Principal Windows Systems Administrator Jobs in California

21 - 40 of 324 Jobs

Azure Cloud Systems AdministratorJob Title - Azure Cloud Systems Administrator

OdesusCompany Name - Odesus

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Los Angeles, California, USA

Contract

A large government agency located in downtown Los Angeles is looking for a Systems Administrator for Cloud Environment (Azure IaaS). This will be a 12-month contract and will be fully onsite, 5 days a week. Objective: The Systems Administrator will be asked to support, manage, and secure systems hosted in the Azure IaaS Cloud environment, while also supporting web development and integration efforts. The contractor will work closely with internal teams and external vendors to implement, secure

Systems Administrator I, IT InfrastructureJob Title - Systems Administrator I, IT Infrastructure

tax.comCompany Name - tax.com

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Remote or Braga, Braga, Portugal

Full-time

Why Ryan? Competitive Compensation and BenefitsHome Office StipendBusiness Connectivity Reimbursement (Phone/Internet)Gym Membership or Equipment ReimbursementLinkedIn Learning SubscriptionFlexible Work EnvironmentTuition Reimbursement After One Year of ServiceAccelerated Career PathAward-Winning Culture & Community Outreach The Systems Administrator I maintains and manages server computing and storage platforms, including, but not limited to, installation, configuration, preventive maintenanc

Senior Systems Administrator (Australia) - TS/SCI with PolygraphJob Title - Senior Systems Administrator (Australia) - TS/SCI with Polygraph

General DynamicsCompany Name - General Dynamics

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Hayward, California, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Linux, System Administration, Windows Applications Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: General Dynamics Information Technology (GDIT) is seeking an IT Engineer with Mi

Network/Systems AdministratorJob Title - Network/Systems Administrator

GovCIOCompany Name - GovCIO

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Remote

Full-time

Overview GovCIO is currently hiring for a Systems Administrator IV to support the Department of Veterans Affairs by maintaining and optimizing server and client operating systems across a remote enterprise environment. This position will be fully remote within the United States. Responsibilities Establishes and maintains smooth operation of computer systems (to include operating systems, software and hardware) in networked or stand-alone configurations, maintains system integrity, and upgrade

IT Systems Administrator / Top Secret / Onsite: Palmdale, CAJob Title - IT Systems Administrator / Top Secret / Onsite: Palmdale, CA

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Palmdale, California, 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 Martin

Senior Systems AdministratorJob Title - Senior Systems Administrator

Stanford UniversityCompany Name - Stanford University

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Redwood City, California, USA

Full-time

Employer: The Leland Stanford Jr University Position Title: Senior Systems Administrator Position Description: Responsible for the virtual desktop infrastructure (VDI) service and all technology related to this offering, including but not limited to support of the underlining VSphere infrastructure and underlining operating system language, network, storage and view administrator. Design, develop, install, and maintain operating systems, utilities, and applications software on computing system

Systems Administrator Senior - TS/SCI requiredJob Title - Systems Administrator Senior - TS/SCI required

General DynamicsCompany Name - General Dynamics

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Shafter, California, USA

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Active Directory (AD), IT Hardware, Microsoft Windows Server Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Systems Administrator Senior - TS/SCI required Transform technology into opport

VMware Systems AdministratorJob Title - VMware Systems Administrator

SAICCompany Name - SAIC

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San Diego, California, USA

Full-time

Job ID: 2504379 Location: SAN DIEGO, CA, US Date Posted: 2025-04-29 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: TS/SCI Potential for Remote Work: No Description SAIC is looking for a VMware Systems Administrator with an emphasis on VMware. This position is located in San Diego, CA. Responsibilities will include: Operation and maintenance of Windo

Systems Administrator IIIJob Title - Systems Administrator III

Sierra Nevada CorporationCompany Name - Sierra Nevada Corporation

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Remote or Sparks, Nevada, USA

Full-time

Do you have an eye for detail and a passion for developing innovation solutions? Join our team! As a Systems Administrator , you will be using your skills and expertise to assist in the analysis, development, and configuration of our existing software and systems that address business requirements and processes. You'll be responsible for evaluating the interface between hardware and software, operational requirements, and characteristics of our systems, establishing and documenting system parame

Systems Administrator, Senior (MSO)Job Title - Systems Administrator, Senior (MSO)

General DynamicsCompany Name - General Dynamics

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Livermore, California, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: IT Networking, Networking, Networking Support Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Systems Administrator/Mission Support Operator - $10K Sign-on bonus *Classified work and therefore must be on-si

Sr Systems AdministratorJob Title - Sr Systems Administrator

Sierra Nevada CorporationCompany Name - Sierra Nevada Corporation

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Remote or Lone Tree, Colorado, USA

Full-time

Do you have an eye for detail and a passion for developing innovation solutions? Join our team! As a Sr Systems Administrator, you will be using your skills and expertise to assist in the analysis, development, and configuration of our existing software and systems that address business requirements and processes. You'll be responsible for evaluating the interface between hardware and software, operational requirements, and characteristics of our systems, establishing and documenting system para

Systems Op AdministratorJob Title - Systems Op Administrator

Talent GroupsCompany Name - Talent Groups

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Remote

Contract

Position: Systems Op Administrator Location: Remote - must work EST hours Job Type: Contract Duration: 12 months to start Job Description Responsible for the day-to-day support and maintenance of the client's EIM (Enterprise Information Management) technology stack.Product support includes but not limited to: DB2 (bridging the gap between developer/engineers and DBAs)SAP (Business Objects) Data Services BODI (primary ETL/Integration tool)Informatica (PowerCenter, PowerExchange, and IICS)WebFOCU

Systems Administrator / Technical Lead Process Control SystemsJob Title - Systems Administrator / Technical Lead Process Control Systems

I.T. SolutionsCompany Name - I.T. Solutions

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Foster City, California, USA

Contract

Job Title: Systems Administrator / Technical Lead Process Control Systems Location: Foster City, Onsite (5 days a week) Duration: Long Term Contract Job Summary: We are looking for an experienced professional who will be responsible for administration of Rockwell FactoryTalk-based process control systems and Inductive Automation s Ignition-based process control and environmental monitoring systems. The candidate should have hands-on experience deploying, configuring, and troubleshooting these sy

Sr. Systems AdministratorJob Title - Sr. Systems Administrator

Ledgent TechnologyCompany Name - Ledgent Technology

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Upland, California, USA

Full-time

We are partnering with a leading Real Estate Company in Upland, CA hiring an IT Systems Administrator. This is a Direct Hire position Mondays to Thursdays on Site, Fridays Remote Start Time can be between 6 AM to 9 AM, company is very flexible as they think family comes first We are looking for a Senior IT Systems Administrator who has at least 5 years of professional experience, specialized in Server Administration, Storage Administration, and Disaster & Recovery Need to be very strong in W

Systems Administrator (Azure Cloud and Web Development Support)Job Title - Systems Administrator (Azure Cloud and Web Development Support)

Satwic IncCompany Name - Satwic Inc

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Los Angeles, California, USA

Third Party, Contract

Responsibilities: Cloud Systems Support & Administration Manage and support Client's systems in Microsoft Azure IaaS environment, including setup, configuration, and deployment of infrastructure components.Provide security hardening, access control implementation, and operational support for cloud assets.Collaborate with internal and external development teams to deploy cloud-hosted solutions with secure configurations.Ensure proper integration of cloud services with on-premises infrastructure u

Systems Administrator- Active DirectoryJob Title - Systems Administrator- Active Directory

EsriCompany Name - Esri

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Redlands, California, USA

Full-time

Overview Seeking highly motivated IT professional that's looking for a challenging position with a variety of responsibilities. We have an opening that will allow you to utilize your technical expertise to help build, secure, and grow enterprise scale infrastructure in a fast-paced environment. If you have a drive for success and work well with a diverse team, let's talk, and see if Esri is the right fit for your career. Responsibilities Provide support and maintenance for Microsoft Active Dir

Systems Administrator IIJob Title - Systems Administrator II

Sierra Nevada CorporationCompany Name - Sierra Nevada Corporation

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Remote or Plano, Texas, USA

Full-time

Do you have an eye for detail and a passion for developing innovation solutions? Join our team! As a Systems Administrator II, you will be using your skills and expertise to assist in the analysis, development, and configuration of our existing software and systems that address business requirements and processes. You'll be responsible for evaluating the interface between hardware and software, operational requirements, and characteristics of our systems, establishing and documenting system para

Systems Administrator 2Job Title - Systems Administrator 2

NightwingCompany Name - Nightwing

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Remote or Annapolis, Maryland, USA

Full-time

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

Systems Administrator 3Job Title - Systems Administrator 3

NightwingCompany Name - Nightwing

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Remote or Annapolis, Maryland, USA

Full-time

Linux Systems Administrator - Active ClearanceJob Title - Linux Systems Administrator - Active Clearance

Aduril IndustriesCompany Name - Aduril Industries

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Costa Mesa, California, USA

Full-time

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c