IT Systems Administrator Jobs in Tustin, CA

Manage the implementation and operation of IT systems supporting DOJ's complex litigation needs. Optimize performance and ensure security while leading a team in a fully remote environment dedicated t...

Unlock potential by overseeing the administration of on-premises servers and cloud systems, ensuring seamless IT operations and support across the organization, while driving technology trends and enh...

Zachary Piper Solutions is looking for a Mid-Level System and Network Administrator to support 24/7 test operations for a Space Systems Verification and Test team in El Segundo, CA. The role involves...

Innovate and enhance enterprise server infrastructure by designing, implementing, and maintaining secure systems. Collaborate with stakeholders to improve efficiency and reliability while supporting b...

Unlock potential by providing senior technical leadership for Air Force IT systems. Manage infrastructure, coordinate delivery teams, and enhance system capabilities while ensuring operational stabili...

Join our team to maintain optimal network and system performance, ensuring seamless IT operations and security. Your expertise will support endpoint management, system updates, and troubleshooting wit...

Empower your career by designing and optimizing complex IT infrastructure solutions that support engineering and corporate operations, ensuring scalability, reliability, and compliance while leading a...

Champion innovative IT solutions at the DOJ by analyzing requirements, designing systems, and leading technical teams to support complex litigation missions in a fully remote environment...

Transform analytical services by leading comprehensive program execution, from requirements analysis to software design. Drive project success by ensuring alignment with business goals while effective...

Join a team that's transforming enterprise application delivery through innovative designs and solutions. Leverage your expertise in F5 BIG-IP technologies while supporting mission-critical applicatio...

Pioneer a forward-thinking IT strategy to enhance operational efficiency and drive data-driven decision-making across business systems and infrastructure while ensuring compliance and cybersecurity re...

Optimize VIP IT support at our fast-paced site by providing top-tier assistance to senior leaders, managing mobile devices, and maintaining compliance with cybersecurity standards, ensuring swift reso...

Join a team that's enhancing the security framework for critical military networks through system administration. Take on daily challenges ensuring system availability and compliance in defensive cybe...

Champion cloud engineering excellence by leading teams in architecting, designing, and deploying robust multi-cloud infrastructures while ensuring operational reliability and security compliance for f...

Elevate your expertise as a Systems Administrator, supporting high-stakes programs by managing operating systems, implementing automation, and ensuring security compliance. Collaborate with top engine...

Drive innovative solutions as a Senior System Administrator, overseeing system integration, administration, and performance optimization while collaborating with cross-functional teams to enhance oper...

Support the implementation and maintenance of IT systems, ensuring efficient daily operations and troubleshooting issues for personnel at all levels.

Reimagine corporate IT by owning strategy and execution to support rapid growth. Lead initiatives for infrastructure, security, and efficiency while collaborating with leadership and driving hands-on...

Pioneer the future of litigation support as you manage IT systems for DOJ, optimizing automated resources for complex legal proceedings. Join our remote team to enhance system performance and ensure c...

Lead the charge in shaping industrial automation strategies that enhance operational efficiency and reliability. Oversee complex system design and implementation while mentoring engineering teams to a...

Lead the charge in architecting and managing mission-critical IT systems, ensuring high availability and security across infrastructure. Play a pivotal role in cloud migrations and automation efforts...

Shape the future of IT operations by administering and optimizing Windows, Linux, and cloud infrastructure. Collaborate across departments to enhance technical solutions, ensuring secure and efficient...

Champion operational excellence by managing IT and enterprise software systems, driving tool consolidation, implementing automation, and ensuring reliable IT operations in a fast-paced, growing health...

Join a team that's integral to the DOJ's litigation mission, supporting complex applications as an E-Discovery Application Administrator. This fully remote role demands expert programming skills to en...

Lead a dynamic team specializing in IT Operations & Maintenance, focusing on Windows network management, Active Directory, and system administration while ensuring top-notch service delivery and IT in...