Systems Administrator Jobs in Corona, CA

1 - 20 of 65 Jobs

Systems Administrator III, ApplicationsJob Title - Systems Administrator III, Applications

Kaiser PermanenteCompany Name - Kaiser Permanente

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Chino Hills, California, USA

Full-time

Job Summary: In addition to the responsibilities listed below, this position participates in the incident and problem management process by resolving complex issues (e.g., root cause analysis, coordinate prevention plan execution) and addressing escalations as appropriate. Essential Responsibilities: Completes work assignments by applying up-to-date knowledge in subject area to meet deadlines; following procedures and policies, and applying data and resources to support projects or initiatives

Systems Administrator IIJob Title - Systems Administrator II

Apex SystemsCompany Name - Apex Systems

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Norco, California, USA

Full-time

Job#: 2082107 Job Description: Job Title: Systems Administrator Location: Norco, California (Full time on-site) Clearance Required: Active DoD Secret (TS/SCI preferred) Email Julissa Rowell at to apply! Overview: Our client is seeking a Systems Administrator to support a DoD client in Norco, California. This role will work under the guidance of the Senior Systems Administrator and collaborate with cybersecurity professionals, program analysts, and fellow system administrators in a dynamic,

Systems AdministratorJob Title - Systems Administrator

Aditi ConsultingCompany Name - Aditi Consulting

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Santa Ana, California, USA

Contract

Payrate: $50.00 - $55.00/hr. Summary: We are seeking a skilled and motivated Exchange, Office 365, SQL DBA, and Intune Autopilot Engineer to join our dynamic IT team. This individual will play a crucial role in ensuring the smooth operation, optimization, and security of our organization's Exchange, Office 365, SQL databases, and Intune Autopilot environment. The successful candidate will have a strong technical background in managing these technologies, a proactive mindset, and the ability to

Systems AdministratorJob Title - Systems Administrator

Kforce Technology StaffingCompany Name - Kforce Technology Staffing

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Remote or Boise, Idaho, USA

Contract

RESPONSIBILITIES: Kforce is immediately adding a full-time Systems Administrator to remotely support of our nationally recognized, Consumer and Commercial Electronic R&D client in Boise, ID. The Systems Administrator will manage Issue Resolution, and work with customer's IT, end users and OEM vendors to resolve issues. Pre-Install, System Configuration, and Compatibility: * Perform Integration and Compatibility Testing * Install/Configure Server Software Support, Issue Resolution and Escalati

IBM IAdministrator (Systems Administrator)Job Title - IBM IAdministrator (Systems Administrator)

TEKsystemsCompany Name - TEKsystems

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Remote or Dothan, Alabama, USA

Full-time

*Relocation Assistance Provided* Job Description: Support day to day operations, implementation, enhancement of IBMi workloads within enterprise environment. Experience with IBM Power server, HMC, VIOS, IBM Flash System, EMC Data Domain VTL and other tape and storage solutions. Administer elements including security, job controls, scheduling, planning, system updates, capacity planning, performance, and licensing. Maintain disaster recovery readiness and business continuity including BRMS save/r

JIRA Systems AdministratorJob Title - JIRA Systems Administrator

SAICCompany Name - SAIC

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Remote

Full-time

Job ID: 2508009 Location: REMOTE WORK, HI, US Date Posted: 2025-07-29 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: Yes, 25 % of the Time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: TS/SCI Potential for Remote Work: Yes Description SAIC is seeking a Fully Remote JIRA System Administrator to support USINDOPACOM J6 to build and deploy JIRA applications. NOTE: This position is fully Remote / Work

Senior Systems Administrator Lead (Remote Opportunity)Job Title - Senior Systems Administrator Lead (Remote Opportunity)

Veterans EZ Info, IncCompany Name - Veterans EZ Info, Inc

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Remote

Full-time

VetsEZ is seeking a remote Senior Systems Administrator Lead to support a large-scale federal healthcare modernization program with the Department of Veterans Affairs (VA). This role will provide both technical leadership and hands-on administration of complex Windows server environments operating across hybrid infrastructures within VA and partner systems. The ideal candidate brings deep expertise in Windows-based systems, experience managing technical teams, and a strong focus on uptime, perfo

Senior Systems AdministratorJob Title - Senior Systems Administrator

Gridiron IT SolutionsCompany Name - Gridiron IT Solutions

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Remote

Full-time

Senior System Administrator A Senior System Administrator will work with external vendors and partners, internal DLA teams, end users and PM owners to prevent and correct application and/or environment outages for Enterprise Cloud Infrastructure, to ensure effective daily operation and to resolve problems as they arise. Support Task 4 Cloud Architecture Support drafting, developing, and maintaining documentation and recommendations on cloud design and usage in compliance with DoD Cloud Architec

Senior Linux Systems Administrator - REMOTEJob Title - Senior Linux Systems Administrator - REMOTE

First American Financial CorporationCompany Name - First American Financial Corporation

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Remote or Santa Ana, California, USA

Full-time

Who We Are Join a team that puts its People First! Since 1889, First American (NYSE: FAF) has held an unwavering belief in its people. They are passionate about what they do, and we are equally passionate about fostering an environment where all feel welcome, supported, and empowered to be innovative and reach their full potential. Our inclusive, people-first culture has earned our company numerous accolades, including being named to the Fortune 100 Best Companies to Work For list for ten conse

Senior Red Hat Systems AdministratorJob Title - Senior Red Hat Systems Administrator

Harris CorporationCompany Name - Harris Corporation

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Anaheim, California, USA

Full-time

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie

Systems AdministratorJob Title - Systems Administrator

McKesson CorporationCompany Name - McKesson Corporation

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Tennessee, USA

Full-time

It's More Than a Career, It's a Mission. Our people are the foundation of our success. By joining our growing team at Sarah Cannon Research Institute (SCRI), a subsidiary of McKesson, you will have the opportunity to become part of one of the largest community-based cancer programs to advance oncology treatments and improve outcomes for cancer patients across the globe. We look for mission-driven candidates who have a desire to advance the fight against cancer and make a difference in the lives

Systems AdministratorJob Title - Systems Administrator

Parsons Services CompanyCompany Name - Parsons Services Company

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Remote

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Parsons is looking for an amazingly talented Systems Administrator to join our team!

Systems Administrator, Provider Network (Salesforce Admin)Job Title - Systems Administrator, Provider Network (Salesforce Admin)

Molina HealthcareCompany Name - Molina Healthcare

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Remote or Long Beach, California, USA

Full-time

Job Description Job Description Job Summary Provider Network Business Systems Administrator will work to help businesses improve efficiencies by using computer systems. It involves programming, networking, database management i.e. Salesforce, Conga Contract Lifecycle Management, Virsys 12 or other provider network administration applications as applicable. This role will require a comprehensive knowledge of computer information systems along with the skills necessary for effective decision m

Learning Systems AdministratorJob Title - Learning Systems Administrator

McKesson CorporationCompany Name - McKesson Corporation

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Remote or The Woodlands, Texas, USA

Full-time

McKesson is an impact-driven, Fortune 10 company that touches virtually every aspect of healthcare. We are known for delivering insights, products, and services that make quality care more accessible and affordable. Here, we focus on the health, happiness, and well-being of you and those we serve - we care. What you do at McKesson matters. We foster a culture where you can grow, make an impact, and are empowered to bring new ideas. Together, we thrive as we shape the future of health for patien

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

Sr. Systems Administrator (Microsoft O365 Suite)Job Title - Sr. Systems Administrator (Microsoft O365 Suite)

Kforce Technology StaffingCompany Name - Kforce Technology Staffing

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Remote or Portsmouth, New Hampshire, USA

Contract, Third Party

RESPONSIBILITIES: Kforce has a client that is seeking a Senior Systems Administrator (Microsoft O365 Suite) in Portsmouth, NH. Summary: The client is seeking an experienced Senior Systems Administrator to lead the integration of acquired companies' backend systems into our existing infrastructure. These roles are critical to ensuring seamless transitions and maintaining operational continuity across platforms such as Slack, Microsoft 365, Jira/Confluence, and more. Key Responsibilities: * Lead

Senior Systems Administrator (Linux/Windows)Job Title - Senior Systems Administrator (Linux/Windows)

GovCIOCompany Name - GovCIO

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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

Infor CSD (CloudSuite Distribution) Systems AdministratorJob Title - Infor CSD (CloudSuite Distribution) Systems Administrator

Robert HalfCompany Name - Robert Half

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Remote or Highland, Utah, USA

Full-time

Description We are looking for a skilled Systems Administrator to manage and support our Infor CloudSuite Distribution (CSD) platform. This role is vital for ensuring the system operates efficiently, remains secure, and meets organizational needs. The ideal candidate will bring technical expertise, problem-solving skills, and a proactive approach to maintaining and optimizing the system. Responsibilities: Oversee the daily operations, maintenance, and troubleshooting of the Infor CloudSuite Dis

Systems Administrator IIJob Title - Systems Administrator II

Sierra Nevada CorporationCompany Name - Sierra Nevada Corporation

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Remote or Southern Pines, North Carolina, 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

Linux and Windows Systems Administrator | REMOTE (ship required)Job Title - Linux and Windows Systems Administrator | REMOTE (ship required)

Oracle CorporationCompany Name - Oracle Corporation

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Remote

Full-time

Job Description Building off our Cloud momentum, Oracle has formed a new organization - Oracle Health & Analytics. This team will focus on product development, operations 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 world c