Network Engineer

HCL Technologies Philippines Inc; Philippines; On-site; PHP 1,200,000 - 2,400,000; Full time

Job summary

HCL Technologies Philippines Inc. is seeking an experienced Enterprise Network Engineer to design, implement, and support complex LAN/WAN infrastructures. You will troubleshoot routing and switching issues, and lead upgrades and incident resolution in a 24x7 environment.

Responsibilities cover Cisco ACI, WLC, SD-WAN, and security. You will mentor junior engineers and collaborate across global teams to ensure reliable network operations.

Qualifications

• Bachelor’s degree in computer science, information technology, or related field.
• 8–12+ years of enterprise network engineering experience.
• Strong hands-on experience with Cisco networking technologies.
• Experience working in large-scale enterprise or healthcare environments.
• Excellent troubleshooting and analytical skills.
• Strong communication and stakeholder-management abilities.

Responsibilities

• Design, implement, and support enterprise LAN/WAN infrastructure.
• Troubleshoot complex routing and switching issues.
• Configure and manage: BGP, OSPF, EIGRP, VLANs, STP/RSTP/MSTP, EtherChannel/LACP, QoS.
• Perform IOS/NX-OS upgrades and lifecycle management.
• Lead major incident troubleshooting and root cause analysis.
• Administer Cisco Wireless LAN Controllers and Access Points; manage SSIDs and mobility groups.
• Deploy and support Cisco SD-WAN or equivalent SD-WAN technologies.
• Manage and troubleshoot Cisco ACI fabric environments (APIC, Tenants, VRFs, EPGs, contracts).
• Provide L3 support, 24x7 operations, and mentor L1/L2 engineers.
• Implement network security measures (ACLs, VPNs, NAT, segmentation).

Skills

BGP

OSPF

EIGRP

HSRP/VRRP

VLANs

STP/RSTP/MSTP

EtherChannel/LACP

QoS

Wireshark

Cisco IOS/NX-OS

Cisco ACI

Education

Bachelor’s Degree in Computer Science, Information Technology, or related field

Tools

Infoblox

F5 BIG-IP LTM

Cisco IOS/NX-OS

Cisco ACI

Cisco SD-WAN

Wireshark

Job description

Routing & Switching

• Design, implement, and support enterprise LAN/WAN infrastructure.

• Troubleshoot complex routing and switching issues.

• Configure and manage:

  • BGP

  • OSPF

  • EIGRP

  • HSRP/VRRP

  • VLANs

  • STP/RSTP/MSTP

  • EtherChannel/LACP

  • QoS

• Perform IOS/NX-OS upgrades and lifecycle management.

• Lead major incident troubleshooting and root cause analysis.

Cisco Wireless (WLC)

• Administer Cisco Wireless LAN Controllers and Access Points.

• Configure SSIDs, RF profiles, mobility groups, and guest access.

• Troubleshoot wireless connectivity, roaming, authentication, and performance issues.

• Work with Cisco ISE for wireless authentication and policy enforcement.

SD-WAN

• Deploy and support Cisco SD-WAN or equivalent SD-WAN technologies.

• Troubleshoot overlay/underlay connectivity issues.

• Perform policy-based routing and application-aware routing configurations.

• Support circuit migrations, onboarding, and network transformations.

Cisco ACI

• Manage and troubleshoot Cisco ACI fabric environments.

• Configure and maintain:

  • APIC Controllers

  • Tenants

  • VRFs

  • Bridge Domains

  • EPGs

  • Contracts

• Support data center migrations and network automation initiatives.

• Participate in ACI design, deployment, and operational support.

Network Operations & Incident Management

• Provide Level-3 support for P1/P2/P3 incidents.

• Conduct packet analysis using tools such as Wireshark.

• Perform Root Cause Analysis (RCA) and preventive actions.

• Support 24x7 operations and critical change windows as required.

• Mentor L1/L2 engineers and provide technical guidance.

Network Security

• Implement and troubleshoot:

  • ACLs

  • VPNs

  • NAT

  • Network segmentation

• Ensure compliance with security policies and standards.

• Support vulnerability remediation activities.

Good-to-Have Skills

Infoblox

• DNS, DHCP, and IPAM administration.

• Grid architecture understanding.

• DNS troubleshooting and DHCP failover concepts.

• IP address management and automation integrations.

F5 Load Balancers

• F5 BIG-IP LTM administration.

• Virtual Servers, Pools, Monitors, SNAT.

• SSL offloading and certificate management.

• Basic iRules knowledge.

• Application onboarding and load-balancer troubleshooting.

Required Qualifications

• Bachelor’s Degree in Computer Science, Information Technology, or related field.

• 8–12+ years of enterprise network engineering experience.

• Strong hands-on experience with Cisco networking technologies.

• Experience working in large-scale enterprise or healthcare environments.

• Excellent troubleshooting and analytical skills.

• Strong communication and stakeholder-management abilities.

Work Schedule & Flexibility

• Must be willing to work in a 24x7 support environment with rotational shifts.

• Open to working night shifts on a rotational basis as part of global support coverage.

• Participate in on-call support, weekend support, and major incident bridges when required.

• Flexibility to support planned maintenance activities, change implementations, and critical business events as required.

• Ability to work effectively in a global team environment across multiple time zones.