IT Systems Administrator Jobs in Tustin, CA

Deliver innovative cloud solutions by managing Microsoft 365 systems, applications, and support. Lead projects to optimize performance and guide best practices in application development to enhance th...

Join a team that's advancing satellite ground systems through interdisciplinary collaboration and cutting-edge technology. Drive the verification, testing, and documentation processes while ensuring m...

Lead the charge in transforming Cloud Operations by driving operational health, stability, and performance for our Enterprise Imaging cloud platform, ensuring compliance, and fostering innovation thro...

Drive fire management operations by supervising firefighters, controlling large fires, and shaping budgets. Collaborate with diverse teams to ensure effective responses and strategic planning to prote...

Champion cloud infrastructure excellence while driving automation, compliance, and DevOps practices. Collaborate on innovative solutions using modern technologies to enhance system reliability and per...

Lead the charge in transforming IT sourcing strategy and vendor management globally, optimizing $100M+ IT spend while ensuring service delivery excellence and compliance across diverse supplier relati...

Join a dynamic team to develop next-gen satellite ground systems. Collaborate in planning, designing, and verifying system solutions while ensuring mission success through robust testing and requireme...

Join a team that's shaping innovative network architectures for AI demands, influencing hardware/software roadmaps through collaborative design and solution development with top-tier cloud providers i...

Unlock potential by bridging design and engineering alignment to meet AI demands. Collaborate with teams to translate customer needs into engineering documents, ensuring reliability through innovative...

Lead the charge in managing IT hardware assets by overseeing inventory, shipping, and disposal processes. Ensure compliance with DoD regulations while optimizing asset utilization and providing traini...

Lead impactful civic engagement initiatives by managing programs and staff, driving outreach, and fostering collaboration to strengthen community participation and advocacy efforts. Support organizati...

Champion procurement excellence by leading sourcing strategies and vendor negotiations, while optimizing supplier relationships across global teams to drive cost efficiency and operational effectivene...

Advance military communication technology as a Senior RF Systems Architect Engineer, leading cross-functional teams to develop tactical radios and GPS solutions tailored for the US Armed Forces, ensur...

Partner with us to enhance client satisfaction by building lasting relationships, driving solutions, and optimizing service delivery in a dynamic environment. Use your expertise to create measurable s...

Elevate your career to partner with teams in developing innovative SaaS solutions, leading projects, and leveraging advanced technologies to solve complex problems while ensuring high-quality delivery...

Unlock potential by driving innovative network solutions that bridge customer needs with advanced engineering. Collaborate with cross-functional teams and lead the design of next-gen implementations f...

Grow and manage a thriving local magazine business, driving revenue and building client relationships through community engagement and collaboration while operating with flexibility from your home off...

Join the AI Prototyping & Automation team to identify and prototype AI automation solutions, driving operational efficiency across the enterprise through hands-on analysis and AI tool utilization in a...

Advance technical leadership in Linux service delivery, driving strategic direction, operational excellence, and team development. Collaborate with clients and senior management to enhance performance...

Drive financial system excellence by optimizing and supporting global financial platforms. Collaborate cross-functionally to enhance processes, troubleshoot issues, and deliver technical solutions tha...

Unlock potential by transforming SharePoint environments through effective content management, site administration, and user support. Drive modernization initiatives while collaborating with teams to...

Architect and develop high-quality applications with a focus on Mendix. Collaborate with teams to enhance features, ensuring performance and code quality while staying current with technology advancem...

Execute comprehensive security compliance and risk management initiatives, enhance audit readiness, and drive continuous improvement by collaborating with cross-functional teams to uphold security sta...

Empower organizations by securing machine, service, and application identities across cloud and hybrid environments. You will assess risks, implement governance, and enhance cybersecurity through inno...

Unlock potential by leading client analytics setups to create impactful reporting for health systems, enhancing revenue cycle efficiency through data processes, and driving implementation improvements...