IT Systems Administrator Jobs in Tustin, CA

Elevate your career as you design and develop innovative tooling solutions, collaborating with a talented team to enhance manufacturing and aerospace projects while ensuring quality, efficiency, and s...

Unlock potential by leading IAM solutions, enhancing security across digital channels while managing client relationships and tailoring strategies to combat evolving cyber threats...

Champion the design and delivery of innovative IAM solutions, enhancing cyber security measures for clients. Collaborate with diverse teams to identify risks, implement access management tools, and dr...

Transform healthcare automation by building scalable Python frameworks. Collaborate with cross-functional teams to enhance legacy systems, ensuring compliance and accuracy while mentoring junior staff...

Champion the security and efficiency of network infrastructure by implementing Cisco solutions in a federal environment. Collaborate with teams to align operations with Zero Trust principles and enhan...

Champion innovative cybersecurity solutions by collaborating with teams to deliver high-quality technical solutions, analyze business needs, and mentor junior members, contributing to advancements in...

Champion innovative RF communication systems by architecting solutions that meet customer needs. Collaborate with multi-disciplinary teams for robust system integration, ensuring product performance a...

Champion a dynamic team focused on optimizing enterprise applications for peak performance. Leverage your analytical skills and collaborate with stakeholders to drive business processes and support ap...

Champion communications security operations to protect classified environments. Manage daily COMSEC activities, draft policies, and ensure compliance while leading a growing team to enhance national s...

Join us to analyze and enhance business workflows, manage financial data, and drive cross-functional improvements. This strategic role focuses on providing actionable insights to support operational e...

Execute comprehensive eDiscovery strategies, coordinating technical and legal processes for complex litigation at a federal level, ensuring efficient project management and adherence to best practices...

Elevate operational excellence in electrical infrastructure for hyperscale AI data centers. Lead audits, ensure readiness, and drive improvements, bridging operations, design, and construction to main...

Join a team that's architecting and customizing an enterprise AI search platform, engaging with clients to implement and enhance solutions, and collaborating with cross-functional teams to ensure impa...

Elevate your career by joining a dynamic Advisory team focused on compliance technology, where your skills in analytical problem-solving and collaboration will drive impactful solutions for community...

Help us modernize data architecture by leveraging AI and cloud technologies. This role involves designing scalable data pipelines, integrating legacy systems, and ensuring data quality to drive insigh...

The Building Systems Manager - Healthcare is responsible for overseeing the service, maintenance, and repair of various building systems within UCLA Health System facilities. This role includes managi...

Engineer cutting-edge Electronic Warfare systems, collaborating with government personnel to innovate and ensure program success, while conducting testing and delivering technical documentation to uph...

Lead high-impact technical programs, driving alignment across teams and ensuring successful execution of complex initiatives. Collaborate with stakeholders in dynamic environments to enhance delivery...

Transform the future of technology integration in M&A by leading complex initiatives, managing project plans, and engaging cross-functional teams to drive success across mergers and acquisitions, ensu...

Take ownership of critical operations research challenges in a dynamic environment, leveraging advanced tools and extensive expertise to optimize organizations in support of national defense initiativ...

Lead the charge in fostering partner engagement and subcontractor coordination to ensure effective workforce management and risk mitigation across projects. Collaborate cross-functionally to maintain...

Advance operational excellence by leading building automation systems for a global fleet, ensuring optimal coordination and continuous improvement of critical environments to meet AI workload demands...

Join us to manage complex real estate projects from inception to completion, collaborating with clients to meet business objectives through strategic planning and technical expertise in project manage...

Unlock potential by driving customer success and technical excellence in the public sector, transforming eLearning goals into strategic initiatives. Bridge customer relations and internal teams to enh...

Champion the development of innovative mechanical nuclear systems, integrating engineering expertise to support BWRX-300 design objectives while collaborating across teams to enhance product quality a...