[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Larsen & Toubro jobs](https://jobs.opennash.com/companies/larsen-toubro/) · [Search jobs](/search/) Larsen & Toubro · India>Haryana>Faridabad # Engineering Manager -IP-MPLS Data Networking system India>Haryana>Faridabad Manager or lead Data & Analytics Listed on Larsen & Toubro’s official careers site. Posted October 7, 2026. Check that it is still open and apply there. [Apply on Larsen & Toubro’s careers site →](https://larsentoubrocareers.peoplestrong.com/job/detail/LNT_EM-DNS_1885306) [OpenNash Jobs](https://jobs.opennash.com/) / [Larsen & Toubro](https://jobs.opennash.com/companies/larsen-toubro/) / Engineering Manager -IP-MPLS Data Networking system ## Job description #LI-DNI Lead Designer - IP/MPLS Routing & Data Networking (BTN, GE, SDH/PDH/FOTS)DepartmentEngineering - Telecommunications (S&T) / Telecom DesignReporting ToEngineering Manager / Lead Telecom ArchitectJob SummaryThe 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 ResponsibilitiesNetwork Design & EngineeringDevelop end-to-end IP/MPLS network architectures for railway and infrastructure projects.Design Layer 2 and Layer 3 network topologies including: Core networksDistribution networksAccess networksData center connectivityPrepare routing and switching designs using industry best practices.Design high-availability and resilient network solutions with redundancy mechanisms.IP/MPLS & Routing DesignDesign and document:MPLSMPLS-TPSegment Routing (SR-MPLS) (where applicable)VPN services (L2VPN/L3VPN)Configure and validate routing protocols:OSPFIS-ISBGPStatic RoutingDevelop QoS strategies for mission-critical applications.Define traffic engineering and bandwidth management requirements.Data NetworkingDesign 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 systemsData centresTechnical DocumentationPrepare: Network Design Documents (NDD)Detailed Design Documents (DDD)Interface Control Documents (ICD)Method StatementsConfiguration GuidelinesFAT/SAT ProceduresDevelop network schematics, routing diagrams, and rack layouts.Testing & Commissioning SupportSupport 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 & ComplianceImplement network security best practices.Support compliance with:IEC 62443ISO 27001NIST Cybersecurity FrameworkDesign secure remote access and network access controls. Stakeholder CoordinationCollaborate with: Signalling teamsTelecom teamsSystem integratorsCustomers and consultantsReview vendor proposals, technical submittals, and design deliverables. Required QualificationsBachelor's Degree in: Telecommunications EngineeringElectronics & Communication EngineeringComputer Science /Information TechnologyExperience10–15 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: CiscoNokiaJuniperHuaweiAlcatel-LucentTechnical SkillsMandatoryIP/MPLS Network DesignOSPFIS-ISBGPMPLS L2VPN/L3VPNEthernet NetworkingVLAN and VRF DesignQoS DesignTCP/IP Protocol SuiteNetwork Redundancy and High AvailabilityPreferredSegment Routing (SR-MPLS)MPLS-TPSDN SolutionsIPv6Network Management Systems (NMS)Cybersecurity for Critical InfrastructureData Center NetworkingCertifications (Preferred)CCNP EnterpriseCCIE Enterprise InfrastructureNokia NRS I / NRS IIJNCIP-SP / JNCIE-SPITIL FoundationIEC 62443 Cybersecurity CertificationKey CompetenciesNetwork Architecture DesignAnalytical Problem SolvingTechnical DocumentationDesign Review & VerificationStakeholder ManagementCommunication SkillsTeam CollaborationProject Delivery FocusDeliverablesHigh-Level Design (HLD)Low-Level Design (LLD)IP Addressing PlanRouting Design DocumentsMPLS Design DocumentsNetwork Topology DiagramsRedundancy and Failover StrategyFAT/SAT ReportsAs-Built DocumentationLocation: Faridabad – Delhi NCREmployment Type: Full-TimeLevel: Designer / Senior Designer / Lead Designer (depending on experience) ## Qualifications Bachelor of Technology (BTech) ## At a glance - Posted by the employer: Oct 7, 2026 - First seen by OpenNash: Oct 12, 2026 - Last checked: Oct 19, 2026 - Listed for: 12 days - Location: India>Haryana>Faridabad[Apply on Larsen & Toubro’s careers site →](https://larsentoubrocareers.peoplestrong.com/job/detail/LNT_EM-DNS_1885306) ## More jobs at Larsen & Toubro ### [Ballast less Track Designer](https://jobs.opennash.com/companies/larsen-toubro/jobs/9e746f180427ca10d2ef/) India>Haryana>Faridabad ### [Civil Engineer for Construction Method Planning](https://jobs.opennash.com/companies/larsen-toubro/jobs/6848b341fa2d6b85402a/) India>Haryana>Faridabad ### [Depot Layout Engineer](https://jobs.opennash.com/companies/larsen-toubro/jobs/a655e258ee9d4738846b/) India>Haryana>Faridabad ### [Design Engineer layout & construction design](https://jobs.opennash.com/companies/larsen-toubro/jobs/953967fce9853b439108/) India>Haryana>Faridabad ## Similar jobs at other companies ### [Senior Software Engineer - Networking Datapath (L3/MPLS Forwarding)](https://jobs.opennash.com/companies/hewlett-packard-enterprise/jobs/8d90b6364378d401c5f1/) Hewlett Packard Enterprise · Bengaluru, Karnātaka, India ### [Software Engineering Technical Leader - Customer Experience / SDK - L2/L3, MPLS](https://jobs.opennash.com/companies/cisco-systems/jobs/fc13927b8ad9c590da40/) Cisco Systems · Bangalore, India ### [Solution Architect Networking | HPE Aruba Capelle aan den IJssel, Zuid-Holland Capelle aan den IJssel, Zuid-Holland DEVELOPMENT / CONSTRUCTION / PROJECT MANAGEMENT|ENGINEERING / DESIGN STUDIES / METHODS DEVELOPMENT / CONSTRUCTION / PROJECT MANAGEMENT|ENGINEERING / DESIGN STUDIES / METHODS Permanent](https://jobs.opennash.com/companies/vinci/jobs/e10080c7e3d959281d5f/) VINCI · Capelle aan den IJssel, Zuid-Holland ### [Solution Architect Networking Capelle aan den IJssel, Zuid-Holland Capelle aan den IJssel, Zuid-Holland DEVELOPMENT / CONSTRUCTION / PROJECT MANAGEMENT|IT / IT SYSTEMS|ENGINEERING / DESIGN STUDIES / METHODS DEVELOPMENT / CONSTRUCTION / PROJECT MANAGEMENT|IT / IT SYSTEMS|ENGINEERING / DESIGN STUDIES / METHODS Permanent](https://jobs.opennash.com/companies/vinci/jobs/41489095a43a833bb9de/) VINCI · Capelle aan den IJssel, Zuid-Holland OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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