Windows Systems Administrator Jobs in California

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Systems Administrator / Security Engineer - Windows

Bayside Solutions

Mountain View, California, USA

Contract

Systems Administrator / Security Engineer - Windows W2 Contract Salary Range: $145,600 - $166,400 per year Location: Mountain View, CA - Onsite Role Duties and Responsibilities: Identify solutions to address security vulnerabilities. Test the solutions and create update packages. Author playbooks with documentation to help operators apply updates. Train operators and provide support if and when needed. Requirements and Qualifications: 10+ years of experience administering Windows Server, Wi

Windows System Administrator

Sun Technologies,Inc.

Remote

Contract

Job Title: Windows System Administrator Duration: up to 12 months contract (with the possibility of extension) Location: Remote Work / Work from Home Pay Rate: $60/hr - $70/hr on W2 [the pay rate may differ depending on your skills, education, experience, and other qualifications] Featured Benefits: Medical Insurance in compliance with the ACA401(k)Sick leave in compliance with applicable state, federal, and local laws Skills Required: 8+ years of experience as a Windows Server Administrator o

Sr. Windows Administrator

SES

Remote

Contract

Top Technical Skills: Experience supporting large scale infrastructure preferred. Active Directory Domain Administration VMWare PowerShell Scripting AWS and Azure background Automation background Experience working in a ticket queue Experience with Windows OS upgrades\migrations About SES: Systems Engineering Services Corporation (SESC), founded in 1989, is a leading provider of technology solutions to Fortune 1000 companies and government organizations. Specializing in Accelerated Development

Windows Administrator OR Azure Administrator

Balin Technologies LLC

Santa Ana, California, USA

Contract

We are looking for a professional who has transitioned from a Windows System Administrator role to an Azure Administrator, possessing a strong foundation in both areas. Location: Santa Ana, CA Key Skills Required: Windows Administration:Expertise in Windows AD, Domains, DNS, DHCP, Forest creation, modification, and integration.Security & Authentication:Knowledge of External DNS, NTLM, Kerberos, Certificate Authority, and SAML SSO.Intune AdministrationAzure AD & Tenant ConfigurationO365 Administr

Windows Administrator - Active Directory, VMWare, Power Shell Scripting, AWS

SES

Remote or Denver, Colorado, USA

Full-time

Windows Administrator Type: W2 With Benefits - No C2C Location: Remote - will support Denver, CO hours Experience in the following: Experience supporting large scale infrastructure preferred. Active Directory Domain Administration VMWare PowerShell Scripting AWS and Azure background Automation background Experience working in a ticket queue Experience with Windows OS upgrades\migrations About SES: Systems Engineering Services Corporation (SESC), founded in 1989, is a leading provider of

Windows Administrator

eQuest Solutions

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

Windows and Azure System Administrator

GovCIO

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

Windows Endpoint Administrator, Senior

BlueShield Of California

El Dorado Hills, California, USA

Full-time

Job Description Your Role The Endpoint Strategy and Management team responsible for all engineering all aspects of client devices. The Senior Windows Endpoint Administrator will report to the Sr manager for Productivity Engineering. In this role you will manage all aspects of the windows workstation. This includes enrolling new devices, software management and configuration management through the entire lifecycle of the devices. Responsibilities Your Work In this role, you will: Manage enter

Windows System Administrator

GovCIO

Remote

Full-time

Overview GovCIO is seeking a highly skilled Windows System Administrator to support the management and maintenance of the Veterans Affairs IT infrastructure. This role involves troubleshooting hardware, software, and networking issues, ensuring optimal performance and security, and executing scheduled maintenance and upgrade activities. The candidate will collaborate with stakeholders, government leadership, and engineering teams to design, maintain , and optimize server environments in alignme

Windows/Network Sys Administrator

GovCIO

Remote

Full-time

Overview GovCIO is seeking a highly skilled System Administrator to support the management and maintenance of the Veterans Affairs IT infrastructure. This role involves troubleshooting hardware, software, and networking issues, ensuring optimal performance and security, and executing scheduled maintenance and upgrade activities. The candidate will collaborate with stakeholders, government leadership, and engineering teams to design, maintain , and optimize server environments in alignment with

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,

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

Sr. Windows Administrator/Test Lab Manager TS/SCI Poly $15k SIGN ON!

Leidos

San Diego, California, USA

Full-time

Come join our exciting and fast-growing National Security Group! $15k SIGN ON BONUS! Must have an active TS/SCI Polygraph. 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. The selected candidate will be responsible for performing daily system administration and O&M support activities in support of a complex network environment with geographi

Senior Windows Architect / Administrator, Financial or Trading Experience Required - Work From Home - R

Next Step Systems

Remote

Full-time

Senior Windows Architect / Administrator, Financial or Trading Experience Required - Work From Home We are currently looking for a Senior Windows Architect / Administrator for a great work from home opportunity. We are seeking a talented and self-motivated Senior Windows Administrator to join a growing IT team. Experience with Windows, Active Directory and PowerShell is required. This position is 100% Remote. Senior Windows Architect / Administrator Responsibilities: - The Senior Windows Arch

Senior Windows Engineer / Administrator, Financial or Trading Experience Required - Work From Home - R

Next Step Systems

Remote

Full-time

Senior Windows Engineer / Administrator, Financial or Trading Experience Required - Work From Home We are currently looking for a Senior Windows Engineer / Administrator for a great work from home opportunity. We are seeking a talented and self-motivated Senior Windows Administrator to join a growing IT team. Experience with Windows, Active Directory and PowerShell is required. This position is 100% Remote. Senior Windows Engineer / Administrator Responsibilities: - The Senior Windows Enginee

Senior Windows Administrator, Financial or Trading Experience Required - Work From Home - R

Next Step Systems

Remote

Full-time

Senior Windows Administrator, Financial or Trading Experience Required - Work From Home We are currently looking for a Senior Windows Administrator for a great work from home opportunity. We are seeking a talented and self-motivated Senior Windows Administrator to join a growing IT team. Experience with Windows, Active Directory and PowerShell is required. This position is 100% Remote. Senior Windows Administrator Responsibilities: - The Senior Windows Administrator will be added to an existi

Windows Systems Engineer - Intune

Innovative Information Technologies, Inc

Calabasas, California, USA

Full-time

TITLE: Systems Engineer (Windows, AD, Azure, AWS) LOCATION: Calabasas, CA (hybrid 3 days a week) Type: Fulltime Windows, AWS, Azure, Intune

Systems Engineer III- Azure Entra ID and Windows Security Exp

AgreeYa Solutions

Remote

Contract, Third Party

Job Description: We are seeking a Senior Systems Engineer to join our team of qualified, diverse individuals supporting a Federal Government customer in Rosslyn, VA. Must have resided in the US for the last 5 years In this position you will function as the senior systems engineer which includes architecture, management and day- to-day maintenance of a Microsoft Windows infrastructure, Microsoft Enterprise applications and various third-party applications hosted on-premises and in Azure. Positi

Sr. Windows Systems Engineer - 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

Windows Security Engineer

Quadrant Technologies

Remote

Contract, Third Party

Job Summary: We are seeking a seasoned Advanced Security Domain Expert with deep expertise in Windows Security architecture, OS internals, and strong programming skills in C and C++. The ideal candidate will have a proven track record of designing and implementing security solutions within the Windows ecosystem, including low-level kernel and driver interactions, secure boot, credential protection, and advanced threat mitigation strategies. Key Responsibilities: Design and develop secure systems