Systems Administrator Jobs in Chesterfield, MO

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

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...

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...

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...

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...

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...

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...

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...

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...

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...

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

Elevate your career by managing and supporting IT infrastructure, ensuring optimal performance and security across Windows servers, Azure, ERP systems, and SQL databases. Collaborate on projects while...

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...

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...

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...

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 the charge in IT operations management, overseeing endpoint, systems, and network infrastructure. Collaborate across teams to enhance security and deliver exceptional end-user support in a fast-p...

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...

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...

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...

Lead and inspire a high-performing team focused on securing cloud infrastructure and modern application delivery. Drive enhancements in security architecture while advancing team skills in a collabora...

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...