Subramaniswami MuthuKrishnan

Network Services Assurance Professional with 5+ years of experience in broadband, IPTV, and VoIP service delivery. Skilled in Huawei and Nokia ONT/ONU configuration, LAN/WAN support, Static IP setup, VLAN mapping, routing, and connectivity troubleshooting. Experienced in handling service tickets through ServiceNow, CRM, Netcracker, Amdocs, performing service validation, and coordinating with Field Engineers and NOC teams for timely issue resolution.

Knowledge of FTTP planning, GPON, OTDR basics, and fiber light-level validation. Strong troubleshooting, technical documentation, and customer support skills.

Senior Process Associate - TATA CONSULTANCY SERVICES - Pune

(2025-05)

Engineer – Consumer & Enterprise Service Fulfillment & Assurance

• Performed end-to-end activation and provisioning of Broadband, IPTV, and VoIP services for Consumer and Enterprise customers.
• Managed new service activations, amendments, relocations, and update orders through CRM and telecom provisioning Platforms.
• Created and provisioned customer service circuits for Broadband, IPTV, and VoIP service delivery. Performed port availability checks, ONT connectivity validation, pre-wired verification, and OLT/ONT port mapping before service activation.
• Configured and provisioned Huawei and Nokia ONTs using U200 and HDM, including VLAN tagging, WAN profiles, voice parameters, and bridge mode settings.
• Executed PPPoE, DHCP, Static IP, QoS, IGMP Multicast, and SIP profile configurations based on customer requirements. Performed IP addressing, subnet mapping, gateway configuration, routing validation, NAT, and firewall checks.
• Utilized NetCracker, Amdocs UVP, AAA, and AMS tools for service provisioning, authentication, IP management, and order processing. Performed session creation, session validation, and end-to-end service testing to ensure successful service activation.
• Troubleshot circuit failures, session issues, LOS/LOF alarms, VLAN mismatches, SIP registration failures, ONT faults, routing errors, and IP conflicts. Coordinated with Field Engineers and NOC teams for fiber installation, ONT registration, light level verification, port mapping, service testing, and fault resolution.
• Monitored service assurance activities including latency, packet loss, IPTV performance, and VoIP call quality during the initial service period. Performed final activation validation, work order closure, and order lifecycle management while ensuring SLA compliance.
• Completed order closure through Dynamic FSA and Servicenow after obtaining field engineer confirmation and validating required documents, including ONT serial details, service working evidence, customer signature, address proof, and installation records.

Associate Customer Support - TECH MAHINDRA - Chennai

(2023-08 - 2025-05)

• Performed FTTP/FTTC commissioning, service provisioning, and customer order fulfillment activities. Validated ONT registration, VLAN mapping, port allocation, circuit routing, and service readiness for successful activations.
• Coordinated with Planning and Field Teams for network readiness, route feasibility, resource allocation, and commissioning support.
• Supported network planning activities including capacity checks, design validation, GIS record maintenance, and cable laying permit documentation.
• Prepared job packs and maintained As-Built records, route updates, cable reallocations, and network documentation. Utilized PIPER ArcGIS, Geo HUB, ORAIN, SRIMS, and LLUMS tools for circuit validation, provisioning support, and infrastructure verification.
• Performed NAD pushing, ONT provisioning, commissioning validation, and Headend CRF releases for broadband order completion.
• Ensured accurate network records, service delivery compliance, and successful customer activation.
• Prepared BOMs and validated Fiber optic cables, patch cords & panels, splitters, OLT/ONT equipment, network and cable management components using PIPER ArcGIS, Google Earth Pro, Geo HUB, ORAIN, and planning tools.

Engineer ORT - TEAMLEASE SERVICE LTD (BHARTI AIRTEL)

(2022-07 - 2023-08)

• Provided L2 technical support for Broadband, IPTV, VoIP, and Enterprise customers, ensuring timely issue resolution and service continuity.
• Configured and troubleshot ONTs, routers, and CPE devices including Nokia, Huawei, ZTE, Sercomm, Netgear, and D-Link models.
• Performed ONT activation, registration verification, VLAN configuration, port forwarding and Opening WAN setup, PPPoE configuration, and service validation using IOT AMS, NIAM, PuTTY
• Diagnosed and resolved customer issues related to internet connectivity, Wi-Fi performance, IPTV, VoIP, Static IP, routing, and service provisioning. Conducted network diagnostics using Ping, Traceroute, DNS Lookup, and OLT monitoring tools to identify root causes and restore services
• Supported field engineers with ONT verification, router configuration, fiber testing, and service activation activities, Hands On Experience tools TeamViewer & AnyDesk, ServiceNow
• Created and escalated technical tickets to TAC Team and backend teams for complex network, hardware, and service-related issues. Coordinated with NOC, TAC, and Service Assurance teams for incident resolution, RCA documentation, and SLA compliance.

NETWORK ENGINEER - ATRIA CONVERGENCE TECHNOLOGIES LIMITED

(2021-05 - 2022-07)

• Worked on GPON, FTTH, and FTTP networks, supporting service installation, activation, and fault restoration activities.
• Performed fiber diagnostics using OTDR and Power Meter to identify signal loss, fiber breaks, and connectivity issues. Executed fiber splicing, jointing, and restoration activities to ensure timely service recovery and network availability.
• Installed, configured, and troubleshot ONTs, routers, and customer premises equipment (CPE) for broadband service delivery.
• Resolved LAN/WAN, Wi-Fi, routing, and customer connectivity issues through onsite troubleshooting and service validation.
• Supported switch and router configuration, including VLAN setup, port assignment, and basic routing requirements.
• Maintained fiber distribution networks, distribution points, hubs, and access infrastructure to support service continuity.
• Coordinated with NOC and Operations teams by providing field test results, OTDR test reports, restoration updates, and closure reports for escalated incidents.

Bachelor of Computer Application - Computer Application - Thiruvalluvar University (2017-06 - 2020-10)