Windows OS Administrator jobs in CA

Linux & Windows Systems Administrator II

Anaheim, California

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Today

A large Beverage company in Corona, CA is hiring a System Administrator II -the highest technical support layer for their global IT infrastructure. This role is a direct permanent hire and is a great long term Hybrid Remote opportunity! Job Description: Provide operational support for 600 Windows Servers (Windows Server 2016 and newer) and 120 SUSE Linux servers (SLES 12 and SLES 15), including patching, performance monitoring, and ensuring service availability.Manage and upgrade VMware VCenter

Full-time

USD 110,000.00 - 123,000.00 per year

Sr. Windows Systems Administrator

Hybrid in Oakland, California

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Today

Job Title: Sr. Windows Systems Administrator Job ID: 25-10907 Location: Oakland, CA (Hybrid Local/CA Candidates Only) Duration: 6 Months on W2 Contract Description: Seeking an experienced Windows Administrator with strong PowerShell scripting, SCCM, and Windows Server expertise. The role requires occasional onsite meetings in Oakland or San Ramon. Responsibilities: Support large-scale Windows Server environments (2019 2025).Perform system builds, patching, and maintenance.Write and maintain Powe

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Contract

$72 - $75

Desktop Support Engineer Windows 10 to Windows 11 Migration

Santa Clara, California

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8d ago

Desktop Support Engineer Windows 10 to Windows 11 Migration Location: Santa Clara, CA (Onsite 5 days/week) Duration: 3 Months (Short-Term Project) Job Description We are seeking an experienced Desktop Support Engineer to lead a Windows 10 to Windows 11 migration across a large enterprise environment. This is a fully onsite role in Santa Clara, requiring strong hands-on expertise with Dell Latitude systems, Intune, and Windows 11 imaging. The ideal engineer will be highly skilled in troubleshooti

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Contract

$40 - $45

Windows Administrator

Remote

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Today

Overview GovCIO is currently hiring for a Windows Administrator, to create and maintain team technical instructions, operating procedures and policies as needed. This position will be located in Radford, VA and will be a remote position. Responsibilities This position is for a Senior Systems Administrator supporting the Windows team. This is currently a mixed and growing environment of Windows 2019 and Windows 2022. This position will work with the existing Windows team to manage, maintain, d

Full-time

USD 85,000.00 - 113,000.00 per year

Systems Administrator II, Windows

Remote or Cambridge, England

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Today

Do you like collaborating across teams to solve complex problems? Do you have a passion for cutting edge technologies and tackling system problems? Join our IT Support team Our team is responsible for providing 24*5 Support to IT Applications built on the latest tech stack and consumed by internal business functions to support Akamai customers. We collaborate with cross-functional teams and business units to deliver application support and services. Partner with the best In this role, you'l

Full-time

USD 74,700.00 - 155,300.00 per year

Windows Kernel Engineer

Remote or Hybrid in McKinney, Texas

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4d ago

We are seeking a highly skilled engineer with deep expertise in Windows application and kernel-mode driver development. This role focuses on building robust, secure, and high-performance solutions within the Windows ecosystem, particularly leveraging the Windows Filtering Platform (WFP) for advanced network inspection and control. KeyResponsibilities Designanddevelopkernel-modedriversusingtheWindowsDriverKit(WDK). ImplementadvancednetworkpacketfilteringandinspectionusingtheWindowsFilteringPlatfo

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Full-time

140,000 - 180,000

Windows 11 System Support Technician

Sacramento, California

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3d ago

Windows 11 System Support TechnicianDuration: 12 monthsLocation: Sacramento, CA (Onsite) Client is seeking experienced technicians to provide IT operational support in areas within IT Platform Services and for the 2025 Windows 11 Lifecycle Support and daily operational duties. Deliverables include, but are not limited to: Provide Technology Support for Windows 11 Lifecycle Perform computer user data and software inventory services Perform lifecycle replacement computer services Provide compute

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Contract, Third Party

$30 - $40

C++ Engineer / Windows Systems / Lead

Remote

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Today

There is an exciting opportunity for a strong C++ developer to join a small, but growing company in the gaming industry. This is a remote, full-time position that will begin as an individual contributor, but will eventually lead the team. To be successful in this role, you should have senior-level experience with C++, solid experience scaling complex systems, and working within Windows at an API level. Leadership experience is also a plus. Culturally, you should thrive working in small teams, de

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Full-time

$160000 - $180000

Executive IT Support Specialist (Windows heavy)

San Francisco, California

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9d ago

Our client is seeking an experienced Executive IT Support Specialist to provide high-level technical support to executive staff and trading floor employees. This is a hands-on, on-site role based in San Francisco, ideal for someone with deep expertise in Windows environments (not Mac-heavy) and a passion for delivering white-glove customer service to senior leadership. Key Responsibilities: Serve as the primary point of contact for executive-level end-user support, ensuring prompt and profession

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Contract

Depends on Experience

Senior Software Engineer - Windows Silicon and Hardware Enablement

Mountain View, California

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Today

Overview Microsoft is on a mission to build platforms and products that create and complete magical experiences across Microsoft, to empower every person and organization to achieve more by:Creating iconic end-to-end products across hardware, software, and services that people love and use every day Leading and inspiring the industry through innovation and technology, enabling our ecosystem of partners to thrive Growing our business and the business of Microsoft The Windows Silicon & Systems In

Full-time

USD 119,800.00 - 234,700.00 per year

Software Developer Windows

Remote or Alabama

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Today

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th

Full-time

Windows Power Software Driver Developer, Senior

San Diego, California

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Today

Company: Qualcomm Technologies, Inc. Job Area: Engineering Group, Engineering Group > Software Engineering General Summary: Qualcomm Technologies Inc., the maker of the industry-leading Snapdragon SoCs, is the largest provider of complete chipset solutions for Microsoft Windows-on-Snapdragon products. Qualcomm is committed to developing solutions for the next generation of Windows-on-Snapdragon devices. The ideal software engineer will act as a key member of an Agile Scrum Team and play a pi

Full-time

USD 111,300.00 - 166,900.00 per year

Sr Software Engineer, Rust/C++, MacOS & Windows (Global Protect)

Santa Clara, California

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Today

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

Full-time

USD 104,000.00 - 169,500.00 per year

Principal Software Engineer - Windows Remote Desktop

Remote or Redmond, Washington

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Today

Overview Join the Windows Cloud Experiences team and be at the forefront of redefining how people connect to their Windows environments, anytime, anywhere, from any device. We're building the next-generation remote desktop experience for the web, and we're looking for bold, creative engineers to help us push the boundaries of what's possible. As part of the Windows + Devices organization, our team thrives on innovation, fast iteration, and a deep commitment to delivering delightful, high-perfor

Full-time

USD 139,900.00 - 274,800.00 per year

Windows Infrastructure-as-Code Systems Engineer

El Segundo, California

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Today

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,

Full-time

USD 135,200.00 - 220,000.00 per year

Linux/Windows Senior Systems Administrator

San Diego, California

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Today

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

Full-time

USD 81,600.00 - 143,865.00 per year

Staff Windows Security Engineer- TikTok BRIC Client Security

San Jose, California

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Today

Responsibilities Anti-Automation Solutions (AA) is part of Business Integrated Risk Control(BRIC) team. Automated fraud refers to technical methods used by hackers to perform API abuse at scale using scripts and tools. Our vision is to establish an industry-leading team with a focus on end-to-end defense-in-depth systems with privacy and business needs in mind. We are responsible for continuously iterating over identifying and combating automated fraud through client environment inspection, ris

Full-time

USD 208,800.00 - 438,000.00 per year

Senior Windows Security Engineer- TikTok BRIC Client Security

San Jose, California

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Today

Full-time

USD 187,040.00 - 359,720.00 per year

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Windows OS Administrator jobs in California, USA