Gilbert S. Pegues

System Administrator II | Web Infrastructure Specialist
951-251-5413
Perris, CA

Objective

Seasoned IT Systems Administrator with 12+ years of enterprise M365, cloud infrastructure, and security experience in a Government Community Cloud (GCC) environment. Seeking to leverage deep expertise in Exchange Online, Cloudflare WAF, SharePoint governance, Power Platform, and AI-integrated tools to drive technical leadership and organizational improvement at scale.

Core Competencies

Web Infrastructure

  • IIS Configuration & Management
  • DNS Management (Infoblox)
  • Kemp LoadMaster (L4/L7)
  • Cerberus SFTP Administration

Security & WAF

  • Cloudflare WAF (Enterprise)
  • SSL/TLS & PKI Automation
  • Reverse Proxy Architecture
  • Geo-blocking & DDoS Protection

Cloud & Collaboration

  • Microsoft 365 GCC Administration
  • Exchange Online & Hybrid
  • SharePoint Online Governance
  • Power Platform & Copilot Studio

Automation & Compliance

  • PowerShell & Microsoft Graph API
  • Microsoft Purview & eDiscovery
  • GitHub Version Control
  • ServiceNow Integration

Professional Experience

System Administrator II
County of Riverside (RCIT) - Riverside, CA
June 2013 - Present
Web Administration
  • Build, maintain, and migrate IIS websites with advanced redirect configurations
  • Manage DNS changes and Kemp load balancer rules for traffic optimization
  • Configure virtual directories, assign local IPs, and install supporting services
  • Maintain enterprise server health including backups and restores
  • Manage 300+ domains through GoDaddy registrar
Security & Infrastructure
  • Led enterprise migration of 180+ web proxies from Sucuri to Cloudflare WAF across 75+ county domains, establishing zone provisioning standards and onboarding procedures — completed on time with no major incidents
  • Manage Cloudflare Enterprise portfolio including WAF rulesets, OWASP scoring, geo-blocking, DCV delegation, Cloudflare Workers, and redirect rules supporting the rivco.org to rivco.gov domain migration
  • Pioneered SSL/TLS certificate automation using Certify the Web with DNS-01 challenge via Infoblox API across 100+ servers — solution adopted by multiple county departments including ACR and CREST
  • Serve as SME for Kemp LoadMaster providing Layer 4/7 load balancing, SSL termination, and reverse proxy architecture — consulted by Network and Development teams for complex traffic routing solutions
  • Manage IP/URL whitelisting, blacklisting, and geo-fencing policies; monitor website health and throughput via Kemp 360 Central
Microsoft 365 & Cloud Services
  • Administer Exchange Online in hybrid environment managing mail flow, transport rules, litigation holds, and full mailbox lifecycle for thousands of county users across rivco.org and rivco.gov domains
  • Govern SharePoint Online tenant including sharing policies, external access controls, dynamic group permissions, sensitivity labels, and site lifecycle monitoring via SharePoint Advanced Management and Power BI
  • Architect and deploy Power Platform solutions including Power Automate flows and Copilot Studio agents integrated with enterprise systems — built ServiceNow integration in GCC using Power Automate HTTP connector to enable user-contextualized ticket data, deployed org-wide via Microsoft Teams
  • Conduct eDiscovery investigations using Microsoft Purview including custodian management, KQL query construction, hold policies, and export delivery for legal and Public Records Act requests
  • Provision and manage Microsoft Teams Rooms (MTR) including UPN conflict resolution and bulk calendar migration via Microsoft Graph API
  • Automate M365 administration using PowerShell and Microsoft Graph API for license reporting, mailbox auditing, permissions management, and group lifecycle tasks
  • Deploy and configure Microsoft Intune policies for endpoint management and OneDrive synchronization
FTP & File Management
  • Provision and manage Cerberus FTP accounts through DMZ and Active Directory
  • Configure security groups for RUHS and agency directory access
  • Manage load balancing and file replication across redundant servers
  • Coordinate production web server uploads for DNN, Drupal, and Tomcat farms
Network Administrator
County of Riverside (RCIT) - Riverside, CA
July 2012 - June 2013
Network Administrator
County of Riverside (TLMA) - Riverside, CA
June 2003 - June 2012
User Technician
County of Riverside (TLMA) - Riverside, CA
April 2000 - May 2003
Computer Technician
County of San Diego (Public Defender) - San Diego, CA
April 1998 - June 2000

Education

Certificate in Networking
Coleman College - La Mesa, CA
1998
AA in Journalism
San Diego Community College - San Diego, CA
1995

Certifications

A+ Certification Certified GroupWise Network Admin Certified Novell Administrator Microsoft Certified Administrator (Exchange) Network Admin - Coleman College

Accomplishments

🏆 Employee of the Month — July 2015
🏆 Led enterprise migration of 180+ web proxies from Sucuri to Cloudflare WAF across 75+ county domains — coordinated across Network, Development, and Project Management teams, completed on time with zero major incidents
🏆 Architected Microsoft Copilot Studio integration with ServiceNow in GCC — rearchitected solution from native connector to Power Automate HTTP flow to enable user-contextualized ticket data, deployed org-wide via Microsoft Teams
🏆 Pioneered SSL/TLS certificate automation using Certify the Web with DNS-01 challenge via Infoblox API across 100+ servers — solution independently adopted by multiple county departments including ACR and CREST
🏆 Built standalone PRA eDiscovery Query Builder tool for Microsoft Purview Content Search, streamlining Public Records Act fulfillment workflows for the county ISO team
🏆 Provisioned Microsoft Teams Rooms (MTR) for COUNSEL department — resolved UPN conflicts and migrated 1,624+ calendar events via Microsoft Graph API
🏆 Served as primary technical architect for Riverside County's Cloudflare Enterprise implementation covering 76+ domains — established zone provisioning standards, WAF policy baselines, and DCV delegation procedures adopted org-wide