Senior Network Design Engineer_ Bangalore/ Pune

Tech Mahindra; Pune District, Bengaluru; On-site; INR 2,500,000 - 4,200,000; Full time

Job summary

Tech Mahindra in Pune seeks a Senior Network Design Engineer with deep Cisco LAN/WAN/SD-WAN and Wireless expertise. You will produce high-level and low-level designs, govern design quality, and drive design activities across projects.

The role requires reviewing requirements, creating HLDs/LLDs, and supporting migrations and network refresh initiatives while ensuring alignment with customer standards. The ideal candidate has 7–12 years of experience, strong documentation skills, and a proven

Qualifications

• Candidate must have experience in designing Cisco LAN/WAN/SD-WAN and wireless networks.
• Ability to produce HLDs and LLDs and govern design across projects.
• Strong documentation and design governance skills.
• CCNP Enterprise certification is preferred.

Responsibilities

• Develop High-Level Designs (HLD) and Low-Level Designs (LLD).
• Translate requirements into implementable network designs.
• Review customer requirements and perform design impact assessments.
• Create design documentation and migration plans.
• Support migration and renewal initiatives across sites.

Skills

Cisco LAN/WAN/SD-WAN

Network design

HLD/LLD

Documentation

Education

Cisco CCNP Enterprise (ENCOR)

Cisco Certified Specialist – Enterprise Advanced Infrastructure Implementation (ENARSI)

Cisco Certified Specialist – Designing Cisco Enterprise Networks (ENSLD)

Cisco Certified Specialist – Enterprise SD-WAN Implementation

Cisco Certified Specialist – Enterprise Wireless Design

Tools

vManage

vSmart

vBond

cEdge

Job description

Senior Network Design Engineer Cisco LAN/WAN/SD-WAN/Wireless

Experience: 7-12 Years

Role Summary

We are seeking experienced Senior Network Design Engineers with strong expertise in Cisco LAN, WAN, SD-WAN, and Wireless technologies. The resource will be responsible for producing detailed network designs and technical documentation aligned with customer-approved architecture standards and design frameworks.

The candidate should be capable of independently driving design activities, reviewing requirements, preparing HLDs and LLDs, supporting technical discussions, and providing design governance throughout the project lifecycle.

Key Responsibilities

Network Design

• Develop High-Level Designs (HLD) and Low-Level Designs (LLD)
• Translate business and technical requirements into implementation-ready network designs.
• Review customer requirements and perform design impact assessments.
• Ensure design compliance with established customer architecture and engineering standards.
• Support migration, transformation, and network refresh initiatives for the sites and offices.

Cisco LAN Design

• Design enterprise campus and branch LAN solutions.
• Design and review:
• VLAN Architecture
• STP/RSTP/MST
• EtherChannel
• HSRP
• QoS
• IPv4/IPv6
• Multicast

Cisco WAN Design

• Design WAN connectivity across multiple locations.
• Prepare routing and resiliency designs utilizing:
• OSPF
• EIGRP
• BGP
• Route Redistribution
• MPLS
• VRF-Lite
• QoS

Cisco SD-WAN Design

• Design Cisco Catalyst SD-WAN solutions.
• Create designs involving:
• vManage
• vSmart
• vBond
• cEdge Routers
• Transport Architecture
• Application-Aware Routing
• Centralized and Local Policies
• VPN Segmentation

Wireless Design

• Design Cisco enterprise wireless solutions.
• Prepare wireless design deliverables including:
• Understanding survey requirements
• Work with partner for all kinds of survey requirements
• Perform in-house predictive survey
• Wireless Controller Architecture
• SSID Design
• RF Design Principles
• Wireless Capacity Planning
• Mobility Design
• Wi-Fi 6 / Wi-Fi 6E Deployments

Documentation

• Produce:
• HLD
• LLD
• Design Review Documents
• Migration Plans
• Implementation Guides
• Topology Diagrams

Technical Skills

Cisco LAN

• Cisco Catalyst Switching Platforms
• VLANs
• STP/MST/RSTP
• EtherChannel
• HSRP
• QoS
• Multicast

Cisco WAN

• OSPF
• EIGRP
• BGP
• MPLS
• VRF
• Route Redistribution

Cisco SD-WAN

• Cisco Catalyst SD-WAN
• vManage
• vSmart
• vBond
• cEdge
• SD-WAN Policy Design
• Application-Aware Routing

Cisco Wireless

• Cisco Wireless Controllers
• Cisco Catalyst Wireless Solutions
• RF Design
• Wi-Fi 6 / Wi-Fi 6E
• Wireless Capacity Planning

Required Certifications

Mandatory

• Cisco CCNP Enterprise (ENCOR)

Preferred

• Cisco Certified Specialist – Enterprise Advanced Infrastructure Implementation (ENARSI)
• Cisco Certified Specialist – Designing Cisco Enterprise Networks (ENSLD)
• Cisco Certified Specialist – Enterprise SD-WAN Implementation
• Cisco Certified Specialist – Enterprise Wireless Design