IT Systems Administrator Jobs in Tustin, CA

Shape the future of engineering by leading small projects, enhancing client relationships, and delivering precision in discipline-specific designs while evolving through mentorship and collaborative t...

Elevate your career as a hands-on technical leader, guiding a team of DevOps and Security engineers to enhance infrastructure, drive security improvements, and implement best practices in cloud enviro...

Lead the charge in enhancing DoD Financial Management systems by providing expert guidance on enterprise architecture and process remediation, ensuring seamless ERP transitions and maintaining robust...

Contribute to the development and maintenance of automation frameworks, deploying and managing Helm charts across diverse Kubernetes environments, while collaborating with teams to optimize platform p...

Help us transform the insurance industry by delivering high-quality software solutions. Collaborate with a dynamic team to design, develop, and enhance applications using C#, ASP.NET, and Angular whil...

Champion impactful client engagements by driving pre-sales design, managing project delivery, and fostering executive relationships. Leverage strategic vision and leadership skills to enhance account...

Contribute to transformative advancements by managing large-scale advanced packaging projects from inception to high-volume production, ensuring collaboration and compliance at every stage while drivi...

Join a team that's driving cyber defense and resilience through proactive patching and remediation. Collaborate with clients to minimize vulnerabilities and enhance security outcomes across enterprise...

Manage system performance and integration efforts while ensuring operational excellence. Act as a liaison among stakeholders, enhancing database capabilities in alignment with organizational objective...

Drive seamless international mobility and program operations support for U.S. Navy teams deployed in Saudi Arabia, ensuring effective administration, travel coordination, and compliance management to...

Take ownership of vulnerability assessments and compliance for our IT infrastructure. Collaborate with teams to remediate vulnerabilities, enhance monitoring tools, and mentor junior analysts, all whi...

Champion the organization’s IAM initiatives by managing user access, ensuring compliance, and enhancing security practices across diverse applications and systems. Collaborate with stakeholders to imp...

Champion operational excellence by owning the Zendesk platform, driving AI-enabled efficiencies, and enhancing workflows while partnering with teams to improve service delivery and the end-user experi...

Unlock potential by driving sales growth through new client acquisition and relationship management. The role emphasizes collaboration, territory development, and leveraging industry expertise to meet...

Lead the charge in designing and implementing high-performance Salesforce Commerce Cloud solutions, ensuring project success through collaboration and technical excellence while nurturing team capabil...

Transform healthcare outcomes by leading a dynamic coding department, ensuring compliance, optimizing operations, and enhancing financial performance across multiple locations local to the organizatio...

Take ownership of database health and performance as a Junior DBA, collaborating with cross-functional teams to enhance skills in cloud-based infrastructure and production support. Engage in continuou...

Join a team that's driving technology solutions. Lead delivery of mainframe applications, ensuring quality and compliance in healthcare processes, while utilizing advanced engineering and collaborativ...

Lead the delivery of technology solutions, managing projects and overseeing integration, testing, and support of mainframe applications to ensure high-quality execution and client satisfaction...

Drive the development and modernization of large-scale enterprise data integration solutions. Utilize strong Informatica PowerCenter and SQL expertise to support complex data environments and enhance...

Lead the management and coordination of DOJ Division operations under the MEGA 6 ALS program. Oversee project performance, maintain quality deliverables, and serve as the primary contact with the Gove...

Join a team that's leading the charge in advanced cybersecurity assessments, simulating adversary tactics to identify vulnerabilities across the Federal Reserve's infrastructure and operations, enhanc...

Lead the charge in securing greenfield data center campuses, overseeing physical security from construction to operations, driving compliance, and partnering with engineering teams to deploy advanced...

Lead the charge in optimizing large-scale capital improvement projects through innovative technology solutions and strategic PMIS implementations. Serve as a vital liaison among executive leadership...

Drive the development and integration of advanced ground systems architecture for space and defense programs. Collaborate across teams to ensure seamless operations and compliance with mission require...