John Patrick Lopez Email & Phone Number

Accomplished Network Engineer with extensive experience in service provider network upgrades across the ASEAN region and the United States. Proficient in orchestrating seamless migrations, implementing emerging technologies, and leading teams to ensure the successful execution of network enhancements. Adept at optimizing performance and delivering exceptional results in dynamic environments.Key Achievements:• Played a pivotal role in upgrading service provider networks across the ASEAN region and the United States, focusing on enhancing infrastructure and optimizing performance.• Successfully migrated legacy Cisco ASR 9000 routers to Cisco NCS 5500 and 8000 series carrier routers, leveraging IOS-XR to improve scalability and efficiency.• Upgraded circuits to high-speed 100G/400G links using Cisco ASR and Nexus 3000/9000 data center switches, enhancing network capacity and throughput to meet growing demands.• Implemented design changes such as transitioning from MPLS to Segment-Routing MPLS, optimizing network architecture for streamlined traffic engineering and enhanced resiliency.• Led a team of skilled network engineers to ensure the smooth execution of network and services migrations, coordinating tasks, resolving issues, and driving project success.• Served as a QA lead, overseeing the regression testing of Business Process Automation (BPA) and Network Service Orchestrator (NSO) upgrades, ensuring the reliability and functionality of deployed solutions.• Provided mentorship and guidance to engineers, fostering a culture of collaboration, and continuous improvement within the team.

Dynamic and results-driven Network Engineer with a proven track record of spearheading transformative projects for leading internet service providers. Demonstrated expertise in leading teams through complex network migrations, driving the adoption of emerging technologies, and ensuring seamless transitions for thousands of customers. Proficient in deploying Cisco network infrastructure, particularly SR-MPLS, to enhance performance, reliability, and scalability.Key Achievements:• Group lead of network transformation initiative for the largest internet service provider in the Philippines, overseeing the migration from non-Cisco to Cisco infrastructure, specifically SR-MPLS.• Directed a team of engineers in executing service and design migrations for both enterprise and consumer networks, encompassing diverse services such as IPTV Multicasts, MPLS L3VPN, EVPN L2VPNs, broadband, and mobile services.• Ensured the smooth transition of thousands of customer internet connections, facilitating IPv4 and IPv6 connectivity, from legacy backbone infrastructure to the newly established network transport and domestic internet gateways.• Configuration of Cisco ASR 9900 BNG routers, optimizing network performance and enhancing scalability to meet growing customer demands.• Collaborated closely with stakeholders to develop migration strategies, mitigate risks, and ensure minimal disruption to services during the transition period.• Implemented robust testing and validation procedures to verify the functionality and reliability of the newly deployed infrastructure, ensuring adherence to quality standards and customer expectations.

Key member of the global network infrastructure team at Sykes Enterprises working remotely from the Philippines. I play a pivotal role in supporting the global connectivity needs spanning across AMER, APAC, LATAMS, and EMEA regions. With a focus on excellence, I have successfully undertaken a diverse range of responsibilities, including:• Designing and implementing robust enterprise security measures, routing protocols, and switching strategies to fortify Sykes Enterprises' network infrastructure against potential threats and vulnerabilities.• Spearheading the design, migration, and implementation of Cisco wireless networks, leveraging advanced technologies such as Cisco WLC, ISE, and Prime Infrastructure. This includes ensuring seamless connectivity and optimal performance across diverse geographical locations.• Demonstrating expertise in troubleshooting complex network issues, including Level 3 escalations, with a keen ability to diagnose and resolve challenges swiftly to minimize downtime and maintain operational efficiency.• Leading migrations and network redesign projects aimed at optimizing performance and enhancing scalability, thus enabling Sykes Enterprises to adapt seamlessly to evolving business requirements and technological advancements.• Executing PCI-DSS remediation efforts to ensure compliance with industry regulations and safeguard sensitive financial information, thereby fostering trust and confidence among clients and stakeholders.• Achieved significant cost savings by consolidating data center designs, reducing overall circuit expenses by 50% while maintaining redundancy and seamless connectivity, demonstrating a commitment to efficiency and fiscal responsibility.• Key engineer for the ATM infrastructure decommissioning and network redesign, to eliminate the huge operational cost of legacy circuit technologies.

Bonifacio Global City, Taguig City

As a pivotal member of the global network operations team at Asurion, I have been instrumental in supporting and optimizing a diverse array of platforms critical to the company's operations. Some of the key platforms I have expertly managed include:• Cisco Catalyst switches (6500, 4500, 3750, 3850 series), ensuring high-performance and reliable network connectivity across various locations and departments within the organization.• Cisco Nexus switches (2000, 5000, 6000, 7000, 9000 series), implementing cutting-edge data center networking solutions to facilitate seamless communication and data transfer.• Cisco routers (3800, 3900, 7600, ASR 1000 series), optimizing routing efficiency and providing robust connectivity for mission-critical applications and services.• Cisco ASA and Checkpoint Firewalls, safeguarding the organization's network infrastructure against cyber threats and ensuring compliance with security protocols and regulations.• Cisco Wireless Controllers, overseeing the deployment and management of wireless networks to support mobile connectivity and productivity across the organization.• F5 Load-balancers (Local Traffic Manager and Global Traffic Manager), orchestrating traffic distribution and ensuring high availability and performance for web-based applications and services.• Infoblox IP Address Manager, maintaining accurate and efficient IP address allocation and DNS management to support network operations and facilitate seamless communication.

Muntinlupa City

Create solutions for business requirements involving advanced networks, Data center and virtualization technologies, as well as development of fault and performance management policies and automation rules.

Dynamic and accomplished Manager of Network Administrators with a proven track record of spearheading network operations across the APAC region for Sykes, who is the pioneer of call center business in the Philippines. Proficient in managing diverse teams to support a vast network infrastructure serving 10,000+ employees and 50 clients. Demonstrated expertise in network design, implementation, and maintenance, with a focus on enhancing efficiency, capacity, and security.Key Achievements:• Led a team of network administrators spanning the APAC region, overseeing operations in the Philippines, China, India, and Australia, ensuring seamless connectivity and support for 10,000 employees and 50 clients.• Advanced through the ranks from Network Administrator to Senior Network Administrator, eventually assuming the role of Network Manager, showcasing consistent growth and expertise within the organization.• Acted as the final escalation point for network emergencies, swiftly resolving critical issues to minimize downtime and uphold operational continuity.• Successfully streamlined Sykes Philippines' ATM infrastructure by consolidating six data centers into two, optimizing resource utilization and enhancing efficiency.• Orchestrated the setup and enhancement of data center equipment to bolster capacity and redundancy, ensuring robust performance across APAC centers and data facilities.• Managed the identification and upgrade of Cisco End-of-Support equipment, mitigating risks associated with outdated infrastructure and ensuring compliance with industry standards.• Played a pivotal role in PCI-DSS certifications for financial clients, ensuring adherence to stringent security requirements and facilitating seamless audits.• Implemented TACACS+ and RADIUS for AAA, designing and deploying high-availability solutions to fortify access controls and enhance accountability using Cisco Identity Service Engine (ISE) and Access Control System (ACS).

Dedicated Network and Systems Administrator in configuring, maintaining, and troubleshooting Cisco routers, switches, and firewalls for large-scale call center operations. Proficient in designing and implementing network topologies to support business needs. Skilled in managing Windows Active Directory and Exchange Server environments, enhancing system availability and performance. Experienced in server maintenance, including Dell and HP systems, and adept at deploying security solutions such as GFI Mail Essentials Anti-spam servers and Trend Micro InterScan Messaging Security Suite.

Diligent Email Security Analyst with expertise in analyzing various email types, including spam, phishing, hoaxes, and virus-laden emails. Proficient in implementing measures to block internet downloads of viruses, ensuring the protection of Trend Micro customers. Skilled in maintaining and updating phishing databases to enhance security measures and mitigate potential threats effectively.