NOC Manager and Network Operations Lead

ANGEAL CASTILLO

Lubbock, TX *****

806-***-**** ********@*****.***

Professional Summary

Network Operations professional with 17+ years of experience in NOC operations, technical support, and team leadership. I am skilled in network monitoring, troubleshooting within the CLI for Cisco and Brocade, incident management, and improving operational processes. Proven ability to lead teams, resolve complex network issues, and maintain reliable and secure network systems.

Technical Summary

Platforms & Hardware

Cisco, Accedian, Adtran, Ciena, Juniper, Calix, Cambium Networks (CN Matrix) A10, Arista, Brocade

Networking Protocols

TCP/IP, OSPF, BGP, DHCP, DNS, VLAN

Monitoring & Network Tools

Cisco CLI, SecureCRT, SolarWinds, LogicMonitor

Core Networking Skills

Network Troubleshooting

CLI Troubleshooting

Network Monitoring

Incident Response

Ticket Escalation & Management

Remote Coordination

Root Cause Analysis

Professional Experience

Network Engineer I / NOC

JSI – Lubbock, TX Aug 2024 – Present

Monitor network infrastructure using LogicMonitor to detect connectivity issues and outages.

Create and manage trouble tickets while documenting troubleshooting within the CLI to resolve the issues.

Escalate complex network issues to senior engineers when needed.

Assist in maintaining internal knowledge base and troubleshooting documentation.

Provide technical support to customers and help resolve network issues.

NOC & Tier 2 Manager

Vexus Fiber – Lubbock, TX Sept 2023 – Jul 2024

Managed daily Network Operations Center (NOC) activities and team performance.

Diagnosed and resolved complex network issues within the CLI to maintain system reliability.

Implemented new procedures and workflows to improve operational efficiency. Also training new team members how to use the CLI. Understanding and Pon Utilizing and troubleshooting.

Monitored network performance and generated reports to meet SLA targets within Solarwinds and LogicMonitor.

Configure and provision Adtran, Calix ONTs for Residential/ Commercial customers.

Help with new turn-up for Verizon towers via the CLI and active E Gpon Cards.

NOC & Tier 2 Supervisor

Vexus Fiber – Lubbock, TX Jan 2021 – Sept 2023

Supervised NOC staff and coordinated daily operations in a 24/7 network environment.

Managed incident response and troubleshooting for critical network issues.

Trained team members and supported employee development. Putting Knowledge base articles for the Cli and Pon Utilizing.

Improved workflow processes to increase team productivity and service response times.

Noc & Tier 2

Vexus Fiber – Lubbock, Tx November 2017- December2020

Monitored alarms via SolarWinds.

Configure and view in the Cli for Access, Core Layers of the Vexus Network. Working with routers and switches, A10, Arista, Brocade, Juniper, and Cisco

Configure Adtran and Calix ONTs with Gpons and the CLI

Responsible for Network Maintenance and understanding of the Network if it was software updates, network upgrade, or configuration changes.

Handle escalations within the Noc and the Engineers.

Education:

Cisco Network Certification In Progress

Ethernet Access Network Specialist Certification 2026

High School Diploma Ralls High School – Ralls Texas Graduated 1997

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