Sanjay Singh Bundela
Bangalore,KA
Summary
Test Engineer with the proven ability to implement and maintain cost-effective methods of system testing and troubleshooting to reduce operating costs. Technically-savvy with the ability to quickly learn new concepts, software and equipment. A collaborative Team Player with excellent communication and interpersonal skills. Proactive Technical support specialist with experience in high pressure team environment.
Overview
9
9
years of professional experience
4
4
years of post-secondary education
2
2
Languages
Work History
Member of Technical Staff III – R&D
Mavenir Systems Pvt. Ltd.
11.2021 - Current
- Deployment of Messaging node (MaaP and RCS) on MWP and NFV platform
- Validating networking connectivity between all the MaaP nodes and doing functional and Regression testing
- Debugging of network failures
- Writing Test plan to validate the features and products from the Functional Requirement Spec
- Execute test plans to verify all aspects of the product
- Identify defects and validate resolution
- Working on debugging/log analysis of all types of IMS/RCS message flows for MaaP
- Involved in testing P2P, P2A, A2P, Pager Mode, Session Mode Call flows for different Content-Types & Multimedia messaging which includes CDR, TRL & KPI validations as well
- Preparation of HELM CHART and Config xml and heat templates for all the application PODs
- Running the performance testing and validating the memory and Cpu usage
- Creating the graph for all the running process and verifying the mem leak if any
- Closely working with Dev teams for bugs closer and dedicatedly supporting Ops and production issues
- Testing offline charging for Event and session bases scenarios for CCF product
- Hands on experience of end-to-end call flows of SMS, RCS, VOIP and SMPP in respective of messaging
- Support for Linux systems, VOIP signaling, Networking and interconnection issue
- Hands on experience on Kubernetes, docker.
Senior Quality Engineer
Qualitest India Private Ltd
01.2021 - 11.2021
- Project: Mobile core refresh Galaxy program British Telecom UK
- Prepare HLTS and then LLTS for testing
- Provide a walk-through to all the designers and architect and get the approval from them
- Performing e2e data/IMS/VOLTE testing and analyzing the Results
- Verify the End-to-end trace using MME and CNOM
- Verify the data flow between MME, SGW, PGW and PCRF
- Raising defect on ALM and taking follow-up from Project and configuration team
- Fetching the Report from ALM and sending across the clients
- Preparing the Test Exit Report
- Inbound/Outbound Voice & Data Roaming call flows, International SMS, International MMS
- SIM Provisioning and management for an eSIM
- Support Troubleshooting issues in the areas of 3GPP, VOLTE, RCS nodes and entities, Call Session Control Function (CSCF)HSS, TAS, MRF (Announcement Session)
- Worked with client issues in VOIP Platform, SBCs and troubleshoot the cases on LTE, SIP, DIAMETER and RTP
- Troubleshoot experience with the protocols like SS7, ISUP, SIP, DNS and Diameter Protocols for 4G/5G & VoLTE Network.
Advance Consultant
ALTRAN TECHNOLOGIES INDIA PVT LTD
08.2018 - 01.2021
- Expert in creation and execution of design and requirement docs for Telco Cloud Implementation (to perform activities on the network)
- Provide E2E support for multi vendors (Nokia & Ericsson) IMS Nodes in NFV Platform
- Understanding with hands on experience in Ericsson HSS, SBG, MTAS Server and OCS for Testing and Support
- Online and offline charging for PayM and PayG subscribers, validating the terrif plan, AMA records and Billing date of the month scenarios
- Have done different call scenario testing like VOLTE Registration SRVCC & VoWiFi Call flows
- Troubleshoot VOLTE call issues for different customers based on SLA
- Working on E2E test executions and Provide Voice E2E test status and plans in the project meeting
- Deep understanding in EPC interfaces over LTE Signaling protocols (s1ap, GTP-C/U, Diameter)
- Fault troubleshooting and analysis work closely with design teams and retest defect using defect management tools
- Produce and track risk-based test approaches, acceptance test objectives with detailed procedures and test stages in overall project test plan
- Analysis of high level TCs and Test planning, E2E test execution based on HLD and Provide regular and ad-hoc status reports as requested by the Test Manager
- Design and Troubleshooting experience for Core switching platform for international voice calls
- Experience in 4G, VOLTE, VO-WIFI – network architecture, flows and interfaces
- Raised, triaged and prioritized defects from in-house testing, customer usage and live defects
- Prioritized bugs through focused data collection and analysis, driving continual innovation
- Collecting CDR for all the cases and sending those files to Mediation Zone (MZ) Team for further processing
- Maintained and created product knowledge documentation for use within the test team.
Testing Engineer
Huawei Technologies Co., Ltd
01.2017 - 08.2018
- Project: Airtel Bharti Volte Project
- Review of test design and scripting
- Review of call flow in IMS with SIP Protocol
- Test case analysis and execution
- Participate in the troubleshooting for defect analysis
- Verify the issue and Analysis of IMS logs given by client
- Testing of different device under the scope of Test plan
- Diameter protocol messages such as UAR-UAA, LIR-LIA, MAR-MAA, and SAR-SAA.
Test Engineer
Ericsson Global India Services Pvt. Ltd
07.2016 - 10.2017
- Review of call flow in IMS with SIP Protocol
- Test Case analysis and execution
- Testing on SIMULATOR
- Responsibility of handling Regression, Maintenance & manual testing of Between S-CSCF to MTAS through Wireshark
- Worked with CDR Generation and Knowledge and Understanding of VOIP/IMS, SIP trucking architecture Security (TLS, SRTP or IPSEC).
RF Engineer
UNIINFO TELECOMMINICATION PVT LTD
06.2015 - 07.2016
- Analyzing RF Drive Test generated through log files and conducting Radio Frequency (RF) acceptance testing
- Handling optimization of new sites and handles problems like Call drop, interference, handover failure, antenna tilting, competitive Drive Test
- RF Survey & Drive Test Coordination
- Ability to work team handling, Co-ordination for Survey & Drive Test in Airtel (Ericsson Jaipur Rajasthan)
- Handled & manage team to utilize them for different Work
- Performing Physical optimization of the network so as to minimize coverage holes & interference
- Providing the Orientation on the basis of Hot Spot’s and clutter
- Performing Drive Test and suggest necessary correction by analyzing Log Files and Layer 3 messages.
Education
BE - Electronics and Communication Engineering
Rajiv Gandhi Proudyogiki Vishwavidyalaya
08.2011 - 05.2015
Intermediate - undefined
Govt. high. Sec. School No.1, Niwari
Matriculation - undefined
Govt. high. Sec. School No.1, Niwari
Skills
Manual Testing
Location
Bangalore
Passport
T3659167
Technicalexpertise
GSM architecture, GPRS architecture, PCRF architecture, IMS archietecture CALL/SMS/DATA/Recharge flows, SS7 Protocol, Prepaid/Postpaid (Rating & Charging,Billing), SS7, SIP, TCP/IP, CAMEL, ISUP, INAP, TCAP, MAP, DIAMETER, GTP, SIGTRAN, SNMP, SCAP, DNS, SCTP, FTP, UDP, VOIP, HTTP, XML, SMPP, SIP/SDP, Surepay (Nokia), MSC, VLR, GMSC, SMSC, HLR, GGSN, HSS, PCEF, PCRF, VoLTE, IMS, Gx, Gy, Sy, Rx, Ro, Circuit core/Packet core interfaces, SQL database query, Basics of MariaDB, Good knowledge in Unix / Linux OS and shell scripting and commands (awk, sed, grep, for loop), Wireshark (SS7&Diameter) Protocol, TCP dump, ISUP, CAMEL, INAP, SIP, HTTP, HTTP2, RTE, SMPP, SPR, eSM, HP ALM QC, QA service tool, Seetest device tool
Personal Information
- Date of Birth: 09/14/1991
- Nationality: Indian
- Marital Status: Married
Timeline
Member of Technical Staff III – R&D
Mavenir Systems Pvt. Ltd.
11.2021 - Current
Senior Quality Engineer
Qualitest India Private Ltd
01.2021 - 11.2021
Advance Consultant
ALTRAN TECHNOLOGIES INDIA PVT LTD
08.2018 - 01.2021
Testing Engineer
Huawei Technologies Co., Ltd
01.2017 - 08.2018
Test Engineer
Ericsson Global India Services Pvt. Ltd
07.2016 - 10.2017
RF Engineer
UNIINFO TELECOMMINICATION PVT LTD
06.2015 - 07.2016
BE - Electronics and Communication Engineering
Rajiv Gandhi Proudyogiki Vishwavidyalaya
08.2011 - 05.2015
Intermediate - undefined
Govt. high. Sec. School No.1, Niwari
Matriculation - undefined
Govt. high. Sec. School No.1, Niwari
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