UNIX System Administrator Jobs in Saint Louis, MO

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...

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...

Empower operations as a System Administrator for MODES III, managing AWS and on-prem cloud systems. Ensure system security, availability, and performance while collaborating with DevOps teams to suppo...

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

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 a high-impact Agile team to enhance mission-critical systems in AWS, ensuring optimal performance and reliability while driving operational excellence across diverse cloud infrastructure and appl...

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...

Grow your career by managing and securing AWS infrastructure, ensuring optimal performance and availability for our cross-domain systems. Collaborate with teams to automate tasks and stay updated on b...

Join a team that's dedicated to enhancing Linux infrastructure through planning, implementation, and support while ensuring 24/7 operational excellence with a focus on security and client satisfaction...

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...

Support systems administration by monitoring, troubleshooting, and optimizing network performance across development, testing, and production environments while ensuring compliance with operational st...

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...

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...

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...

Deliver exceptional IT support by managing VMWare and Linux systems while enhancing communication skills and leadership. This remote role offers the opportunity to grow your technical expertise in a c...

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...

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...

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...

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...

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...

Lead and innovate as you drive automation and efficiency in technology solutions. Oversee a talented Engineering team to enhance operational standards and streamline processes, collaborating with stak...

Join a team that's transforming cloud infrastructure by designing secure, scalable solutions. Leverage your expertise in AWS and Azure while collaborating across teams to optimize performance and ensu...

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...