Systems Administrator Jobs in Chicago, IL

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

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 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...

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...

Drive operational efficiency by streamlining workflows and automating systems. Contribute to a centralized team optimizing enterprise applications to enhance productivity and reduce operational overhe...

Transform IT services by managing Windows/Linux systems, administering Active Directory, and ensuring network security. Collaborate with teams to enhance application performance and maintain data inte...

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...

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...

Deliver expert administration and management of ClearPath OS2200 systems, ensuring optimal performance and security. Collaborate with teams to enhance services, support integration, and drive continuo...

Support and enhance business applications by managing and resolving issues, performing health checks, and providing user training while ensuring optimal system performance and user satisfaction...

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...

Engage in the management and maintenance of Red Hat Linux and VMware environments to support critical applications. Collaborate with a team to ensure high availability and performance while implementi...

Drive the maintenance and optimization of server environments across on-premises and cloud infrastructures, ensuring availability, security, and performance for critical applications in a collaborativ...

Optimize our ServiceNow platform to enhance efficiency and reliability. Play a key role in troubleshooting and improving service delivery across our organization, utilizing your expertise in system ad...

Grow your career by managing and optimizing our ServiceNow platform, enhancing service delivery, and providing technical support. Collaborate with teams to streamline processes and monitor performance...

Play a key role in optimizing and supporting our ServiceNow platform, ensuring efficient service delivery and enhancing user experience across the organization, while tackling technical challenges and...

Advance your career by optimizing and supporting our ServiceNow platform. Collaborate across teams to provide technical solutions, enhance user experience, and ensure system efficiency. Join us in del...

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...

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...

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...

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...

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...