Linux System Administrator Jobs in Chicago, IL

Analyze and optimize large-scale Linux systems while automating workflows to enhance performance and reliability. Collaborate in a dynamic environment, ensuring stability and efficiency across critica...

Empower growth by enhancing our Linux infrastructure to support seamless operations. Collaborate globally, automate processes, and drive performance to ensure high availability while actively engaging...

Shape the future of enterprise Linux systems by leading design, implementation, and automation efforts while addressing complex challenges, mentoring a talented team, and collaborating for secure, rel...

Oversee the administration of cloud-based IT systems, driving service quality and efficiency while managing escalated support and strategic IT projects for a dynamic organization poised for growth...

Elevate our brokerage platform's reliability by architecting fault-tolerant systems, enhancing observability, and mentoring teams. Shape our reliability culture while ensuring seamless order execution...

Engineer seamless IT solutions to enhance employee productivity through expert support, system optimization, and efficient onboarding/offboarding processes, ensuring a smooth IT experience across the...

Drive our reliability practice as a Senior Site Reliability Engineer, enhancing fault tolerance and scalability in our trading platform. Collaborate across engineering teams to ensure robust observabi...

Join a team that's pushing the boundaries of supercomputing technology, contributing to the development of cutting-edge HPC systems and software while collaborating with top scientific experts and dri...

Optimize enterprise infrastructure by ensuring the reliability, security, and efficiency of Windows and Linux server environments while developing strategies and leading projects to enhance overall op...

Partner with us to advance the HPC environment through software integration, focusing on the design and development of cutting-edge systems and tools while ensuring optimal performance and resource al...

Grow your career with a leading role in Windows systems administration, providing critical support for enterprise Microsoft environments. Engage in advanced troubleshooting, security hardening, and ma...

Elevate your IT support career by delivering top-notch technical assistance. Collaborate with teams to resolve issues, troubleshoot systems, and enhance user experiences in a dynamic, fast-paced envir...

Reimagine IT operations by maintaining and enhancing global technologies. You will administer systems, manage backups, and streamline Active Directory to ensure seamless infrastructure performance acr...

Transform enterprise solutions by overseeing RHEL Linux servers across various global locations. Engage with a multi-disciplinary team to ensure high availability and security of critical services whi...

Engage in the administration and optimization of IT infrastructure, ensuring system reliability, security, and performance. Collaborate with cross-functional teams to enhance operations and provide to...

Drive innovative software solutions by designing, developing, and deploying secure, scalable systems that align with business goals, leveraging expertise in AWS/Azure and the Microsoft Power Platform...

Build seamless collaboration and productivity platforms by automating workflows. Own administration of tools like Jira, Slack, and Zoom, driving process improvements while partnering with IT Systems A...

Optimize technical solutions across Windows, Linux, and VMWare platforms. Collaborate with teams to enhance user experience and deliver automated solutions while ensuring effective troubleshooting and...

Join a team that's driving innovation in multi-cloud infrastructure! As a Senior Linux Systems Engineer, lead the design and maintenance of our expansive object storage solutions across thousands of d...

Empower your career as you provide expert IT support and administration for diverse systems. Take ownership of complex troubleshooting and contribute to innovative solutions in a dynamic team environm...

Drive the development and optimization of enterprise-grade CS technology solutions, leading architecture and integration for Salesforce and dedicated platforms. Collaborate with cross-functional teams...

Engineer, administer, and optimize Azure environments while managing identity and access across Active Directory and Microsoft Entra ID. This critical role ensures secure and compliant cloud systems t...

Join a team that's focused on maintaining and enhancing hybrid infrastructure. You'll manage Windows Server and cloud environments, automate processes, and ensure systems are reliable and efficient, d...

Transform your career as a systems administrator, overseeing M365 services, data architecture, and robust security operations while collaborating with cross-functional teams to deliver efficient IT so...

Bring your expertise to enhance business intelligence and financial modeling. You will customize reports, develop dashboards, and streamline FP&A processes via Anaplan and Oracle applications, ensurin...