IT Systems Administrator Jobs in Tustin, CA

Champion secure digital access by designing and maintaining IAM solutions that empower organizational efficiency while ensuring compliance with industry standards and best security practices in a hybr...

Support critical system security operations, ensuring compliance and effective monitoring of classified information systems. Engage in incident response, user support, and continuous vulnerability man...

Analyze and enhance system reliability through data integration and modeling, collaborating with cross-functional teams to ensure optimal performance of Navy systems and supporting mission-critical as...

Join us in transforming critical infrastructure! Lead the modernization of telecom systems, ensuring zero downtime while adhering to safety and compliance standards in a fast-paced, regulated environm...

Join a dynamic logistics team to ensure seamless material deliveries, utilizing advanced systems and collaborating with multiple stakeholders to meet critical deadlines and execute delivery requiremen...

Unlock potential by leading complex enterprise system transformations, guiding teams, and building strong client relationships to deliver high-quality BPMN process architectures for large-scale digita...

Lead the charge in secure identity management by developing a high-performing IAM team and overseeing critical identity services while collaborating on enterprise security initiatives and driving oper...

Advance progress at the forefront of national security applications by developing, deploying, and supporting mission-critical software solutions in an Agile environment while leveraging modern cloud a...

Shape secure systems for critical Defense and Intelligence missions by applying risk management frameworks and ensuring compliance with DoD and NIST standards. Work collaboratively with teams to maint...

Drive the design and implementation of an integrated intelligence layer, enhancing operations through AI and strategic platform development across engineering, manufacturing, and business functions...

Elevate IT service delivery through innovation and automation. In this senior role, you will resolve complex escalations, mentor analysts, and collaborate cross-functionally to enhance efficiencies an...

Drive our new IT implementation strategy by managing integrations and optimizing processes for dental practices, ensuring quality and efficiency as you collaborate cross-functionally and develop suppo...

Accelerate progress at the intersection of software engineering and data science. Leverage your backend expertise, working closely with data scientists on robust API development and production systems...

Join a team that's shaping the future of data center infrastructure. Drive innovative designs and collaborate cross-functionally to deliver reliable and scalable network solutions that support global...

Drive organizational cybersecurity by enhancing security governance, managing risks, and ensuring compliance. Collaborate with internal teams and external partners to elevate security practices and de...

Champion warehouse efficiency by leading a dynamic team, overseeing operations, and implementing lean improvements to enhance productivity and ensure safety in a high-volume distribution center...

Unlock potential by providing top-tier technology support, ensuring seamless operations and high customer satisfaction through expert assistance with hardware, software, and infrastructure. Collaborat...

Optimize IT operations by leading a skilled team to ensure infrastructure reliability, security, and superior service delivery while managing projects, incidents, and compliance with industry standard...

Champion a culture of growth by leading and mentoring support engineers while ensuring client satisfaction and operational goals are met through effective project management and engagement strategies...

Empower a global SRE function supporting a SaaS platform in Government. Contribute to reliability, observability, and incident response within a collaborative engineering team while honing your skills...

Join us as a Program Manager to drive cross-program coordination and enhance customer engagement in federal supply chain initiatives. Leverage your expertise to foster relationships and oversee projec...

Shape the future of GTM operations by leading Salesforce implementations and AI strategy. Collaborate with teams to optimize processes, design scalable systems, and measure outcomes, driving efficienc...

Provide comprehensive IT systems administration within a dynamic environment, troubleshooting complex issues and ensuring operational integrity. Collaborate effectively with teams to support system ma...

Shape compliance initiatives by leading SOC reporting and risk assessments, ensuring alignment with regulatory standards. Collaborate with teams across the organization to manage vendor risks and enha...

Drive your career with this technical sales role, focusing on advanced digital system solutions. Engage directly with customers to deliver value through electrical power solutions and enhance IoT capa...