Summary
Overview
Work History
Education
Skills
Certification
Timeline
Generic

Isaac Lee

Cherry Hill,NJ

Summary

Experienced Network Engineer in specializing in enterprise network infrastructure, DNS architecture, and automation. Proven track record of implementing strategic network solutions, reducing vulnerabilities, and driving operational efficiency through automation. Expert in BlueCat, Cisco, Juniper, and cloud platforms with strong skills in Python and Ansible scripting.

Overview

7
7
years of professional experience
1
1
Certification

Work History

Network Engineer, Specialist

The Vanguard Group Inc.
12.2024 - Current
  • Established enterprise-wide DNS traffic policy standards across all regions, enhancing security posture and operational consistency on BlueCat Edge platform
  • Identified and remediated critical BlueCat platform vulnerabilities, reducing security risk exposure by implementing comprehensive security patches
  • Authored technical documentation for BlueCat platform architecture, accelerating team onboarding time by 40% and improving troubleshooting efficiency
  • Led DNS infrastructure migration planning to new hosting environment, designing solution for zero-downtime transition
  • Developed and deployed Python automation scripts that reduced manual DNS operations, improving team productivity
  • Created Terraform baseline scripts for BlueCat Azure deployments, standardizing infrastructure as code practices across the organization
  • Provided expert DNS consultation to cross-functional teams, optimizing service utilization and resolving complex technical challenges

Network Engineer, NOC

The Vanguard Group Inc.
03.2022 - 12.2024
  • Resolved network performance issues within SLA by implementing proactive monitoring and trend analysis across enterprise infrastructure
  • Led troubleshooting efforts during major incidents, reducing resolution time through systematic problem identification and resolution
  • Developed Ansible automation scripts for building shutdown procedures, reducing preparation time from 5 hours to 1 hour
  • Provided Tier 3 support for Cisco 9k, DNAC, ISE, Palo Alto, F5, Cisco ACI, Aruba, and Juniper platforms
  • Collaborated with vendors to implement recommended fixes, preventing recurring issues and improving network stability
  • Ensured full compliance with Information Security policies while enabling new operations across Vanguard network

Network Analyst

Computer Aid, Inc
12.2020 - 03.2022
  • Managed multi-vendor network infrastructure supporting 2,000+ users at DeSales University
  • Upgraded Palo Alto Firewall from version 9.1.2 to 10.1.0, improving security capabilities and performance
  • Designed and implemented standardized Juniper EX2300 switch configurations, reducing deployment time of operation
  • Successfully deployed Azure Multi-Factor Authentication, enhancing security for university faculty
  • Led DNS infrastructure replacement project, implementing Infoblox high-availability solution
  • Planned and initiated network core switch replacement with Aruba CX 8320, improving backbone capacity

Network Engineer

Logic Choice Technologies
01.2020 - 03.2020
  • Configured Sophos and SonicWall firewalls and deployed VPNs for remote work during COVID-19.
  • Set up cloud lab environment using VMware vSphere; deployed and managed Windows Server VMs.
  • Centralized IT documentation via IT Glue and integrated Azure AD with multiple platforms.

Managed Services Engineer

Cologix
09.2019 - 01.2020
  • Managed enterprise Cisco ASA firewall infrastructure, implementing high-availability failover configurations
  • Provisioned and configured virtual data centers through VMware vCloud Director for enterprise clients
  • Administered Carbonite EVault backup solutions, maintaining 99% successful backups
  • Collaborated with third-party vendors to resolve hardware issues, preventing service disruptions

Data Center NOC Technician

Cologix
06.2018 - 09.2019
  • Monitored network infrastructure using PRTG Network Monitor, identifying and resolving issues proactively
  • Racked, cabled, and upgraded hardware for Dell, HP, and SuperMicro servers.
  • Created and maintained Standard Operating Procedures for daily maintenance tasks
  • Provided Level 1 and 2 network troubleshooting support on Cisco infrastructure

Education

Bachelor of Science - Information Sciences And Technology

Pennsylvania State University
University Park, PA
05-2020

Skills

  • Networking & Infrastructure: Cisco (Routing/Switching, ASA, ACI, DNAC), Juniper (EX Series, Junos), Aruba, Palo Alto, F5, BlueCat DNS/IPAM
  • Cloud & Virtualization: Microsoft Azure, AWS, VMware vSphere, Terraform
  • Automation & Scripting: Python, Ansible, Terraform, Shell Scripting, Git/GitHub
  • Security: Cisco ISE, Palo Alto Firewalls, Sophos, SonicWall, Network Security Policies
  • Operating Systems: Windows Server 2008-2016, Linux (CentOS, Ubuntu), macOS
  • Monitoring & Tools: PRTG, Infoblox, Kaseya VSA, IT Glue

Certification

  • AWS Certified Solutions Architect Associate (2020)
  • Microsoft Certified: Azure Fundamentals (2023)
  • Microsoft Certified: Azure Administrator Associate (2024)

Timeline

Network Engineer, Specialist

The Vanguard Group Inc.
12.2024 - Current

Network Engineer, NOC

The Vanguard Group Inc.
03.2022 - 12.2024

Network Analyst

Computer Aid, Inc
12.2020 - 03.2022

Network Engineer

Logic Choice Technologies
01.2020 - 03.2020

Managed Services Engineer

Cologix
09.2019 - 01.2020

Data Center NOC Technician

Cologix
06.2018 - 09.2019

Bachelor of Science - Information Sciences And Technology

Pennsylvania State University

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