IT Systems Administrator Jobs in Tustin, CA

Innovate in a remote environment by leading the design and delivery of secure, cloud-native applications. Drive enterprise performance and resilience through advanced containerization and integrative...

Transform our internal tech landscape by leading IT operations and strategy. Build a secure, efficient infrastructure from scratch, ensuring compliance and productivity as you navigate day-to-day oper...

Join a team that's dedicated to advancing AI technologies by designing prompts, optimizing AI outputs, and training users. Collaborate with experts to enhance AI performance and ensure impactful decis...

Lead the charge in enhancing cybersecurity for classified systems by providing strategic guidance, evaluating technologies, and supporting compliance initiatives across multiple teams to optimize secu...

Unlock potential by steering large-scale federal IT programs to optimize infrastructure, enhance data center operations, and integrate business strategies. Collaborate with VA leadership to drive ente...

Launch your career as a Security Operations Analyst, where you'll enhance security infrastructure, drive incident response, and partner with IT teams to strengthen defenses in a dynamic and impactful...

Drive the design and implementation of robust Azure cloud infrastructures, ensuring modern data platforms are seamlessly built for health system partners to leverage AI technologies and enhance data i...

Join a dynamic Cyber Defense team that leads vulnerability management and patching efforts while improving client security operations and driving risk reduction initiatives across enterprise environme...

Lead the charge in reducing cyber risk through strategic engineering initiatives, driving patch governance and remediation while collaborating with clients to enhance operational efficiency across div...

Unlock potential by joining our team as a Full Stack Developer, collaborating on innovative technical solutions across multiple programming languages and cloud platforms, while ensuring scalable and s...

Champion efficient asset management by overseeing the lifecycle and compliance of technology resources, while driving organizational performance and cost savings through robust inventory tracking and...

Grow sales by mastering value propositions, cultivating customer relationships, and developing strategic approaches to meet revenue and profit goals while staying updated on industry trends and buildi...

Unlock your potential by providing strategic technical leadership across diverse engineering teams, shaping architectural principles and driving alignment between technology and business priorities in...

Empower mission-critical environments by delivering Elastic solutions, guiding architecture and strategy while fostering strong customer relationships and driving maximum product value through tailore...

Lead the design and implementation of Cisco VoIP and wired network systems, ensuring performance and security while guiding a team in site surveys, documentation, and technical training for successful...

Optimize application performance and reliability as an Application Support Engineer. Ensure seamless operations of our cloud-hosted mortgage platform through effective troubleshooting, incident manage...

Unlock potential by joining our team of Cybersecurity Engineers dedicated to safeguarding enterprise systems, supporting mission-critical operations, and enhancing cybersecurity measures in dynamic, r...

Engineer the future of financial system management by maintaining Momentum environments and ensuring operational excellence through effective troubleshooting, compliance support, and system health man...

Unlock your potential by safeguarding our digital ecosystem as you lead innovative security projects alongside a diverse team, enhancing collaboration and trust across our platform for millions of use...

Pioneer database reliability and security in a pivotal leadership role. Manage critical infrastructure, collaborate cross-functionally, and drive modernization initiatives to support business growth a...

Join a dynamic team to design and optimize Splunk capabilities that enhance cybersecurity monitoring and incident response. Utilize your expertise in engineering, data integration, and analytics to su...

Lead the IT strategy and operations, managing teams and projects to enhance our organization's technology capabilities. Drive innovation and efficiency while collaborating across departments to align...

Join a team that's dedicated to providing essential technical support for clinical trials. You'll assist in implementing study procedures, coordinate data collection, and ensure proper documentation f...

Analyze and support production infrastructure for attraction systems, ensuring high availability and security. Collaborate with cross-functional teams to automate processes and resolve complex technic...

Develop and manage network systems while ensuring optimal performance and security. Engage with vendor support and troubleshoot issues, contributing to the mission of evaluating Navy capabilities in a...