UNIX System Administrator Jobs in Chicago, IL

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...

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

Unlock potential by providing senior technical leadership for Air Force IT systems. Manage infrastructure, coordinate delivery teams, and enhance system capabilities while ensuring operational stabili...

Join a dynamic team to empower IT service management through effective user account management, platform administration, and continuous improvement initiatives, ensuring operational excellence and enh...

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...

Join a team that's committed to enhancing infrastructure through deployment, configuration, and support of Windows systems, collaborating across departments in a fast-paced trading environment with st...

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...

Unlock your potential as you engage with Linux systems, automate infrastructure tasks through Python and Bash, and collaborate with a dynamic team focused on innovative open-source solutions and profe...

Shape a secure, reliable network as you lead Azure and on-premise operations. Partner across teams to modernize infrastructures and enhance performance, security, and scalability while fostering a cul...

Innovate and enhance enterprise server infrastructure by designing, implementing, and maintaining secure systems. Collaborate with stakeholders to improve efficiency and reliability while supporting b...

Explore a dynamic role managing engineering software and infrastructure, balancing hands-on administration with cloud and on-premises support to optimize performance and resource utilization in critic...

Lead the charge in safeguarding enterprise systems by managing security controls, enhancing resilience, and mitigating threats in a dynamic IT environment while collaborating with cross-functional tea...

Collaborate with teams to enhance IT security measures, protecting company systems from evolving threats while managing applications in a dynamic corporate environment...

Transform security operations and drive resilience for a dynamic enterprise. Manage IT security systems and collaborate with teams to enhance security measures and protect against evolving cyber threa...

Join a team that's focused on providing operational support for a federal application, liaising with users and technical teams, and ensuring seamless application administration while managing stakehol...

Accelerate progress at our IT M&A Team by driving complex data migrations. You will take ownership of projects from planning to post-support, leveraging your expertise in data management technologies...

Manage and optimize IT infrastructure through system administration, enhancing performance and user satisfaction. Collaborate on projects, ensuring operational readiness and support across diverse tec...

Drive IT security excellence by managing controls and resilience strategies. Collaborate with teams to enhance security procedures, communicate effectively across departments, and strengthen our defen...

Join a team that's committed to enhancing our IT security posture by implementing robust security protocols, managing risks, and ensuring operational resilience while collaborating with diverse busine...

Manage IT security applications to bolster risk management and operational resilience. Collaborate across teams to enhance security protocols and contribute to threat operations, ensuring effective co...

Elevate IT security operations by managing controls, enhancing procedures, and safeguarding against threats. Collaborate across teams to bolster resilience and ensure solid security practices, protect...

Pioneer the evolution of finance technology by leading NetSuite ERP implementation. Collaborate with Finance, Operations, and IT teams to optimize processes, support users, and ensure robust systems p...

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...

Join a team that's shaping the future of customer engagement through innovative backend solutions, collaborating across departments to deliver impactful marketing communications and real-time messagin...

Shape the future of IT operations by administering and optimizing Windows, Linux, and cloud infrastructure. Collaborate across departments to enhance technical solutions, ensuring secure and efficient...