#LI-DNI Lead Designer - IP/MPLS Routing & Data Networking (BTN, GE, SDH/PDH/FOTS)Department

Engineering - Telecommunications (S&T;) / Telecom Design

Reporting ToEngineering Manager / Lead Telecom Architect

Job Summary

The IP/MPLS Routing & Data Networking Designer is responsible for the design, engineering, configuration strategy, and implementation support of IP/MPLS-based communication networks for railway, transportation, metro, Semi high speed and High-speed rail Projects and critical infrastructure projects that involves supporting the FRMC S5G Radio System backbone.

The role involves developing network architectures, routing designs, redundancy schemes, cybersecurity-compliant solutions, and technical documentation to ensure high availability, scalability, and reliability of operational and enterprise communication systems.

Key Responsibilities

Network Design & Engineering

Develop end-to-end IP/MPLS network architectures for railway and infrastructure projects.

Design Layer 2 and Layer 3 network topologies including: Core networks

Distribution networks

Access networks

Data center connectivity

Prepare routing and switching designs using industry best practices.

Design high-availability and resilient network solutions with redundancy mechanisms.IP/MPLS & Routing Design

Design and document:MPLSMPLS-TPSegment Routing (SR-MPLS) (where applicable)VPN services (L2VPN/L3VPN)Configure and validate routing protocols:OSPFIS-ISBGPStatic Routing

Develop QoS strategies for mission-critical traffic engineering and bandwidth management requirements.

Data Networking





Design Ethernet-based communication systems.

Define VLAN, VRF, subnetting, and IP addressing plans.

Develop network segmentation and security zoning.

Ensure integration of telecom subsystems such as:SCADACCTVPA/PIDSAFCSignalling systems

Data centres

Technical Documentation

Prepare: Network Design Documents (NDD)Detailed Design Documents (DDD)Interface Control Documents (ICD)Method Statements

Configuration GuidelinesFAT/SAT Procedures

Develop network schematics, routing diagrams, and rack layouts.

Testing & Commissioning Support

Support Factory Acceptance Tests (FAT).

Support Site Acceptance Tests (SAT).

Review routing tables, failover testing, and performance results.

Participate in troubleshooting and root-cause analysis activities.

Cybersecurity & Compliance

Implement network security best practices.

Support compliance with:IEC 62443ISO 27001NIST Cybersecurity Framework

Design secure remote access and network access controls.

Stakeholder Coordination

Collaborate with: Signalling teams

Telecom teams

System integrators

Customers and consultants

Review vendor proposals, technical submittals, and design deliverables.

Required Qualifications

Bachelor's Degree in:



Telecommunications Engineering

Electronics & Communication Engineering

Computer Science /Information Technology

Experience10–15 years of experience in IP/MPLS and data networking design.

Experience in railway, metro, transportation, utility, or critical infrastructure projects preferred.

Experience with major vendors such as: Cisco

Nokia

Juniper

Huawei

Alcatel-Lucent

Technical Skills

MandatoryIP/MPLS Network DesignOSPFIS-ISBGPMPLS L2VPN/L3VPNEthernet NetworkingVLAN and VRF Design

QoS DesignTCP/IP Protocol Suite

Network Redundancy and High Availability

Preferred

Segment Routing (SR-MPLS)MPLS-TPSDN SolutionsIPv6Network Management Systems (NMS)Cybersecurity for Critical Infrastructure

Data Center Networking

Certifications (Preferred)CCNP EnterpriseCCIE Enterprise Infrastructure

Nokia NRS I / NRS IIJNCIP-SP / JNCIE-SPITIL FoundationIEC 62443 Cybersecurity Certification

Key Competencies

Network Architecture Design

Analytical Problem Solving

Technical Documentation

Design Review & Verification

Stakeholder Management

Communication Skills

Team Collaboration

Project Delivery Focus

Deliverables

High-Level Design (HLD)Low-Level Design (LLD)IP Addressing Plan

Routing Design DocumentsMPLS Design Documents

Network Topology Diagrams

Redundancy and Failover StrategyFAT/SAT Reports

As-Built Documentation

Location: Faridabad – Delhi NCREmployment Type: Full time

Level: Designer / Senior Designer / Lead Designer (depending on experience)

📌 Engineering Manager -IP-MPLS Data Networking system (India)
🏢 Larsen and Toubro
📍 India