Sr Subject Matter Expert (Support&Ops)

HCLTech
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📍 Singapore, Singapore

About this role

Job Summary

Summary  Final technical escalation point for enterprise network and network security operations.   Responsible for ensuring network availability, stability, security, performance, and compliance across Data Center, Campus, Branch, WAN, Cloud, and Security environments.   Provid

Key Responsibilities

Key Responsibilities 

  • Act as the Level 3 escalation point for critical P1/P2 incidents and complex network issues.  

  • Lead advanced troubleshooting across LAN, WAN, WLAN, Data Center, Cloud, Security, DDI, and Load Balancer environments.  

  • Drive Root Cause Analysis (RCA), Problem Management, and implementation of permanent corrective actions.  

  • Support Cisco ACI fabric operations, including VRF management, EPG health checks, leaf commissioning/decommissioning, and fabric troubleshooting.  

  • Manage routing and switching technologies including BGP, OSPF, VLANs, VRFs, QoS, and network segmentation.  

  • Provide expert support for WAN, Internet, MPLS, SD-WAN, VPN, and hybrid connectivity solutions.  

  • Lead implementation of approved network and security changes, migrations, upgrades, and technology refresh activities.  

  • Support firewall, proxy, VPN, NAC, and secure access platforms, including policy management and security incident resolution.  

  • Manage F5 load balancer platforms including VIPs, Pools, SSL certificates, HA validation, and platform upgrades.  

  • Support AWS networking services including VPCs, Transit Gateway, Route Tables, Direct Connect, VPN, Security Groups, and NACLs.  

  • Perform capacity planning, availability reviews, performance analysis, and resiliency assessments.  

  • Coordinate with OEMs, TAC teams, ISPs, and service providers for complex issue resolution and restoration activities.  

  • Drive compliance reviews, configuration baseline validation, drift management, audit support, and remediation activities.  

  • Identify automation opportunities and support automation, observability, and self-healing initiatives.  

  • Develop and maintain technical documentation, standards, knowledge articles, and operational procedures.  

  • Mentor Tier 1 and Tier 2 engineers and provide technical leadership and governance support.  

 

Skill Requirements

Enterprise Networking: Cisco ACI, Cisco Nexus, Cisco Catalyst, Cisco DNAC, Routing & Switching, BGP, OSPF, VLANs, VRFs, QoS, LAN, WAN, WLAN, MPLS, SD-WAN.  

Network Security: Palo Alto Firewalls, Check Point Firewalls, Cisco FTD/ASA, Fortinet Firewalls, Azure Firewall, Cisco ISE, VPN Technologies, Zscaler (ZIA/ZPA), Bluecoat Proxy, Secure Web Gateway Technologies.  

Application Delivery & Load Balancing: F5 BIG-IP LTM, GTM, APM, SSL Certificate Management, High Availability and Failover Technologies.  

DDI Services: Infoblox, BloxOne, DNS, DHCP, IPAM.  

Cloud Networking: AWS Networking, VPC, Transit Gateway, Route Tables, Direct Connect, VPN Connectivity, Security Groups, NACLs.  

Automation & Observability: Ansible Automation Platform, BMC Helix, Datadog, Grafana, Network Automation, Self-Healing Workflows.  

ITSM & Governance: ITIL Service Management, Incident Management, Problem Management, Change Management, Release Management, Compliance, Audit and Governance Management.  

Other Requirements

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Frequently Asked Questions

Is the salary disclosed for the Sr Subject Matter Expert (Support&Ops) position at HCLTech?
The salary for this Sr Subject Matter Expert (Support&Ops) role at HCLTech is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Sr Subject Matter Expert (Support&Ops) position at HCLTech located?
This Sr Subject Matter Expert (Support&Ops) role at HCLTech is based in Singapore, Singapore. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
How do I apply for the Sr Subject Matter Expert (Support&Ops) position at HCLTech?
Click the "Apply Now" button on this page. You will be redirected to HCLTech's official application portal hosted on successfactors where you can submit your application directly.
When was the Sr Subject Matter Expert (Support&Ops) job at HCLTech posted?
This Sr Subject Matter Expert (Support&Ops) position at HCLTech was posted on Oct 8, 2026. Apply as soon as possible — early applications are often reviewed first.
Sr Subject Matter Expert (Support&Ops)
HCLTech
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