Anama, Gabriel Sy

IT Network Administrator Specialist with 15+ years of experience in telecommunications, enterprise networking, network security, and infrastructure operations. Experienced in Palo Alto, FortiGate, HPE Aruba, SD-WAN, routing, switching, wireless technologies, and ISP management. Proven track record in maintaining high network availability, troubleshooting critical incidents, and supporting nationwide enterprise and telecommunications environments.

ITSM Network Administrator Specialist - DITO Telecommunication - 9th Floor, Udenna Tower, Rizal Dr, cor 4th Ave, Taguig, Metro Manila

(2024-01)

• Administer and maintain enterprise network infrastructure across headquarters, regional offices, and retail sites.
• Manage Palo Alto Firewalls, FortiGate Firewalls (HA), FortiSwitches, FortiAPs, and HPE Aruba network devices.
• Configure and troubleshoot routing, switching, wireless, VPN, SD-WAN, and security solutions.
• Lead incident investigation, fault isolation, root cause analysis, and service restoration activities.
• Coordinate with ISPs and vendors for connectivity provisioning, escalation management, and issue resolution.
• Implement network changes, migrations, upgrades, and preventive maintenance activities.
• Monitor network performance and availability to ensure optimal service delivery.
• Develop technical documentation, reports, and network topology diagrams.
• Work closely with SOC, ITSM, and infrastructure teams to resolve critical operational issues.
• Support network security initiatives through firewall policy management and security compliance activities.

Sr. Network Operations Engineer Specialist (VAS/SMS) - SMART Communications - SMART LEC Bldg., Filipinas Avenue UPS 5, Sucat, Parañaque City

(2012-10 - 2022-05)

Network Operations Center/Technical Support Department

• End user ticket handling, coordination and resolution of Tier 1 and Tier 2 tickets within SLA.
• Managed Tier 1 and Tier 2 support operations, ensuring ticket resolution within established SLA targets.
• Performed fault isolation, troubleshooting, and incident resolution for mission-critical Value Added Services (VAS) and SMS platforms.
• Administered HP-UX servers and supported application environments for financial and non-financial services.
• Configured and maintained IP connectivity, load balancing, and network services across Nokia and Huawei infrastructure.
• Utilized CLI and GUI tools for application and server administration.
• Conducted deep packet analysis using Wireshark to identify and resolve network and application issues.
• Investigated and mitigated security incidents involving malware, fraudulent traffic, and SMS-related threats through NewNet and HAUD platforms.
• Monitored network performance, alarms, and capacity using Splunk, SolarWinds, and PRTG.
• Performed vulnerability assessments, routine inspections, and preventive maintenance activities.
• Coordinated service implementations, network changes, and technical escalations with cross-functional teams.

Network Operations Engineer (Transmission/Broadband) - SMART Communications - SMART LEC Bldg., Filipinas Avenue UPS 5, Sucat, Parañaque City

(2011-08 - 2012-10)

Network Operations Center

• Assess the working condition of broadband BTS depending on its corresponding Site ID per location.
• Monitored and maintained broadband and transmission network services across nationwide sites.
• Supported transmission technologies and equipment from Tellabs, ZTE, Alcatel-Lucent, ECI, and Nortel.
• Performed fault diagnosis and restoration activities for network outages and service degradation incidents.
• Monitored network alarms and performance metrics using Network Management Systems (NMS).
• Executed testing, implementation, and modification of E1 circuits, Fast Ethernet links, and transmission services.
• Coordinated network change activities and escalations with engineering, operations, and field support teams.
• Assisted in network deployment, commissioning, and service activation projects.

Bachelor of Science - Information Technology (2007 - 2011)