Summary
Overview
Work History
Education
Skills
Timeline
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Mark DiVelbiss

Westerville

Summary

Excellent communicator who enjoys working with others to produce quality code, tools, and products for internal and external usage.

Overview

2026
2026
years of professional experience

Work History

VOC Administrator

Stellar Innovations & Solutions
2025 - Current
  • Monitored and actively managed VTC calls for senior leaders as part of a white-glove service.
  • Used TMS, CMS, and CMM for conference control and scheduling, ensuring adherence to current STIGs.
  • Installed and troubleshooted VTC endpoints.
  • Create, update, and manage trouble tickets in their ServiceNow Remedy system.

ITOC Help Desk Analyst

CompTech
2024 - 2025
  • Obtained Secret Clearance while working as a contractor for the DLA.
  • Monitored critical applications, escalated issues, provided 24/7 on-call support, and performed security checks.
  • Handled and created tickets in ServiceNow according to our guidelines and to meet SLA standards.

Software Developer and Network Engineer

OARnet
2017 - 2022
  • Coded in C, Python, and JavaScript for ServiceNow, Django, and Unix Shell.
  • Crafted network monitoring and polling tools for data aggregation and analysis.
  • Built internal tools for various departments on request by working closely with the design team and end users.
  • Performed code reviews, debugging, cross-team collaborations, agile methods, and more.

Education

BS in Computer Science And Engineering

The Ohio State University
Columbus, OH
05-2016

CompTIA Security+ SY0-701 Certificate
04-2025

Skills

  • Software Development
  • Debugging & Code Review
  • Networking
  • Cybersecurity
  • ServiceNow Admin
  • Agile Methods
  • Mathematics
  • Project Management

Timeline

VOC Administrator

Stellar Innovations & Solutions
2025 - Current

ITOC Help Desk Analyst

CompTech
2024 - 2025

Software Developer and Network Engineer

OARnet
2017 - 2022

BS in Computer Science And Engineering

The Ohio State University

CompTIA Security+ SY0-701 Certificate

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