Description
Network Security Engineer
Location: Taguig City, Philippines
Department: APAC IT Production – Telecom & Data Center (iNet)
Reports To: Team Leader, APAC IT Production
Position Purpose
Acts as an escalation point for technical issues across iNet technology platforms, working
closely with infrastructure teams to support project delivery, platform maintenance, and
change implementation.
Key Responsibilities
Direct Responsibilities
• Maintain and enhance firewall, load balancer, proxy, and DDI architectures, ensuring
accurate documentation
• Manage platform lifecycle (hardware/software) across supported technologies
• Troubleshoot firewall issues (access policies, NAT, routing)
• Support and resolve VPN issues (site-to-site and remote access)
• Handle load balancer operations (virtual servers, pools, nodes, protocol profiles)
• Manage internet access requests, including proxy whitelisting/blacklisting and policy
updates
• Troubleshoot internet access and proxy-related incidents
• Manage and support DNS/DHCP (DDI) requests and incidents
• Monitor systems and respond to alerts proactively
• Maintain asset inventory and ensure data accuracy through reconciliation
Contributing Responsibilities
• Drive continuous improvement initiatives and process optimization
• Support team productivity and operational excellence
• Take initiative in adopting new responsibilities and improvements
Technical Requirements
Core Technologies (at least 2 required):
• Firewalls:
o Strong knowledge of firewall architecture, protocols, and network topologies
o Experience with Fortinet and Check Point
• Proxies:
o Understanding of HTTP, SSL/TLS, and proxy technologies
o Experience with SkyHigh and Bluecoat
• Load Balancing:
o Knowledge of load-balancing concepts (algorithms, GSLB, DNS-based LB)
o Experience with F5
• DNS/DHCP (DDI):
o Understanding of DNS, DHCP, and IPAM architectures
o Experience with Infoblox
• Remote Access:
o Knowledge of VPN protocols (IPSec, SSL)
o Experience with Cisco ASA / FTD
Additional Skills
• Monitoring tools (e.g., Zabbix, SolarWinds, Dynatrace, HPOO) and SNMP
• Scripting and automation (Python, Bash, Perl)
• Experience with Ansible for automation and deployment
• Strong troubleshooting, analytical, and documentation skills















