IT Infrastructure Administrator Jobs in Chicago, IL

Lead the charge in delivering enterprise IT infrastructure initiatives, focusing on cloud, network, and security. Collaborate with cross-functional teams to optimize performance and ensure alignment w...

Transform IT efficiency as a crucial member of the Infrastructure team. Lead the administration and automation of Microsoft cloud services, enhance security protocols, and support operational improvem...

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

Lead security initiatives to safeguard IT operations and enhance resilience. Collaborate with teams to implement effective security measures and manage applications, delivering a robust defense agains...

Shape the future of IT security by managing systems to strengthen resilience and protect against evolving threats. Collaborate with teams to design robust security practices while driving seamless ope...

Protect systems for a dynamic enterprise! Join our IT security team to manage controls, enhance resilience, and combat evolving threats while supporting vital business operations and maintaining a str...

Grow your career with a leading role in managing and optimizing Windows Server environments, ensuring reliable performance and security while collaborating with IT teams to improve enterprise operatio...

Manage the implementation and operation of IT systems supporting DOJ's complex litigation needs. Optimize performance and ensure security while leading a team in a fully remote environment dedicated t...

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 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...

Shape a secure, reliable network as you lead Azure and on-premise operations. Partner across teams to modernize infrastructures and enhance performance, security, and scalability while fostering a cul...

Champion a robust Linux environment by managing Ubuntu desktops and Red Hat infrastructure. Provide global support and ensure stable operations for an international user base while implementing securi...

Drive IT security excellence by managing controls and resilience strategies. Collaborate with teams to enhance security procedures, communicate effectively across departments, and strengthen our defen...

Join a team that's committed to enhancing our IT security posture by implementing robust security protocols, managing risks, and ensuring operational resilience while collaborating with diverse busine...

Manage IT security applications to bolster risk management and operational resilience. Collaborate across teams to enhance security protocols and contribute to threat operations, ensuring effective co...

Elevate IT security operations by managing controls, enhancing procedures, and safeguarding against threats. Collaborate across teams to bolster resilience and ensure solid security practices, protect...

Lead the optimization of the ServiceNow platform, driving enhancements and ensuring effective support for business operations while facilitating user engagement and integration strategies for optimal...

Join the team to deliver robust Linux administration and automation solutions. Enhance enterprise environments through CI/CD pipeline development, optimize system performance, and ensure operational s...

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...

Lead the charge in optimizing IT infrastructure, cloud services, and end-user technology. Oversee operations, mentor teams, and enhance security while driving modernization initiatives in a multi-site...

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...

Lead the charge in delivering expert technical support for innovative power and connectivity solutions, enhancing customer satisfaction through troubleshooting and effective communication in a dynamic...

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...