Job ID - 36501
Function - DIO

Job location - Gurgaon/Bangalore

Job Type - Permanent

Why we need this role
We are seeking a Senior IT Infrastructure Engineer (Network) to act as a technical Subject Matter Expert (SME) across enterprise network services, supporting office, data centre, and hybrid cloud networking environments.

This is a hands-on engineering role focused on delivering resilient, secure-by-design, and high-performance network platforms using predominantly Cisco technologies, with exposure to Juniper and cloud-native networking. The role will be critical in ensuring network segmentation, security, and scalability across the organisation’s global infrastructure

What You Will Do
Act as a technical SME for network infrastructure, including:

Office / campus networks, Data centre networking, Hybrid cloud connectivity (Azure, GCP)

Design, Implement, And Support Secure, Scalable Network Solutions Across
LAN / WAN / Data Centre / Cloud

Own And Optimise Cisco-based Network Platforms, Including
Routing and switching, Cisco ACI (Application Centric Infrastructure),



Policy-driven segmentation

Support And Manage F5 Load Balancing Platforms, Including
LTM configuration and optimisation, Traffic management and application delivery, High availability and failover design

Deliver Secure-by-design Network Architecture, Including
Network segmentation and micro-segmentation, Zero Trust principles, Alignment to enterprise security controls

Design And Support Hybrid Networking Solutions, Including
Connectivity to Azure and GCP

VPN and private connectivity models (e.g. ExpressRoute, Interconnect)

Troubleshoot and resolve complex network incidents and performance issues across multi-layer environments

Drive network automation and standardisation to improve operational efficiency

Produce And Maintain High-quality Network Documentation, Including
High-level and low-level designs, Network diagrams, Runbooks and operational procedures, Configuration standards

Collabo

📌 Senior IT Infrastructure Engineer (Bengaluru)
🏢 Colt Technology Services
📍 Bengaluru