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Contract Linux Windows System Administrator Jobs in Riverside, CA

Apex Systems

Linux/AIX Engineer

Santa Ana, CA · On-site

... contract extension already in place Key Responsibilities * Administer, support, and maintain ... Perform system hardening, compliance activities, and monthly patching * Troubleshoot complex OS ...

SAIC

IT Systems Administrator

Anaheim, CA · Remote

$80K - $120K/yr

Ensures reliable system performance through proactive monitoring, backup validation, operational ... IT operations. Linux administration experience is required Experience managing Veeam Backup ...

AEVEX

Systems Administrator II

Murrieta, CA

AEVEX is seeking a Level 2 Systems Administrator to support and maintain enterprise IT ... Proficient in windows Server/Desktop and Linux operating systems * Proficient in networking ...

AEVEX

Systems Administrator II

Murrieta, CA · On-site

$90K - $101K/yr

AEVEX is seeking a Level 2 Systems Administrator to support and maintain enterprise IT ... Proficient in windows Server/Desktop and Linux operating systems * Proficient in networking ...

AEVEX

Systems Administrator II

Riverside, CA

$90K - $101K/yr

AEVEX is seeking a Level 2 Systems Administrator to support and maintain enterprise IT ... Proficient in windows Server/Desktop and Linux operating systems * Proficient in networking ...

AEVEX

Systems Administrator II

Murrieta, CA

$90K - $101K/yr

AEVEX is seeking a Level 2 Systems Administrator to support and maintain enterprise IT ... Proficient in windows Server/Desktop and Linux operating systems * Proficient in networking ...

Computer Concepts

Systems Administrator

San Dimas, CA · On-site

$70K - $100K/yr

Systems Administrator - CVIT - Computer Concepts - Computer Village San Dimas, CA • Onsite • ... Administer and maintain Windows Server, Active Directory, and Microsoft 365 / Exchange Online ...

Computer Concepts

Systems Administrator

San Dimas, CA

$70K - $100K/yr

Systems Administrator - CVIT - Computer Concepts - Computer Village San Dimas, CA • Onsite • ... Administer and maintain Windows Server, Active Directory, and Microsoft 365 / Exchange Online ...

DZYNE Technologies

Contract Administrator

Irvine, CA · On-site

$129K - $160K/yr

Contract Administrator Location: Irvine, CA Work Arrangement: On-Site w/ Hybrid available Position ... Government Contractor Purchasing System Review (CPSR) * Manage subcontract sourcing, proposal ...

DZYNE Technologies LLC.

Contract Administrator

Irvine, CA · Hybrid

$129K - $160K/yr

Contract Administrator Location: Irvine, CA Work Arrangement: On-Site w/ Hybrid available Position ... Government Contractor Purchasing System Review (CPSR) * Manage subcontract sourcing, proposal ...

NextDeavor Inc.

Contracts Administrator

Irvine, CA · On-site

Contracts Administrator Full-time Irvine, CA, US Parker Hannifin is a Fortune 250 global leader in ... customer systems. Here's What Else Might Help You Out * Contract management certification ...

ACI Infotech

Network Administrator

Orange, CA · On-site

Manages and administers System Center Configuration Manager (SCCM), Windows Deployment Tools and ... File Transfer Protocol (FTP)/Telnet, UNIX/LINUX, Internet, Transmission Control Protocol (TCP ...

NextDeavor Inc.

Contracts Administrator

Irvine, CA · On-site

$35.07 - $43/hr

Contracts Administrator Full-time Irvine, CA Exclusive confidential search -- details shared with ... systems Here's What Else Might Help You Out * Contract management certification (NCMA, IACCM ...

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Showing results 1-20

All JobsContract Linux Windows System Administrator JobsContract Linux Windows System Administrator Jobs in Riverside, CA

Contract Linux Windows System Administrator information

See Riverside, CA salary details

$42.8K

$92.8K

$143.4K

How much do contract linux windows system administrator jobs pay per year?

As of Jun 9, 2026, the average yearly pay for contract linux windows system administrator in Riverside, CA is $92,775.00, according to ZipRecruiter salary data. Most workers in this role earn between $73,000.00 and $108,500.00 per year, depending on experience, location, and employer.

What is the difference between Contract Linux Windows System Administrator vs Network Administrator?

AspectContract Linux Windows System AdministratorNetwork Administrator
CertificationsLinux/Windows certifications (e.g., CompTIA Linux+, Microsoft Certified)Network certifications (e.g., Cisco CCNA, CompTIA Network+)
Work EnvironmentServer management, system deployment, troubleshooting on Linux and Windows serversNetwork infrastructure, routers, switches, and network security
Employer & Industry UsageIT service providers, tech companies, data centersTelecom, corporate IT departments, ISPs

The Contract Linux Windows System Administrator primarily manages server environments, focusing on operating systems, while the Network Administrator concentrates on network infrastructure and connectivity. Both roles require technical certifications and often work in similar industries, but their core responsibilities differ in scope and focus.

What cities near Riverside, CA are hiring for Contract Linux Windows System Administrator jobs? Cities near Riverside, CA with the most Contract Linux Windows System Administrator job openings:
Contract Linux Windows System Administrator jobs near you

Red Hat Certified Engineer (RHCE) with Security Clearance

UICGS and Bowhead Family of Companies

Corona, CA

Other

Posted 5 days ago

Job description

Overview Bowhead seeks a Red Hat Certified Engineer (RHCE) to join our team on the Corona IT program. The Red Hat Certified Engineer (RHCE) will provide senior-level administration, engineering, and operational support for Linux-based enterprise systems and container platforms supporting mission-critical government and DoD programs and serve as a technical authority for Linux infrastructure, container orchestration, automation, and secure system operations in classified and unclassified environments. A current Red Hat Certified Engineer (RHCE) or Red Hat Certified Architect (RHCA) certification is required to be considered for this position.

This position is 100% onsite. Responsibilities • Install, configure, administer, and maintain Linux operating systems (RHEL, CentOS, Rocky, or equivalent) across physical, virtual, and containerized platforms. • Deploy, configure, administer, and sustain Red Hat OpenShift clusters, including control plane and worker nodes, storage integration, networking, and platform upgrades.

• Support containerized workloads using Kubernetes and OpenShift, including image lifecycle management, registry integration, role-based access control (RBAC), and namespace management. • Perform system hardening, patching, and vulnerability remediation in accordance with DoD STIGs, RMF, and cybersecurity requirements, including container security best practices. • Support and maintain virtualized and hyper-converged infrastructure (VMware ESXi) hosting Linux and OpenShift environments.

• Develop and maintain automation and Infrastructure-as-Code (IaC) solutions using Ansible, Bash, Python, and CI/CD integrations to accelerate platform provisioning and consistency. • Monitor system, cluster, and application performance; troubleshoot complex Linux, Kubernetes, and OpenShift-related issues across development, test, and production environments. • Implement and maintain logging, monitoring, and alerting solutions for Linux systems and OpenShift clusters.

• Support backup, recovery, and disaster recovery solutions for Linux systems, container platforms, and persistent storage. • Collaborate with cybersecurity, networking, DevSecOps, SOC/NOC, and application teams to ensure secure, resilient, and compliant operations. • Develop and maintain technical documentation including build guides, SOPs, platform architecture diagrams, and configuration baselines.

• Participate in security assessments, audits, inspections, and Authority to Operate (ATO) activities. • Provide mentorship and technical leadership to junior Linux and container platform administrators. • Provide technical briefings and system status updates to program leadership and government stakeholders as required.

• 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 a related field.

• Seven plus (7+) years of experience as a System Administrator with a strong focus on Linux systems. • Senior-level administration of Linux enterprise environments • Hands-on experience with Red Hat and Kubernetes • Container platform security, RBAC, and compliance implementation • Scripting and automation (Ansible, Bash, Python) • Virtualization and enterprise infrastructure support • Experience supporting mission-critical or classified systems • Strong troubleshooting, documentation, and communication skills • Ability to work independently and lead technical efforts Certifications: • Comp TIA Sec+ and one of the following • Red Hat Certified Engineer (RHCE) or Red Hat Certified Architect (RHCA) Preferred Qualifications: • Experience in DoD, classified, or SAP environments • DevSecOps and CI/CD pipeline integration experience • LPIC-2 & LPIC-3 (Linux Professional Institute) • Linux Foundation Certified Engineer (LFCE) • Certified Kubernetes Administrator (CKA) • GIAC Certified UNIX Security Administrator (GCUX) SECURITY CLEARANCE REQUIREMENTS: Must be able obtain and maintain security clearance at the Secret level. An in-scope security clearance at the Secret level or higher is preferred.

US Citizenship is a requirement for Secret clearance at this location. Physical Demands: • Ability to work in data centers, secure facilities, and operational environments • Must be able to lift up to 25 pounds • Must be able to stand and walk for prolonged amounts of time • Must be able to twist, bend and squat periodically #LI-MN1

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