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Senior System Administrator Jobs in Riverside, CA

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Senior Payroll Administrator

Jurupa Valley, CA · On-site

$800K - $850K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Position Overview As the Sr. Payroll Administrator, you are responsible for coordinating the day-to ... Submit and upload compliance documentation into project specified payroll tracking systems

The Senior Linux & OpenShift Systems Administrator reports to the Program Manager or IT Lead. Other duties as assigned. Qualifications Bachelor's degree in Computer Science, Information Technology or ...

ServiceNow Senior Manager Irvine, CA (Onsite/Hybrid) Long-Term Contract We are assisting a client ... Certified System Administrator (CSA), Certified Implementation Specialist (CIS), Certified ...

Sr. Middleware Administrator

Irvine, CA · On-site

$56.25 - $74/hr

Hi Good Morning, Job Title: Sr. Middleware Administrator Location: Irving, CA (onsite) Who We're ... keep business-critical systems stable during high-pressure migration windows. You thrive in ...

... Senior Linux & OpenShift Systems Administrator reports to the Program Manager or IT Lead. • Other duties as assigned. Qualifications • Bachelor's degree in Computer Science, Information ...

Senior Contracts Administrator

Irvine, CA

$105K - $115K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Job Title: Senior Contracts Administrator Pay Rate: $105k to $115k, depending on experience ... Proposals that include engineering design and system hardware) and other specialized assignments.

Senior SAP Basis Administrator

Irvine, CA · On-site

$115K - $171K/yr

  • Medical

  • Retirement

  • PTO

Installation, configuration, EHP Upgrades, System Refresh, Kernel Upgrades& Support Pack upgrades ... Administer SAP HANA 2.0 databases (scale-up and scale-out), Configure and manage HANA System ...

Showing results 41-60

Senior System Administrator information

See Riverside, CA salary details

$51.1K

$106.7K

$149.7K

How much do senior system administrator jobs pay per year?

As of Aug 14, 2026, the average yearly pay for senior system administrator in Riverside, CA is $106,653.00, according to ZipRecruiter salary data. Most workers in this role earn between $89,700.00 and $121,500.00 per year, depending on experience, location, and employer.

What are some common challenges a senior system administrator may encounter when managing hybrid cloud environments?

Senior System Administrators often face challenges balancing on-premises infrastructure with cloud-based resources, which can include ensuring consistent security policies, managing data synchronization, and monitoring system performance across multiple platforms. They must also stay updated on evolving technologies and compliance requirements, as well as collaborate closely with development, security, and networking teams. Addressing these complexities requires strong problem-solving skills, robust documentation practices, and a proactive approach to both troubleshooting and automation.

What does a senior system administrator do?

A Senior System Administrator is responsible for managing, maintaining, and securing an organization's IT infrastructure, including servers, networks, and related systems. They oversee the installation and configuration of hardware and software, troubleshoot complex technical issues, and ensure the reliability and performance of IT services. Senior System Administrators also implement security policies, perform regular system updates, and may supervise junior IT staff. Their expertise is essential for minimizing system downtime and protecting data integrity.

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

To thrive as a Senior System Administrator, you need in-depth knowledge of operating systems, networking, security protocols, and significant experience managing IT infrastructure, usually backed by a degree in computer science or related certifications (such as CompTIA, Microsoft, or Cisco). Expertise with tools like VMware, Active Directory, PowerShell, and cloud platforms (AWS, Azure) is typically required. Strong problem-solving skills, attention to detail, and effective communication are crucial soft skills for this role. These abilities ensure reliable system performance, minimize downtime, and support the technology needs of an organization.

What is the difference between Senior System Administrator vs Network Administrator?

AspectSenior System AdministratorNetwork Administrator
CertificationsCompTIA Server+, Microsoft Certified: Windows Server, Cisco CCNACompTIA Network+, Cisco CCNA, Cisco CCNP
Work EnvironmentData centers, enterprise IT environments, server managementNetwork infrastructure, routing, switching, network security
ResponsibilitiesServer deployment, maintenance, troubleshooting, system upgradesNetwork setup, monitoring, troubleshooting, security management

While both roles require networking and system knowledge, Senior System Administrators focus on server and system management, whereas Network Administrators specialize in network infrastructure. Both roles are essential in enterprise IT, often collaborating to ensure seamless technology operations.

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

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

What cities near Riverside, CA are hiring for Senior System Administrator jobs?

Cities near Riverside, CA with the most Senior System Administrator job openings:

Infographic showing various Senior System Administrator job openings in Riverside, CA as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 13% Part Time, and 4% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $106,653 per year, or $51.3 per hour.

Senior Database Administrator III with Security Clearance

Prescient Edge

Riverside, CA • On-site

$53.75 - $74.25/hr

Other

Medical, Dental, Vision, Retirement

Re-posted yesterday


Job description

Prescient Edge is seeking a Senior Database Administrator III opportunity to support a Federal Government client. Please note that the availability of this position is contingent upon contract award. Benefits: At Prescient Edge, we believe that acting with integrity and serving our employees is the key to everyone's success. To that end, we provide employees with a best-in-class benefits package that includes: * A competitive salary with performance bonus opportunities. * Comprehensive healthcare benefits, including medical, vision, dental, and orthodontia coverage. * A substantial retirement plan with no vesting schedule. * Career development opportunities, including on-the-job training, tuition reimbursement, and networking. * A positive work environment where employees are respected, supported, and engaged. Description: * Planned Systems International (PSI) is an enterprise IT services company that designs, builds, secures, and operates software solutions that support mission success and operational excellence across Federal Government organizations. * PSI is seeking an AMOC Senior Database Administrator III to provide full-time, on-site support to the CBP Air and Marine Operations Center. * This role is responsible for managing, maintaining, and optimizing database environments that support C4I systems, AMOSS, ISR platforms, and associated mission applications, ensuring data availability, integrity, security, and performance in alignment with operational requirements. * Administer, maintain, and optimize database systems supporting AMOSS, ISR, and C4I environments. * Monitor database performance and implement tuning and optimization strategies. * Ensure data integrity, availability, and security across all database platforms * Perform database installation, configuration, patching, and upgrades. * Support backup, recovery, and disaster recovery planning and execution. * Troubleshoot and resolve database-related issues in mission-critical environments. * Manage database access controls and ensure compliance with security requirements. * Support integration of databases with applications, systems, and data sources. * Collaborate with engineering and development teams to support system enhancements and data requirements. * Develop and maintain database documentation, procedures, and standards. * Support data migration, replication, and synchronization efforts. * Ensure compliance with configuration management and change control processes. * Ability to work in operational environments supporting technical systems. * May require standing, walking, and limited lifting of equipment. * Ability to travel and deploy to operational locations as required. Job Requirements Desired experiences : * Experience supporting maintenance and sustainment of C4I, AMOSS, or ISR systems in operational environments. * Experience troubleshooting complex system issues across hardware, software, and network components. * Experience working with mission equipment, maintenance tools, and COTS systems. * Experience using diagnostic and test equipment to identify and resolve system faults. * Demonstrated understanding of operational requirements and ability to apply technical procedures in mission environments. * 10+ years experience. * Administering enterprise-level database systems in operational environments. * Performing database performance tuning, optimization, and troubleshooting. * Managing backup, recovery, and disaster recovery processes. * Supporting database security, access controls, and compliance requirements. * Integrating databases with applications and system architectures. * Working within DoD, DHS, or similar Federal environments. Desired education: * Bachelor's degree in Engineering, Computer Science, Information Technology, or related field; experience may substitute. * Microsoft Office Suite (Word, Excel, PowerPoint, Outlook). * Database management systems (Oracle, SQL Server, PostgreSQL or similar). * Database monitoring and performance tuning tools. * Backup and recovery tools. * Scripting languages (SQL, PowerShell, or similar). * Collaboration tools such as Teams and SharePoint. Security Clearance: * Secret Location: * Riverside, CA. * Travel is required to support mission operations, system maintenance, and engineering activities across CBP operational locations. Personnel will deploy to sites including CAMOC in Aguadilla, Puerto Rico, and other CONUS and OCONUS locations to perform installation, troubleshooting, integration, and sustainment of C4I, AMOSS, ISR, and telecommunications systems. Travel may be scheduled or occur on short notice in response to mission priorities or system outages. Duration may range from short-term temporary duty to extended support periods based on operational needs. All travel will be Government-directed and reimbursed in accordance with applicable Federal Travel Regulations and contract provisions. Prescient Edge is a Veteran-Owned Small Business (VOSB) founded as a counterintelligence (CI) and Human Intelligence (HUMINT) company in 2008. We are a global operations and solutions integrator delivering full-spectrum intelligence analysis support, training, security, and RD&E support solutions to the Department of Defense and throughout the intelligence community. Prescient Edge is an Equal Opportunity Employer (EEO). All applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other characteristic that is protected by law. We strive to foster equity and inclusion throughout our organization because we believe that diversity of thought is critical for creating a safe and engaging work environment while also enabling the organization's success.

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About Prescient Edge

Sourced by ZipRecruiter

Prescient Edge is a prominent name in the global security industry, based out of McLean, VA, US. Established with the primary mission of harnessing science and technology for safety and security purposes, the company specializes in providing a wide range of products and services. This includes research and development, consulting, global operations support, intelligence evaluation, and advanced data solutions. These offerings make Prescient Edge an integral factor in national defense and commercial innovations.

Industry

Guided missile and space vehicle manufacturing

Company size

51 - 200 Employees

Headquarters location

McLean, VA, US

Year founded

2008

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