IT Systems Administrator Jobs in Costa Mesa, CA

Advance database management and architecture for mission-critical platforms. Ensure high availability, security compliance, and optimal performance while leading incident responses and implementing ro...

Accelerate progress at a pivotal role ensuring optimal performance of the ServiceNow platform, handling system upgrades, user management, and complex problem resolution, while collaborating with stake...

Innovate solutions to enhance enterprise system availability and security. Lead strategic planning and coordination with IT teams while ensuring compliance with industry regulations, and mentor junior...

Take ownership of IT infrastructure by ensuring high availability, security, and compliance. Act as a liaison between management and IT teams while mentoring junior staff and leading special projects...

Elevate organizational security by managing end-user computing, networks, and security protocols. Drive strategic projects, ensure robust infrastructure, and lead innovative technology initiatives to...

Join a dynamic team to drive corporate IT systems administration, focusing on identity management, cloud infrastructure, and automation. Your expertise will enhance reliability, security, and the over...

Elevate your career by leading technology integration and migration projects, focusing on enterprise transformation and modernization during critical phases, ensuring seamless transitions and heighten...

Explore a dynamic role supporting proprietary Linux environments, focusing on installation, configuration, and security of RHEL and AWS systems while collaborating with cross-functional teams to enhan...

Take ownership of mission-critical network infrastructure to design, implement, and secure systems. Requires expertise in Palo Alto firewalls and Aruba solutions, excelling in fast-paced, performance...

Take ownership of implementing phased computer systems, conducting thorough requirements analysis, and ensuring client approvals. Drive integration and testing of systems while managing configuration...

Transform IT infrastructure management by leading systems planning, execution, and vendor relations while ensuring operational excellence and system stability to meet evolving customer needs...

Drive system enhancements and user satisfaction by collaborating with teams to improve PMWeb’s performance and streamline processes while ensuring effective training and support for stakeholders and e...

Tackle system challenges by defining objectives for PMWeb. Collaborate with teams to enhance user experience, troubleshoot issues, and ensure smooth data migration. Drive improvements and deliver trai...

Lead the charge in enhancing enterprise efficiency as you oversee and optimize ERP systems. You'll collaborate with cross-functional teams to ensure seamless operations in finance, supply chain, manuf...

Drive innovation in application optimization across iOS, Android, and Windows. Collaborate with teams to troubleshoot and enhance performance while ensuring seamless integration and user experience in...

Engineer integrated IT systems architectures to support mission-critical operations and enhance engineering capabilities, ensuring robust infrastructure solutions for satellite and launch operations i...

Unlock potential by leading Yardi administration efforts, ensuring platform integrity and user experience across properties. Collaborate with teams to resolve issues and manage system configurations...

Manage and enhance the Yardi property management platform, ensuring system integrity and user support. Collaborate cross-functionally to resolve issues, implement changes, and onboard new properties w...

Join our team to support mission-critical PostgreSQL database operations, optimize performance, and ensure data integrity across enterprise environments. Your expertise in ETL and Oracle administratio...

Join a team that's pioneering innovative solutions as a Staff level Windows and Virtualization Systems Analyst, supporting the Sentinel program. Thrive in a collaborative environment focused on revolu...

Reimagine the future of technology as you lead architectural designs for complex, scalable systems. This role focuses on establishing standards and ensuring compliance for enterprise technologies in a...

Join a team that leads the charge in safeguarding systems through thorough assessments and compliance efforts. Enhance organizational security architecture and mitigate risks while collaborating acros...

Elevate business efficiency by supporting and enhancing critical applications. Collaborate with teams to resolve issues, ensure performance, and promote user satisfaction while managing system updates...

Transform the digital landscape by integrating systems while providing hands-on leadership across various environments. Drive innovation with deep expertise in network architecture and engineering as...

Advance your career by providing expert network solutions and support within the city’s IT infrastructure. Collaborate with teams to enhance system performance while ensuring operational excellence an...