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John Oliver de Nieva

John Oliver de Nieva

Network Specialist with over 10 years of experience

Talent
ManilaMember since August 13, 2026
Fortigate FirewallCheckpoint FirewallMeraki Access PointsSolarwindsZscaler cloud proxyCisco RoutersCisco Nexus switchesCisco FirepowerCisco ASAVB scriptingSecure CRT
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Fortigate FirewallCheckpoint FirewallMeraki Access PointsSolarwindsZscaler cloud proxy

About

Dedicated and results-oriented Network Specialist with over 10 years of experience in managing and maintaining complex network infrastructures. Proficient in troubleshooting network issues, implementing network changes, and ensuring optimal performance. Adept at collaborating with cross-functional teams to meet business objectives. Looking for a new role to explore new technologies, enhance my knowledge and skill set in the new trends of the industry.

Experience

Network Specialist II at Stefanini Philippines (2021– Present)

  • Provide comprehensive support and maintenance for Stefanini's network infrastructure, ensuring uninterrupted operation.
  • Resolve network incidents and fulfill user requests promptly, leveraging expertise in Cisco Routers, Cisco Nexus switches, Cisco Firepower, Cisco ASA, Checkpoint Firewalls, Fortigate Firewalls, and Meraki Access Points.
  • Implement network infrastructure activities, including hardware replacements, reconfigurations, and new installations of routers/switches.
  • Mounting & installation of network hardware in server rack
  • Coordinate with local deskside teams for network activities at international sites.
  • Collaborate with cross-functional teams for network configuration changes, firewall rule modifications, and baseline configuration updates using SolarWinds.
  • Administer Zscaler Cloud Proxy, including SSL decryption and security profile allocation.
  • Monitor network performance, identify areas for improvement, and troubleshoot network issues efficiently.
  • Develop and maintain network documentation, including diagrams and configurations.

Network Operations Engineer - Google at Concentrix (2019 – 2021)

  • Maintained and supported corporate network infrastructure for Google, including routers, switches, firewalls, wireless controllers, and access points.
  • Monitored network stability, managed alerts, and coordinated with ISPs to resolve issues promptly.
  • Orchestrated the entire RMA process, including equipment replacement and on-site deployment.
  • Addressed various network issues reported by customers, ranging from wireless connectivity to configuration problems.
  • Executed small-scale network implementations, such as subnet resizing and VLAN modifications.

Network Engineer – Verizon (LCE) at Accenture (2015 – 2019)

  • Managed multi-vendor client network devices, ensuring adherence to design standards and security compliance.
  • Prepared, deployed, and maintained the device configurations for new installations, upgrades, and activations.
  • Conducted routing/connectivity checks and performed circuit/connection quality testing.
  • Created and documented network implementation changes and provided timely support for ad-hoc requests.
  • Offered design solutions, advised on upgrades and security measures, and participated in client meetings.
  • Coordinated with onshore counterparts and provided training for new team members.

ROHM LSI DESIGN PHILIPPINES (2012– 2015)

This position is in the semiconductor industry and not in the computer networking field.

Education

Bachelor of Science in Electronics and Communications Engineering – DE LA SALLE UNIVERSITY-MANILA (2007-01 – 2011-08)

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