Systems Administrator Jobs in Irvine, CA

Deliver critical IT support by managing user accounts, endpoints, and network infrastructure, while enhancing operational efficiency in a regulated environment. Collaborate across teams to maintain ro...

Engage in advanced support for diverse desktop, server, and network systems, addressing complex issues as the first escalation point. Contribute to client satisfaction and enhance efficiency by provid...

Tackle advanced infrastructure support for desktop, server, and network environments. Provide technical resolution and client support, serving as the first escalation point for technicians while ensur...

Champion the administration and optimization of Linux systems vital to eBusiness operations. Leverage your expertise in shell scripting and enterprise applications to ensure seamless data interchange...

Shape the future of enterprise network operations, security, and infrastructure while managing and sustaining an integrated IT environment with a focus on routing, switching, and network security tech...

Zachary Piper Solutions is looking for a Mid-Level System and Network Administrator to support 24/7 test operations for a Space Systems Verification and Test team in El Segundo, CA. The role involves...

Join a dynamic team as you maintain and secure both on-premises and cloud infrastructures. Your role includes supporting operating systems, managing applications, and ensuring system integrity while c...

Join a team that's focused on elevating enterprise Linux environments through automation, CI/CD development, and system administration while ensuring security and operational stability across all plat...

Engineer innovative network solutions that optimize performance, security, and reliability for a multi-site enterprise. Collaborate across teams to enhance infrastructure and support growth initiative...

Elevate your career as a key contributor to our Infrastructure team, specializing in managing custom-built Linux servers and enhancing our virtualized environment while collaborating with a seasoned t...

Transform IT operations by providing essential support for systems, infrastructure, and networks. Take on a dynamic role that encompasses helpdesk work, endpoint management, and collaborating on infra...

Elevate operational excellence by managing IT systems, supporting cybersecurity, and leading infrastructure initiatives. Collaborate across teams to drive innovative tech solutions while ensuring the...

Manage and optimize a complex Windows Server environment and Active Directory infrastructure. Lead advanced troubleshooting, system design, and automation initiatives while ensuring security and relia...

Optimize IT systems and infrastructure while ensuring performance, security, and compliance. Lead troubleshooting efforts and mentor juniors, driving innovation to support business goals within a dyna...

Elevate network operations by managing and optimizing multi-site infrastructures, ensuring efficient firewall administration and real-time support for live events. Join a dynamic team enhancing immers...

Optimize the operation and configuration of complex Okta environments, ensuring stability and support while leading a team of system administrators and enhancing end-user technology experiences...

Empower your career by leading IT network infrastructure operations, driving optimization and security in servers, systems, and storage. Collaborate strategically to enhance performance and innovation...

Unlock potential by managing and optimizing enterprise infrastructure, supporting both cloud and on-premises systems, with a focus on high availability and security. Collaborate closely with key stake...

Lead the charge in optimizing data center operations, overseeing hardware management and infrastructure reliability while ensuring effective communication between technical teams and supporting projec...

Shape the future of IT infrastructure by leading enterprise tech initiatives, from system migrations to software rollouts. Drive process improvements and mentor junior staff while supporting a dynamic...

Deliver expert administration and management of ClearPath OS2200 systems, ensuring optimal performance and security. Collaborate with teams to enhance services, support integration, and drive continuo...

Build and maintain robust IT systems ensuring high availability and security across applications. Collaborate with teams for optimal system deployment and guide junior staff, meeting both regulatory s...

Join a team that's enhancing ServiceNow capabilities by supporting its administration and application development, ensuring operational reliability and efficient service delivery within a collaborativ...

Elevate your IT career by managing enterprise applications and databases, collaborating on innovative technology projects, and supporting vital systems in both cloud and on-premises environments for o...

Drive proposal pricing strategy and cost volume development to secure complex opportunities in national security, civil, and commercial space pursuits. Collaborate cross-functionally to ensure competi...