Network Administrator Jobs in Chicago, IL

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...

Champion the administration and optimization of Linux systems vital to eBusiness operations. Leverage your expertise in shell scripting and enterprise applications to ensure seamless data interchange...

Lead the charge in designing and managing Active Directory environments, ensuring seamless user account management, security compliance, and integration with systems while mentoring junior staff and s...

Unlock potential by managing and optimizing enterprise infrastructure, supporting both cloud and on-premises systems, with a focus on high availability and security. Collaborate closely with key stake...

Grow your career with us as you oversee and maintain IT infrastructure, ensuring optimal performance across servers, networks, and cloud systems. In this hands-on role, you will troubleshoot issues, i...

Transform network systems and improve IT infrastructure; analyze, install, and maintain servers while ensuring optimal performance. Collaborate with stakeholders to implement solutions with a strong f...

Lead enterprise systems and network administration, ensuring secure and reliable operations for critical IT infrastructures while heading outage response and compliance initiatives for a complex Depar...

Manage and optimize a complex Windows Server environment and Active Directory infrastructure. Lead advanced troubleshooting, system design, and automation initiatives while ensuring security and relia...

Lead the charge in endpoint management, ensuring compliance and seamless device lifecycle for a dynamic IT environment. Play a key role in automating processes, troubleshooting issues, and collaborati...

Join a dynamic team as you maintain and secure both on-premises and cloud infrastructures. Your role includes supporting operating systems, managing applications, and ensuring system integrity while c...

Collaborate with us to enhance operational server support, championing incident, change, and problem management. Take part in 24/7 on-call administration across multi-platform environments including W...

Empower your career by designing and managing cutting-edge data center networks, ensuring maximum reliability and scalability through innovative solutions across a global team environment...

Join a team that's focused on elevating enterprise Linux environments through automation, CI/CD development, and system administration while ensuring security and operational stability across all plat...

Advance security measures in a dynamic environment! You'll manage IT security applications, collaborate with teams to enhance procedures, and protect our systems from evolving threats to ensure busine...

Champion IT security for a dynamic enterprise! Drive protection, manage applications, and collaborate on innovative strategies to safeguard systems and strengthen resilience against emerging threats...

Protect enterprise systems by architecting essential security protocols, managing applications, and collaborating across teams to bolster our defense against evolving cyber threats. Drive effective co...

Elevate IT efficiency by managing server operations, database performance, and integrations. Ensure security, and maintain critical systems while collaborating on projects that enhance user experience...

Join a dynamic team to manage secure network and application environments, providing executive-level reporting and developing tools for operational efficiency while ensuring compliance with federal st...

Collaborate closely with the Director of IT to enhance systems and cloud operations while ensuring data governance, security, and continuity of IT services across Microsoft 365, Azure, and data platfo...

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...

Transform network systems by monitoring, maintaining, and upgrading infrastructures. Collaborate with technical teams to resolve issues, enhance security, and ensure optimal performance. Utilize advan...

Engage in the administration of Linux and cloud systems, ensuring optimal performance and reliability for critical applications. Collaborate with teams to enhance system security, streamline operation...

Drive the design and management of cutting-edge network infrastructure, ensuring optimal performance and reliability in fast-paced trading environments while collaborating effectively across teams...

Engineer high-performance trading network solutions, ensuring low latency and reliability. Collaborate with teams on innovative tech, mentor junior staff, and support network operations. Drive efficie...

Optimize complex network infrastructures as a Network Engineer, leveraging your CCNP expertise and customer engagement skills. Play a vital role in a fast-paced environment, contributing solutions tha...