Supriyo Maitra

Experience

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  Videsh Sanchar Nigam Limited, Mumbai

  Nov 2007 - Nov 2008

  Graduate Engineering Trainee

  • End to end Provisioning of Voice & Enterprise Customer Circuit across Transmission networks using Tata Communication NLD, ILD, MAN network as well as assistance to End to End Testing, Circuit Commissioning.

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  Tata Communications

  Dec 2008 - Feb 2015

  • Shouldered the responsibilities of EOS / ETH / E1 / E3 / DS3 / STM-1, STM-4, STM-16, STM-64 level bandwidth circuit provisioning, Node addition / insertion / deletion, topology creation, stability testing, SNCP, MSP testing, Mux management, performance management, DCC & gateways management, Circuit restoration and alarm management of entire transmission network.• Oversaw and drove back-office provisioning of service delivery including on net/ offnet feasibility, access networks and customer order provisioning.• Had driven system & process improvement projects to ensure timely & cost-effective provisioning of orders in NLD and MAN networks.• Ensured availability of inventory of network systems and bandwidth in provisioning on networks, analysing need for capacity augmentation/ optimization to address capacity crunch in networks. Plans, organizes, and directs all operations with respect to installation support, network service and major moves.• Guided and mentored team to provision the network to ensure the customer connectivity in agreed time and supervised hand over to project implementation/ PM team.• Worked for change management initiatives, made change requests to Change Control Board and monitored change processes and IT initiatives within to ensure delivering a tested active service layer to the customer on time at optimal costs to the organization and focused on continuous improvement.• Provided technical expertise, business planning and workflow management for ensuring smooth integration of network and system solutions/network improvement. Ensured that all installation functions are performed in a timely fashion to meet customer specifications. Show less • Preparing plans for new network augmentation carrying LIVE traffic, planning and execution (PE) for traffic migration & Execution of Engineering Order Requests (EORs) for Capacity up gradation of links from STM-1 (or STM-4) to STM-4 (or STM-16) & STM-16 to STM-64 thereby, avoiding network congestion, & Insertion new Network Elements in exists rings onto NMS.• Handing-over the services to the end customers by provisioning, configuring, and testing the bandwidth on the network, providing RFOs for circuit-testing failure, network issues, and so on. Show less

  • Assistant Manager (Lead) Service Delivery NOC

    Apr 2012 - Feb 2015

  • Senior Executive Networks

    Apr 2010 - Mar 2012

  • Executive Networks

    Dec 2008 - Mar 2010
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  Tata Communications Transformation Services (TCTS)

  Mar 2015 - Jul 2016

  Manager- Service Assurance

  • Led SOC (Service Operation Centre) Team of 6 members – handling TTML network- Mumbai- Maharashtra Circle & taking care of all Enterprise Customer Link Fault restoration as per defined SLA.• Collaborated with cross-functional team including Transmission NOC, IP/ MPLS NOC, and Field Operations & Customer Relationship Manager and externally with various national / international carriers, vendor, and TAC support along with internal and external escalation for maintaining TAT as per defined escalation matrix.• Confirmed reactive and proactive trouble ticket handling (For Platinum Category Customer) and Network Event Monitoring & proactive health check-up. Ensured handling customer tickets and updating MTTR & Quality to all customers incidents.• Resolved Enterprise & Carrier circuit incidents from 64K to 10G in TX & IP networks Updating TTs in Remedy/ CRM and provided RFO (Reason for outage) as per relevant guideline & template, analysed each TT with proper RCA (Root cause analysis) and PCA (Permanent corrective action) to avoid repetitive failures.• Improved Customer CSAT score to satisfactory target level reducing repetitive faults analysing with Problem Management Team and providing fix and relevant protection of failure sections at local MAN rings & as well as in NLD path as well as other configuration fix at data network. Show less

• 

  Infosys

  Jul 2016 - Jan 2019

  Market Segment: B2BVertical: TelecomProduct: VPLS, VPRN, DIAClient: Century Link (aka Level 3 Communications)Region: USA & North Americas• Played role for Planning, Scheduling, & Migrating off net IP/ MPLS Layer 2 VPN, Layer-3 VPN, VPLS, DIA services to On net network of client Century Link, USA (which is one of the largest ISP of USA/ NA) own or acquired network as a part of revenue benefit by cost saving for which MOP (Method of Procedure) preparation of services before migration, GCR (Global change Request) creation & submission – coordinating with US/NA customers, Services migration as a part of Global Change Management, during downtime of customer provided in coordination with customer & off net/ partner service provider.• Role included mentoring & assisting team members in resolving technical problems, sharing knowledge, and adhering to quality processes, handling on boarding- off boarding, performance management, enabling internal & external training programs, R&R programs etc.• Created project timetable of phases & timelines of migration scheduling & completion / rescheduling activities. Tabulated and assessed current and potential change management issues (failure reason assessments, rescheduling etc.) Show less • Prime responsibility included designing of Groom Network Path (Old vs. New Route, Hot cut/ Parallel Path) Planning, scheduling & performing the groom in MPLS L2, L3 VPN network within PE window as a part of off net to on net migration project & clean up old path post successful migration of services.• Key role involved as Configuration and troubleshooting MPLS L2/L3 VPN circuits, identifying latency/ packet drop issues, routing loops, hardware limitations and hence timely resolution in coordination with onsite Client NOC and TAC team.• Liaised with onsite Client, customer, vendor, and field technicians during migration. Show less

  • Senior Consultant - Infrastructure Management

    Apr 2018 - Jan 2019

  • Consultant - Infrastructure Management

    Jul 2016 - Mar 2018
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  Tech Mahindra

  Feb 2019 - now

  Market Segment: B2BVertical: TelecomProduct: SD WAN- Cisco, VMware, Fortinet, Palo Alto Prisma, Edge- HPE ArubaClient: British Telecom (BT) Global / BT BusinessRegion: Europe• Presently working as B2B Portfolio Solution Architect for Value IT/ Hybrid Strategic Architecture in Digico / OB program for Edge- HPE Aruba LAN products enhancements.• Architected Value IT Hybrid System stack for VMware SD WAN Product aligning with the CIO strategy reviewing with Principal Solution Architect in Digico program and launched the minimum marketable product (MMP) and enhancing pathfinder solutions of other variants of SD WAN vendors like Fortinet, Palo Alto Prisma along with VMware variant.• Successfully launched VMware SD WAN Product’s features like- SASE, SD WAN Client, EFS, ENI, IOT. Solutions proposed includes Product Model’s Attribute build, License SKU inclusion in Product Metadata, Pricelines/Costlines ruleset configuration, Quoting & inventory system build, Billing enablement, Workflow Orchestrator Line Items build and exposure towards downstream systems.• Being Lead Solution Architect for VMware SD WAN product working closely with Proposition Owner, Business Analyst, Product Lines, Portfolio Development Manager to assess feasibility from system solution development impact and effort prospective and prioritizing the feature launch and capability enhancement of system stack enabling BT with faster launch of the newly introduced product feature by Vendor.• Led Solution Designer for BT Global team and designing solutions for Cisco SD WAN product at BSS & OSS both domains as well as acted as Service Solution Designer-driving, proposing & designing High Level End to End Solutions (HLD) engaging business, product lines, operations & platform/ component design stakeholders for Cisco SD WAN Product domain in BT Global DyNS Portfolio across learn, buy, get, use, pay & support journeys (i.e. across C2M->L2C->T2R). Show less Market Segment: B2BVertical: TelecomProduct: Connect Cisco SD WANClient: British Telecom (BT) GlobalRegion: Europe• Architected, designed and delivered high level solutions for major enhancement programs of Cisco SD WAN product specifically framework builds (Provide, Modify, Cease, In Flight Cancel/ Amend, Move scenarios) for different Cascaded & Non- Cascaded network topologies of Cisco SD WAN Overlay with different underlay products (Internet Connect Global, IP Connect Global, Offstack), Use cases like- SD WAN Service Management only (SSMO) solutions, Customer Owned Controller adaption to BT Managed solution in phased manner, Feature builds (e.g. Cisco's Tier Based, ala-carte, subscription based License modelling), CPE evergreening (New Catalyst series Router model launches), & other system rationalization & other integrations in Common Service Platform (CSP) stack systems across BSS & OSS system domains.• As an E2E Solution Designer acted as interfacing business stakeholders and network designer to understand various functionalities and journeys of Connect Cisco SD WAN product and converting the requirements concept into High Level Solutions in OSS domain.• Understanding the business requirement (SOR) by Sales/ Product, participating & presenting the Blueprint at Design round table meet with cost analysis, coordinating with Product Lines, SDA, Operational users, system component stakeholders and finally producing designed High-Level Solution (HLD), corresponding artefacts (Use Cases, Sequence diagrams, Delta Designs etc) were the prime job role areas.• Responsibilities included to run CA/ CFT with Global Architect at Product space, Platform architects for each journey area & component designers to shape the High-Level Solution (with focus on Nw/OSS domains) into Low Level design (LLD) for Network & Service Platform (NSP) within Release Cycle. Show less

  • Solution Designer

    Apr 2021 - now

  • Associate Solution Designer

    Feb 2019 - Mar 2021