Microsoft Windows Jobs in California

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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

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

IT Support Specialist

Fort Technologies Inc.

Santa Clara, California, USA

Contract

Position: IT Support Specialist Duration: One Year Location: Santa Clara, CA - Onsite Job Description: Proven experience delivering high-quality technical support to end users Proficient in supporting Windows 10/11 and macOS platforms, including troubleshooting OS-level issues and managing updates. Capable of diagnosing and resolving software and hardware issues both remotely and in person. Comfortable working independently or as part of a cross-functional team in fast-paced environments.

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

Intelliswift Software Inc

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

Linux and Windows System Administration

Apex Systems

San Diego, California, USA

Full-time

Job#: 2081986 Job Description: Linux and Windows Sys Admin San Diego, CA Our Client is looking for a candidate to provide Linux server administration and Windows desktop administration on the Research, Development, Test, and Evaluation (RDT&E) network supporting a US Government Customer. The selected candidate will work as the primary System Administrator for the upkeep and maintenance of three separate enclaves used by this project for their development. In addition, this administrator will m

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

C++Software Engineer - Windows Kernel Mode Engineer

Request Technology, LLC

Remote

Full-time

NO SPONSORSHIP Senior Kernel Engineer - C++ Windows Kernel Mode SALARY: $210,000 - $250,000 plus 10% bonus and pre-IPO stock LOCATION: remote SELLING POINTS: SQL/Databricks developing automated telemetry rust c++ kernel engineer. Kernal mode and user mode production quality driver for windows nt win 32 apis NT kernal internal reverse engineering windows mini-filters drivers and windows filter platform callout drivers Industry s first dedicated, adaptive security platform that combines multiple

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

Sr. Windows Systems Engineer with strong Exchange experience - 100% onsite

Calance

Irvine, California, USA

Full-time

Our client is looking for a seasoned Systems Engineer. The right candidate will have an in-depth knowledge of Microsoft Core Infrastructure Suite of products. Additionally, experience administering a highly available transactional environment that has PCI, HIPAA or other regulatory compliance his highly preferred. This position offers an opportunity to play a key role in a dynamic, fast paced, collaborative and highly productive team. You will assist our customer in its journey to mature it s in

Hybrid Systems Engineer, Sr (Windows / Linux) / Onsite: CO

Lockheed Martin Corporation

Remote or Littleton, Colorado, 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. This Enterprise Operations (EO) position supports the Lockheed Marti

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.

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

Windows Platforms Engineer

JDA TSG

Remote

Full-time

JDA TSG has immediate opportunities for Windows Platforms Engineer to join our team working as Customer Engineers (CE s). Positions are full time salaried roles offering comprehensive benefits. A CE s time is dedicated to working with some of the largest, and most sophisticated companies in the world, usually F1000 companies. CE s work with and assist customers in building, deploying, operating, and optimizing complex enterprise environments. You will be responsible for customer satisfaction, de

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

Windows VMWare SME with VCF

Alpha Silicon

US

Full-time, Contract, Third Party

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

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

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 / 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 System Administrator

RTX Corporation

El Segundo, California, USA

Full-time

Date Posted: 2025-07-15 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

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