Windows Administrator Jobs in California

1 - 20 of 312 Jobs

Linux/Windows Senior Systems AdministratorJob Title - Linux/Windows Senior Systems Administrator

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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San Diego, California, USA

Full-time

Job Description WHO WE ARE Lockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future of the industry. With a rich legacy of excellence and a commitment to delivering advanced capabilities to our customers, we are proud to be at the forefront of cutting-edge technology and engineering. WHAT WE'RE DOING At Lockheed Martin, we're revolutionizing the aerospace and defense sector through groundbreakin

Systems Administrator (Windows / Linux) / Hybrid: Highlands Ranch, COJob Title - Systems Administrator (Windows / Linux) / Hybrid: Highlands Ranch, CO

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Remote or Highlands Ranch, Colorado, USA

Full-time

Job Description Lockheed Martin's Enterprise Business & Digital Transformation (EBDT) organization 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 people works with partners around the world to bring proven performance 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.

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 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

Principle Windows System AdministratorJob Title - Principle 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: 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: 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 calli

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

Sr Windows Systems AdministratorJob Title - Sr Windows Systems Administrator

RTX CorporationCompany Name - RTX Corporation

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El Segundo, California, USA

Full-time

Date Posted: 2025-07-02 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: 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 calli

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

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,

Senior Systems Administrator (Linux/Windows)Job Title - Senior Systems Administrator (Linux/Windows)

Ledgent TechnologyCompany Name - Ledgent Technology

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Fremont, California, USA

Full-time

We are seeking a highly skilled Senior System Administrator to join our client's enterprise IT team, which is onsite in Fremont, CA. We are unable to consider 3rd party candidates. In this role, you will be responsible for maintaining, securing, and optimizing mission-critical systems and infrastructure across a complex, multi-site environment. You will take initiatives to improve performance, reliability, scalability, and security, including cloud services, servers, storage, virtualization, s

Senior Systems Administrator (Linux/Windows)Job Title - Senior Systems Administrator (Linux/Windows)

GovCIOCompany Name - GovCIO

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Remote

Full-time

Overview GovCIO is hiring for a Senior 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 Washington, DC and will be a hybrid remote with periodic onsite customer work activities. Must be willing to work nights, have an active Sec

Systems Administrator - Linux/WindowsJob Title - Systems Administrator - Linux/Windows

GovCIOCompany Name - GovCIO

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Remote

Full-time

Overview 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 hybrid with periodic customer site work activities. Must be willing to work nights, have a Security+ certification, and an active Top Secret clearance. Responsibilities Position Description: In this role you will: Pr

Systems Administrator - Linux/WindowsJob Title - Systems Administrator - Linux/Windows

GovCIOCompany Name - GovCIO

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Remote

Full-time

Windows and Azure System AdministratorJob Title - Windows and Azure System Administrator

GovCIOCompany Name - GovCIO

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Remote

Full-time

Overview GovCIO is hiring a highly skilled Windows and Azure System Administrator with experience in cloud environments for the Department of Veterans Affairs. The candidate will maintain the infrastructure, ensure optimal system performance, and uphold stringent security measures. This position is fully remote within the United States. Responsibilities Implement and optimize monitoring solutions to track system health, performance, and security. Conduct regular maintenance, updates, and patc

Property Systems Technical EngineerJob Title - Property Systems Technical Engineer

Peterson Technology PartnersCompany Name - Peterson Technology Partners

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Remote

Contract

Requirement Description: The Property Systems Technical Engineer assume responsibility in either support or project engineering roles.In both the roles the Property Systems Technical Engineer will communicate with various teams to deliver the required tasks towards Property Systems implementation and operation.Those include incident management tasks and ITIL best practices for Property Systems Technical Engineers allocated to support and project specific tasks and runbook implementation for thos

Systems EngineerJob Title - Systems Engineer

eQuest SolutionsCompany Name - eQuest Solutions

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Los Angeles, California, USA

Full-time

System AdministratorJob Title - System Administrator

BCforwardCompany Name - BCforward

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Remote

Contract

System Administrator BCforward is currently seeking a highly motivated System Administrator for a remote opportunity! Position Title: System Administrator Location: Remote Anticipated Start Date: ASAP Please note this is the target date and is subject to change. BCforward will send official notice ahead of a confirmed start date. Expected Duration: Initial 6 month-contract Job Type: Contract Pay Range: $46/hr-$50/hr Please note that actual compensation may vary within this range due to fact

Windows OS Query Developer-RemoteJob Title - Windows OS Query Developer-Remote

Reliable Software ResourcesCompany Name - Reliable Software Resources

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Remote

Third Party, Contract

Windows OS Query Developer Remote 6+ months contract Requirements: Need someone with user development or kernel experience; tracing events in Windows that will be put in a format for file integrity monitoring.Windows driver development experience: current active in-depth experience Windows OS Query is used - open sourced - needs to have familiarity with this.Python or go experience a requirementFamiliarity with Git, Gitlab, CICD methodologies

Technical Business AnalystJob Title - Technical Business Analyst

NTT DATA Americas, IncCompany Name - NTT DATA Americas, Inc

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Remote or Pittsburgh, Pennsylvania, USA

Contract

Technical Business Analyst - 25-05391 100% REMOTE 6+ Months Duration W2 or C2CNTT DATA's Client is seeking a Technical Business Analyst to serve as the operational resource to help achieve remediation of user/service accounts (password resets), gather and improve data on system/application ownership, and coordination of Java remediation. Additional coordination and remediation activities as assigned. Role Scope / Deliverables: Account Management Coordination: Track and coordinate user account pa

Windows VMWare SME with VCFJob Title - Windows VMWare SME with VCF

Alpha SiliconCompany Name - Alpha Silicon

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Full-time, Third Party, Contract

Title: Windows VMWare SME Location: Remote Terms: Contract Job Description Responsibilities: - Design & Configure VMWare Workspace One Tunnel & VMWare Tunnel Proxy. Design & Configure Per-App VPN & Per-App Tunnel (AirWatch App-Tunnel) for Mobile Applications. Design & Configure Network Traffic Rules on VMware Workspace One. Design & Configure Certificate Authentication for Mobile SSO. Design & Configure Tunnel Mode (Per-App vs Full Device Tunnel) in VMware Workspace One Design & Configure VMw