Senior windows administrator jobs

Rensselaer, New York

•

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

•

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

Senior Windows Systems Administrator

No location provided

•

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

•

Today

Senior Windows System Administrator; requires TS/SCI Polygraph up front. Lucky you! This comes with a $15k SIGN ON BONUS. 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 of

Full-time

USD 116,350.00 - 210,325.00 per year

Senior Windows System Administrator

Annapolis, Maryland

•

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

•

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

Easy Apply

Full-time

$80000 - $110000

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

Montgomery, Alabama

•

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

Senior Windows Systems Administrator / onsite in Bluffton, SC

Bluffton, South Carolina

•

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

Easy Apply

Full-time

$100000 - $120000

Senior Windows System Administrator

Germantown, Maryland

•

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

•

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

Systems Administrator, Senior- Red Hat Linux & Windows (Top Secret w/SCI eligibility)

Washington, District of Columbia

•

Today

Overview AMERICAN SYSTEMS, a 100% employee-owned federal contracting company, is seeking a Senior Systems Administrator with strong Red Hat Linux CLI and Windows administration experience to support a Special Access Program in Washington, DC. 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-o

Full-time

USD 150,000.00 per year

L2/L3 Senior Administrator

Jersey City, New Jersey

•

11d 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

Easy Apply

Third Party, Contract

Depends on Experience

Windows System Administrator and Team Lead

Lexington Park, Maryland

•

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

•

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

Easy Apply

Contract

System Administrator III (Windows/Linux/VMWare)

West Point, Georgia

•

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

•

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 Systems Engineer

Hybrid in Washington, District of Columbia

•

12d ago

<>OverviewWe are seeking a Senior Windows Systems Engineer to support the design, implementation, administration, and modernization of enterprise Windows infrastructure and cloud-based services. This is a hands-on engineering role responsible for maintaining highly available, secure, and scalable environments while serving as a technical lead and escalation point for complex issues. The position also provides mentorship to system administrators and contributes to infrastructure standards, automa

Easy Apply

Contract

70 - 75

Senior Windows Engineer

Laurel, Maryland

•

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

Windows Software Engineer, Senior

Remote

•

Today

In a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what's possible. Job Description: Parsons is looking for an amazingly talented Senior Windows Software E

Full-time

USD 112,200.00 - 196,400.00 per year

Windows Performance Engineer, Senior

San Diego, California

•

Today

Company: Qualcomm Technologies, Inc. Job Area: Engineering Group, Engineering Group > Software Engineering General Summary: Qualcomm is looking for an experienced Windows Power/Performance Developer with passion for analyzing and optimizing software running on Windows on Snapdragon. Ideal candidate has background to understand and identify/implement software optimizations across multiple layers of Software, Windows Operating System, Kernel, Compiler, Drivers, Assembly Language, CPU microarch

Full-time

USD 117,800.00 - 176,600.00 per year