IT Systems Administrator Jobs in Tustin, CA

Partner with us to enhance U.S. Space Force operations through expert integration, overseeing system development, and collaborating with diverse stakeholders to achieve strategic objectives...

Optimize cloud operations as a Senior DevOps Engineer by enhancing infrastructure and automating software delivery workflows. Collaborate with development teams to ensure security and efficiency in a...

Lead the optimization of financial operations by architecting and managing the Oracle Cloud Fusion Cost Management & Receipt Accounting systems, ensuring accurate and timely financial data across inte...

Join us to enhance post-sales customer relationships for strategic accounts, ensuring proactive support, timely resolutions, and the maintenance of strong partnerships while driving customer success a...

Lead the charge in delivering exceptional field services in the data center market. Engage with customers, execute complex service tasks, and innovate processes—all while traveling across the U.S. wit...

Engage in your career as a Field Technician II, ensuring optimal performance of electrical power equipment through routine testing, maintenance, and troubleshooting, while adhering to safety protocols...

Transform cloud infrastructure through innovative deployment and optimization. Collaborate across teams to enhance performance and scalability for mission-critical federal applications. Drive initiati...

Lead transformative technology solutions by driving presales and delivery governance. Collaborate with engineering teams to achieve defined outcomes and enhance organizational change through strategic...

Elevate our business applications through strategic leadership, overseeing daily IT operations, project management, and stakeholder engagement. Drive innovation to enhance systems like ERP, CRM, and F...

Elevate your career by driving innovation and enhancing uptime for critical platforms. Collaborate, monitor, and design robust architectures while implementing best practices in a dynamic team environ...

Drive the evolution of our Security Operations Center to enhance threat detection and incident response capabilities while ensuring compliance and safeguarding sensitive data through advanced automati...

Join a team that's driving innovation by designing and implementing Oracle-based solutions for enterprise systems. Collaborate across departments to optimize integrations and ensure robust performance...

Provide comprehensive analysis and solution design to advance the Veteran experience in the Health Benefits Management System project, leveraging your expertise to implement effective business strateg...

Champion end-to-end manufacturing processes, driving data integrity and operational excellence. Collaborate across teams to enhance performance, improve workflows, and implement continuous improvement...

Engage in technical leadership to develop and oversee server operations, manage data center infrastructure, and troubleshoot complex systems. Drive automation and provide support for cloud technologie...

Elevate IT operations by orchestrating complex initiatives, driving user adoption, and optimizing delivery processes. Serve as the key liaison among technical teams and business stakeholders to ensure...

Drive the end-to-end management of projects valued at $500K to $1M, ensuring timely delivery and customer satisfaction. Lead high-performing teams, optimize resources, and implement effective governan...

Lead the charge in integrating security within the software development lifecycle, ensuring compliance with federal regulations while managing cloud and infrastructure operations in a fully remote set...

Optimize and develop an internal AI Enablement Platform; lead projects, integrate Microsoft identity systems, and enhance productivity through cutting-edge software tools while collaborating across te...

Elevate project financial management across large construction projects by overseeing job costing, accounts payable, and vendor compliance while collaborating with cross-functional teams to enhance op...

Analyze and optimize business processes in accounting systems. Collaborate with teams to identify needs, ensure compliance, and provide training on PeopleSoft and SAP. Join us in enhancing operational...

Drive international technical integrations and engage customers through hands-on training and support for mission-critical deployments. Collaborate with teams globally to enhance operational success a...

Help us enhance cyber resilience by delivering transformative ServiceNow solutions, engaging with stakeholders, documenting requirements, and leading implementation efforts to optimize IT operations a...

Advance your career as you design and develop cutting-edge APIs that enhance public data discovery and analytics applications, ensuring excellence through the full software development lifecycle while...

Empower your career by supporting critical cybersecurity measures for a major Air Force program. Ensure robust security across classified and unclassified environments to maintain compliance and safeg...