IT Systems Administrator Jobs in Saint Louis, MO

Empower our IT landscape as a Systems Administrator, ensuring optimal performance, security, and reliability of our core IT infrastructure across multiple locations while mentoring junior staff and ta...

Elevate your career by overseeing the design and management of robust IT networks and systems. Propel organizational growth with your expertise in cybersecurity, infrastructure management, and user su...

Optimize the operation and configuration of complex Okta environments, ensuring stability and support while leading a team of system administrators and enhancing end-user technology experiences...

Optimize IT operations by providing expert desktop support and management of systems infrastructure for end-users, ensuring high performance and reliability in a dynamic environment...

Champion the administration and optimization of Linux systems vital to eBusiness operations. Leverage your expertise in shell scripting and enterprise applications to ensure seamless data interchange...

Join a team that's focused on elevating enterprise Linux environments through automation, CI/CD development, and system administration while ensuring security and operational stability across all plat...

Shape the future of enterprise network operations, security, and infrastructure while managing and sustaining an integrated IT environment with a focus on routing, switching, and network security tech...

Unlock potential by providing essential support as a System Administrator in a dynamic testing environment. Engage with cross-functional teams to ensure smooth operational flows while managing configu...

Lead cross-functional teams to manage and enhance IT infrastructure, ensuring reliable messaging systems and adhering to security standards while collaborating with diverse stakeholders to solve compl...

Unlock your potential while overseeing network project activations, configurations, and testing in support of critical Defense Information Systems. Collaborate with customers and use expertise to ensu...

Manage and secure computer systems, enhancing IT infrastructure. Collaborate with a growing team to design server solutions, automate processes, and support enterprise applications, ensuring system re...

Take ownership of system administration to enhance and secure IT infrastructure. Design and manage server solutions while mentoring team members and automating processes. Ensure a reliable, high-avail...

Unlock potential by optimizing enterprise software solutions and enhancing the DocuSign CLM platform. Drive efficiency through system integration and support the Defense Logistics Agency in achieving...

Transform complex systems management by independently delivering innovative solutions for hardware and software integration, troubleshooting, and optimal performance within an intelligence community e...

Engage in thorough assessments of financial systems to ensure compliance with federal regulations. Utilize expert knowledge in systems controls and auditing practices to protect sensitive information...

Champion advanced IT infrastructure excellence by managing Windows and Linux environments, overseeing virtualization, and providing escalation support for complex issues while ensuring security and sy...

Unlock potential by designing and managing VMware vSphere environments while implementing disaster recovery solutions. Collaborate in cross-functional teams to enhance capacity and optimize performanc...

Transform your career by supporting Air Force Cyber Vulnerability Assessment operations, ensuring system efficiency and security in a dynamic environment while leading technical support initiatives an...

Optimize enterprise certificate management by mastering PKI/SSL processes, ensuring security compliance, and enhancing system efficiency while providing technical support and navigating industry shift...

Join us to enhance and maintain complex IT network systems, providing expert support for day-to-day operations and troubleshooting, while integrating new technologies and ensuring seamless service tra...

Join a team that's enhancing ServiceNow capabilities by supporting its administration and application development, ensuring operational reliability and efficient service delivery within a collaborativ...

Join a team that's dedicated to maintaining and enhancing Linux/Unix environments through expertise in administration, troubleshooting, and proactive monitoring. Support critical operations while deve...

Deliver top-tier Linux/Unix systems administration while optimizing performance, troubleshooting complex issues, and ensuring compliance. Take ownership of operational reports and incident resolution...

Take ownership of advanced Linux/Unix systems administration in a 24x7 NOC environment, ensuring reliability, performing troubleshooting, and managing software packages across multiple locations for o...

Optimize and maintain enterprise Linux systems and Nutanix HCI environments. Collaborate in cross-functional teams to enhance system reliability and deployment processes. Implement automation, support...