IT Systems Administrator Jobs in Tustin, CA

Optimize critical infrastructure maintenance across multiple regions, leading teams to enhance reliability, mitigate risks, and ensure compliance. Drive financial planning and operational excellence w...

Launch your career by leading training support operations for the Army National Guard. Collaborate with teams across the U.S. to support training and evaluation, ensuring effective use of training dev...

Elevate your career by designing and implementing backend services that enhance developer productivity and ensure platform security. Collaborate with cross-functional teams to deliver robust, AI-enhan...

Unlock potential by driving new enterprise sales within security services, cultivating relationships with C-level executives, and providing tailored solutions to meet unique security challenges in div...

Advance technical excellence by leading a dedicated team of engineers focused on nuclear power applications, ensuring compliance, driving business growth, and fostering customer relationships for succ...

Pioneer a transformative workforce development project by leading high-volume, full-cycle recruitment efforts for a cutting-edge enrichment facility, collaborating with teams and community partners to...

Join a dynamic team where you'll lead customer engagements, providing expertise in NICE products and contact center solutions. Drive technical projects, mentor junior staff, and enhance client satisfa...

Join a team that's transforming organizations by leading enterprise Integration and Data Migration services focused on Cloud Adoption and Change Management strategies. Drive innovative solutions and e...

Partner with us to elevate operational efficiency in digital media through data-driven insights, strategic recommendations, and cross-functional collaboration, supporting the growth of innovative crea...

Advance your career with a dynamic role driving new business sales in enterprise security solutions. Engage with C-level decision-makers, utilizing a consultative approach to offer tailored services t...

Join us to lead complex Azure solutions, overseeing architecture, migrations, and security models. Engage directly with clients and mentor teams while driving innovative cloud strategies and enhancing...

Champion advanced AI solutions by driving the development of LLM architectures, integrating cutting-edge technologies, and collaborating in a dynamic team environment focused on innovative AI applicat...

Elevate your career by guiding a functional team and enhancing service delivery. Collaborate across initiatives to identify and resolve issues while mentoring junior members. Drive improvements in onb...

Champion financial clarity and operational excellence as you lead accounting processes, ensure compliance with GAAP, and provide insightful financial analysis to drive strategic decision-making across...

Drive operational excellence by overseeing program activities and managing internal teams and subcontractors to ensure compliance with service agreements in a dynamic utility environment. Foster colla...

Manage comprehensive project scheduling efforts, ensuring alignment with execution philosophies and quality assurance standards. Collaborate with contractors to analyze schedule impacts and lead negot...

Join a team that's transforming software solutions by developing high-quality applications. Lead your peers with innovative designs, mentor fellow engineers, and ensure best practices while contributi...

Shape the future of enterprise solutions by owning technical execution of AI integrations, collaborating closely with project teams to deliver seamless, secure, and scalable implementations that enhan...

Manage complex IT delivery across a portfolio, leading Project Managers and owning critical integrations. Drive discipline, execution, and program health in a dynamic, multi-platform environment while...

Shape and oversee large-scale healthcare implementation projects, ensuring timely delivery, customer satisfaction, and effective communication across teams. Lead resource coordination, issue resolutio...

Engage as a thought leader in the Utilities domain, driving transformation initiatives. Lead client teams and execute growth strategies while mentoring top talent in a dynamic consulting environment f...

Oversee the management of complex project portfolios, ensuring alignment with strategic goals while leading multi-disciplinary teams to enhance operational efficiency and drive successful project exec...

Lead the charge in managing a diverse project portfolio, optimizing resources, and ensuring alignment with strategic objectives while collaborating with multi-disciplinary teams for effective project...

Transform the future of wireless communication as you lead RF test strategy, develop scalable automation tools, and ensure reliability across RF hardware for spacecraft systems. Collaborate with cross...

Advance your career by overseeing facility operations, equipment maintenance, and ensuring compliance with safety regulations while promoting a safe and efficient work environment across diverse opera...