Senior Network Engineer

ibex; Philippines; On-site; PHP 900,000 - 1,300,000; Full time

Job summary

ibex is seeking a Senior Network Engineer with a strong Cisco Security focus. You will maintain network operations, implement security policies, configure firewalls, and troubleshoot complex issues across a large enterprise environment.

The role requires 4–6 years of hands-on experience with WAN/LAN protocols, Cisco devices, and NG-Firewalls across multi-vendor stacks. You will work on secure, scalable network infrastructure and contribute to ongoing security hardening.

Qualifications

• >4–5 years of hands-on experience with WAN protocols (BGP, EIGRP, OSPF) and Cisco equipment.
• >Experience configuring firewalls, VPNs, ACLs, and NAT in enterprise networks.
• >Knowledge of multi-vendor NG-Firewalls (Cisco ASA, Palo Alto, Fortigate).
• >Proactive network monitoring using SolarWinds, PRTG; familiarity with NMS/Syslog.
• >Ability to document designs, standards, and network diagrams.

Responsibilities

• >Device management: configure and manage Cisco routers, switches, and firewalls.
• >Security implementation: enforce policies, VPNs, ACLs, and NAT rules.
• >Incident response: troubleshoot Tier-2/3 network incidents and conduct root cause analyses.
• >System maintenance: firmware upgrades and security patching on Cisco/security devices.
• >Monitoring and auditing: track alerts, run vulnerability audits, ensure performance.
• >Documentation: maintain diagrams, backups, and security policies.

Skills

WAN protocols (BGP EIGRP OSPF)

Cisco IOS

Security policy & firewall config

Network design principles

Troubleshooting & problem solving

Communication skills

Documentation & standards drafting

SDN/SD-WAN concepts

Monitoring & incident handling

VPN, ACLs, NAT

Tools

Cisco ASA

Palo Alto

Fortigate

SolarWinds

PRTG

Job description

Overview

We are seeking a detail-oriented and proactive Senior Network Engineer with a strong focus on Cisco Security to join our IT Infrastructure team. The ideal candidate has 4 to 6 years of hands‑on experience maintaining network operations, configuring firewalls, and securing IT environments. You will be responsible for ensuring the availability and integrity of our systems by implementing security policies and troubleshooting network issues.

Responsibilities

• Device Management: Configure, install, and manage Cisco network devices including routers, switches, and firewalls.
• Security Implementation: Enforce network security protocols, including configuring VPNs, Access Control Lists (ACLs), and NAT rules.
• Incident Response & Support: Troubleshoot and resolve Tier-2/3 network issues, identify security incidents, and assist with root cause analysis.
• System Maintenance: Perform routine network maintenance, firmware upgrades, and security patch management on Cisco and related security hardware.
• Monitoring & Auditing: Monitor network performance, track security alerts, and run audits to identify vulnerabilities.
• Documentation: Maintain up-to-date network diagrams, configuration backups, and security policies.

Qualifications

• 4 to 5 years with WAN protocols (BGP, EIGRP, OSPF), LAN/WLAN (DNS, IP Addressing, QoS, Spanning Tree, Multicast), Cisco Catalyst switches, Cisco ISR/ASR routers.
• Intermediate problem resolution knowledge of hardware/software platform problems in complex, layered, network infrastructure.
• Knowledge of NG-Firewalls (Multi-vendor, Cisco ASA, FTD, Palo Alto, Fortigate), Security products/practices ACLs, Firewalls, VPN, etc.
• Proactive monitoring (Solarwinds, PRTG) of 1000+ devices network and knowledge of NMS/Syslog monitoring. alerting and escalations.
• Intermediate knowledge of network systems design principles and standards.
• Excellent written and oral communication skills, including the ability to articulate project level presentations to business sponsors.
• Strong troubleshooting and critical thinking skills to resolve complex problems.
• Ability to draft and document designs and standards.
• Project experience implementing core infrastructure, networking and cloud based services for business teams or consumers
• Cisco IOS, Cisco ASA/ Palo Alto (Firewall), Fortinet Wireless, Solar Winds and/or other Network Management utilities
• Strong NG-Firewalls Experience (Multi-vendor, Cisco ASA, Palo Alto, Fortigate)
• SDN/SD-WAN, Security products/practices ACLs, Firewalls, VPN, etc.
• Experience working in a large enterprise environment (1000+ devices)
• Excellent written and oral communication skills, including the ability to articulate project level presentations to business sponsors.
• Strong troubleshooting and critical thinking skills to resolve complex problems.
• Ability to draft and document designs and standards.
• Familiar with 24x7 operational and rotational NOC based shifts.