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

Remote or Roanoke, Virginia

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Today

Overview Empower AI is AI for government. Empower AI gives federal agency leaders the tools to elevate the potential of their workforce with a direct path for meaningful transformation. Headquartered in Reston, Va., Empower AI leverages three decades of experience solving complex challenges in Health, Defense, and Civilian missions. Our proven Empower AI Platform provides a practical, sustainable path for clients to achieve transformation that is true to who they are, what they do, how they wo

Full-time

USD 87,320.00 per year

Urgent need on Sr. SCCM / Windows Administrator, TX

Dallas, Texas

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30+d ago

VERY URGENT REQUIREMENT Title: Sr. SCCM / Windows Administrator Location: Dallas TX (Onsite) Duration: 6-12 Months+ Job Summary: Required Skills and Years of Experience Systems Center Configuration Manager (SCCM/MECM) Administration Minimum of 7 years of experience installing, configuring, administering, and supporting enterprise SCCM/MECM infrastructures. Extensive experience troubleshooting SCCM site systems, management points, distribution points, software update points, and client deplo

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Contract

Depends on Experience

Senior Windows Systems Administrator

No location provided

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Today

Overview DecisionPoint is seeking an experienced Senior Windows Systems Administrator to serve as a technical SME supporting enterprise Microsoft Windows Server, Active Directory, and IIS environments. The role requires advanced expertise in Windows administration, Active Directory, Group Policy, DNS, IIS, authentication, networking, and system troubleshooting. Responsibilities include maintaining mission-critical systems, resolving complex production issues, supporting virtualized environments,

Full-time

Sr. Windows Systems Administrator TS/SCI Poly

Annapolis, Maryland

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Today

Senior Windows System Administrator; requires TS/SCI Polygraph up front. Leidos has a new and exciting opportunity for a Senior Windows System Administrator in our Intel Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off,

Full-time

USD 116,350.00 - 210,325.00 per year

Sr. SCCM / Windows Administrator at Dallas, TX (100% Onsite)

Dallas, Texas

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30+d ago

VERY URGENT REQUIREMENT Title: Sr. SCCM / Windows Administrator Location: Dallas TX (100% Onsite) Duration: 6-12 Months+ Rate: $53-$60/Hr Job Summary: Required Skills and Years of Experience Systems Center Configuration Manager (SCCM/MECM) Administration Minimum of 7 years of experience installing, configuring, administering, and supporting enterprise SCCM/MECM infrastructures.Extensive experience troubleshooting SCCM site systems, management points, distribution points, software update point

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Contract, Third Party

$55 - $60

Senior Windows System Administrator

Annapolis, Maryland

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Today

Belay Technologies has been voted Baltimore Business Journal's (BBJ) Best Places to Work 2026! Belay Technologies is seeking a Senior Windows System Administrator to join a high-performing Agile team operating within the Scaled Agile Framework (SAFe) in support of a complex, fast-paced program. In this role, the selected candidate will provide daily systems administration and operations and maintenance support across multiple systems with a broad geographic footprint. Key responsibilities includ

Full-time

USD 164,000.00 - 200,000.00 per year

Senior Systems Administrator / Windows / Nutanix / Onsite in Lancaster SC

Lancaster, South Carolina

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Today

This organization, a well-established player in manufacturing and enterprise operations, is seeking a Senior Systems Administrator to join its team in Lancaster, South Carolina (onsite, 5 days/week)-just 30 minutes outside of Charlotte. The organization is undergoing key infrastructure initiatives including virtualization and identity management transformations, making this an exciting time to join. Required Skills & Experience 3-5 years of professional IT experience in systems administration a

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Full-time

$80000 - $110000

20139 - Senior System Administrator (Windows, VMWare, Exchange)

Montgomery, Alabama

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Today

20139 - Senior System Administrator Montgomery, AL (5 days On-Site) Hyundai AutoEver America (HAEA), 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 global and collaborative environment. Here, you'll drive innovation, boost operational effic

Full-time

USD 79,000.00 - 108,000.00 per year

Sr. SCCM / Windows Administrator

Dallas, Texas

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Yesterday

Job Title:Sr. SCCM / Windows Administrator Location: Dallas, TX Duration: Long-term Work Mode: Onsite Required Skills and Years of Experience: Systems Center Configuration Manager (SCCM/MECM) Administration Minimum of 7 years of experience installing, configuring, administering, and supporting enterprise SCCM/MECM infrastructures.Extensive experience troubleshooting SCCM site systems, management points, distribution points, software update points, and client deployments.Experience performing in

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Third Party, Contract

Depends on Experience

Senior Windows Systems Administrator / onsite in Bluffton, SC

Bluffton, South Carolina

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Today

A leading organization in the hospitality and resort industry is seeking a Senior IT Systems Administrator to join its infrastructure team in Bluffton, SC. This is a full-time, permanent position requiring 5 days per week onsite. The organization is looking for a versatile infrastructure professional who thrives in smaller IT environments and enjoys owning a broad range of technologies including Windows Server, Azure, Entra ID, Microsoft 365, VMware, Fortinet firewalls, networking, virtualizatio

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Full-time

$100000 - $120000

Senior Windows 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

Windows System Administrator, Sr.

Annapolis, Maryland

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Today

Unisity, LLC is a Service-Disabled Veteran Owned Small Business providing expert services in the Information Technology fields. We pride ourselves on delivering what is promised, as some would say we "just do". We are highly-qualified, self-driven professionals who work towards a common goal as a team, leading when appropriate and following when needed. Job Summary: A Senior Windows System Administrator to join a high-performing Agile team operating within the Scaled Agile Framework (SAFe) in s

Full-time

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

L2/L3 Senior Administrator

Jersey City, New Jersey

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9d ago

Role Summary This position involves providing advanced technical support and administration for Windows 11 endpoint devices within a highly secure, 24x7 production environment. The senior administrator will oversee the full device lifecycle, ensuring platform stability, security compliance, and operational efficiency. The role requires a highly skilled professional capable of troubleshooting complex issues and working effectively within a critical enterprise setting. Responsibilities Administer

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Contract, Third Party

Depends on Experience

Windows System Administrator and Team Lead

Lexington Park, Maryland

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Today

Perrygo is a small, rapidly growing company; we are passionate about our employees as well as supporting our customers and their mission. We are excited for the opportunity to bring aboard highly motivated and energetic individuals to join our teams. Currently, we are seeking a Windows System Administrator and Team Lead. This role supports our Navy customer in Lexington Park, MD. Job Description and Responsibilities: Lead a team of 9 Systems Administrators on-site full-time at Patuxent River NA

Full-time

USD 140,000.00 - 165,000.00 per year

Wintel Lead (Infrastructure Developer Administrator Windows, VMware & Virtualization (Nutanix)) - W2

Newport Beach, California

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Today

Role: Wintel Lead (Infrastructure Developer Administrator Windows, VMware & Virtualization (Nutanix)) Location: Newport Beach, CA (3 days a week onsite) Position: Full time / W2 Contract Job Description: Strong knowledge of Microsoft Windows Server Administration (2019 & above) with expertise in Cluster Configuration, DHCP, DNS, Failover, GPOs etc. Proficiency in VMware vCenter Server Administration (vSphere) with hands-on experience in ESXi hosts management. Primary Function: Administrator for

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Contract

System Administrator III (Windows/Linux/VMWare)

West Point, Georgia

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Today

System Administrator (Windows/Linux/VMWare) Location: West Point, GA (5 days on-site) 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 global and collaborative environment. Here, you'll dr

Full-time

USD 79,000.00 - 112,000.00 per year

MD-Windows Systems Administrator - TS/SCI w/ Polygraph

Annapolis, Maryland

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Today

Location: Annapolis Junction, MD Category: Systems Administrator Travel Required: No Remote Type: No Clearance: TS/SCI w/ Polygraph A Senior Windows System Administrator to join a high-performing Agile team operating within the Scaled Agile Framework ?SAFe? in support of a complex, fast-paced program. In this role, the selected candidate will provide daily systems administration and operations and maintenance support across multiple systems with a broad geographic footprint. Key responsibilities

Full-time

USD 92,300.00 - 166,850.00 per year

Senior Windows Engineer

Laurel, Maryland

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Today

MANTECH is seeking a motivated, career and customer-oriented Senior Windows Engineer, to join our team in Laurel, MD. Become an integral part of a diverse team that delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation. It is the contract vehicle for the Enterprise Infrastructure Services organization overseeing MPO?s Enterprise Information Technology (EIT). EIT is MPO?s backbone- platform for all Enterprise users. Dat

Full-time