UNIX System Administrator Jobs in Chicago, IL

Lead the charge in safeguarding systems by managing IT security controls, collaborating with teams to strengthen resilience, and protecting our business from evolving cybersecurity threats. Grow your...

Join a dynamic team to engineer and optimize high-availability cloud infrastructure, focusing on Linux systems, automation, and configuration management across hybrid environments for robust performan...

Unlock potential by engineering and automating robust Linux infrastructures, ensuring high availability and performance across hybrid environments. Collaborate on cloud operations and configuration ma...

Lead the enhancement and maintenance of high-availability hybrid cloud infrastructure. Utilize your skills in Linux systems, automation with Puppet and Ansible, and OpenStack management to optimize ou...

Drive daily admin and support for collaboration platforms, ensuring optimal functionality of SharePoint and Appian environments while managing user access, migrations, and server systems. Collaborate...

Lead a dynamic Managed Services Engineering Team to enhance customer satisfaction, optimize operations, and drive continuous service improvement while fostering strong relationships with clients and p...

Champion the maintenance and optimization of Oracle databases in AWS, ensuring system integrity and performance. Collaborate with teams to implement solutions, manage configurations, and support compl...

Champion advanced troubleshooting and support in multi-tenant environments, ensuring effective incident resolution and client communication. Collaborate with teams to enhance service delivery while fo...

Join a dynamic team to lead the administration and operations of an enterprise ServiceNow platform, supporting critical functions and ensuring high performance and security in a federal environment. G...

Engineer solutions for complex IT and OT systems, ensuring 24x7 operational support, incident resolution, and system stability. Collaborate across teams, lead incident response, and enhance documentat...

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...

Optimize operational support for a large-scale Linux environment, ensuring seamless integration and automation across on-premise and cloud platforms. Collaborate with teams to troubleshoot issues and...

Oversee enterprise IT platforms, driving automation and integration while ensuring security and compliance. Lead end-to-end technical initiatives, mentor teams, and collaborate across departments to i...

Elevate your career by supporting and enhancing IT security measures. Collaborate across teams to strengthen security protocols, contribute to risk management, and communicate critical security concep...

Contribute to enhancing IT security posture through system support, risk management, and collaboration with teams. Ensure business continuity by developing robust security procedures and executing cyb...

Empower business resilience by securing IT systems and collaborating with teams to enhance security protocols, drive threat management, and communicate effectively, ensuring robust defenses against ev...

Optimize IT security operations by supporting security controls, managing risk, and enhancing resilience. Collaborate with teams to improve security procedures and communicate technical concepts, safe...

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...

Inspire seamless IT operations by managing technology systems, applications, and employee support in a fully remote environment. Drive scalability and security by implementing effective processes and...

Transform your career by leading global PLM initiatives, optimizing product data management, and enhancing enterprise engineering systems while collaborating with cross-functional teams and driving di...

Join our team to manage z/OS systems, ensuring efficient installation and maintenance while delivering critical support to government clients. This role demands strong technical expertise and the abil...

Empower innovation by leading the design and management of global endpoint environments. Collaborate with diverse teams to optimize efficiency, provide expert support, and mentor junior engineers in t...

Transform mission-critical environments as a Senior Splunk Administrator driving cybersecurity, compliance, and operational excellence with advanced Splunk solutions while supporting classified DoD pr...

Unlock potential by leading the optimization and support of IBM i systems. Collaborate with teams to ensure peak performance, security, and reliability while mentoring fellow engineers in a dynamic en...

Join a team that's dedicated to optimizing and supporting IBM i systems. As a Senior Systems Engineer, you'll ensure reliable infrastructure, lead operational improvements, and collaborate with cross...