Lead Engineer Network

CBTS Chennai, Tamil Nadu, India

IT Services and IT Consulting · 1,001-5,000 employees

14 h ago

Senior (5-10 yrs) Full-time India

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About the role

The Lead Engineer will oversee the design, deployment, and optimization of enterprise network infrastructure, including routing, switching, and security components. They are responsible for advanced troubleshooting, performance monitoring, and ensuring high availability across all network environments.

What they look for

Network Engineering Routing Switching WAN LAN Wireless SD-WAN Network Security Troubleshooting Problem Management Capacity Management Firewall Policies Zero Trust Network Observability Infrastructure Design Circuit Management

Requirements

The role requires extensive experience in managing complex network architectures, including WAN, LAN, and SD-WAN technologies. Candidates must be proficient in implementing network security controls and maintaining comprehensive documentation for operational standards.

Full description

1. Role Purpose: Leads enterprise network engineering & advanced operational support across routing, switching, circuits, WAN, LAN, wireless, SD-WAN and network security components to ensure high availability, optimized performance and secure network connectivity across customer and internal environments.

2. Key Responsibilities:

· Leads design, configuration, deployment and optimization of network infrastructure, routing policies and segmentation.

· Performs advanced troubleshooting, problem management, RCA, performance optimization and escalations handling.

· Supports network upgrades, migrations, patching, software upgrades, capacity management and resilience improvements.

· Implements network security controls, ACLs, firewall policies, zero trust segmentation and access governance.

· Ensures end-to-end network observability, monitoring integration and proactive detection of performance degradation.

· Creates and maintains network architecture documentation, operational runbooks and engineering standards.

· Provides technical SME support for new solutions / presales sizing and infra transformation initiatives.

· Manages order entries for circuit designs, documentation, perform network equipment investigations, order management for circuits.

3. Key Performance Indicators (KPIs):

· Network availability and performance SLA adherence

· MTTR & incident resolution effectiveness

· Network change success rate

· Network optimization gain metrics (latency, throughput, packet loss reduction)

· Control / policy compliance and standardization adoption

Reduction in repeat network