Joyeeta Ghosh
Bengaluru
Summary
Meticulous Technical Lead strictly adheres to both client-provided technical requirements and internal business goals. Balances project prioritization to fulfill both contractual obligations and internal revenue requirements. Provides foresight and management designed to grow satisfied customer bases and revenue figures.
Overview
14
14
years of professional experience
5
5
years of post-secondary education
3
3
Languages
Work History
Technical Lead
Mobileum
09.2017 - 04.2023
- I worked into IREG role handling customers like T-Mobile USA and Cable & Wireless Puerto Rico doing end-to-end coordination with global telecom partners for testing GSM, GPRS, CAMEL, LTE, VoLTE and IoT services
- Previously, as Managed Service Engineer I have handled Test Factory (in- house product) of Mobileum and resolved associated issues of customers like Telia group, MTN group and Mobily Saudi Arabia
- Also, worked as Support Engineer to resolve customer queries and have been part of Infrastructure team to perform the maintenance activity of probes of Test Factory product which are used for global telecom testing
- Achievements:
- Achieved fast-track completion of T-Mobile USA IREG outsourcing project with extensive LTE, VoLTE and IoT testing performed within a span of 1 year and built excellent rapport with the customer in troubleshooting and resolving issues
- Achieved breakthrough on 1st Managed Services project of Mobileum for Digicel customer and created Job Descriptions for roaming portfolios
- Spearheaded 1st Managed Services customer MTN group with sheer dedication and achieved to roll the project from Test phase to commercial phase within a span of 6 months by building entire roaming services call flows and documents which are still extensively used as training documents in Mobileum
- Received the confidence of Mobily Saudi Arabia customer for 1 year leading an 8-member IREG team to manage their network campaigns and quality checks by taking lead in customer calls, resolving technical queries, and building good rapport with the customer giving them enough confidence on the Mobileum product
- Current job responsibilities:
- Perform IREG testing for GSM, GPRS, UMTS, LTE, CAMEL, VoLTE, IoT services
- Handling Managed Services operations for esteemed T-Mobile USA operator as one of the prime customers
- Also involved in IREG testing and troubleshooting for Cable & Wireless Puerto Rico, TIGO group, Telcel Mexico
- Perform IREG troubleshooting for failures related to IREG testing, especially for IMS registration, VoLTE calls, SMS cases
- Coordinating with global telecom operators for testing and troubleshooting queries with regards to IREG testing
- Interacting with roaming operators over live testing, online troubleshooting which include involvement of SS7/GRX/IPX teams, PCRF, PGW, HLR, SBC, TAS teams for VoLTE issues
- Interacting with customer on daily troubleshooting call with T-Mobile USA Engineering team.
IREG Engineer
Syniverse
08.2013 - 08.2017
- Performed end-to-end IREG testing, troubleshooting, and provided roaming testing support to telecom operators worldwide by bridging the gap between countries and acted as the sole point of contact among telecom companies
- Achievements:
- Received “Above & Beyond Award” for exemplary contribution towards T-Mobile USA Managed Services project
- Received “Above & Beyond Team Award” for leading and grooming a newly formed Managed Services team and making them capable to deliver as per team’s requirement within a span of 6 months
- I have played a pivotal role in achieving the breakthrough by launching the first ever International prepaid CAMEL commercial roaming service for Lyca Mobile UK, one of the esteemed MVNO client
- Analytical skills and industry knowledge has helped me to be selected as a member of recruitment board for MACH’s largest campus pooling drive, followed by subsequent series of technical, personal interviews and shortlisting of candidates
- As a key objective of MACH’s Behavioral Competency Model I have mentored new talent in the company and have been felicitated by “Buddy of the Quarter” award
- Job responsibilities:
- Worked with worldwide telecom roaming partners and tested on behalf of prestigious operators e.g., T-Mobile USA; Telefonica South America group (e.g., Telefonica El Salvador, Guatemala, Argentina, Panama, Chile, Peru, Uruguay, Nicaragua); Cable & Wireless network (e.g., Jamaica, Barbados), Iusacell Mexico, Bell Canada, Lyca Mobile UK
- Handled data implementation requests on behalf of Operators
- Handled SS7 signaling and GRX route establishment to SCCP carriers like BICS and GRX provider like Aicent
- Initiated sim activation request and core network configuration request to Operators through roaming documents (e.g., IR21, AA14, IR24/IR35/IR32) and sim data exchange
- Periodical follow-ups done with operators, SCCP carriers and GRX providers on timely completion of configuration requests
- Performed IREG testing (IR24, IR35, IR32/IR60, 3G, IR38 services) with operators’ sims through remote testing application SIGOS
- Analyzed failure test cases through SIGOS traces and performed relevant troubleshooting with different possible modifications in SIGOS
- Performed advanced levels of troubleshooting with telecom roaming partners by scheduling live tests and tracing sessions
IREG Engineer
MACH Teledata Solution Pvt. Ltd
05.2011 - 07.2013
- Performed IREG testing on behalf of the client with roaming partners, troubleshooted and resolved roaming related issues, established roaming services between client and roaming Partners as per the relevant SLA Fault Management
Nokia Siemens Networks
10.2009 - 03.2011
- Worked for India’s reputed client Vodafone India in FM NSS team & into Alarm Monitoring division in NSN GNOC, Chennai
- Handled NSS Fault Management operations for commercially live circles e.g., ROB (Rest of Bengal), Maharashtra, Chennai, Tamil Nadu, Gujarat
- Performed active alarm monitoring, analysis, and alarm clearance as part of 24
- 7 NOC team
- Coordinated with network MSC/Switch, VAS, STP, BSC teams and respective Vodafone India circles for alarm escalation, troubleshooting and alarm clearance
- Handled POI, NLD, NGN, BSC, Inter-MSC signaling links outage cases and involved in cause analysis with continuous monitoring effective till resolution
- Clear Code, Processor Load Monitoring and Escalation management for the same with root cause analysis
- Raw CDR’s cut-off in core nodes like MSC, GMSC, MSS for all Vodafone pan-India circles
- Coordination with Vodafone Mediation/Measurements team and handling proper escalation of charging / OMU units malfunctioning with them
- Performed Fallback up & MOD backup of network nodes
- Worked on BMC Remedy User’s PT4 Ticketing System for Trouble Ticket and Work Order creation and escalation to respective teams
- Ensured smooth planned activity outages for Software upgradation of Release versions of network elements, changing of faulty units e.g., Charging unit, OMU, planned switchovers of units
- Health checkup of all network elements node
- Handled customer complaints effectively within the stipulated SLA time with proper escalation to respective teams
Education
B. Tech - Computer Science, Computer Science Engineering
Dr. MGR University
05.2004 - 05.2008
12th -
Central Model School
04.2003 - 04.2004
Skills
Technical SkillsProficient working knowledge and application on IMS architecture, IMS call flows, PCRF, PGW, HLR, SBC, TAS nodes for VoLTE issues and SIP, DIAMETER protocols for troubleshooting techniquesExtensive working knowledge of LTE architecture, LTE call flows, MME, HSS, SGW, PGW, troubleshooting techniques for IR38 test casesAdvanced working knowledge of Keynote GlobalRoamer SIGOS starting from Test scheduling, automation, use of in-built macros and GSMA defined IREG test cases for performing roaming test casesAlso worked on Mobileum’s Test Factory product for managed service customers like MTN group, Mobily Saudi Arabia, Telia groupExtensive knowledge of Wireshark, NetScout, Tektronix tools for troubleshooting failed roaming test casesKnowledge on how to read MAP, CAP, DIAMETER, GTP, SIP protocol traces, analyze the roaming call flow and understand the failure point to escalate and troubleshoot the problemKnowledge of Salesforce, Service Now and BMC Remedy tools for service ticket tracking and IREG performance trackingWorked on remote Infrastructure maintenance of probes of Test Factory by performing coordination with Data Centers, executing SQL commands to troubleshoot and recover functionality of probesSoft skills: Excellent communication, committed and have clear solution-based approach with clarity of thought and leadership qualities
Mentorship and coaching
Strategic planning design
Customer relationship management
Support structure analysis
Testing and maintenance
Technical Analysis
Timeline
Technical Lead
Mobileum
09.2017 - 04.2023
IREG Engineer
Syniverse
08.2013 - 08.2017
IREG Engineer
MACH Teledata Solution Pvt. Ltd
05.2011 - 07.2013
Nokia Siemens Networks
10.2009 - 03.2011
B. Tech - Computer Science, Computer Science Engineering
Dr. MGR University
05.2004 - 05.2008
12th -
Central Model School
04.2003 - 04.2004