Marvin Zara Email & Phone Number

Vancouver, British Columbia, Canada

• Operate and maintain highly-available, hybrid enterprise network (on-premise and cloud infrastructure), meet the performance and availability requirements defined by the business.• Plans rollout of new network hardware and system releases, and makes sure they are properly tested before deployment to production in order to minimize the impact of change-related incidents.• Develops comprehensive operational procedures for on-going support, change management, incident and problem management.• Conducts capacity planning, process and resource analyses of the network and recommends options to improve performance.• Creates and maintains documentation for existing and new network systems using detailed diagrams.• Provides 7x24 on-call support in a customer centric environment and resolves the more complex problems, including the resolution of moderately complex interconnection issues with external service providers, or escalates to Network Architects.• Performs considerably complex troubleshooting of network systems in collaboration with other teams, ensures complete resolution of incident and customer satisfaction or escalates to more senior level staff.• Participates in various projects as a technical resource.

Vancouver, British Columbia, Canada

• Operate and maintain highly-available, hybrid enterprise network (on-premise and cloud infrastructure), meet the performance and availability requirements defined by the business.• Plans rollout of new network hardware and system releases, and makes sure they are properly tested before deployment to production in order to minimize the impact of change-related incidents.• Develops comprehensive operational procedures for on-going support, change management, incident and problem management.• Conducts capacity planning, process and resource analyses of the network and recommends options to improve performance.• Creates and maintains documentation for existing and new network systems using detailed diagrams.• Provides 7x24 on-call support in a customer centric environment and resolves the more complex problems, including the resolution of moderately complex interconnection issues with external service providers, or escalates to Network Architects.• Performs considerably complex troubleshooting of network systems in collaboration with other teams, ensures complete resolution of incident and customer satisfaction or escalates to more senior level staff.• Participates in various projects as a technical resource.

Vancouver, Canada Area

• Designed network/security solutions for enterprise clients. Coordinated planning and deployed the infrastructure from hardware rollout to customer handover.• Provided first escalation point for network related incidents. Monitored network infrastructure activity and resolved network problems.• Installed, configured and maintained network elements from access to distribution layer. Provisioned rack and data centre space, installed power and network devices following provisioning standards.• Developed tools to monitor overall network infrastructure for fast response time during incidents. Utilized network tools as aid in investigating network issues.• Provided guidance, leadership and mentoring to team members as well as other departments for any network related queries. Participated in crafting best practices, standards and procedures.

Vancouver, Canada Area

• Ensured day-to-day operations are being completed in a timely manner (including monitoring, task, emails and tickets).• Provided first escalation point for on-shift Network Analysts• Assisted in day-to-day administration and co-ordination tasks of the NOC.• Provided leadership in co-ordinating and monitoring day-to-day provisioning tasks assigned to the NOC.• Developed and implemented training materials for new and existing NOC staff.• Discovered, designed and deployed new tools, procedures and documentation related to improving the efficiency of the NOC or support of our customer base.• Co-ordinated and engaged other NOC Leads and ensured consistency in process and level of service between NOC locations.

Vancouver, Canada Area

• Monitored overall network backbone health, Data Centre power and cooling, and responds to event alarms.• Closely monitored traffic trends on transport, transit and peering exchanges for non-legitimate traffic and informed affected customers to proactively protect their business and internal network.• Performed traffic engineering for saturated backbone links and worked closely with engineering team for necessary traffic re-routing and capacity upgrades.• Mitigated Denial of Service attacks and implemented security solutions to resolve such network impacting incidents.• Performed remote hands for co-location customers in Vancouver and worked closely with customers to troubleshoot hardware related issues.• Implemented after-hour network related provisioning Work Orders such as port configuration/turn-up, VLAN/subnet move, BGP configuration and Load Balancing VIP configuration in the absence of Network Engineers.• Created and modified technical documentation for training other Network Analysts.• Trained Junior Analyst to enhance their technical and professional soft skills.

Manila, Philippines

• Performed preventive maintenance routine on network devices as a proactive approach to prevent service impacting network outages and ensured resiliency of the campus-based network infrastructure.• Administered efficient MAN and WAN campus based routing.• Designed, configured and tested VPN networks (Client-to-Site, Site-to-Site IPSec, GRE and GRE over IPSec) using Cisco router and firewall platforms according to project requirements.• Worked closely with Account Managers and Network Architects in deploying client dedicated network infrastructure, from baseline configuration to rollout.• Collaborated with Accenture project’s global technical team in response to their client’s service requests and queries.• Provided training to projects/users and other departments (Server, Voice Team) in response to identified incidents or service requests concerning data network backbone.

Manila, Philippines

• Process daily traffic data coming from the different network elements of the Network Switching Sub-System (NSS) • Generate daily NSS performance reports and analyze data for service affecting KPI problems and trends• Prepare and present statistical trends and reports for analysis and dimensioning for proactive NSS sub systems planning• Coordinate with different groups with regard to updates on switch inventory, attached subscribers loading etc., that are pertinent information in the daily report generation.• Prepares data needed for the NSS Grade of Service report.• Ensure completeness and correctness of daily traffic data.• Prepares daily traffic study result of the trunkgroups terminated at different NSS network elements.

Certification Program, Cisco Certified Network Associate

Bachelor Of Science, Computer Engineering