LNT/EM-DNS/1885306
- TI-Transportation Infrastructure IC
- Faridabad
- Posted On 07 Oct 2026
- End Date 05 Apr 2027
- Required Experience10 - 15 years
Skills
Knowledge & Posting Location
Commercial Design
Minimum Qualification
Bachelor of Technology (BTech)
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)
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