Windows System Administrator Jobs in California

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IT Windows System Administrator

SpaceX

Hawthorne, California, USA

Full-time

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. IT WINDOWS SYSTEMS ADMINISTRATOR SpaceX is looking for a Systems Administrator with knowledge and broad experience across Microsoft-based technologies. This employee will be a member of the Information Technology Wind

Principle Windows System Administrator

RTX Corporation

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

Sr Windows Systems Administrator

RTX Corporation

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 Systems Administrator (Linux/Windows)

GovCIO

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 (Windows / Linux) / Hybrid: Highlands Ranch, CO

Lockheed Martin Corporation

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.

Linux/Windows Senior Systems Administrator

Lockheed Martin Corporation

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

Windows System Vulnerability Management Coordinator/Admin

Navigant Consulting

Remote

Full-time

Job Family: IT Cyber Security (Digital) Travel Required: None Clearance Required: Ability to Obtain Public Trust What You Will Do: Provide operating system level vulnerability management and coordination, including waiver documentation and approvals.Manage all aspects of the Windows 2012, 2016, 2019, and 2022 virtual and physical servers including; upgrades, patching, troubleshooting, resolving, designing, communicating, analyzing system logs, managing network, volume, and storage configurati

Systems Administrator - Linux/Windows

GovCIO

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

System Administrator

BCforward

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 / Linux Systems Administrator - REMOTE (ship required)

Oracle Corporation

Remote

Full-time

Job Description Building off our Cloud momentum, Oracle has formed a new organization - Oracle Health Applications & Infrastructure. This team will focus on product development and product strategy for Oracle Health, while building out a complete platform supporting modernized, automated healthcare. This is a net new line of business, constructed with an entrepreneurial spirit that promotes an energetic and creative environment. We are unencumbered and will need your contribution to make it a w

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,

Sr. Windows Consultant-Remote - long term - ()

USG, Inc.

US

Third Party, Contract

Role Name: Sr. Windows Consultant Location: US Remote Duration: 6+ Months Job description: Common Skills: PowerShell Scripting Knowledge/Proficiency Security Patching of on-premise Platforms Microsoft Office Suite of tools/features Understanding of Microsoft Licensing Proven background in Administration of targeted technologies Proven Troubleshooting skills Excellent Communication Skills Ability to document technical processes Ability to work with end users to resolve their issue in a timely

Windows Kernel Developer (C++)

Request Technology, LLC

Remote

Full-time

NO SPONSORSHIP Principal Kernel Engineer SALARY: $235,000 - $275,000 plus 10% bonus and pre-IPO stock LOCATION: remote You will focus on stopping ransomware. New features, bug fixes, performance enhancements, write high quality multithread. Safe code c++ in both Kernal mode win32 APIs and NT Kernal internals reverse engineering windows mini-filter drivers windows filter platform call out drivers SQL databricks rust c++ We deliver an anti-ransomware solution that breaks new ground as to what an a

Sr. Windows OS Software Engineer

Collinwood Technology Partners

Remote

Full-time

Sr. Windows OS Software Engineer Can you customize and configure the Windows OS platform to integrate with embedded devices ? Do you have an understanding in device driver development as well as OS image creation and deployment to a wireless device; ? C++ for windows experience ? Have you done low level OS development ? Experience w/ Typescript of GraphQl ? Responsibilities: Will customize and configure the Windows OS Platform to integrate with wireless embedded devices such as cameras, US

Senior Software Engineer (C/C++) (Windows)

PaloAlto Networks

Santa Clara, California, USA

Full-time

Company Description Our Mission At Palo Alto Networks everything starts and ends with our mission: Being the cybersecurity partner of choice, protecting our digital way of life. Our vision is a world where each day is safer and more secure than the one before. We are a company built on the foundation of challenging and disrupting the way things are done, and we're looking for innovators who are as committed to shaping the future of cybersecurity as we are. Who We Are We take our mission of

Senior Windows Software Developer

Fortinet

Sunnyvale, California, USA

Full-time

Job Description Join Fortinet, a cybersecurity pioneer with over two decades of excellence, as we continue to shape the future of cybersecurity and redefine the intersection of networking and security. Fortinet is seeking a Senior Windows Software Developer to join our FortiClient Software team. As a Senior Windows Software Developer, you will: Be proficient in C/C++ with a strong understanding of object-oriented programming. Have extensive experience in network programming and a solid underst

Windows Systems Engineer

Virginia Jobs

Remote or Harrisonburg, Virginia, USA

Full-time

Working Title: Windows Systems Engineer State Role Title:Information Technology Specialist II Position Type:Full-time Staff (Classified) Position Status: Full-Time FLSA Status: Exempt: Not Eligible for Overtime College/Division: Information Technology Department: 100212 - IT - Infrastructure Services Pay Rate:Maximum Starting Specify Range or Amount: $75,190.00 Is this a JMU only position?No Is this a grant-funded position?No Is this a Conflict of Interest designated position?No Beginning Re

Sr. C++ Windows Developer

Esri

Redlands, California, USA

Full-time

Overview ArcGIS Pro is a powerful geographic information system (GIS) software that is used to analyze, visualize, and share spatial data, helping to solve real-world problems. As a part of this team, you will have the opportunity to develop streamlined editing tools and experiences. These will be implemented in our next software release, enabling our users to deliver crucial data and make informed decisions for a better world. This is a great opportunity to join a fast-paced, agile team that w

C++ Windows Developer II - ArcGIS Pro

Esri

Redlands, California, USA

Full-time

Overview ArcGIS Pro is a powerful geographic information system (GIS) software that is used to analyze, visualize, and share spatial data, helping to solve real-world problems. As a part of this team, you will have the opportunity to develop streamlined editing tools and experiences. These will be implemented in our next software release, enabling our users to deliver crucial data and make informed decisions for a better world. This is a great opportunity to join a fast-paced, agile team that w

Remote System Admin | Linux Engineer | Unix Engineer or Windows System Engineer

Diversified Technology, Inc.

Remote

Third Party, Contract

Linux Systems Engineerwith experience inAdministrationfor a one year(with possibility of extension) Must work on our W2 The Systems Engineer ESP supports our Enterprise Server Platforms. The incumbent must have knowledge of server(Windows or Linux) administration, configuration, troubleshooting, security, scripting, and networking. Strong communication and documentation skills are required as the candidate will typically be working with customers for support and new initiatives. Principal Acco