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Network Engineer

Technology
HCLTech
Taguig, Philippines2 weeks ago
Full time

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.
Keywords
Siemens NX

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