Enmanuel Leon
Shrewsbury,MA
Summary
Experienced IT professional with over 15 years of expertise in technical support, network administration, and customer service. Skilled in troubleshooting hardware and software issues, configuring and maintaining network systems, and collaborating with cross-functional teams to ensure seamless IT operations. Adept at improving operational efficiency, providing exceptional customer support, and developing documentation for enhanced team workflows. Recognized for exceptional problem-solving skills, attention to detail, and a strong willingness to learn and adapt to new challenges.
Overview
16
16
years of professional experience
1
1
Certification
Work History
Network Engineer (Contract)
Liberty Churches
01.2024 - Current
- Designed and deployed a high-availability network infrastructure for a large church, utilizing Ubiquiti UniFi equipment, including Enterprise Fortress Gateways, Hi-Capacity Aggregation Switches, and WLAN.
- Configured redundant WAN connections and VLANs for staff, AV/tech, guest, and management networks, enhancing security and operational efficiency.
- Implemented WPA2-Enterprise with RADIUS authentication for staff and a captive portal with voucher system for guest Wi-Fi, improving access control and user experience.
- Established firewall rules and centralized management via UniFi Controller, ensuring robust network security and streamlined administration.
- Created and presented a non-technical proposal to the church board, using simple visuals and relatable analogies to secure project approval for network upgrades.
- Generated detailed network topology and usage reports using UniFi Controller tools, enabling proactive monitoring and optimization of connectivity for 500+ users.
- Collaborated with stakeholders to align network design with organizational needs, delivering reliable Wi-Fi and secure connectivity for services and events.
Network Engineer (NOC)
Harbor Networks
01.2021 - 01.2024
- Delivered post-deployment support and consulting services, achieving a high customer satisfaction rate.
- Troubleshot network incidents and coordinated cross-functional teams to minimize downtime.
- Conducted root cause analyses and provided tailored recommendations, reducing repeat issues.
- Designed and customized network dashboards and real-time reports to enhance clients’ visibility into key performance metrics.
- Optimized network security configurations, including IDS/IPS, VPN systems, reducing security incidents.
- Led customer training sessions, empowering IT teams to independently manage and troubleshoot networks.
- Scheduled and managed maintenance windows, ensuring minimal disruption during upgrades and patches.
- Mentored clients’ IT staff in automation tools and processes, improving their operational efficiency.
- Lead customer’s network refresh projects.
Network Engineer (NOC and ISP Data Center)
Shrewsbury Electric Light & Cable Operations
01.2014 - 01.2021
- Monitored ISP networks supporting 15,000+ subscribers and maintaining 99.9% uptime.
- Deployed and managed Cisco routers, Nexus switches, DWDM/CWDM systems, and FortiGate firewalls.
- Designed and maintained enterprise LAN for 400+ users, implementing VLANs, subnetting, and PoE configurations.
- Engineered Spine-Leaf architectures using Cisco Nexus 9500 and 9300 series switches.
- Deployed and maintained SCADA networks for utility operations.
- Enhanced network monitoring by implementing SolarWinds NPM, IPAM, and NCM, reducing incident response times.
- Generated comprehensive bandwidth usage reports to support strategic growth planning.
- Coordinated maintenance windows for system upgrades, ensuring seamless transitions.
Network Technician
Shrewsbury Electric Light & Cable Operations
01.2012 - 01.2014
- Managed out-of-band access for remote network devices.
- Documented logical and physical network topologies for easy reference.
- Assisted in deploying DWDM/CWDM technologies to expand network capabilities.
Helpdesk Technician
Shrewsbury Electric Light & Cable Operations
01.2009 - 01.2012
- Delivered exceptional support to 15,000+ subscribers, maintaining a high first-call resolution rate.
- Assisted in deploying and configuring network hardware for new installations.
- Utilized GLDS BroadHub billing systems for provisioning and support.
Education
Associate of Science - Computer And Information Systems
Cisco Network Academy
Remote06-2016
Skills
- Proficient in networking protocols
- Network architecture design
- Technical documentation
- Routing & Switching
- Cyber Security
- Customer service expertise
- Wireless Networking
- Network Troubleshooting
- Network Monitoring & Analysis
- Technical Leadership
- SD-WAN
- Infrastructure planning and design
- Wireless networking support
- Firewalls and endpoint security
- Networking protocol expertise
Certification
- Unifi Full Stack Professional (UFSP), 2025
- Unifi Wireless Admin (UWA), 2025
- Cisco Certified Network Associate (CCNA), 2016
- RUCKUS Wireless Access Infrastructure, 2022
- Fortinet Certified Professional, 2022
Additional Information
Fluent in English and Spanish., Experienced with Windows and Mac Operating Systems., Volunteered IT services to a local church, providing technical support and infrastructure improvements., Fast and reliable internet connection and a fully equipped workstation for remote work., Valid Driver’s License and reliable vehicle., Strong willingness to learn new technologies and adapt to emerging trends.
Career Overview
Experienced IT professional with over 15 years of expertise in technical support, network administration, and customer service. Skilled in troubleshooting hardware and software issues, configuring and maintaining network systems, and collaborating with cross-functional teams to ensure seamless IT operations. Adept at improving operational efficiency, providing exceptional customer support, and developing documentation for enhanced team workflows. Recognized for exceptional problem-solving skills, attention to detail, and a strong willingness to learn and adapt to new challenges.
Languages
English
Native or Bilingual
Spanish
Native or Bilingual
Timeline
Network Engineer (Contract)
Liberty Churches
01.2024 - Current
Network Engineer (NOC)
Harbor Networks
01.2021 - 01.2024
Network Engineer (NOC and ISP Data Center)
Shrewsbury Electric Light & Cable Operations
01.2014 - 01.2021
Network Technician
Shrewsbury Electric Light & Cable Operations
01.2012 - 01.2014
Helpdesk Technician
Shrewsbury Electric Light & Cable Operations
01.2009 - 01.2012
Associate of Science - Computer And Information Systems
Cisco Network Academy
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