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Sr. Network Engineer

CBTS

Chennai, Tamil Nadu, IndiaHybridPosted Jun 26, 2026

Job description

Key Responsibilities

  • Lead design, configuration, deployment and optimization of network infrastructure, routing policies and segmentation.
  • Perform advanced troubleshooting, problem management, RCA, performance optimization and escalations handling.
  • Support network upgrades, migrations, patching, software upgrades, capacity management and resilience improvements.
  • Implement network security controls, ACLs, firewall policies, zero trust segmentation and access governance.
  • Ensure end-to-end network observability, monitoring integration and proactive detection of performance degradation.
  • Create and maintain network architecture documentation, operational runbooks and engineering standards.
  • Provide technical SME support for new solutions / presales sizing and infra transformation initiatives.
  1. 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 incidents

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