Senior Systems & Applications Administrator

Senior Systems and Applications Administrator Join one of the largest college systems in the country!  This is enterprise-level infrastructure work in a mission-driven environment where your impact is immediate and visible. If you are an experienced cloud and infrastructure professional who thrives in complex environments and wants to lead technical initiatives that matter, this role is an excellent fit. About the Role The Senior Systems and Applications Administrator is a technical leader responsible for the stability, modernization, and performance of cloud and on?prem enterprise infrastructure. This includes ERP platforms and applications that support critical academic and administrative operations across the entire system. You will lead cloud operations, drive infrastructure projects, manage vendor relationships, mentor system administrators, and serve as a key technical escalation point. Key Responsibilities Cloud and Infrastructure Operations Administer and optimize cloud environments (OCI, AWS, Azure) Oversee infrastructure supporting enterprise applications such as PeopleSoft, Dynamic Forms, and QLess Manage certificates, lifecycle tracking, access provisioning, and system availability Coordinate with vendors using SRs, RFCs, and change management processes Technical Project Leadership Lead upgrades, migrations, audits, and infrastructure initiatives Direct SIT, UAT, and disaster recovery testing Manage cross-functional communication and technical execution Incident and Problem Management Analyze complex multi-system issues and root causes Coordinate incident response and technical troubleshooting Produce RCAs and escalate unresolved issues appropriately Maintain clear communication with technical and functional teams Team Leadership Supervise and support system administrators Provide guidance, coaching, and skill development Hold team members accountable for operational excellence Ideal Technical Background 7+ years of enterprise application or infrastructure administration Experience with OCI, AWS, and/or Azure Cloud certifications (AWS, OCI, Azure) Experience managing or supporting Oracle SaaS or PeopleSoft applications Knowledge of PeopleSoft architecture (load balancing, WAF, app/web servers, schedulers, databases) Experience with incident response and enterprise change management Strong understanding of security and cybersecurity best practices Work Details Hybrid role with required onsite days (subject to change) Must live in or relocate to the Phoenix area within six months Occasional after-hours or weekend support Visa sponsorship is not available