Charles Harston

Charles Harston

Senior Technical Support Engineer (L3/Escalations)

charles.harston@gmail.com | San Diego, CA

Professional Summary

Performance-driven Senior Technical Support Engineer with 25+ years of experience and 10+ years specializing in complex L3 escalations for SaaS, IoT, and mission-critical platforms. Expert in SQL forensics, API integration, and root-cause analysis.

Professional Experience

Senior Technical Support Engineer (TS3)
Lytx | San Diego, CA | 2021 – 2026
  • Final escalation point for global AI-driven video telematics platform, resolving high-priority L3 hardware and network failures.
  • Utilized SQL forensics to identify systemic product defects, reducing friction for R&D teams.
  • Collaborated cross-functionally to reproduce edge cases and verify backend fixes before deployment.
Customer Support Engineer II Lead
SupplyPro | San Diego, CA | 2017 – 2021
  • Directed support for global partners, resolving complex inventory and vending software integrations via data analysis.
  • Maintained 99%+ SLA compliance for high-profile international accounts.
Technical Support Agent II
CareFusion | San Diego, CA | 2010 – 2014
  • Managed high-tier support for Pyxis Connect ecosystem, critical to hospital pharmacy workflows.
  • Resolved complex hardware and database failures for mission-critical medical systems.