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Junior System Admin Jobs in Riverside, CA (NOW HIRING)

Kirkhill Inc.

Systems Administrator

Brea, CA · On-site

$95K - $125K/yr

Maintain System Security Plans (SSPs), POA&Ms, and supporting documentation * Support periodic ... Prioritize and resolve escalated technical issues and mentor junior IT staff, manage ticketing ...

Penhall

Senior System Administrator

Anaheim, CA · On-site

$90K - $122K/yr

Position Description The Senior Systems Administrator will serve as a critical member of Penhall ... Provide training, guidance, and mentorship to junior team members and support staff. * Perform ...

Kirkhill Inc.

Systems Administrator

Brea, CA · Hybrid

Maintain System Security Plans (SSPs), POA&Ms, and supporting documentation * Support periodic ... Prioritize and resolve escalated technical issues and mentor junior IT staff, manage ticketing ...

CTC Global

IT System Administrator

Irvine, CA · On-site

$96K - $118K/yr

SUMMARY The IT Systems Administrator is responsible for the administration, maintenance, and ... Mentor junior staff and promote best practices Education * Bachelor's degree in Computer Science ...

Kirkhill Inc.

Systems Administrator

Brea, CA · On-site

$95K - $125K/yr

Maintain active Security+ certificationMaintain System Security Plans (SSPs), POA&Ms, and ... junior IT staff, manage ticketing systems, and address chronic or persistent issuesOwn and support ...

Bowhead

Red Hat Certified Engineer (RHCE)

Corona, CA · On-site

$200K - $240K/yr

Provide mentorship and technical leadership to junior Linux and container platform administrators. Provide technical briefings and system status updates to program leadership and government ...

Bowhead

Red Hat Certified Engineer (RHCE)

Corona, CA · On-site

$200K - $240K/yr

... junior Linux and container platform administrators. • Provide technical briefings and system status updates to program leadership and government stakeholders as required. • The Senior Linux ...

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Junior System Admin information

See Riverside, CA salary details

$34.4K

$66K

$89.7K

How much do junior system admin jobs pay per year?

As of Sep 4, 2026, the average yearly pay for junior system admin 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 is a junior system admin?

Junior System Admins, also known as junior system administrators, are entry-level IT professionals responsible for supporting and maintaining an organization’s computer systems and networks. They assist in installing, configuring, and troubleshooting hardware and software, monitoring system performance, and ensuring security protocols are followed. Typically, they work under the supervision of senior system administrators and help with tasks such as user account management, backups, and routine system updates. This role is ideal for those starting their careers in IT and looking to gain hands-on experience in system administration.

What are the key skills and qualifications needed to thrive as a junior system admin, and why are they important?

To thrive as a Junior System Admin, you need a foundational understanding of operating systems, networking concepts, and troubleshooting, typically supported by a degree in IT or related certifications like CompTIA A+ or Network+. Familiarity with system administration tools such as Active Directory, ticketing systems, and basic scripting languages is commonly required. Attention to detail, problem-solving abilities, and effective communication are essential soft skills for this role. These competencies ensure smooth IT operations, quick issue resolution, and strong support for end-users and teams.

What are some common challenges faced by junior system admins, and how can they effectively address them?

Junior System Admins often encounter challenges such as troubleshooting unfamiliar technical issues, managing multiple support requests simultaneously, and adapting to evolving IT environments. To address these, it's helpful to prioritize clear communication with team members, document solutions for recurring problems, and stay proactive about learning new tools or technologies. Building strong relationships with senior admins and other IT staff can also provide valuable guidance and support as you develop your expertise.

What is the difference between Junior System Admin vs Network Technician?

AspectJunior System AdminNetwork Technician
CertificationsCompTIA A+, Network+; Microsoft CertifiedCompTIA Network+, Cisco CCNA
Work EnvironmentIT departments, data centers, cloud environmentsNetwork infrastructure, cabling, hardware setup
Employer & Industry UsageTech companies, enterprises, managed service providersTelecommunications, ISPs, large organizations

While both roles support IT infrastructure, a Junior System Admin manages servers, operating systems, and overall system health, whereas a Network Technician focuses on network hardware, connectivity, and network troubleshooting. The roles often overlap but differ mainly in their technical focus and daily tasks.

What are the most commonly searched types of System Admin jobs in Riverside, CA?

The most popular types of System Admin jobs in Riverside, CA are:

What are popular job titles related to Junior System Admin jobs in Riverside, CA?

For Junior System Admin jobs in Riverside, CA, the most frequently searched job titles are:

What job categories do people searching Junior System Admin jobs in Riverside, CA look for?

The top searched job categories for Junior System Admin jobs in Riverside, CA are:

What cities near Riverside, CA are hiring for Junior System Admin jobs?

Cities near Riverside, CA with the most Junior System Admin job openings:

Junior System Admin jobs near you
Infographic showing various Junior System Admin job openings in Riverside, CA as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 14% Part Time, and 3% Contract. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution, with an average salary of $65,980 per year, or $31.7 per hour.

Systems Administrator

Kirkhill Inc.

Brea, CA • On-site

$95K - $125K/yr

Full-time

Posted 11 days ago

Job description

Systems Administrator - Cloud & Network Infrastructure
Position Summary
We are seeking a Systems Administrator with strong Azure and networking expertise.
Key Responsibilities
Cloud Infrastructure
  • Own and mature our Azure cloud environment: architecture, storage, identity (Entra ID), governance, cost management, and security posture
  • Lead cloud migration and hybrid-cloud integration efforts for on-prem workloads where appropriate
  • Implement and enforce cloud security configuration, CA policy, Defender security tooling, monitoring and logging
  • Intune configurations, package deployment, and endpoint management
  • Maintain monitoring, backup/DR, and patch/configuration management practices for cloud-hosted systems
  • Use AI, copilot, and PowerShell to automate repetitive administration and security tasks

Network Architecture
  • Design, document, and continuously improve network architecture, including segmentation between CUI-scoped enclaves and general business networks
  • Manage firewall, VLAN, and ACL configurations (including CUI subnet access control lists) and maintain accurate network documentation/diagrams
  • Lead network hardening initiatives and access control requirements (e.g., AC, SC control families)
  • Evaluate and implement zero-trust and micro-segmentation strategies

Classified Environment (training provided)
  • Maintain secure configurations, audits, and documentation for the classified workstations;
  • Maintain active Security+ certification
  • Maintain System Security Plans (SSPs), POA&Ms, and supporting documentation
  • Support periodic government inspections, self-inspections, vulnerability scans, and audit log reviews for the classified system
  • Serve as day-to-day POC for the classified environment, coordinating with the Facility Security Officer (FSO) and compliance team as needed

General Systems Administration
  • Administer Windows Server, Active Directory/Entra ID, endpoint management, and core virtual infrastructure services
  • Participate in security assessments, incident response testing, risk assessments, and 3rd party audits
  • Execute vulnerability scans, system patching, configuration deployments
  • Support configuration and software management controls (e.g., application allow-listing, nonessential functionality restrictions) in coordination with compliance staff
  • Participate in change management processes for IT systems affecting CUI/classified scope
  • Prioritize and resolve escalated technical issues and mentor junior IT staff, manage ticketing systems, and address chronic or persistent issues
  • Own and support all critical security incidents, interruptions/outages, and end-user issues with flexible evening/weekend work when required
  • Maintain system documentation, diagrams, project plans, asset inventory

Required Qualifications
  • Hands-on expertise in hybrid cloud migration, Microsoft Azure networking, cloud technologies, protocols, and authentication, and WAN network architecture
  • Experience administering Azure: identity (Entra ID), virtual machines, vnet, CA policy, Azure Foundry, Purview, Defender, Intune, etc.
  • Design and manage basic network architecture: routing, switching, segmentation, firewall/ACL configuration, VLANs, RADIUS, etc.
  • Excellent writing skills, conceptual thinking skills, and communication skills needed to learn/implement GenAI tools
  • Active Secret security clearance
  • U.S. citizenship required.
  • CompTIA Security+ (CE)

Preferred Qualifications
  • Cloud or Microsoft Azure Certifications
  • Experience with cybersecurity compliance frameworks similar to CMMC/NIST 800-171
  • Implementing simple AI solutions in Azure Foundry and/or Copilot
  • Strong PowerShell skills

Work Environment
  • On-site role
  • Some after-hours/on-call availability required to support maintenance windows and incident response

Kirkhill, Inc. is proud to be an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, age, religion, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status, or any other characteristic protected by law. All successful candidates must submit to post offer pre-employment physical examination, drug/alcohol screen and background check as a condition of employment.
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About Kirkhill

Sourced by ZipRecruiter

Industry

Aerospace product and parts manufacturing

Company size

1,001 - 5,000 Employees

Headquarters location

Brea, CA, US

Year founded

1919

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