Principal Windows Systems Administrator Jobs

21 - 40 of 1,811 Jobs

Proactive - Windows AdministratorJob Title - Proactive - Windows Administrator

Apex SystemsCompany Name - Apex Systems

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Dahlgren, Virginia, USA

Full-time

Job#: 2081500 Job Description: Overview SYSTEMS ADMINISTRATOR (WINDOWS) (RDTE) Apex seeks a Systems Administrator (Windows) to provide customer support and technical assistance to users supporting a Research, Development, Test and Evaluation Program in Dahlgren, VA at the Naval Surface Warfare Center Dahlgren Division (NSWCDD). Responsibilities The Systems Administrator will be responsible for: Answering questions about installation, operation, configuration, customization and usage of assi

Windows System AdministratorJob Title - Windows System Administrator

RTX CorporationCompany Name - RTX Corporation

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El Segundo, California, USA

Full-time

Date Posted: 2025-07-07 Country: United States of America Location: CA323: 2000 E Imperial Hwy Bldg R01 2000 East Imperial Highway Building R01, El Segundo, CA, 90245 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 At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - t

Senior Windows System AdministratorJob Title - Senior Windows System Administrator

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

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Phoenix, Arizona, USA

Full-time

We are looking for a Senior System Administrator to join this growing team! This is a full-time, remote position; however, we are seeking someone located in the greater Phoenix area who can come into the office occasionally for mission-critical events and team-building activities. Are you looking for a dynamic opportunity with a Phoenix-based company to work as a Senior System Administrator? Look no further-this could be the opportunity for you! As a Senior System Administrator, you will play a

Linux/Windows System AdministratorJob Title - Linux/Windows System Administrator

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Moorestown, New Jersey, USA

Full-time

Job Description WHAT WE'RE DOING The AEGIS O&M program is seeking a Linux/Windows System Administrator in Moorestown NJ. This facility houses both Navy and Lockheed Martin personnel. It primarily serves as a research and development facility for the AEGIS Combat System. AEGIS is a revolutionary naval air defense system capable of guarding against missile threats from land, sea and air. WHO WE ARE Our current team handles everything from: Periodically travelling to different customer sites ar

Systems Engineer-Linux/WindowsJob Title - Systems Engineer-Linux/Windows

Elite TechnicalCompany Name - Elite Technical

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Manassas, Virginia, USA

Contract

Absolutely no third parties please !! Our direct client is seeking a Systems Engineer for a long term consulting engagement. This is an onsite position in Manassas VA. Requires a Bachelor's degree in STEM field and 5+ years of job-related experience or a Master's degree plus 3 years of job-related experience. Agile experience preferred.. Strong Linux & Windows systems administration skills Familiarity with Red Hat High Availability solutions (Pacemaker, PCS, DRBD) Experience with virtualiza

System Administrator (Windows or Linix Admin)Job Title - System Administrator (Windows or Linix Admin)

MindlanceCompany Name - Mindlance

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New Castle, Delaware, USA

Contract

System Administrator (Windows or Linix Admin) Location: New Castle, DE 19720, USA Duration: 12 months (possible extension or conversion) Job Description Must have 5 years of experience in system Administration (windows or Linux server Admin)Should have basic netwrking experience.PKI expereince is an added advantage.Security (network or cyber) is an added advantage.Linux OS expereince is mandatory.Good to Have Certifications (CISSP, CCNA/CCNP, CEH, Redhat, ITIL, MCSE)

Windows Systems ArchitectJob Title - Windows Systems Architect

Beacon Systems, IncCompany Name - Beacon Systems, Inc

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Duncan, Oklahoma, USA

Contract

Beacon Systems, Inc, delivers Program Management, Science, Engineering, and Technology Solutions to Federal, Commercial State, and Local Agencies. We are a subsidiary of Radiant Digital Solutions. Our Technology support to many DoD Agencies, NASA, Voice of America, FDA, and State Agencies such as State of FL, RI, MS, ND, VA, and WV extends our delivery of solutions worldwide. We are looking for a Windows Systems Architect - Duncan, OK.If you are interested in applying for this requirement, pleas

Senior Windows System AdministratorJob Title - Senior Windows System Administrator

RTX CorporationCompany Name - RTX Corporation

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El Segundo, California, USA

Full-time

Date Posted: 2025-06-17 Country: United States of America Location: CA222: 2006 E El Segundo Blvd BldgE04 2006 East El Segundo Boulevard Building E04, El Segundo, CA, 90245 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to

Onsite Hybrid Cloud Systems Engineer, Azure, SQL Server, Windows, Active DirectoryJob Title - Onsite Hybrid Cloud Systems Engineer, Azure, SQL Server, Windows, Active Directory

Intelliswift Software IncCompany Name - Intelliswift Software Inc

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Los Angeles, California, USA

Contract

Hybrid Cloud Systems Engineer, Azure, SQL Server, Windows, Active Directory for a contract position. This position can be hybrid onsite in the Los Angeles or San Francisco area. No 3rd party C2C, H1B. What you will be doing: Support planning, design, implementation, operation, and optimization of hybrid cloud infrastructure Azure, SQL Server, WindowsEvaluate environment and recommend architectural improvementsImplement solutions IaaS, PaaSEmbed Financial Operations best practicesSupport and Data

Network Systems Engineer - Secret Clearance-Linux/WindowsJob Title - Network Systems Engineer - Secret Clearance-Linux/Windows

Liberty Personnel, IncCompany Name - Liberty Personnel, Inc

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Horsham, Pennsylvania, USA

Full-time

Network Systems Engineer - Secret Clearance- Linux/Windows Join a dynamic and innovative technology company where your skills will be challenged, and creativity is welcomed. We offer a collaborative work environment focused on problem-solving with cutting-edge technologies. This role provides the perfect platform for individuals eager to make a tangible impact and grow in their field while supporting a diverse range of critical projects. **Key Qualifications:** - Secret clearance required, with

Windows/Linux System Administrator only W2 candidatesJob Title - Windows/Linux System Administrator only W2 candidates

Nasscomm, Inc.Company Name - Nasscomm, Inc.

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Dallas, Texas, USA

Contract

Role: Windows/Linux System Administrator Duration: 5+ months Location: Dallas, TX Seeking an experienced Windows/Linux System Administrator that will be working in a highly collaborative, multi-platform and multi disciplined environment.The System Administrator will be responsible for administering systems in Azure and AWS Cloud Environments.The candidate will be responsible for provisioning, installation/configuration, operation, and maintenance of systems hardware and software related to a Win

Windows System AdministratorJob Title - Windows System Administrator

General DynamicsCompany Name - General Dynamics

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Fort Belvoir, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Information Technology (IT) Systems, System Administration, System Security, Technical Support Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Systems Administrator Se

Information Systems Analyst (Windows)Job Title - Information Systems Analyst (Windows)

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Georgia, USA

Full-time

Job Description This position requires an active Secret clearance with the ability to obtain Top Secret clearance. Lockheed Martin Space Information Systems Analyst position will support military Space Programs. This position receives day-to-day operations guidance from program staff and will report to the LM IS SWFLANT IT OPS Manager. We are looking for a passionate and dedicated individual who is well-versed in Windows System Administration and has a strong understanding of network, server,

Windows AdministratorJob Title - Windows Administrator

eQuest SolutionsCompany Name - eQuest Solutions

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Los Angeles, California, USA

Full-time

Please note I have direct access to the Hiring Director on this position. This is an outstanding opportunity for a Sr. Systems Engineer / Windows Administrator to drive the growth and enhancement of the Azure environment from the ground up. We are a leading and growing hospitality company in our niche and are looking for a Sr. Systems Engineer / Windows Administrator. We are a publicly traded company that has been in business for 74+ years, realized $3.6B in revenue in 2024 (15 % increase over p

Sr. Windows Administrator/Test Lab Manager TS/SCI Poly SAN DIEGO, CAJob Title - Sr. Windows Administrator/Test Lab Manager TS/SCI Poly SAN DIEGO, CA

LeidosCompany Name - Leidos

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San Diego, California, USA

Full-time

Come join our exciting and fast-growing National Security Group! This position is located in San Diego, CA. *You must have an active TS/SCI Polygraph up front. No exceptions.* 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. You will be responsible for performing daily system administration and O&M support activities in support of a comple

Windows Systems Engineer, TS/SCI w/PolyJob Title - Windows Systems Engineer, TS/SCI w/Poly

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Chantilly, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Microsoft SQL Database, VMware Clusters, Windows Engineering, Windows System Administration Certifications: None Experience: 15 + years of related experience ship Required: Yes Job Description: At GDIT, people are our differentiator.

Windows Systems Engineer, TS/SCI w/PolyJob Title - Windows Systems Engineer, TS/SCI w/Poly

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Chantilly, Virginia, USA

Full-time

Windows Systems Engineer, TS/SCI w/PolyJob Title - Windows Systems Engineer, TS/SCI w/Poly

General DynamicsCompany Name - General Dynamics

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Chantilly, Virginia, USA

Full-time

Principal Systems AdministratorJob Title - Principal Systems Administrator

SAICCompany Name - SAIC

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Colorado Springs, Colorado, USA

Full-time

Job ID: 2504319 Location: COLORADO SPRINGS, CO, US Date Posted: 2025-06-24 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: TS/SCI Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: No Description SAIC's Horizon 2 contract is seeking an energized and professional Principal Systems Administrator to support the contract's secure operating faciliti

Windows Endpoint Applications AdministratorJob Title - Windows Endpoint Applications Administrator

Aerospace CorporationCompany Name - Aerospace Corporation

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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,