Engineering Manager -Telecom Maintenance & Management System

#LI-DNI - Old TAR - LNT/EM-M-MS/1803913 The TMMS & VoIP System Designer is responsible for the design, engineering, integration, testing, and maintenance support of Telecommunications Maintenance Management Systems (TMMS) and Voice over Internet Protocol (VoIP) systems for railway, metro, airport, and infrastructure projects. The role ensures reliable communication, centralized monitoring, fault management, and maintenance of telecom systems in compliance with project specifications and industry standards. Suitable for Railway, Metro, Airport, Data Centre, and Critical Infrastructure Telecommunication Projects.Key Responsibilities -TMMS Design & EngineeringDevelop Telecom Maintenance Management System architecture and design.Define monitoring and control requirements for telecom subsystems.Design interfaces between TMMS and telecom systems, including:CCTVPA/PIDSTelephone SystemsRadio SystemsTransmission NetworksAccess Control SystemsNetwork EquipmentUPS SystemsDevelop alarm management and event logging functionalities.Configure SNMP-based network monitoring and management solutions.Prepare telecom asset management databases and maintenance workflows.VoIP System DesignDesign IP-based telephony architecture and network topology.Define SIP-based communication requirements.Configure and integrate:IP-PBX SystemsSIP ServersMedia GatewaysVoIP PhonesSoftphonesVoice Recording SystemsDevelop dial plans, numbering schemes, and call routing strategies.Ensure interoperability with legacy telephone systems and emergency communication systems.Integration & Interface ManagementCoordinate with signalling, SCADA, AFC, ICT, and telecom teams.Define interface requirements between TMMS, VoIP, and other railway systems.Support integration activities during system implementation and commissioning.Resolve communication and network interoperability issues.Testing & CommissioningPrepare Factory Acceptance Test (FAT) procedures.Support Site Acceptance Testing (SAT).Conduct functionality, performance, and redundancy testing.Verify alarm reporting, fault management, and call quality requirements.Support troubleshooting during commissioning and operations.DocumentationPrepare and maintain:System Design Documents (SDD)Telecom Architecture DrawingsInterface Control Documents (ICD)Network DiagramsBill of Materials (BOM)Configuration DocumentsTesting Procedures and ReportsOperation & Maintenance ManualsCompliance & QualityEnsure compliance with project specifications and telecom standards.Follow cybersecurity requirements for telecom and IP-based systems.Support RAMS activities and system reliability assessments.Participate in design reviews and audits.Educational QualificationEssentialBachelor's Degree in:Electronics & Communication EngineeringTelecommunications EngineeringPreferredMaster's Degree in Telecommunications, Networking, or Systems Engineering.ExperienceDesigner / Engineer8-15 years of experience in telecom system design and integration.Experience in railway, metro, airport, smart city, or infrastructure projects preferred.Senior Designer / Lead Engineer8+ years of experience in telecom systems engineering.Experience in managing telecom design and integration activities.Technical SkillsTMMSTelecom Maintenance Management SystemsNetwork Management Systems (NMS)Fault Management Systems (FMS)SNMP Monitoring and ConfigurationAlarm and Event ManagementAsset Management SystemsVoIPIP Telephony ArchitectureSIP ProtocolRTP/RTCPVoIP Network DesignIP-PBX SystemsSession Border Controllers (SBC)Voice Recording SystemsEmergency Telephone SystemsNetworkingTCP/IPVLANVPNEthernet SwitchingRouting ProtocolsCybersecurity FundamentalsNetwork Redundancy DesignKnowledge of StandardsITU-T RecommendationsIEEE 802.3 Ethernet StandardsSIP (RFC 3261)IEC 62443 Cybersecurity StandardsISO 27001 Information SecurityEN 50121 (EMC for Railways)EN 50126 (RAMS)IEC 61375 (where railway network integration is required)Preferred ToolsCisco Unified Communications Manager (CUCM)AVAYA IP OfficeUnify/OpenScape3CXAsteriskWiresharkSolarWinds NMSPRTG Network MonitorManageEngine OpManagerAutoCADVisioDOORS / PolarionKey CompetenciesTelecom System EngineeringVoIP Network DesignTroubleshooting and Problem SolvingTechnical DocumentationStakeholder ManagementInterface CoordinationCommunication SkillsQuality and Compliance FocusTypical DeliverablesTMMS Architecture and Configuration DocumentsVoIP System Design DocumentsInterface Control Documents (ICD)Network Architecture DrawingsIP Addressing PlansDevice Configuration SheetsAlarm & Event Mapping MatrixFAT/SAT Procedures and ReportsO&M ManualsAs-Built Documentation