Summary
Overview
Work History
Education
Skills
Key Qualifications
Timeline
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Marvin Glenn Gregory Jr

Nashville,TN

Summary

Versatile and driven professional with a strong background in customer engagement, technical support, and service sales across retail, military, and electric vehicle industries. Six years of hands-on experience managing client needs, resolving technical challenges, and supporting high-performance teams. Proven track record in individual account support across fast-paced environments, including T-Mobile and ABB electric mobility services. Current Tennessee notary public with a passion for helping customers navigate technology solutions and improve operational efficiency across diverse service environments.

Overview

2026
2026
years of professional experience

Work History

EV Charger Support Engineer

ABB
- Current
  • Serve as technical liaison for electric mobility services, supporting clients through installation, commissioning, and troubleshooting of EV charging systems.
  • Interface with service teams and customers to resolve technical and operational concerns efficiently.
  • Support backend system integration using OCPP protocols to ensure charger reliability and performance.
  • Develop onboarding materials and assist with end-user and technician guidance for EV product use and service delivery.

Mobile Expert

T-Mobile
02.2019 - 01.2022
  • Delivered exceptional customer service in both retail and repair settings, consistently exceeding sales goals.
  • Managed individual accounts, tailoring wireless solutions to meet customer needs and ensuring satisfaction.
  • Provided technical product support for mobile devices, service plans, and accessories.
  • Promoted due to strong client retention and success in resolving service-related escalations.

Engineer Specialist / Security Manager

U.S. Army
03.2012 - 06.2018
  • Participated in missions involving construction, infrastructure projects, and emergency response operations.
  • Operated and maintained heavy equipment for engineering tasks.
  • Oversaw physical and personnel security while supporting logistics and intelligence operations.

Education

B.A. - History

University of Memphis
01.2024

Technical Rescue Training -

Florida State Fire College
01.2013

High School -

McComb High School
McComb, MS
01.2012

Skills

  • Tennessee notary public
  • Account Management
  • Service Support
  • EV Infrastructure Support
  • Charger commissioning
  • OCPP backend
  • Retail Sales
  • Technical Sales
  • Customer Experience
  • Customer Satisfaction
  • Microsoft Office Suite
  • CRM Tools
  • Service Documentation
  • Team Support
  • Field Training

Key Qualifications

  • Tennessee notary public (active)
  • Account Management & Service Support
  • EV Infrastructure Support (including charger commissioning & OCPP backend)
  • Retail & Technical Sales Experience
  • Customer Experience & Satisfaction
  • Microsoft Office Suite Proficiency
  • CRM Tools and Service Documentation
  • Team Support & Field Training

Timeline

Mobile Expert

T-Mobile
02.2019 - 01.2022

Engineer Specialist / Security Manager

U.S. Army
03.2012 - 06.2018

Technical Rescue Training -

Florida State Fire College

High School -

McComb High School

EV Charger Support Engineer

ABB
- Current

B.A. - History

University of Memphis