Linux System Administrator Jobs in Chicago, IL

Administer and optimize the Infor CloudSuite Industrial ERP platform, ensuring system stability and performance across multiple sites while leading enhancement projects and supporting integrations for...

Join a team that's dedicated to ensuring operational reliability across modular and distributed data centers by providing technical leadership, incident management, and mentoring to NOC staff in a fas...

Optimize cloud and on-premises infrastructure management across AWS and Windows. Drive system administration, cybersecurity compliance, and web hosting support to ensure reliable, secure, and scalable...

Discover how you can enhance application security practices across the software development life cycle, partnering with teams to develop strong security measures in a highly regulated environment whil...

Redefine data center operations by overseeing network fleet management at scale. Drive technical readiness, enforce standards with vendors, and conduct operational audits. Collaborate across teams to...

Drive the stability and performance of enterprise systems by managing ServiceNow's ITOM and CMDB. Optimize CMDB data quality through collaboration with cross-functional teams and ensure infrastructure...

Drive secure network operations by managing firewall and VPN systems, ensuring robust protection against cyber threats through expert configuration, monitoring, and incident response. Collaborate with...

Advance your career by building and operating compute services for satellite imaging. Collaborate with engineering teams to enhance reliability, scalability, and availability of our next-gen imaging p...

Lead the optimization and maintenance of AVEVA PI System environments, integrating OT systems and ensuring data reliability, while mentoring junior team members and collaborating across departments on...

Join a team that's crucial in supporting mainframe environments by managing z/OS software installations, upgrades, and configurations. Engage in problem resolution and collaborate on technical project...

Grow your career with a hands-on role supporting data center operations, focusing on Windows Server environments, physical infrastructure, and coordination across technical teams to enhance service de...

Manage the entire deal process for data center acquisitions, engaging stakeholders, negotiating terms, and driving transactions to closure. Handle multiple deals with precision while optimizing commer...

Empower your career by designing, building, and delivering innovative identity management solutions, leading projects, and mentoring engineering talent in a collaborative, remote environment focused o...

Transform your career as a DevOps Technical Lead, driving infrastructure automation and team growth. Lead complex projects with hands-on technical expertise and foster collaboration, all while ensurin...

Transform our Digital Technology infrastructure while leading site operations, ensuring robust support, engagement across teams, and effective delivery of IT services to enhance business efficiency an...

Lead the charge in optimizing customer cloud network systems through expert troubleshooting, configuration management, and comprehensive documentation. Drive incident resolution while ensuring adheren...

Accelerate progress at cutting-edge digital manufacturing by leading integration projects, engaging with stakeholders, and translating needs into actionable solutions while promoting innovation and te...

Elevate our IT capabilities by designing, implementing, and managing robust Microsoft platforms, ensuring optimal performance and security. Collaborate with cross-functional teams to support system in...

Help us improve and scale our platform infrastructure across multiple cloud providers. Collaborate on CI/CD, deployment automation, and security. Your expertise will drive operational efficiency and e...

Build and scale essential IT systems for seamless employee operations. Own endpoint engineering, identity management, and security compliance to drive superior IT functionality and support at all orga...

Transform enterprise observability by unifying metrics, logs, and traces. Lead cutting-edge automation and ensure service reliability across hybrid cloud and Kubernetes environments to elevate operati...

Oversee cloud operations in a FedRAMP environment, ensuring security, reliability, and scalability. Lead the design, building, and management of complex infrastructure projects while optimizing perfor...

Contribute to the efficiency and reliability of critical facility systems, ensuring optimal performance through hands-on maintenance and collaboration with operations and project teams in a dynamic AI...

Lead the design and oversight of an innovative global networking infrastructure, ensuring scalability, high availability, and performance while collaborating with engineering teams to enhance product...

This role is ideal for someone who has worked in an MSP environment and understands how to implement, manage, and scale security policies across multiple client environments...