Principal Windows Systems Administrator Jobs

61 - 80 of 1,777 Jobs

Senior AWS Cloud Systems Operations AdministratorJob Title - Senior AWS Cloud Systems Operations Administrator

Maximus, Inc.Company Name - Maximus, Inc.

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San Antonio, Texas, USA

Full-time

Description & Requirements Maximus is seeking a Senior AWS Cloud Systems Operations Administrator focused on managing AWS workloads, overseeing system deployment, security, and compliance. This administrator will use AWS tools to ensure systems run efficiently, troubleshooting as needed. Their expertise is vital for maintaining DoD system integrity and performance on the cloud. This position is on-site five days a week and requires an active TS/SCI clearance. Maximus TCS (Technology and Consult

Lead Systems AdministratorJob Title - Lead Systems Administrator

GovCIOCompany Name - GovCIO

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Boyers, Pennsylvania, USA

Full-time

Overview GovCIO is hiring for a Lead Operations Systems Administrator (Linux and Windows) to provide on-going support for the administration of the core system applications and perform operational tasks such as monitoring system resources and perform routine maintenance tasks in support of 24x7 life cycle applications to include on-call support. Work location is in Boyers, PA. and will be a hybrid remote with periodic onsite customer work activities. Must be willing to work nights, have an acti

Senior Systems AdministratorJob Title - Senior Systems Administrator

LeidosCompany Name - Leidos

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Laurel, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Senior Systems Administrator in our National Security Sector's (NSS) 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, 11 paid Holidays, 401K with a 6% company match and immediate v

Systems AdministratorJob Title - Systems Administrator

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Offutt Air Force Base, Nebraska, USA

Full-time

Job Number: R0222258 Systems Administrator The Opportunity: Your combination of people skills and system administrator expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting USSTRATCOM? We're looking for a system administrator with a background in Windows or Linux to help us continue the development of the Joint Integrated Missile Defense and Missile Warning Training System (JIMDTS). As a system administrator

Senior AWS Cloud Systems Operations AdministratorJob Title - Senior AWS Cloud Systems Operations Administrator

Maximus, Inc.Company Name - Maximus, Inc.

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San Antonio, Texas, USA

Full-time

Description & Requirements Maximus is seeking a Senior AWS Cloud Systems Operations Administrator focused on managing AWS workloads, overseeing system deployment, security, and compliance. This administrator will use AWS tools to ensure systems run efficiently, troubleshooting as needed. Their expertise is vital for maintaining DoD system integrity and performance on the cloud. Maximus TCS (Technology and Consulting Services) Internal Job Profile Code: TCS221, T5, Band 8 Job Specific Essential

Junior Systems Administrator // MSPJob Title - Junior Systems Administrator // MSP

Motion Recruitment Partners, LLCCompany Name - Motion Recruitment Partners, LLC

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Philadelphia, Pennsylvania, USA

Full-time

Job Description A Wilmington, DE-based IT consulting company is seeking a Junior Systems Administrator to join their growing team. This is an excellent opportunity for a technically skilled and motivated individual early in their IT career to gain hands-on experience supporting diverse client environments across various industries. In this client-facing role, you will assist in the deployment, maintenance, and support of IT infrastructure solutions, both on-premises and in the cloud. Under the

Systems AdministratorJob Title - Systems Administrator

InterSources Inc.Company Name - InterSources Inc.

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The Bronx, New York, USA

Full-time, Contract

Title: Systems Administrator Location: Bronx, NY 10451 Duration: 24-month contract Position Job Description Under the general supervision of the Senior Manager for Systems Administration and the CIO for IT, the selected candidate will play a crucial role in maintaining and optimizing the college's IT infrastructure. This position requires technical expertise, independent problem-solving skills, and the ability to ensure the seamless operation of our systems. Key Responsibilities Maintain and sup

Systems AdministratorJob Title - Systems Administrator

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Beavercreek, Ohio, USA

Full-time

Job Number: R0222102 Systems Administrator The Opportunity: Your combination of people skills and system administrator expertise makes you the team hero, solving one problem after another. With so much relying on complex systems, a skilled systems administrator can be the difference that makes a project successful. What if you could use those skills to improve the technology supporting multiple research, development, and analysis projects for our government clients ? We're looking for a system a

Systems Administrator / Top Secret / Onsite: Arlington, VAJob Title - Systems Administrator / Top Secret / Onsite: Arlington, VA

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Arlington, Virginia, USA

Full-time

Job Description The Advanced Concepts Lab (ACL) at Lockheed Martin's Advanced Technology Laboratories (ATL) is seeking an IT Systems Engineer/Systems Administrator with a demonstrated ability to independently develop solutions to systems administration challenges in heterogeneous computing environments. The selected candidate will serve as a system and network administrator for multiple program and internal R&D systems that support the research and development activities carried out by ACL's en

Systems AdministratorJob Title - Systems Administrator

SAICCompany Name - SAIC

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Port Hueneme, California, USA

Full-time

Job ID: 2507397 Location: PORT HUENEME CBC BASE, CA, US Date Posted: 2025-07-09 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Interim Secret Clearance Level Must Be Able to Obtain: Secret Potential for Remote Work: No Description SAIC is seeking a Systems Administrator for the Joint Expeditionary Command and Control (JEXC2) program based out of Port Hueneme, CA. The qualified

Associate Systems AdministratorJob Title - Associate Systems Administrator

Apex SystemsCompany Name - Apex Systems

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Newport News, Virginia, USA

Full-time

Job#: 2080969 Job Description: We are looking for a proactive and tech-savvy Associate Systems Administrator to join our IT team. This role focuses on supporting and managing end-user device solutions, assisting in maintaining IT systems, and delivering responsive technical support across the organization. Ideal for entry level candidates or junior professionals eager to grow in systems administration and device lifecycle management. This is a remote position; however, the candidate must reside

Systems AdministratorJob Title - Systems Administrator

Zachary Piper Solutions, LLCCompany Name - Zachary Piper Solutions, LLC

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Remote

Full-time

Piper Companies is seeking a Systems Administrator for an established healthcare organization. This is a 6-month contract and is REMOTE (based in US, must work EST). Responsibilities of the Systems Administrator: Support the remediation of Windows Server 2012 environments, including upgrade planning and execution to Azure. Maintain and administer enterprise-level Windows and Linux systems in a hybrid on-prem/cloud environment. Collaborate with vendors to manage third-party applications and navi

Systems AdministratorJob Title - Systems Administrator

Zachary Piper Solutions, LLCCompany Name - Zachary Piper Solutions, LLC

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Remote

Full-time

Piper Companies is seeking a Systems Administrator for an established healthcare organization. This is a 6-month contract and is REMOTE (based in US, must work EST). Responsibilities Support the remediation of Windows Server 2012 environments, including upgrade planning and execution to Azure. Maintain and administer enterprise-level Windows and Linux systems in a hybrid on-prem/cloud environment. Collaborate with vendors to manage third-party applications and navigate upgrade or decommission sc

G2 SharePoint Systems Administrator | Active Top Secret clearanceJob Title - G2 SharePoint Systems Administrator | Active Top Secret clearance

General DynamicsCompany Name - General Dynamics

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Remote

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Microsoft SharePoint Administration, SharePoint Management, System Administration Certifications: None Experience: 6 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a SharePoint / Systems Administrator with

Jr. Systems AdministratorJob Title - Jr. Systems Administrator

Robert HalfCompany Name - Robert Half

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Houston, Texas, USA

Contract

Description We are looking for a Jr. Systems Administrator to join our team in Houston, Texas. This is a long-term contract position requiring hands-on expertise in IT systems and desktop support. The ideal candidate will be responsible for managing and maintaining Windows-based systems, ensuring smooth operations, and supporting ongoing projects, including server replacements and application installations. Responsibilities: Provide comprehensive support for Windows-based systems, including tro

Virtualization Systems AdministratorJob Title - Virtualization Systems Administrator

SAICCompany Name - SAIC

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Tampa, Florida, USA

Full-time

Job ID: 2507130 Location: MACDILL AFB, FL, US Date Posted: 2025-06-30 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Top Secret Clearance Level Must Be Able to Obtain: TS/SCI Potential for Remote Work: No Description SAIC is seeking a Virtualization Systems Administrator to perform admin level support in accordance with the SIE OPORD. Systems Administrators must possess strong

Network Engineer, Systems AdministratorJob Title - Network Engineer, Systems Administrator

Alpha Omega Integration LLCCompany Name - Alpha Omega Integration LLC

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Lorton, Virginia, USA

Full-time

Job Title: Network Engineer Clearance Required: DHS Public Trust Work Location: Onsite; Onsite 5 days a week in Lorton, VA office Alpha Omega is seeking a qualified Network Engineer to maintain and troubleshoot the Windows and Meraki infrastructure of the organization. The Network Engineer will be responsible for the administration and management of Windows servers, including but not limited to Windows Services (WSUS and Active Directory) as well as Cisco/Meraki cloud and on-premises devices, i

Systems AdministratorJob Title - Systems Administrator

Motion Recruitment Partners, LLCCompany Name - Motion Recruitment Partners, LLC

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Los Angeles, California, USA

Full-time

Job Description A large, independently owned commercial real estate firm based in Southern California is looking for a Systems Administrator to join their team. They are seeking an ambitious individual with excellent communication skills. With over 14 offices just in Southern California, this role will be based in the Encino location. Required Skills & Experience Microsoft tools Windows expertise 3-6 years experience Azure cloud Service Now, Jira, or equivalent software Experience with automat

Systems Administrator IIJob Title - Systems Administrator II

Robert HalfCompany Name - Robert Half

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Washington, District of Columbia, USA

Contract

Description We are looking for an experienced Systems Administrator II to join our team in Washington, District of Columbia. In this long-term contract position, you will play a key role in maintaining and optimizing system infrastructures, ensuring they meet organizational needs and industry standards. This is an excellent opportunity for someone who thrives in a collaborative environment and enjoys solving technical challenges with innovative solutions. Key Responsibilities: Administer and ma

Systems AdministratorJob Title - Systems Administrator

Robert HalfCompany Name - Robert Half

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La Vergne, Tennessee, USA

Full-time

Description We are looking for a skilled and proactive Systems Administrator to join our IT team in LaVergne, Tennessee. In this role, you will manage and maintain Windows servers, Office 365, Jira Ticketing, and Intune implementation and eventual Azure Cloud migration, while ensuring system security and optimal performance. This position offers an excellent opportunity to contribute to a dynamic organization and support key infrastructure operations. Responsibilities: Oversee the planning, imp