IT Systems Administrator Jobs in San Diego, CA

Elevate server performance by designing, implementing, and maintaining secure, enterprise-level server infrastructure, leveraging virtualization, automation tools, and best practices for efficiency an...

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...

Engineer day-to-day IT systems reliability by managing user support, SaaS admin, and endpoint management while collaborating with senior IT staff to enhance corporate technology performance in a dynam...

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 IT service delivery by ensuring security, stability, and efficiency in network and systems management while collaborating with cross-functional teams to support mission-critical op...

Empower operations as a System Administrator for MODES III, managing AWS and on-prem cloud systems. Ensure system security, availability, and performance while collaborating with DevOps teams to suppo...

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...

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...

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...

Provide architectural expertise to enhance internal IT systems and automate processes. Drive incident resolution and support Tier 2/3 applications while collaborating with stakeholders to maintain sys...

Champion technology infrastructure improvement by providing critical support for systems, ensuring reliability and performance. Collaborate with teams and vendors while managing projects, change contr...

Join a team dedicated to operating and maintaining critical Navy systems, providing system administration support, managing user accounts, and ensuring compliance while enhancing system reliability ac...

Join a team that's shaping advanced IT infrastructures, leading security initiatives, and driving compliance in classified environments. Mentor junior staff and collaborate on risk mitigation strategi...

Engage in thorough assessments of financial systems to ensure compliance with federal regulations. Utilize expert knowledge in systems controls and auditing practices to protect sensitive information...

Join a dynamic team as an Infrastructure Systems Administrator, overseeing network and telecom systems. Ensure optimal performance through configuration, monitoring, and troubleshooting, while support...

Unlock potential by designing and managing VMware vSphere environments while implementing disaster recovery solutions. Collaborate in cross-functional teams to enhance capacity and optimize performanc...

Develop secure software solutions by integrating containerized apps in DoD environments. Support CI/CD pipelines and automate infrastructure, ensuring operational excellence. Collaborate on cutting-ed...

Optimize enterprise certificate management by mastering PKI/SSL processes, ensuring security compliance, and enhancing system efficiency while providing technical support and navigating industry shift...

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...

Join a team that's dedicated to maintaining and enhancing Linux/Unix environments through expertise in administration, troubleshooting, and proactive monitoring. Support critical operations while deve...

Deliver top-tier Linux/Unix systems administration while optimizing performance, troubleshooting complex issues, and ensuring compliance. Take ownership of operational reports and incident resolution...

Support systems administration by monitoring, troubleshooting, and optimizing network performance across development, testing, and production environments while ensuring compliance with operational st...

Take ownership of advanced Linux/Unix systems administration in a 24x7 NOC environment, ensuring reliability, performing troubleshooting, and managing software packages across multiple locations for o...

Join a team that's dedicated to enhancing Azure cloud infrastructure while supporting critical applications through innovative engineering practices, collaboration, and operational excellence in a dyn...

Drive the management of complex systems across Windows, Linux, and Azure services, ensuring optimal performance and security while providing 7x24 on-call support in a collaborative team environment...