Engineering Manager - IP/MPLS Data Networking

Larsen & Toubro Ltd

Faridabad District

On-site

INR 2,200,000 - 3,800,000

Full time

14 days+

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Job summary

Larsen & Toubro Ltd is seeking an IP/MPLS Routing & Data Networking Designer to design, engineer and implement IP/MPLS-based networks for railway, transportation and critical infrastructure projects, including FRMC S5G Radio System backbone. You will develop architectures, routing designs, security-compliant solutions and thorough technical documentation.

The role covers end-to-end network design, testing support, and collaboration with Signalling, Telecom and customer teams to ensure high

Qualifications

Bachelor's degree in Telecommunications Engineering, Electronics & Communication Engineering, Computer Science or IT.
10–15 years of IP/MPLS and data networking design experience.
Experience on railway, metro, transportation or critical infrastructure projects preferred.
Exposure to major vendors such as Cisco, Nokia, Juniper, Huawei, Alcatel-Lucent.

Responsibilities

Develop end-to-end IP/MPLS network architectures for railway and infrastructure projects.
Design Layer 2/3 topologies; prepare routing and switching designs.
Create high-availability, secure network solutions with redundancy.
Document MPLS VPNs, VPN services and SR-MPLS where applicable.
Define QoS, traffic engineering and bandwidth requirements.
Support FAT/SAT, review routing tables, and assist troubleshooting.
Coordinate with Signalling, Telecom, system integrators, and customers.

Skills

Network Architecture

Analytical Skills

Technical Documentation

Stakeholder Management

Communication

Team Collaboration

Project Delivery

HLD

LLD

IP Addressing

Routing Diagrams

MPLS Design

Redundancy Strategy

FAT/SAT Reports

Education

Bachelor's degree in Telecommunications Engineering / Electronics & Communication Engineering / Computer Science / Information Technology

Tools

Cisco

Nokia

Juniper

Huawei

Alcatel-Lucent

Job description

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: MPLS MPLS-TP Segment Routing (SR-MPLS) (where applicable) VPN services (L2VPN/L3VPN).
- Configure and validate routing protocols: OSPF IS-IS BGP Static Routing.
- Develop QoS strategies for mission-critical applications.
- Define 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: SCADA CCTV PA/PIDS AFC Signalling systems Data centres Technical Documentation.
- Prepare: Network Design Documents (NDD) Detailed Design Documents (DDD) Interface Control Documents (ICD) Method Statements Configuration Guidelines FAT/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 62443 ISO 27001 NIST 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

Experience 10-15 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 Mandatory

IP/MPLS Network Design OSPF IS-IS BGP MPLS L2VPN/L3VPN Ethernet Networking VLAN and VRF Design QoS Design TCP/IP Protocol Suite Network Redundancy and High Availability
Preferred Segment Routing (SR-MPLS) MPLS-TP SDN Solutions IPv6 Network Management Systems (NMS) Cybersecurity for Critical Infrastructure Data Center Networking Certifications (Preferred) CCNP Enterprise CCIE Enterprise Infrastructure Nokia NRS I / NRS II JNCIP-SP / JNCIE-SP ITIL Foundation IEC 62443 Cybersecurity Certification

Key Competencies