Chris Gillett

Senior Systems Engineer

Paramount, California
chris.gillett@cgillett.com | cgillett.com

Profile

Systems and infrastructure engineer with an IT career dating to 1998. Experience across Windows Server, Active Directory, cloud infrastructure, virtualization, networking, storage, and automation. Technical and project leadership for enterprise migrations, acquired-company integrations, and infrastructure upgrades.

Selected project delivery

Four acquired-company integrations: Technical project lead at Optum through York Solutions, coordinating infrastructure work, identity handoffs, task delegation, and resources.
5,000-user Exchange migration: Project and technical lead for an on-premises Exchange to Exchange Online migration.
2,000-user Horizon upgrade: Technical lead for infrastructure hardware, software, and virtual desktop upgrades.
1,500+ endpoint Windows migration: Client migration from Windows 7, 8, and 10 to Windows 11 using Intune and SCCM PXE.
500-user integration: Integrated an acquired firm’s users and desktops into an existing VMware Horizon environment.

Selected experience

York Solutions / Optum, UnitedHealth Group

Senior Infrastructure Engineer | April–October 2026

Led four completed acquired-company integrations. Planned and delegated tasks, obtained resources, and coordinated technical and business teams across cloud, virtualization, directory services, storage, and networking. Managed identity handoffs for HR-approved users into Active Directory and Entra ID.

Robert Half / Long Beach & Redondo Beach school districts

Systems engineering engagements

Windows Server, Active Directory, VMware, Entra ID, DFS, Azure migration work, and endpoint modernization. Selected and implemented centralized logging at Long Beach USD. Improved the inherited logging environment and tested backup recovery at Redondo Beach. Worked with Graylog, Loki, Promtail, Grafana, and F5 infrastructure.

CG Solutions

Independent consulting and contracting | April 2020–November 2024

Client work spanning infrastructure migrations, virtual desktops, Windows endpoint deployments, and automation.

Technical skills

Systems and identity: Windows Server, Active Directory, Entra ID, Linux, Microsoft 365
Cloud and virtualization: Azure, AWS, VMware, VMware Horizon, Proxmox
Automation and delivery: PowerShell, Terraform, Ansible, GitHub Actions, Docker
Networking and data: Networking, F5, storage, ZFS, Samba, backup and recovery