Written Internet Security Plan (WISP)
Developed the organization's WISP aligned to the NIST framework, strengthening compliance and risk posture.
NISTSecurityPolicy
Sean Holbert
Calm operator. Secure defaults. Automation where it counts. I keep endpoints compliant, networks fast, and incidents boring (in the best way).
Experience
Desktop Services Lead & Assistant Systems Administrator
Jul 2022 — Present
Cornell University — Ithaca, NY
- Provide Tier 3 support and mentor junior desktop staff across departments.
- Lead infrastructure planning & server management (physical/virtual), patching, deployment, vendor coordination.
- Drive cross‑department projects (rollouts, encryption, imaging) aligned with academic/administrative goals.
- Develop and enforce local IT controls for security, compliance, and integrity.
IT Support Specialist
Nov 2017 — Jun 2022
Cornell University — Ithaca, NY
- Delivered frontline support; resolved hardware, software, and access issues.
- Administered AD, SCCM task sequences, and software deployment; led Win10 migration & full disk encryption rollout.
- Created internal documentation and trained users; acted as interim network admin for GPOs, file/print, and VMs.
Regional Systems Administrator
Jun 2009 — Nov 2017
Townsquare Media — Binghamton, NY
- Supported 16 stations across 4 sites; maintained >99.5% uptime.
- Implemented secure, standards‑compliant network/server infrastructure; managed Windows/Apple, telephony, backup.
- Led domain migration, network upgrades, and asset tracking CMS with corporate security compliance.
Projects
Intune Feasibility Study
Participated in a feasibility study to evaluate Intune for Windows endpoint management, defining best-fit processes.
IntuneWindowsEndpoint Management
Home Network Overhaul
Designed a robust, low‑latency home/SOHO network with seamless roaming and guest isolation.
UbiquitiWi‑Fi 6/7AP placement
Professional Development
- Microsoft Azure Fundamentals (AZ-900) Cert Prep: 1 Cloud Concepts March 2023
- Azure Administration Essential Training May 2020
- PowerShell 5 Essential Training December 2019
- Learning PowerShell for Windows Server Administration November 2019
- CrashPlan Certified Administrator April 2019