Principal Windows Systems Administrator Jobs

81 - 100 of 1,731 Jobs

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

Systems AdministratorJob Title - Systems Administrator

Robert HalfCompany Name - Robert Half

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Dearborn, Michigan, USA

Full-time

Description We are looking for a skilled Systems Administrator to join our team in Dearborn, Michigan. This Contract-to-permanent position offers an exciting opportunity to manage and optimize IT infrastructure, ensuring seamless operations across on-premises and cloud environments. The ideal candidate will possess strong technical expertise and a proactive approach to problem-solving. Responsibilities: Administer and troubleshoot on-premises network infrastructure, including switches, routers,

Systems Administrator - Windows Server - Costco TravelJob Title - Systems Administrator - Windows Server - Costco Travel

Costco Wholesale CorporationCompany Name - Costco Wholesale Corporation

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Issaquah, Washington, USA

Full-time

Costco IT is responsible for the technical future of Costco Wholesale, the third largest retailer in the world with wholesale operations in fourteen countries. Despite our size and explosive international expansion, we continue to provide a family, employee centric atmosphere in which our employees thrive and succeed. This is an environment unlike anything in the high-tech world and the secret of Costco's success is its culture. The value Costco puts on its employees is well documented in artic

Systems AdministratorJob Title - Systems Administrator

Robert HalfCompany Name - Robert Half

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Moline, Illinois, USA

Full-time

Description We are looking for a skilled Systems Administrator to join a growing, innovative company in the Financial Services Industry. In this role, you will manage and optimize server infrastructure while ensuring seamless performance across various platforms. If you have expertise in Citrix administration and a strong background in system management, we encourage you to apply now, call , or email your resume direct and confidential to Shawn M Troy - Technology Practice Director with Robert H

Sr Systems AdministratorJob Title - Sr Systems Administrator

SNI TechnologyCompany Name - SNI Technology

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Orlando, Florida, USA

Contract

Job Details We're seeking a seasoned Systems Administrator with at least 5 years of experience managing Microsoft-based infrastructure, Azure IaaS environments, and Microsoft 365 services. The ideal candidate will ensure the reliability, security, and performance of both on-premise and cloud-based systems, while supporting collaboration tools and enabling infrastructure automation. Key Responsibilities: Manage and maintain Windows Server environments, including Active Directory, DNS, DHCP, and

Systems Administrator - OnsiteJob Title - Systems Administrator - Onsite

General DynamicsCompany Name - General Dynamics

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Lee's Summit, Missouri, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: Confidential Public Trust/Other Required: NACI (T1) Job Family: Systems Administration Job Qualifications: Skills: Active Directory (AD), Microsoft Windows, System Administration Certifications: None Experience: 2 + years of related experience ship Required: Yes Job Description: The Systems Administrator will work directly with the offsite Systems Administrator Advisor and Se

Systems AdministratorJob Title - Systems Administrator

CCS Global TechCompany Name - CCS Global Tech

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Chantilly, Virginia, USA

Full-time

CCS Global Tech is a rapidly growing Information Technology company with a diverse portfolio of technology products and services and a large network of industry partnerships. With over 22 years of being a successful business with a global talent pool and presence, CCS is a certified Microsoft Gold Partner and specializes in delivering expert Microsoft based solutions for technical and business needs. We have been recognized by Inc. 500 Magazine as one of the fastest growing small companies in th

Systems AdministratorJob Title - Systems Administrator

Robert HalfCompany Name - Robert Half

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Monroe, Washington, USA

Full-time

Description We are looking for a motivated Systems Administrator to oversee and enhance the IT operations of our organization in Monroe, Washington. This role requires expertise in managing network infrastructure, providing technical support, and ensuring the smooth functioning of our systems. The ideal candidate will thrive in a dynamic environment and play a key role in aligning technology with business objectives. SPECIFIC DUTIES: Provide onsite support for staff with hardware, software, and

Systems AdministratorJob Title - Systems Administrator

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Huntsville, Alabama, USA

Full-time

Job Number: R0220416 Systems Administrator The Opportunity: Your combination of people skills and technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting law enforcement agencies? We're looking for a systems administrator who spe cia lizes in Windows to help us build solutions to help fight crime. As a systems administrator on our project, you'll ensure the current infrastructure is functional and av

Systems AdministratorJob Title - Systems Administrator

Robert HalfCompany Name - Robert Half

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Livonia, Michigan, USA

Full-time

Description We are looking for a dedicated Systems Administrator to join our team in Livonia, Michigan. This Contract-to-permanent position offers an excellent opportunity to provide technical support and manage IT systems in a collaborative and fast-paced environment. The role requires a hands-on approach to resolving issues, maintaining systems, and delivering exceptional service to end users. Responsibilities: Provide timely and effective technical support to end users across various client

Senior Systems AdministratorJob Title - Senior Systems Administrator

RTX CorporationCompany Name - RTX Corporation

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Tucson, Arizona, USA

Full-time

Date Posted: 2025-07-15 Country: United States of America Location: AZ848: RMS AP Bldg 848 1151 East Hermans Road Building 848, Tucson, AZ, 85756 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: DoD Clearance: Secret Senior System Administrator Tucson, AZ. Must have an active secret clearance we offer relocation! About US: At Rayt

Systems Administrator IVJob Title - Systems Administrator IV

General AtomicsCompany Name - General Atomics

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San Diego, California, USA

Full-time

Job Summary General Atomics (GA), and its affiliated companies, is one of the world's leading resources for high-technology systems development ranging from the nuclear fuel cycle to remotely piloted aircraft, airborne sensors, and advanced electric, electronic, wireless and laser technologies. General Atomics is seeking to hire a Systems Administrator to join our team. This position will be responsible for administration, configuration, installation, provisioning, and monitoring of Linux syst

IT Administrator / Systems Admin - Security & Infrastructure - Must be local to ArizonaJob Title - IT Administrator / Systems Admin - Security & Infrastructure - Must be local to Arizona

IES Holdings, Inc.Company Name - IES Holdings, Inc.

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Tempe, Arizona, USA

Full-time

Job Description Job Title: IT Administrator / Systems Administrator - Security & Infrastructure Reports To: IT Manager Job Summary: Under the direction of the IT Manager, the IT Administrator will oversee and optimize the security and infrastructure of a complex, multi-network, multi-location Windows-based IT environment supporting over 4,000 user accounts. This role requires advanced technical skills balanced with strategic leadership, a deep commitment to cybersecurity, and proven experien

G2 Senior Systems Administrator | Active Top Secret clearanceJob Title - G2 Senior 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 Windows Server, System Administration, Virtual Environments Certifications: None Experience: 6 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Senior Systems Administrator with GDIT. A career in

Systems AdministratorJob Title - Systems Administrator

Robert HalfCompany Name - Robert Half

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Boston, Massachusetts, USA

Full-time

Description Are you an experienced Systems Administrator with a strong background in infrastructure and systems management, eager to contribute to the success of a dynamic professional services firm? This hybrid role, based out of downtown Boston, offers the opportunity to grow your skills in a collaborative environment while working onsite 3 days per week. If you're skilled in Windows Server environments, Active Directory, VMware, and backup solutions, we'd like to hear from you! Key Responsib

Network Systems AdministratorJob Title - Network Systems Administrator

Robert HalfCompany Name - Robert Half

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DeForest, Wisconsin, USA

Full-time

Description About the Role Robert Half is seeking a skilled and adaptable IT Infrastructure & Network Administrator for our clients in the Madison area. This position requires a well-rounded individual with hands-on experience across virtualization, operating systems, endpoint support, and network configuration. You'll play a key part in maintaining uptime, security, and performance across the organization's digital ecosystem. This is a Direct/Permanent Hire role that will require a hybrid wo

Systems AdministratorJob Title - Systems Administrator

Base-2 Solutions, LLCCompany Name - Base-2 Solutions, LLC

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Annapolis, Maryland, USA

Full-time

Job Description Base-2 Solutions is seeking a Systems Administrator 3 who provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and any processes related to these systems. Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc. Provides Tier 1 (Help Desk) and Tier 2 (Escalation) problem identi

IT Systems Administrator / Secret / Onsite: Wichita, KSJob Title - IT Systems Administrator / Secret / Onsite: Wichita, KS

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Wichita, Kansas, 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. The selected candidate will function as part of the IT support team;

DevOps Engineer/Systems AdministratorJob Title - DevOps Engineer/Systems Administrator

SNI TechnologyCompany Name - SNI Technology

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Centennial, Colorado, USA

Contract

Job Details SNI Technology's client is actively seeking to hire an IT DevOps Engineer for an exciting 3-month, contract-to-hire opportunity located in Centennial, CO! Please note this is a hybrid work environment requiring 3 days onsite per week (2 days remote/work from home). Summary We are seeking a mid-level IT professional for a hybrid role combining responsibilities in Systems Administration and Data Warehouse/Python development. This position supports core IT infrastructure, including Li

Senior Systems AdministratorJob Title - Senior Systems Administrator

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Huntsville, Alabama, USA

Full-time

Job Number: R0220402 Systems Administrator, Senior The Opportunity: Your combination of people skills and technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting law enforcement agencies? We're looking for a systems administrator who spe cia lizes in Windows to help us build solutions to help fight crime. As a systems administrator on our project, you'll ensure the current infrastructure is functiona