IT Infrastructure Administrator Jobs in San Marcos, CA

Elevate server performance by designing, implementing, and maintaining secure, enterprise-level server infrastructure, leveraging virtualization, automation tools, and best practices for efficiency an...

Champion technology infrastructure improvement by providing critical support for systems, ensuring reliability and performance. Collaborate with teams and vendors while managing projects, change contr...

Shape the future of IT service delivery by ensuring security, stability, and efficiency in network and systems management while collaborating with cross-functional teams to support mission-critical op...

Lead and inspire a high-performing team focused on securing cloud infrastructure and modern application delivery. Drive enhancements in security architecture while advancing team skills in a collabora...

Shape the future of enterprise network operations, security, and infrastructure while managing and sustaining an integrated IT environment with a focus on routing, switching, and network security tech...

Join a team dedicated to operating and maintaining critical Navy systems, providing system administration support, managing user accounts, and ensuring compliance while enhancing system reliability ac...

Join a team that ensures secure, compliant IT operations for mission-critical services. As a System Administrator, you'll manage server environments, support cybersecurity protocols, and collaborate w...

Empower operations as a System Administrator for MODES III, managing AWS and on-prem cloud systems. Ensure system security, availability, and performance while collaborating with DevOps teams to suppo...

Join a dynamic team as an Infrastructure Systems Administrator, overseeing network and telecom systems. Ensure optimal performance through configuration, monitoring, and troubleshooting, while support...

Transform cloud operations by overseeing Microsoft 365, Azure, and SaaS applications, ensuring security, compliance, and optimal performance in a dynamic environment. Collaborate across teams to drive...

Lead mission-critical systems support as a TAK Operations Specialist. Ensure seamless deployments, maintain system reliability, and enhance operational decision-making through expert administration an...

Take ownership of DLA's Okta environments, ensuring stable operation through planning, development, and optimization. Engage in end user support, conduct training, and guide on technology direction to...

Transform the healthcare infrastructure for Veterans by leading modernization initiatives. Collaborate with diverse teams to design secure, scalable solutions and ensure compliance with federal standa...

Drive operational excellence as a senior Linux systems administrator, optimizing and managing medical imaging systems. Collaborate with teams to enhance resilience, automate processes, and ensure reli...

Transform the future of AI infrastructure by enabling seamless onboarding for customers. Collaborate with teams to enhance our product's capabilities and shift from bespoke solutions to scalable, auto...

Optimize your career as a Workday Application Administrator, collaborating with cross-functional teams to enhance system performance and implement scalable HR solutions that align with business object...

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...

Elevate our internal IT and operations by ensuring seamless tech functionality and seamless office environments, enabling our engineering teams to perform at their best in a dynamic, fast-paced settin...

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...

The Systems Administrator will integrate, install, and maintain Agile Core Services (ACS) within the OPE AWS environment, supporting Command and Control capabilities for the Naval Operational Architec...

Drive the design and management of VMware infrastructure to optimize performance and reliability of virtualized systems while supporting enterprise IT solutions for U.S. Navy missions. Apply technical...

Elevate your career by designing and managing high-performance VMware infrastructures, delivering cutting-edge IT solutions for critical missions in a collaborative, fast-paced environment with a focu...

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...

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 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...