IT Systems Administrator Jobs in Chicago, IL

Oversee daily infrastructure operations, ensuring system reliability, security, and compliance across multiple platforms while optimizing performance and supporting cloud-hosted workloads in a dynamic...

Manage the implementation and operation of IT systems supporting DOJ's complex litigation needs. Optimize performance and ensure security while leading a team in a fully remote environment dedicated t...

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

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...

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...

Join the team to deliver robust Linux administration and automation solutions. Enhance enterprise environments through CI/CD pipeline development, optimize system performance, and ensure operational s...

Transform IT operations by supporting a virtualized Microsoft environment, enhancing system performance, and executing key projects while collaborating across departments for business success...

Champion innovative IT solutions at the DOJ by analyzing requirements, designing systems, and leading technical teams to support complex litigation missions in a fully remote environment...

Grow your career with a leading role in managing and optimizing Windows Server environments, ensuring reliable performance and security while collaborating with IT teams to improve enterprise operatio...

Champion a robust Linux environment by managing Ubuntu desktops and Red Hat infrastructure. Provide global support and ensure stable operations for an international user base while implementing securi...

Contribute to ITOM excellence by managing ServiceNow platforms, ensuring data integrity, and optimizing integrations in compliance with federal standards. Collaborate with teams to enhance system perf...

Elevate system functionality by managing IT applications and enhancing project delivery through collaboration. Utilize your expertise in troubleshooting and maintenance while integrating AI solutions...

Lead the charge in delivering enterprise IT infrastructure initiatives, focusing on cloud, network, and security. Collaborate with cross-functional teams to optimize performance and ensure alignment w...

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...

Empower users by providing hands-on IT support, maintaining systems, and enhancing workflows for onboarding and asset management, ensuring seamless operations and exceptional service for manufacturing...

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...

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 dedicated to enhancing Azure cloud infrastructure while supporting critical applications through innovative engineering practices, collaboration, and operational excellence in a dyn...

Unlock your potential by managing cloud computing security and implementing best practices under the NIST RMF standards. Collaborate with cross-functional teams to enhance Oracle Cloud Infrastructure...

Pioneer the future of litigation support as you manage IT systems for DOJ, optimizing automated resources for complex legal proceedings. Join our remote team to enhance system performance and ensure c...

Join a team that's integral to the DOJ's litigation mission, supporting complex applications as an E-Discovery Application Administrator. This fully remote role demands expert programming skills to en...

Join a team that's redefining mental health care through advanced IT solutions. Oversee technology strategy, implementation, and optimization for critical systems, enhancing operational efficiency and...

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...