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Jr System Administrator Jobs in Riverside, CA (NOW HIRING)

Mariners Church

IT Systems Administrator

Irvine, CA · On-site

Qualifications * 3-5 years of system admin and/or helpdesk experience * Working knowledge of computer systems, PC repair, and network management * Resourcefulness and quick-thinking nature to ...

Diality Inc

IT Systems Administrator

Irvine, CA · On-site

$103K - $120K/yr

Diality offers the Moda-flx Hemodialysis System, a user-friendly, mobile, and connected ... The IT Systems Administrator is responsible for maintaining and securing Diality's IT infrast ...

L3HHCM20

Senior Systems Administrator

Yorba Linda, CA · On-site

$102K - $189K/yr

Job Title: Senior Systems Administrator Job Number: 34871 Job Location: Yorba Linda, CA Job ... Perform system administration and helpdesk type tasks under the supervision of a manager. The work ...

Esri

Systems Administrator- Windows

Redlands, CA

Overview Support the implementation and ongoing operation of enterprise applications and systems across on-premises and cloud environments. In this role, you will work alongside senior administrators ...

Esri

Systems Administrator- Windows

Redlands, CA · On-site

$70K - $79K/yr

Overview Support the implementation and ongoing operation of enterprise applications and systems across on-premises and cloud environments. In this role, you will work alongside senior administrators ...

Ease Inc

IT Systems Administrator

Irvine, CA · On-site

Triage and resolve IT support requests across email, Slack, and our IT ticketing system. Requests range from Outlook issues and hardware setup to MFA resets and application access. * Administer our ...

Ease, Inc

IT Systems Administrator

Irvine, CA · On-site

$70K - $85K/yr

Triage and resolve IT support requests across email, Slack, and our IT ticketing system. Requests range from Outlook issues and hardware setup to MFA resets and application access. * Administer our ...

TecTammina

Senior Systems Administrator

Irvine, CA · On-site

$92K - $125K/yr

Automation of tools for monitoring, process and documentation System security techniques and best practices Qualifications Support of 3-tiered 24/7/365 high-availability website and application ...

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All JobsJr System Administrator JobsJr System Administrator Jobs in Riverside, CA

Jr System Administrator information

See Riverside, CA salary details

$34.4K

$66K

$89.7K

How much do jr system administrator jobs pay per year?

As of Jun 12, 2026, the average yearly pay for jr system administrator in Riverside, CA is $65,980.00, according to ZipRecruiter salary data. Most workers in this role earn between $54,800.00 and $76,200.00 per year, depending on experience, location, and employer.

What are Jr System Administrators?

Jr System Administrators are entry-level IT professionals responsible for maintaining, monitoring, and supporting an organization’s computer systems and networks. They assist in tasks such as installing and configuring hardware and software, managing user accounts, and performing routine system updates. Under the supervision of senior administrators, they help ensure the stability, security, and efficiency of IT infrastructure. This role is often a stepping stone to more advanced system administration positions.

What are some common challenges a Jr System Administrator might face during their first year on the job?

During the first year, Jr System Administrators often encounter challenges such as balancing multiple support requests, managing unfamiliar systems or technologies, and responding to unexpected technical issues. Adapting to the organization's specific IT infrastructure and security protocols can require a steep learning curve. Additionally, time management and prioritizing tasks effectively are essential skills, as junior admins typically juggle day-to-day maintenance with troubleshooting responsibilities. Collaborating with senior IT staff and learning from their expertise can help overcome these challenges and build confidence in the role.

What is the difference between Jr System Administrator vs Network Technician?

AspectJr System AdministratorNetwork Technician
CertificationsCompTIA A+, Network+; Microsoft CertifiedCompTIA Network+, Cisco CCNA
Work EnvironmentIT departments, data centers, corporate officesNetwork operations centers, field sites, telecom companies
ResponsibilitiesManage servers, troubleshoot OS issues, user account setupInstall/configure network hardware, troubleshoot connectivity issues
Industry UsageCommon in IT support and system management rolesCommon in networking and infrastructure roles

The Jr System Administrator and Network Technician roles share overlapping skills in certifications and work environments but focus on different areas. The Jr System Administrator primarily manages servers and user systems, while the Network Technician specializes in network hardware and connectivity. Both roles are essential in IT infrastructure, but their daily tasks and expertise differ based on their focus areas.

What are the key skills and qualifications needed to thrive as a Jr System Administrator, and why are they important?

To thrive as a Jr System Administrator, you need a solid understanding of operating systems (Windows, Linux), basic networking, and troubleshooting, typically supported by a relevant degree or IT certifications such as CompTIA A+ or Network+. Familiarity with system management tools, Active Directory, virtualization platforms, and ticketing systems is commonly required. Strong problem-solving abilities, attention to detail, and effective communication help you stand out in this role. These skills ensure efficient system operations, minimize downtime, and support seamless IT service for users and organizations.
What cities near Riverside, CA are hiring for Jr System Administrator jobs? Cities near Riverside, CA with the most Jr System Administrator job openings:
Jr System Administrator jobs near you
Infographic showing various Jr System Administrator job openings in Riverside, CA as of June 2026, with employment types broken down into 82% Full Time, and 18% Contract. Highlights an 90% In-person, 5% Hybrid, and 5% Remote job distribution, with an average salary of $65,980 per year, or $31.7 per hour.
IT Systems Administrator

IT Systems Administrator

Mariners Church

Irvine, CA

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 14 days ago

Job description

Company Description

Mariners Church is a biblically-centered, non-denominational church located in Southern California focused on inspiring people to follow Jesus and fearlessly change the world. Mariners is listed as one of the top 20 largest churches in America by Outreach Magazine. We are a community of ordinary people from all walks of life courageously trusting God to do the extraordinary. Simply put, we trust God to do what we can't-heal, transform, renew, forgive, provide and sustain. Through the redemption story of each believer, God is glorified, lives are changed and communities are impacted in a significant way. Come and be part of a new season of growth as Mariners Church responds to God's call in launching new congregations.

Job Description

The IT Systems Administrator is responsible for managing and maintaining core IT infrastructure, systems, and support services to ensure reliable and secure operations across the organization, reporting to the IT Director on the IT team. A full-time position, the schedule is generally Monday-Friday for a total of 40 hours. Although the position is regularly Monday-Friday, ministry happens in the evenings and during the weekends. All Mariners staff are expected to work during Christmas Eve and Easter services, as well as participate in Rooted once/year.

  • Monitor and respond quickly to incoming requests related to IT issues
  • Maintain computer systems and act as support if any system goes down.
  • Responsible for PC's, Printers, Servers and related equipment (monitor, keyboard, mouse, hard drive, etc).
  • Maintain user PCs, including upgrades and configuration as needed.
  • Assist with onboarding of new users.
  • Keep inventory of all equipment, software, and license users.
Qualifications
  • 3-5 years of system admin and/or helpdesk experience
  • Working knowledge of computer systems, PC repair, and network management
  • Resourcefulness and quick-thinking nature to troubleshoot new and critical technical issues as they arise.
  • Ability to deploy, configure, and support operating systems on desktop and mobile
  • Understanding and appreciation for information security within systems and user devices.
  • Strong drive to provide excellent customer service and experience, with an awareness of prioritization of tasks, stakeholders, budget, and time.
Additional Information

All Mariners Church Staff:

  • Love Jesus and call themselves Christians.
  • Embrace a high biblical standard of personal conduct and lifestyle.
  • Agree to and adhere to the church's statement of faith, leadership commitment, and position papers.
  • Work during Christmas Eve and Easter services.
  • Participate then facilitate Rooted once per ministry year.
  • Attend Mariners Church.

We believe the total combination of your pay, benefits, and opportunities aligned with your calling will ensure that you and your family are provided for. The following items are just a sample of the things we offer for full-time employment:

  • Health insurance (medical, dental and vision)
  • 403b Retirement Saving Plan
  • Paid vacation
  • Paid time off to serve
  • Discounts at the Mariners Cafe and Bookstore
  • Tuition discount for Mariners Church Preschool 
  • Opportunity to attend ministry events and conferences
  • Working alongside a community of supportive, like-minded believers

Apply