Showing page 1 of 297 (Total listings: 5927)

Windows Administrator

ManTech International ✓ Verified
Direct Apply
Chantilly, Fairfax County
Jun 9, 2026

ManTech International seeks a Windows Systems Administrator to support critical national security missions within our IT & Technical Support teams. You will install, configure, and maintain Windows servers and related services; manage Active Directory, Group Policy, and enterprise patching; monitor system performance and security; and troubleshoot complex issues in secure environments. Collaborate with cyber, engineering, and support teams to implement resilient, compliant solutions. Leverage M…

Windows Administrator

Brains Workgroup, Inc. ✓ Verified
Direct Apply
Grand Central, Manhattan
Jul 22, 2026

Our client, a major bank in New York City, is looking for Senior Windows Administrator who has strong Powershell, Active Directory and Messaging This is hybrid commute, 2/3 days per week in the office (Midtown Manhattan). Must be authorized to work for ANY employer in US - NO H1 Visa support for this role Salary range 120-155K, plus around 15-20% bonus, plus great benefits package. Senior Windows Administrator The ideal candidate will have extensive knowledge in managing, configuring, and supp…

Windows Administrator

Brains Workgroup, Inc. ✓ Verified
Direct Apply
East Harlem, Manhattan
Jul 26, 2026

Our client, a major bank in New York City, is looking for Senior Windows Administrator who has strong Powershell, Active Directory and Messaging This is hybrid commute, 2/3 days per week in the office (Midtown Manhattan). Must be authorized to work for ANY employer in US - NO H1 Visa support for this role Salary range 120-155K, plus around 15-20% bonus, plus great benefits package. Senior Windows Administrator The ideal candidate will have extensive knowledge in managing, configuring, and supp…

Linux / Windows Administrator

Spyglass Partners LLC ✓ Verified
Direct Apply
Fort Worth, Tarrant County
Jun 23, 2026

8-10 years of experience as a Linux Systems Administrator (virtual and physical). Experience needed in a variety of Linux versions, platforms, etc. Strong background with Windows Systems Administration needed - 5 years. Experience with Ansible for patching. VMWare and Active Directory. Experience with Privileged Access Management (PAM) and Identity Security solutions. No 3 rd Party candidates, vendor emails or call.

Windows Administrator

Maximus ✓ Verified
Direct Apply
Colorado Springs, El Paso County
Apr 3, 2026

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 position is an onsite role, 5 days a week and requires a secret clearance. Maximus TCS (Technology and Consulting Service…

Windows Administrator with Security Clearance

Maximus Inc ✓ Verified
Direct Apply
Savage, Anne Arundel County
May 25, 2026

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 position is an onsite role, 5 days a week and requires a secret clearance. Maximus TCS (Techno…

Windows Administrator with Security Clearance

Maximus Inc ✓ Verified
Direct Apply
Stratmoor Hills, El Paso County
May 25, 2026

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 position is an onsite role, 5 days a week and requires a secret clearance. Maximus TCS (Techno…

Windows Administrator with Security Clearance

Everforth Apex Systems ✓ Verified
Direct Apply
Roxborough, Douglas County
Jul 1, 2026

Requires an active IAT Level II certification 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 plan, implement, monitor, and upgrade security measures for the protection of the program data, systems, and networks. They will ensure that the organization's data and infrastructure are protected by enabling the appropriate security controls. Tr…

VMware/Windows Administrator with Security Clearance

Peerless Technologies Corporation ✓ Verified
Direct Apply
Wpafb, Greene County
Jul 14, 2026

Peerless is looking for an experienced VMware/Windows Administrator to work in person in Dayton Ohio to support our growing team at the National Air and Space Intelligence Center (NASIC), located at Wright-Patterson AFB, OH. You will be responsible for the design, implementation, and management of a VMware/Windows infrastructure. In this role, you will work closely with our other engineers and stakeholders to ensure that our VMware/Windows infrastructure is reliable and scalable. If you are a m…

Wyse Windows Administrator

ABBTECH Professional Resources, Inc. ✓ Verified
Direct Apply
Benson, Douglas County
Jul 16, 2026

Wyse Windows Administrator Clearance- Top Secret Location- Offutt AFB, NE Salary- $95k-$110k/yr _The above salary range represents the range expected for the position; however, final salary offers are based on a number of factors such as the position's responsibilities; the candidate's experience, education, and skills; location; travel required; and current market conditions._ _This program requires US Citizenship_ The Wyse Windows Administrator will manage Windows and thin client environments…

Linux & Windows Administrator VMware & Cloud

InfiCare ✓ Verified
Direct Apply
Hickory Creek, Denton County
Jul 22, 2026

Job Title: Linux & Windows Administrator (VMware & Cloud) Location: Dallas, TX (onsiteLocal candidate only) Job Type: Contract 6 Months Duration: Long Term Job Overview Our client is seeking a skilled Linux & Windows Administrator with strong VMware and Cloud experience to manage enterprise server environments. The ideal candidate will bring hands-on expertise across multiple Linux distributions and Windows Server platforms, supporting a dynamic and critical infrastructure environment. Key Resp…

Senior Windows Administrator with Security Clearance

Sev1Tech ✓ Verified
Direct Apply
Fort Bragg, Cumberland County
May 25, 2026

Position is contingent upon contract award and funding. Entarian is looking for a Senior Windows Administrator supporting the ALTESS Windows team. This is currently a mixed and growing environment of Windows 2019 and Windows 2022. The responsibilities include but are not limited to: * Work with the existing Windows team to manage, maintain, deploy, troubleshoot, and support servers for a mixed customer environment * Plan, execute, and implement new system Hardware and Software and create and ma…

Senior Windows Administrator with Security Clearance

Sev1Tech ✓ Verified
Direct Apply
New River, Pulaski County
May 25, 2026

Position is contingent upon contract award and funding. Entarian is looking for a Senior Windows Administrator supporting the ALTESS Windows team. This is currently a mixed and growing environment of Windows 2019 and Windows 2022. The responsibilities include but are not limited to: * Work with the existing Windows team to manage, maintain, deploy, troubleshoot, and support servers for a mixed customer environment * Plan, execute, and implement new system Hardware and Software and create and ma…

Wyse Windows Administrator with Security Clearance

Open SAN Consulting ✓ Verified
Direct Apply
Offutt Air Force Base, Sarpy County
May 25, 2026

The Wyse Windows Administrator will manage Windows and thin client environments, utilizing tools such as MECM, Wyse Management Suite, 10ZiG Manager, and HP Web Jetadmin. In this role, the administrator is responsible for configuring and managing Group Policy Objects (GPOs) and maintaining the overall environment to ensure systems are current, secure, and properly maintained. The administrator will ensure devices meet established security standards, including managing software distribution, anti…

Senior Windows Administrator with Security Clearance

Johns Hopkins University Applied Physics Laboratory ✓ Verified
Direct Apply
North Laurel, Prince George's County
May 25, 2026

Description Do you thrive in a fast-paced, dynamic classified environment? Do you want to be empowered to take ownership of enterprise active directory domain infrastructure and have a direct impact on the reliability, performance, and security of critically important systems? Are you interested in working with a wide range of technologies, building supervising solutions from the ground up, and helping drive operational excellence across complex infrastructure environments? If so, we're looking…

Windows Administrator Task Lead with Security Clearance

CloudShape ✓ Verified
Direct Apply
Washington, D.C., US
Jul 7, 2026

Position Title: Windows Administrator Task Lead Location: Onsite in Washington, DC Citizenship Required: Yes Clearance Level: Active Secret Clearance is required Travel Required: None Full-time W2, Salaried Exempt: $125,000 - $145,000 At Cloudshape our employees have incredible opportunities to work in helping organizations securely transform their IT Infrastructure to meet the changing business cultures. We help government agencies transform their IT infrastructure using a solutions-driven app…

Junior Windows Administrator with Secret Clearance with Security Clearance

CALNET, Inc. ✓ Verified
Direct Apply
Capitol Heights, Prince George's County
Jul 23, 2026

Founded in 1989, CALNET, Inc. has become one of the fastest growing privately held companies in the Technology, Intelligence Analysis, and Language Services consulting arena. Headquartered in Reston, VA, CALNET employees deliver true value to our customers by employing best practices, world-class technologies industry expertise in every project. CALNET is ISO 9001, ISO 20000, and CMMI-Level III certified As a Prime Government Contractor for a major government institution, we are currently searc…

Windows System Administrator

Judge Group, Inc. ✓ Verified
Direct Apply
Omaha, Douglas County
Mar 27, 2026

Location: Omaha, NE Salary: $55.00 USD Hourly - $60.00 USD Hourly Description: Job Title: Windows System Administrator Location: Omaha, NE / Lincoln, NE (Onsite 5 Days) Duration: Contract to hire Job Description: You'll help maintain and troubleshoot services that support digital card provisioning across platforms. You'll work with Windows systems, manage application web services, and monitor batch jobs to ensure everything runs smoothly. What You'll Do: Help configure and manage Windows enviro…

Windows System Administrator

Booz Allen Hamilton ✓ Verified
Direct Apply
Indian Head, Charles County
Jun 1, 2026

Job Number: R0241372 Windows System Administrator The Opportunity: Are you looking for an opportunity to combine your technical skills with big picture thinking to make an impact? 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. We are seeking a skilled Windows System Administrator to join our…

Principal Windows Systems Administrator

Zaden Technologies, Inc. ✓ Verified
Direct Apply
Huntsville, Madison County
Jul 17, 2026

Zaden Technologies, Inc. is seeking a Principal Windows Systems Administrator to lead the design, implementation, and support of secure, highly available Windows server environments powering our AI-driven security and monitoring platforms. You’ll own enterprise-scale AD, Group Policy, and automation with PowerShell, optimize performance across on-prem and cloud infrastructure, and drive patching, backup, and DR strategies. In our collaborative, fast-paced culture, you’ll mentor engineers, shape…

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