IT Infrastructure Administrator Jobs in Costa Mesa, CA

Join a high-impact Agile team to enhance mission-critical systems in AWS, ensuring optimal performance and reliability while driving operational excellence across diverse cloud infrastructure and appl...

Join a team that's dedicated to maintaining and enhancing IT infrastructure while supporting a variety of technologies. This entry-level role offers an opportunity to grow across IT domains, focusing...

Join our dynamic team as you tackle IT and operational audits, ensuring compliance and efficiency. Support risk assessments, evaluate controls, and enhance audit strategies across technology and opera...

Join a team that's dedicated to enhancing Azure cloud infrastructure while supporting critical applications through innovative engineering practices, collaboration, and operational excellence in a dyn...

Support SAP Basis services for global enterprise operations, manage complex SAP landscapes, execute migrations and upgrades, and drive continuous improvement initiatives in a collaborative team enviro...

Shape the future of communication by driving cloud infrastructure and sales initiatives, optimizing strategies, and delivering transformative solutions in hybrid environments to enhance business outco...

Optimize the operation and configuration of complex Okta environments, ensuring stability and support while leading a team of system administrators and enhancing end-user technology experiences...

Drive a streamlined endpoint management environment, optimizing Microsoft Intune to enhance security and compliance for corporate and BYOD devices across diverse platforms while collaborating with cro...

Drive the global networking strategy and operations, ensuring seamless connectivity and security across diverse environments. Engage in vendor management, financial oversight, and technical leadership...

Shape the future of our IT landscape by managing operations, optimizing infrastructure, and leading a talented team. Drive strategic improvements while ensuring security and service excellence in a dy...

Champion our systems by optimizing the Power Platform and providing exceptional support across complex environments. Collaborate with teams to enhance functionality, ensure compliance, and drive effic...

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

Contribute to ITOM excellence by managing ServiceNow platforms, ensuring data integrity, and optimizing integrations in compliance with federal standards. Collaborate with teams to enhance system perf...

Accelerate progress at a pivotal role ensuring optimal performance of the ServiceNow platform, handling system upgrades, user management, and complex problem resolution, while collaborating with stake...

Join us in overseeing robust network systems while ensuring security and optimization across LAN/WAN infrastructure. You will diagnose issues, manage performance, and implement solutions, enhancing co...

Join a team that enhances system performance by ensuring the reliability and security of RHEL Linux systems while automating processes with Ansible, contributing to operational efficiency and infrastr...

Innovate solutions to enhance enterprise system availability and security. Lead strategic planning and coordination with IT teams while ensuring compliance with industry regulations, and mentor junior...

Lead the charge in ensuring optimal system performance and reliability by administering enterprise systems, servers, and backup infrastructure, while adhering to IT security policies and service deliv...

Shape the future of edge computing by architecting and managing resilient, secure data infrastructure across 20+ global sites. Collaborate in optimizing storage technologies and enhancing operational...

Transform your career by securing enterprise infrastructures and enhancing CMMC Level 2 compliance. This hands-on role involves managing network security systems and collaborating across departments t...

Unlock potential by designing and automating network solutions to enhance efficiency and streamline provisioning within secure multi-cloud environments, driving modern IT initiatives and DevOps practi...

Join a team that's expanding capabilities by leveraging SAP expertise to oversee technical projects, mentor junior administrators, and streamline solutions. Elevate your career in a dynamic environmen...

Lead large-scale infrastructure modernization projects, driving execution from planning to delivery. Collaborate with cross-functional teams to ensure alignment with mission objectives and manage rela...

Optimize infrastructure modernization initiatives by leading cross-functional teams and delivering scalable solutions in secure environments, ensuring alignment with contract requirements and mission...

Innovate your career by developing and maintaining dynamic SharePoint environments. Provide collaborative support to enhance workforce productivity, ensuring compliance while delivering effective IT s...