Network Engineer

10+ years of experience in troubleshooting, designing, and deploying robust network solutions.

About Me

Jesus Otero Lagunes

I am Jesus, a highly motivated and adaptable telecommunications engineer with a proven ability to troubleshoot and resolve complex network issues. I am passionate about all things computer networking and thrive in challenging environments where continuous learning and meaningful contributions are valued.

My goal is to leverage my decade of experience to help businesses optimize their network infrastructure, ensuring high availability, security, and performance. I believe in a healthy work-life balance, which allows me to stay sharp and bring my best to every project.

Skills & Certifications

Technical Skills

Core Networking & Architecture

LAN/WAN Design, IP Addressing (IPv4/IPv6), VLANs, VPNs, Metro Ethernet, FTTX, Fixed Wireless

Routing & Switching Protocols

BGP, OSPF, IS-IS, MPLS, STP & RSTP, G.8032 (ERPS), 802.1ad (Q-in-Q), LACP

Vendor Platforms & OS

Juniper (Junos), Cisco (IOS/XE), Ciena (SAOS 6, 8, 10), Adtran, Calix, Accedian, Alcatel-Lucent

Systems & Automation

Linux, Python, Ansible, Jinja, Bash, Git, Docker, OPNSense

Network Services & Tools

DHCP, DNS, FTP, SIP/VOIP, Wireshark, Incognito, Microsoft Visio

Certifications

JNCIA - DevOps

Expires: July 2028

JNCIS - Service Provider

Expires: June 2028

JNCIS - Enterprise

Expires: March 2028

JNCIA - Junos

Expires: July 2028

CCNA

Expires: August 2026

Work Experience

Service Activation Engineer II

Sparklight

Recently promoted to Service Activation Engineer II, taking on greater responsibilities in network design and service deployment. Continuing to lead initiatives that improve service activation processes and customer satisfaction.

Service Activation Engineer I

Sparklight

Expertly activated new DIA, EPL, and Cellular Backhaul Ethernet services through design, deployment, and testing. Proactively identified and resolved network constraints to facilitate multi-gigabit services. Led a company initiative to deploy new CPE for Active Ethernet services.

Service Activation Technician III

Cable One

Led the activation of complex Ethernet services, ensuring high standards of quality and performance. Automated CPE configuration processes to enhance efficiency and reduce activation times.

Service Activation Technician II

Cable One

Managed the activation of PON, HFC, and SIP services, focusing on efficiency and reliability. Played a key role in troubleshooting and resolving service issues to maintain high customer satisfaction.

Previous Roles

  • Service Activation Technician I

    Hargray

  • IT - Helpdesk Technician

    Hargray

  • TAC Support Technician

    Hargray

  • Delivery Driver

    Pizza Hut

Latest Blog Posts

Get In Touch

I'm always open to discussing new projects, creative ideas, or opportunities to be part of an ambitious vision.