Public-safe short résumé

Jay Phillips
Infrastructure Engineer.

Senior Systems Administrator with 20+ years of IT experience and 10+ years supporting enterprise infrastructure across healthcare, financial, government, commercial, and military environments.

Professional summary

Infrastructure-focused Senior Systems Administrator with expertise in VMware, Windows Server, Linux, PowerShell automation, Kubernetes, Terraform, Ansible, GitOps, networking, and enterprise platform operations. Proven success supporting large-scale environments while improving automation, standardization, reliability, and operational visibility.

Professional experience

Trinity Health — System Administrator

January 2024 – Present
  • Support infrastructure consisting of approximately 17,000 physical and virtual servers in a multi-site healthcare environment.
  • Maintain Windows Server and VMware platforms supporting critical healthcare applications and infrastructure services.
  • Perform provisioning, upgrades, migrations, troubleshooting, and decommissioning across the server lifecycle.
  • Develop PowerShell automation to reduce manual work and improve consistency.

Trinity Health / Saint Joseph Regional Medical Center — Senior Client Technologies Analyst / System Administrator

March 2021 – December 2023
  • Supported approximately 300 physical and virtual servers.
  • Administered VMware infrastructure supporting critical healthcare operations.
  • Installed and maintained server hardware, operating systems, datacenter deployments, and enterprise applications.

Progressive infrastructure and technical roles

2000 – 2021

Systems Engineer, Systems Administrator, Junior Network Engineer, Desktop/Network Analyst, IT Contractor, healthcare support analyst, and U.S. Army Signal Support Systems Specialist.

Selected technical projects

Enterprise infrastructure home lab

  • Expanded a Kubernetes cluster to six nodes with three control planes, three workers, kube-vip, and Argo CD GitOps; documented successful API and ingress failover tests.
  • Implemented Prometheus, Grafana, Loki, Alertmanager, Uptime Kuma, and Zabbix monitoring.
  • Designed segmented VLAN networks behind pfSense, whose WAN is a member of the separate home network.
  • Deployed Longhorn storage, certificate automation, ingress, sealed secrets, backups, NetBox, phpIPAM, and multiple self-hosted workloads.
  • Verified Ubuntu and Rocky Linux Hyper-V provisioning with PowerShell and cloud-init; developing a C# provisioning interface.

Microsoft platform engineering

  • Built a SharePoint Server Subscription Edition farm with SSL, MySites, managed metadata, user profiles, and SQL storage design.
  • Developed SCCM PXE and task-sequence workflows for Windows Server deployment and in-place upgrades.
  • Created reusable PowerShell automation for Active Directory, server lifecycle, prerequisite installation, reporting, and remediation.
  • Built a three-host Windows Server 2025 Hyper-V cluster and rebuilt the internal root/issuing CA hierarchy.
  • Installed Exchange Server SE, moved the user mailbox, and restored ECP access with PKI-backed HTTPS.
  • Published version-controlled infrastructure procedures and recovery playbooks into BookStack.

Education & certifications

Education

Master of Information Systems
University of Phoenix, 2026
Dean’s List · Epsilon Pi Tau Honor Society

Bachelor of Science in Information Technology
University of Phoenix, 2017
National Society of Collegiate Scholars

Certifications

Microsoft Azure Fundamentals (AZ-900)
Microsoft Certified Professional
MCSA: Windows Server 2008
MCITP: Enterprise Administrator