Top 31 System Administrator Jobs in Riverside, CA

Network Administrator
Confidential —Chino, CA
- From $35 an hour
- Full-time
- Microsoft Outlook
- ERP systems
- Mid-level
- Health insurance
- Dental insurance
Quick Apply
IT Support Specialist – Warehouse Operations
Zonberation Group —Fontana, CA
- $38 - $40 an hour
- 8 hour shift
- Spanish
- Computer Science
- English
Quick Apply
Systems Administrator
Andes Digital Infrastructure Group —Ontario, CA
- $70,000 - $100,000 a year
- Full-time
- Hybrid work
- Mid-level
- 3 years
- AWS
- Paid time off
- Professional development assistance
Quick Apply
7h
DC Sup IT Systems Admin
Deckers Brands —Moreno Valley, CA
- $33.32 - $45.00 an hour
- Full-time
- Inventory management
- Leadership
- Entry level
Systems Administrator - Riverside
Carvana —Riverside, CA
- $70,000 - $75,000 a year
- Full-time
- Background check
- Microsoft Outlook
- English
- Wellness program
- Health insurance
Quick Apply
SYSTEMS ADMINISTRATOR
SOUTH COAST COMMUNITY SERVICES —Colton, CA
- $90,000 - $110,000 a year
- Weekends as needed
- Hybrid work
- Computer science
- Computer Science
- 5 years
Quick Apply
Homeless Management Information System Analyst I*
San Bernardino County —San Bernardino, CA
- $32.95 - $45.29 an hour
- Online Application
- Background check
- Pass drug screening
- Databases
- Mileage reimbursement
Senior Microsoft 365 Administrator
Environmental Standards, Inc. —Irvine Park, CA
- $130,000 - $150,000 a year
- Full-time
- Hybrid work
- Computer science
- Computer Science
- 5 years
IT System Administrator
Lexi Global —Upland, CA
- $84,000 - $96,000 a year
- Full-time
- Computer science
- Azure
- Computer Science
- Health insurance
- Dental insurance
Quick Apply
7d
IT Support Specialist I
iHerb, LLC —Perris, CA
- $25.99 - $34.50 an hour
- Extended hours
- Ability to walk for extended periods
- Mid-level
- Office
Quick Apply
2d
Human Resources Information System (HRIS) Analyst (Business Systems Analyst II), Human Resources Division
California State University —San Bernardino, CA
- Weekends as needed
- Background check
- Writing skills
- English
- Paid holidays
- Health insurance
IT Technical Support Specialist
Syncreon —Moreno Valley, CA
- $30 - $36 an hour
- Weekends as needed
- Background check
- Computer science
- Computer Science
Substitute Technology Support Specialist II
San Bernardino Community College District —San Bernardino, CA
- $42.03 an hour
- Computer science
- Current TB test
- Computer Science
Vendor Contracts Administrator - IT VMO
Inland Empire Health Plan —Rancho Cucamonga, CA
- $91,249.60 - $120,910.40 a year
- Full-time
- Hybrid work
- Computer Science
- HIPAA
- Mid-level
- Disability insurance
- Health insurance
12d
IT Specialist
MasTec Inc —Corona, CA
- $26 - $27 an hour
- 8 hour shift
- English
- Office
- Windows
- Employee stock purchase plan
- Paid holidays
HQ - IT - Specialist
Library Systems & Services LLC —Moreno Valley, CA
- $18.55 an hour
- Weekends as needed
- Spanish
- English
- Windows
- AD&D insurance
- Disability insurance
Quick Apply
Pension Administration System Assistant Manager
San Bernardino County Employees' Retirement Association —San Bernardino, CA
- $54.61 - $81.09 an hour
- Full-time
- Office
- Senior level
- Flexible schedule
Aviation Systems Administrator
Metrea Management LLC —Moreno Valley, CA
- $90,000 - $125,000 a year
- Overtime
- Office
- 3 years
- SQL
- Paid parental leave
- Health savings account
Assistant Director, Enrollment Systems & Operations (CRM Administrator)
University of La Verne —La Verne, CA
- $87,177.30 - $97,371.09 a year
- Full-time
- Background check
- Mid-level
- Office
- Health insurance
- 403(b)
Engineer III - Power BI Platform
Inland Empire Health Plan —Rancho Cucamonga, CA
- $135,200.00 - $179,129.60 a year
- Full-time
- Hybrid work
- Computer Science
- Master's degree
- Bachelor's degree
- Disability insurance
- Health insurance

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Network Administrator

Confidential
Chino, CA

Quick Apply

Job Details

Full-time
From $35 an hour

Benefits

Health insurance
Dental insurance
401(k)
Paid time off
Vision insurance
Life insurance

Qualifications

Desktop computer repair
Authentication
Endpoint Security
Office equipment routine maintenance
Telecommunications network device configuration
Mobile device support
Microsoft Outlook
IT user and group management
GPO
Technical documentation
Wireless Access Point implementation
Laptop (troubleshooting support)
Hardware maintenance
Data recovery
Wireless network configuration
Server backup and recovery
Operating system updates
Microsoft Exchange
Printer (troubleshooting support)
VLAN
Firewall
Cisco routers/switches implementation
Patch management
Email configuration (technical support)
Wireless communication system operation
Computer hardware
Desktop (troubleshooting support)
Remote access management
Computer management
Remote access software

Full Job Description

Network Administrator

Confidential Employer

Job Description

A confidential employer is seeking an experienced Network Administrator to support the reliable, secure, and uninterrupted operation of its internal network, servers, systems, and end-user technology environment.

The Network Administrator will maintain and improve the company’s network infrastructure, including servers, workstations, switches, firewalls, wireless access points, virtualization platforms, backup systems, email systems, VoIP phones, printers, and related hardware and software. This role requires a hands-on technical professional with strong troubleshooting skills, the ability to support daily IT needs, and the ability to help strengthen cybersecurity, system reliability, documentation, and data protection.

Duties and Responsibilities

Install, configure, maintain, monitor, and troubleshoot network hardware, software, servers, workstations, peripheral devices, and communication systems.
Maintain reliable operation of LAN, WAN, wireless, VPN, firewall, VLAN, DNS, DHCP, and internet connectivity.
Administer Microsoft Windows Server environments, Active Directory, Group Policy, user accounts, file permissions, shared drives, and access controls.
Support Microsoft 365, Exchange, email systems, spam filtering, and related cloud or hybrid services.
Manage virtualization environments, including VMware, ESX/ESXi, virtual servers, snapshots, storage, and resource allocation.
Configure and maintain Cisco switches, routers, firewalls, access points, and other network infrastructure.
Monitor network performance, system availability, storage capacity, bandwidth usage, and server health.
Recommend, schedule, and perform system upgrades, patches, repairs, and equipment replacements.
Maintain antivirus, endpoint protection, malware protection, security patches, and system updates.
Support multifactor authentication, password policies, user access reviews, and least-privilege access practices.
Assist with firewall rules, VPN access, secure remote access, web filtering, email security, and spam protection.
Monitor systems for suspicious activity, unauthorized access, failed logins, and security alerts.
Support incident response by identifying, documenting, escalating, and assisting with resolution of security events.
Maintain data backup systems, recovery procedures, disaster recovery planning, and periodic backup testing.
Provide technical support for employees experiencing hardware, software, network, email, printer, phone, and application issues.
Record, track, and document help desk requests from initial report through final resolution.
Troubleshoot and resolve issues involving PCs, laptops, printers, scanners, VoIP phones, remote access, shared drives, and business applications.
Maintain accurate inventory of servers, computers, network devices, printers, phones, software licenses, warranties, and related IT assets.
Document network diagrams, IP address assignments, VLANs, firewall rules, system configurations, support procedures, and technical standards.

Required Qualifications

Strong experience administering Microsoft Windows Server, Active Directory, Group Policy, DNS, DHCP, file permissions, and user access.
Experience with Microsoft 365, Exchange, Outlook, email administration, spam filtering, and cloud-based identity tools.
Hands-on experience with VMware, ESX/ESXi, virtual machines, storage, and server maintenance.
Experience configuring and maintaining Cisco switches, VLANs, firewalls, VPNs, and network routing.
Strong understanding of TCP/IP, LAN/WAN, wireless networking, network segmentation, DNS, DHCP, NAT, VPN, and firewall rules.
Experience maintaining PCs, laptops, printers, scanners, VoIP phones, mobile devices, and peripheral equipment.
Experience with backup systems, recovery procedures, and business continuity practices.
Working knowledge of antivirus, endpoint security, patch management, remote access, and cybersecurity best practices.
Ability to troubleshoot hardware, software, network, and user issues in a timely and professional manner.
Strong documentation, organization, communication, and follow-through skills.
Ability to manage multiple priorities and respond to urgent technical issues as needed.

Preferred Qualifications

Experience in a manufacturing, distribution, warehouse, or operational business environment.
Experience supporting ERP systems, production systems, inventory systems, or other business-critical applications.
Experience with Microsoft Entra ID, multifactor authentication, conditional access, Intune, or endpoint management tools.
Experience with monitoring tools, ticketing systems, SIEM tools, remote management tools, or asset management platforms.
Experience with PowerShell, scripting, automation, or basic network automation.
Knowledge of IT security frameworks, risk management, incident response, and disaster recovery planning.
Certifications such as CompTIA Network+, CompTIA Security+, Cisco CCNA, Microsoft, or VMware certifications are preferred.

Physical and Work Environment Requirements

Ability to sit, stand, walk, bend, and reach as needed to access workstations, network equipment, printers, server rooms, and cabling areas.
Ability to lift and move IT equipment such as computers, monitors, printers, switches, and related hardware.
May be required to work in both office and operational environments.
May occasionally be required to respond to urgent system outages, after-hours maintenance, or emergency technical issues.

Job Type: Full-time

Pay: From $35.00 per hour

Benefits:

401(k)
Dental insurance
Health insurance
Life insurance
Paid time off
Vision insurance

Ability to Commute:

Chino, CA 91708 (Preferred)

Work Location: In person

Quick Apply

Refine Your Search

System Administrator jobs in Riverside, CA

Network Administrator

IT Support Specialist – Warehouse Operations

Systems Administrator

DC Sup IT Systems Admin

Systems Administrator - Riverside

SYSTEMS ADMINISTRATOR

Homeless Management Information System Analyst I*

Senior Microsoft 365 Administrator

IT System Administrator

IT Support Specialist I

Human Resources Information System (HRIS) Analyst (Business Systems Analyst II), Human Resources Division

IT Technical Support Specialist

Substitute Technology Support Specialist II

Vendor Contracts Administrator - IT VMO

IT Specialist

HQ - IT - Specialist

Pension Administration System Assistant Manager

Aviation Systems Administrator

Assistant Director, Enrollment Systems & Operations (CRM Administrator)

Engineer III - Power BI Platform

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