Summary
Overview
Work History
Education
Skills
Certification
Interests
Timeline
Generic

Tim Stephens

Avondale

Summary

Accomplished and versatile Network Engineer with extensive experience managing small to large IP networks. My foundation was forged in the military on Cisco Systems, and I thrive in high-pressure outage scenarios, viewing them as prime opportunities to solve complex issues with precision when stakes are highest.

Overview

12
12
years of professional experience
1
1
Certification

Work History

Network Engineer

TB Consulting
08.2019 - Current
  • Intergal part of a team that provides 24/7 maintenance, engineering, and architecture for 1,200+ network devices; supporting 70+ clients. The platforms include Cisco Nexus/Catalyst, Meraki/CDO/MCD, Palo Alto NGFWs, Fortigate FWs, and Cisco SD-WAN platforms, Unifi, SonicWall; that span 207+ disparate customer sites across the North America, APAC, and EMEA regions.
  • I manage and secure multi-cloud environments, configuring and maintaining network components; ACLs, Security Groups, Transit Gateways, Route Tables, VNETs, and VPN tunnels. My expertise extends to leveraging Palo Alto Next-Gen Firewalls and a Hybrid Cisco Multi-Cloud Defense.
  • · Q1/2023 I lead an effort to establish Tier1/2 network support (24/7 NOC) within the organization, to offload initial troubleshooting and root cause analysis (RCA) of network outages and service disruptions. This project was completed while participating in a 24/7 On-Call rotation, operational tasks, and leading several new customer onboardings simultaneously.

Firewall Security Engineer

American Express, Global Business Consulting
10.2016 - 10.2019
  • As a Firewall Security Engineer, I was tasked with managing and monitoring x24 (IDC) FortiGate firewalls, x16 Checkpoint Firewalls, x62 Aruba Wireless Controllers, and a multitude of Nexus and Catalyst devices.
  • Assisted with a enterprise wide project of migrating over 92 sites from a Aruba to a Meraki Wi-Fi Solution
  • Peer-reviewed route/switch/firewall MACDs and collaborated with 3rd party vendors and partners, to implement solutions, solve problems, resolving technical issues. Responsible for the posture and hardening of all network devices.

Army Officer

Arizona National Guard
10.2013 - 10.2019
  • Part time Service Member, while maintaining a full-time technical civilian job.
  • Completed Green-to-Gold Officer training program.
  • Led Radio and Satelite technical teams to complete critical objectives in highly stressful and demanding combat situations.
  • Responsible for $2.3 Million dollars worth of tactical equipment.

Network Architect

Apriva
10.2014 - 10.2016
  • Designed and implemented a vRF structure, OOB management network, and 2FA Remote Access VPN solution for a PCI-DSS governed environment.
  • Member of the organization's Technical Review Board; operating as a Principal Network Engineer in a fast-paced environment.
  • Mentored and coached junior and senior engineers; operated as the point of escalation for all complex network issues.
  • Network lead for an accelerated inter-state data center migration.

Network Consultant

CGI
10.2013 - 10.2014
  • Engineered and maintained a multi-tenant federal cloud data center that included route, switch, firewall, and LTM services. FedRAMP / NIST 800-53.
  • Participated in routine disaster recovery exercises, involving globally dispersed data centers.
  • Participated in a 24/7/365 On-Call rotation.

Education

Officer Candidate School, Army National Guard
Phoenix, AZ
10-2015

Bachelor of Science - Computer Information Systems

Wayland Baptist University
Plainview, Texas
07-2013

Skills

  • Cloud Environments (AWS, GCP, Azure)
  • TCP/IP, SSL, TLS, IPSEC
  • Engineered and Managed Networks governed by compliance frameworks: PCI-DSS, FCC, HIPAA, FIPs environments (compliance)
  • Strong colloborator with (Network Operation Center) and SOC (Security Operations Center) teams
  • Infrastructure Migrations from on-prem to cloud
  • Cybersecurity Best Practices
  • Disaster Recovery
  • Performance Optimization

Certification

CISSP

CCNP R&S

CCNA

Sec+

Interests

Toastmasters

Marathon Runner

Standup Comedy

Reading

Cyber Security Enthusiast

Timeline

Network Engineer

TB Consulting
08.2019 - Current

Firewall Security Engineer

American Express, Global Business Consulting
10.2016 - 10.2019

Network Architect

Apriva
10.2014 - 10.2016

Army Officer

Arizona National Guard
10.2013 - 10.2019

Network Consultant

CGI
10.2013 - 10.2014

Officer Candidate School, Army National Guard

Bachelor of Science - Computer Information Systems

Wayland Baptist University

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