Principal Windows Systems Administrator Jobs

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Windows System Administrator

SAIC

Pensacola, Florida, USA

Full-time

Job ID: 2505051 Location: PENSACOLA, FL, US Date Posted: 2025-04-25 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is hiring a Windows System Administrator to be located in Pensacola, FL. The successful candidate will be the primary technical resource for Microsoft Windows system administration in

Sr. Windows/Linux Systems Administrator (Secret Clearance Required)

Lockheed Martin Corporation

King of Prussia, Pennsylvania, USA

Full-time

Job Description What We're Doing: As part of Lockheed Martin Rotary & Mission Systems business area, our team supports multiple software applications in the Tactical Tomahawk Weapons Control System (TTWCS). We develop and maintain the foundational layer of TTWCS, including networking infrastructure and process management, in addition to Tactical Command and Control applications handling mission planning and missile communication. In a nutshell, our team ensures the United States Navy has the t

MECM Engineer / Windows System Administrator

Leidos

Baltimore, Maryland, USA

Full-time

The Digital Modernization Sector has an opening for an MECM Engineer / Windows System Administrator to work in Woodlawn, MD. This position will require onsite work in Woodlawn, MD five days a week. Day to Day Responsibilities: Install, configure, maintain/patch, decommission, and ensure compliance of Microsoft Windows operating systems (workstations and servers) enterprise-wide.Improve and maintain Windows Server and workstation patching process and cycle; actively verify and apply security p

Windows Administrator

Maximus, Inc.

Atlanta, Georgia, USA

Full-time

Description & Requirements Maximus is looking for a Windows Administrator to join its Technology Solutions (TS) Federal Health Team. As a Senior Windows Administrator, you will be responsible for managing and maintaining our Windows server environments, ensuring security, reliability, and performance to support our organization's critical infrastructure. You will work with a team of highly skilled IT professionals and will support related systems and applications. This position is on-site and r

Windows System Administrator

GovCIO

Remote

Full-time

Overview GovCIO is seeking a highly skilled Windows System Administrator to support the management and maintenance of the Veterans Affairs IT infrastructure. This role involves troubleshooting hardware, software, and networking issues, ensuring optimal performance and security, and executing scheduled maintenance and upgrade activities. The candidate will collaborate with stakeholders, government leadership, and engineering teams to design, maintain , and optimize server environments in alignme

Senior Windows Systems Engineer / MSP Experience

Motion Recruitment Partners, LLC

Waltham, Massachusetts, USA

Full-time

A very established Managed Service Provider (MSP) located in Waltham is currently hiring for a Senior System Administrator "jack of all trades" with prior MSP experience to join their team. They will need the person to be in the office 1-2 days per week, and willing to commute to client sites around Boston as needed. Ideally this person will be very strong in virtualization technologies, have some network experience, but overall be a very strong communicator. Required Skills & Experience 5+ yea

Windows/Network Sys Administrator

GovCIO

Remote

Full-time

Overview GovCIO is seeking a highly skilled System Administrator to support the management and maintenance of the Veterans Affairs IT infrastructure. This role involves troubleshooting hardware, software, and networking issues, ensuring optimal performance and security, and executing scheduled maintenance and upgrade activities. The candidate will collaborate with stakeholders, government leadership, and engineering teams to design, maintain , and optimize server environments in alignment with

Windows Systems Engineer

Gridiron IT Solutions

Fairfax, Virginia, USA

Contract

Windows Systems Engineer Location: Chantilly VA, Springfield VA or Gaithersburg, MD Work Type: Full Time Job Description: GridIron IT is seeking a Windows Systems Engineer with an Active Top Secret Clearance. The team is involved in operation and sustainment of multiple operational cloud deployed geospatial solutions. A successful candidate will be a self-starter and have experience with installation, configuration, administration, support and maintenance of cloud-based systems and administrat

Windows Endpoint Applications Administrator

Aerospace Corporation

El Segundo, California, USA

Full-time

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers. When you join our team, you'll be part of a special collection of problem solvers,

Principal Technical Systems Administrator

HMG America

Miami, Florida, USA

Contract, Third Party

HMG America LLC is the best Business Solutions focused Information Technology Company with IT consulting and services, software and web development, staff augmentation and other professional services. One of our direct clients is looking for (Title) in (Location). Below is the detailed job description. Title: Principal Technical Systems Administrator Location: : Miami 4200 West Flagler Job Description: Principal Technical Systems Administrator We are seeking a Principal Technical Systems Ad

Hybrid Systems Engineer, Sr (Windows / Linux) / Onsite: CO

Lockheed Martin Corporation

Remote or Littleton, Colorado, USA

Full-time

Job Description Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 employees work with our partners around the world to bring the latest technology to our customers' toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries. This Enterprise Operations (EO) position supports the Lockheed Marti

Hybrid Systems Engineer, Sr (Windows / Linux) / Onsite: CO

Lockheed Martin

Littleton, Colorado, USA

Full-time

Job ID: 692395BR Date posted: Apr. 30, 2025 Description:Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 employees work with our partners around the world to bring the latest technology to our customers' toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries. This Enterprise Operations (

Senior Windows Systems Engineer / Midtown, GA / Hybrid

Motion Recruitment Partners, LLC

Atlanta, Georgia, USA

Full-time

A well-known Billion-dollar organization in the Atlanta area is looking for their next Windows Systems Administrator. They are hiring full-time and in their office 2 days per week in Midtown, GA. This company has been around for over 25 years and is looking for someone to be part of their team long term as they continue to grow. In this position, you will be helping with virtualization efforts, Windows system administration, maintenance of current infrastructure and datacenters, and higher tier

Senior Windows Administrator

EPAM Systems

Morrisville, North Carolina, USA

Full-time

If you are looking for a Senior Windows Administrator role in Morrisville, NC with a global leader in digital transformation, EPAM is the perfect next step in your career! We are seeking a skilled Windows Administrator to manage and maintain legacy Windows servers, apply patches, and perform upgrades while ensuring system reliability and security. This role requires expertise in troubleshooting, system optimization, and implementing best practices for maintaining older infrastructures. #LI-DNI

Senior Windows Architect / Administrator, Financial or Trading Experience Required - Work From Home - R

Next Step Systems

Remote

Full-time

Senior Windows Architect / Administrator, Financial or Trading Experience Required - Work From Home We are currently looking for a Senior Windows Architect / Administrator for a great work from home opportunity. We are seeking a talented and self-motivated Senior Windows Administrator to join a growing IT team. Experience with Windows, Active Directory and PowerShell is required. This position is 100% Remote. Senior Windows Architect / Administrator Responsibilities: - The Senior Windows Arch

Senior Windows Engineer / Administrator, Financial or Trading Experience Required - Work From Home - R

Next Step Systems

Remote

Full-time

Senior Windows Engineer / Administrator, Financial or Trading Experience Required - Work From Home We are currently looking for a Senior Windows Engineer / Administrator for a great work from home opportunity. We are seeking a talented and self-motivated Senior Windows Administrator to join a growing IT team. Experience with Windows, Active Directory and PowerShell is required. This position is 100% Remote. Senior Windows Engineer / Administrator Responsibilities: - The Senior Windows Enginee

Senior Windows Administrator, Financial or Trading Experience Required - Work From Home - R

Next Step Systems

Remote

Full-time

Senior Windows Administrator, Financial or Trading Experience Required - Work From Home We are currently looking for a Senior Windows Administrator for a great work from home opportunity. We are seeking a talented and self-motivated Senior Windows Administrator to join a growing IT team. Experience with Windows, Active Directory and PowerShell is required. This position is 100% Remote. Senior Windows Administrator Responsibilities: - The Senior Windows Administrator will be added to an existi

Senior Windows System Administrator / Hybrid / Midtown, GA

Motion Recruitment Partners, LLC

Atlanta, Georgia, USA

Full-time

A growing company in the financial industry is scaling their IT department in the heart of Atlanta! They are hiring a Senior Linux System Administrator to join their team full-time and in their office 2 days per week in Midtown. This company has a strong history in the area and is looking for someone to be part of their team long term. In this position, you will be helping with everything from virtualization to the build out of operating systems, maintenance of current infrastructure and datacen

Sr. Windows Administrator/Test Lab Manager TS/SCI Poly $15k SIGN ON!

Leidos

San Diego, California, USA

Full-time

Come join our exciting and fast-growing National Security Group! $15k SIGN ON BONUS! Must have an active TS/SCI Polygraph. We are hiring a Senior Windows Administrator / Test Lab Manager to join a high performing agile team using the Scaled Agile Framework (SAFe) methodology to support a highly complex and fast-paced program. The selected candidate will be responsible for performing daily system administration and O&M support activities in support of a complex network environment with geographi

SCITLS Windows OS Administrator

General Dynamics

Offutt Air Force Base, Nebraska, USA

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Computer Servers, Desktop Computers, Disaster Recovery (DR) Certifications: ITIL v4 Foundations - ITIL 4 Foundation, Security + - CompTIA Experience: 5 + years of related experience ship Required: Yes Job Description: Seize your opportunity to make a personal