IT Systems Administrator Jobs in Tustin, CA

Explore opportunities as a leader in IT Risk & Compliance, focusing on ERP Assurance across leading platforms. Drive governance initiatives, oversee complex projects, and build client relationships wh...

Champion your skills by providing expert system support to enhance and maintain DoD real property data accuracy. Join us in ensuring compliance and audit readiness for critical projects across the nat...

Empower organizational growth by leading capture and proposal management efforts, ensuring strategic alignment and collaboration across teams to develop winning proposals in the Federal Government sec...

Transform the technology landscape of a defense organization by leading strategic initiatives in cybersecurity, AI, data architecture, and systems integration, driving scalable and compliant solutions...

Grow your career with a high-impact role leading complex healthcare projects, driving outcomes, fostering client relationships, and achieving exceptional results in a collaborative environment...

Drive contract management and compliance by overseeing diverse projects, guiding teams through complex negotiations, and building strong client relationships to ensure business objectives are met. Be...

Join a team that's committed to excellence in managing diverse government contracts. In this role, you will lead contract administration, ensure compliance, and foster strong client relationships whil...

Join a team that's enhancing enterprise financial systems through technical leadership and innovative application development. Drive improvements, troubleshoot issues, and maintain system reliability...

Lead the implementation and optimization of PMIS for a multi-million-dollar capital program, ensuring alignment across stakeholders and systems while enhancing project delivery and financial oversight...

Unlock potential by leading the design and development of complex Microsoft-centric applications. Collaborate with cross-functional teams to enhance system reliability, performance, and maintainabilit...

Shape the future of cybersecurity by enhancing security solutions across complex environments. Collaborate with clients to assess needs, implement strategies, and drive technical depth while navigatin...

Unlock potential by leading workforce benchmarking and productivity efforts across multiple healthcare facilities, enhancing operational efficiency and supporting financial improvements through strate...

Empower the growth of strategic partnerships in the Higher Education sector while driving revenue through innovative AI and storage solutions. Engage with key stakeholders to build relationships and c...

Champion the technical direction of a critical platform, ensuring scalable, reliable, and correct execution across distributed systems, while mentoring teams to uphold architectural integrity in high...

Elevate your career with a leadership role overseeing diverse specialty services in a complex healthcare environment, fostering quality care and innovation while mentoring a dedicated team of medical...

Lead the design and optimization of core network infrastructure, enhancing IP routing reliability and scalability while implementing innovative technologies for high-growth service provider environmen...

Empower your career by managing diverse projects from inception to completion, ensuring customer satisfaction through effective communication and resource allocation. Drive timelines, budgets, and qua...

Transform enterprise security by designing and optimizing robust solutions across cloud and network environments. Collaborate with industry leaders to drive compliance and strengthen defenses against...

Empower the development and execution of performance contracting projects, ensuring customer satisfaction through strategic alignment, project leadership, and safety management while coordinating with...

Champion the development of high-impact AI solutions in the public sector by leading a team of AI Advisors to drive demand and pipeline growth. Collaborate across functions to create effective go-to-m...

Elevate enterprise AI solutions as you design, build, and operationalize agentic AI within client environments, ensuring seamless integration and support through complex production cycles...

Manage complex AI-powered modernization projects in federal healthcare, overseeing cross-functional teams to ensure successful delivery of initiatives that enhance mission-critical systems and support...

Support network integration initiatives and maintain reliable connectivity in enterprise LAN/WAN environments. Collaborate with teams to troubleshoot and enhance network performance while leveraging A...

Engineer the future of hypersonic technology by integrating avionics into our Arc vehicle. Collaborate across teams to tackle technical challenges and ensure the production of high-reliability flight...

Join a team that's driving innovative software products through collaboration and data-driven insights, impacting user experiences and ensuring alignment with strategic business goals across engineeri...