Linux System Administrator Jobs in Chicago, IL

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...

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 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...

Empower your career by managing and enhancing automated Linux platforms, focusing on performance, security, and reliability. Collaborate with cross-functional teams to oversee system architectures and...

Join a team that's dedicated to maintaining and enhancing Linux/Unix environments through expertise in administration, troubleshooting, and proactive monitoring. Support critical operations while deve...

Deliver top-tier Linux/Unix systems administration while optimizing performance, troubleshooting complex issues, and ensuring compliance. Take ownership of operational reports and incident resolution...

Support systems administration by monitoring, troubleshooting, and optimizing network performance across development, testing, and production environments while ensuring compliance with operational st...

Take ownership of advanced Linux/Unix systems administration in a 24x7 NOC environment, ensuring reliability, performing troubleshooting, and managing software packages across multiple locations for o...

Engage in advanced Linux/Unix systems administration within a dynamic NOC environment. Manage escalations, conduct troubleshooting, and maintain infrastructure reliability across multiple locations, e...

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...

Join a team that's transforming cloud infrastructure by designing secure, scalable solutions. Leverage your expertise in AWS and Azure while collaborating across teams to optimize performance and ensu...

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 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...

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

Reimagine global IT support by leading the infrastructure management across on-premises and cloud platforms. Drive system performance, ensure compliance, and elevate cross-functional initiatives in a...

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...

Advance technical leadership in Linux service delivery, driving strategic direction, operational excellence, and team development. Collaborate with clients and senior management to enhance performance...

Transform your career by managing and enhancing a robust network and systems infrastructure in a hands-on environment, with a focus on reliability, security, and operational excellence...

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...

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...

Transform the hybrid infrastructure landscape by managing on-premises and cloud systems, automating processes, ensuring security, and driving efficiency across diverse environments...

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...

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...

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

Join a team that's dedicated to robust enterprise patch management. As a Patch Analyst, you'll ensure secure deployments across global data centers while leveraging cutting-edge automation tools like...