apply

Contract

$60 - $65