IT Systems Administrator Jobs in Phoenix, AZ

Advance critical security measures for DoD projects, ensuring robust IT systems. Collaborate cross-functionally to maintain compliance, conduct audits, and enhance system integrity. Elevate support fo...

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

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...

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...

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...

Join a team that's dedicated to enhancing IT infrastructure and operations. Leverage your expertise in managing cloud services, enterprise networks, and ensuring system security while supporting a col...

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...

Elevate your career by managing and supporting Windows environments in SCADA systems. You'll ensure reliability, security, and performance while collaborating with teams to optimize real-time power op...

Provide architectural expertise to enhance internal IT systems and automate processes. Drive incident resolution and support Tier 2/3 applications while collaborating with stakeholders to maintain sys...

Join a dynamic team as a Network Engineer to optimize and secure network infrastructure, troubleshoot complex issues, and enhance client collaboration in a fully remote environment...

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...

Join a team that's dedicated to bolstering the security of vital Information Systems. You'll drive impactful risk management activities, ensuring adherence to DoD protocols while maintaining an unwave...

Shape the future of our water services by delivering advanced SCADA support. Utilize your expertise in system administration, project management, and security solutions to enhance operational efficien...

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...

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...

Elevate your career by maintaining and optimizing IT infrastructure. Lead cloud integration efforts and enhance system security while providing top-notch support for robust network environments, ensur...

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

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...

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...

Drive the management of complex systems across Windows, Linux, and Azure services, ensuring optimal performance and security while providing 7x24 on-call support in a collaborative team environment...