IT Systems Administrator Jobs in Tustin, CA

Unlock potential by leading cybersecurity risk assessments, ensuring effective controls, and driving remediation strategies across enterprise environments in a collaborative team setting. Your experti...

Lead the development of innovative software systems that enhance R&D effectiveness. Create tools for data collection, processing, and reporting while collaborating with engineers to optimize workflows...

Lead the charge in managing a diverse IS Security team while overseeing cybersecurity programs, ensuring compliance, and implementing innovative security solutions across extensive enterprise networks...

Elevate technology operations by leading cross-functional teams to enhance quality, drive process improvements, and manage incidents. Collaborate with engineering and product management to ensure seam...

Unlock your potential by supporting enterprise SAN infrastructure, ensuring reliable and secure network operations. Collaborate with teams for 24/7 monitoring, incident management, and performance opt...

Grow your career with a dynamic team dedicated to transforming the AEC sector through innovative geospatial technology. Leverage your expertise to build relationships, drive customer success, and impl...

Lead the development and execution of innovative DevSecOps strategies, optimizing secure automated solutions for Air Force IT systems while collaborating with cross-functional Agile teams to ensure hi...

Accelerate your career as you drive innovative cloud-native solutions and scalable full-stack applications. Collaborate with clients and tech teams to enhance capabilities and solve complex challenges...

Join a team that's passionate about enhancing AEC solutions through geospatial technology. Collaborate to drive strategies, build relationships, and optimize client engagement while fostering growth a...

Unlock your potential by leading enterprise-wide IAM operations and governance. Drive strategic initiatives and enhance security outcomes while ensuring compliance in a dynamic financial services envi...

Join a dynamic team driving innovative cloud storage solutions. Lead engineering efforts to design and maintain high-performance storage services globally, ensuring reliability and scalability for div...

Lead the development of comprehensive cybersecurity strategies while managing risks and promoting awareness. Ensure compliance with DoD standards and enhance security initiatives across a large-scale...

Transform enterprise financial operations by designing and implementing AI/ML capabilities within a major Oracle ERP system, enhancing efficiency and user experience while driving continuous improveme...

Help us build secure and scalable cloud and on-premises infrastructures while managing Windows and Linux environments. Enhance operational efficiency through IaC practices and improve system reliabili...

Lead IT Service Management and IT PMO initiatives, ensuring reliable IT delivery and governance. Drive operational excellence, establish metrics, and collaborate across teams to support regulatory com...

Manage configuration management processes to ensure compliance and traceability across Air Force IT systems. Collaborate with cross-functional teams to maintain documentation, support CI/CD pipelines...

Unlock your potential as an Instrument and Controls Technician. Lead the commissioning and startup of renewable natural gas and landfill gas-to-energy plants through hands-on technical support, collab...

Architect secure integrations between IAM and enterprise systems, enabling identity verification, automated service management, and monitoring for millions. The ideal candidate thrives in mission-driv...

Champion network security by designing and implementing solutions that protect vital infrastructure, troubleshoot complex issues, and support public cloud environments, ensuring robust security measur...

Serve as a technical leader in enterprise network design and management, ensuring secure integration of healthcare IT systems across multiple facilities while promoting compliance, reliability, and op...

Grow and manage business development initiatives focused on enterprise IT modernization in the Intelligence Community. This role involves strategic planning, customer engagement, and capturing new opp...

Lead a dynamic team to optimize shared cloud infrastructure across Azure and AWS. Drive the evolution of application architecture, ensuring reliability and scalability while collaborating with various...

Empower impactful go-to-market strategies and product positioning, collaborating with cross-functional teams to drive successful product launches in dynamic B2B SaaS environments...

Innovate and execute comprehensive event strategies, managing flagship conferences and internal gatherings with operational precision. Drive attendee engagement and brand loyalty through high-impact e...

Join a team that provides crucial IT support, troubleshooting hardware and software issues while ensuring data security and compliance. Collaborate with engineers and end-users to deliver exceptional...