IT Infrastructure Administrator Jobs in San Antonio, TX

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

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...

Grow your career with a dynamic team that ensures IT infrastructure stability, security, and performance. Manage systems and networks while collaborating with cross-functional teams to tackle technica...

Join our team to manage and optimize Linux/Unix systems, ensuring security and efficiency across our infrastructure. Collaborate with diverse teams to tackle challenges, enhance performance, and maint...

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...

Join a dynamic team as a Network Engineer to optimize and secure network infrastructure, troubleshoot complex issues, and enhance client collaboration in a fully remote environment...

Manage and maintain robust Linux infrastructure, ensuring optimal performance and security. Collaborate with teams for system integration, automation, and scalability enhancements while providing high...

Lead the charge in managing and maintaining complex server environments, ensuring optimal performance and security within classified networks. Collaborate with a skilled team to integrate and deploy a...

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 our team to optimize and maintain enterprise-level Linux systems, focusing on Red Hat and cloud infrastructures. Collaborate with experts to enhance performance and security while supporting nati...

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...

Join a dynamic team as you manage Red Hat Linux systems while providing exceptional service and support. Collaborate on advanced projects, troubleshoot critical systems, and contribute to a secure and...

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...

Join a team that's focused on ensuring network reliability and efficiency. As a Network Systems Administrator, you'll design, implement, and maintain systems while tackling technical challenges and op...

Lead the charge in overseeing MICRO's infrastructure strategy, providing technical direction and daily management across diverse systems, ensuring stability and compliance while driving operational re...

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...

Unlock your potential as a Systems Administrator, providing critical support and administration for network and communication systems while optimizing operations and enhancing user access for mission...

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...

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...

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...

Unlock potential by driving effective management and maintenance of systems and applications. This role requires a technical leader to innovate and resolve issues in a fast-paced environment, supporti...