Bhushan Patil
Telecom Tech Leader -QA
Yelahanka, Bangalore
Summary
With over 13 years of dedicated experience in the telecommunications industry, I have established myself as a seasoned QA professional with a profound understanding of diverse telecom networks, signaling nodes, and protocols. Through my expertise, I have navigated through various telecom landscapes, contributing significantly to the enhancement and optimization of quality assurance processes.
Overview
13
13
years of professional experience
Work History
Tech Lead QA
Rakuten Symphony India
07.2023 - Current
Project: RIC [ RAN Intelligent Controller] for 4G and 5G RAN network.
- Currently, I oversee the entire RAN Intelligent Controller [5G-ORAN] project as the QA lead, managing a team of 6 QA and DevOps professionals.
- My responsibilities encompass end-to-end test cycle management, including planning, execution, and reporting.
- Responsible for creating project network diagrams as per QA and site environments, and various reports. Moreover, I define the scope of RIC for functional, automation, and performance testing, ensuring thorough validation of system functionalities.
- Implemented robust QA processes within the QA team, cultivating a culture of quality excellence and adherence to industry standards.
- Orchestrates the deployment of RIC in Kubernetes environments like Robin.io, AWS and GCP.
- Identified and assessed testing tools and automation methods to optimize testing processes and boost efficiency
- ORAN specification Compliance testing.
- AI-ML testing in Radio Access network (5G and 4G RAN RIC).
Senior Member of Technical Staff -II (R &D)
Mavenir India
02.2022 - 06.2023
Project: RIC [ RAN Intelligent Controller] for 4G and 5G RAN network.
- R&D Lead Engineer responsible for End-to-End Testing of NonRT RIC product and related use cases in 5G Open RAN and 4G LTE.
- NonRT RIC product deployment on various cloud platforms (ex-AWS/EKS, VMWare etc) and testing of
SMO [Mediation Service, Networkinfo service and PM data Injection]. NonRT RIC platform [SME, DME and bootstrap services],
rAPPs (Energy savings, MRO, CCO use cases rAPPs) and integration with 5G-ORAN (CUCP/UP, DU and RU) nodes on Kubernetes via Config management and analytical tools. (AWS/EKS). - NonRT RIC use cases testing such as Energy savings, CCO & MRO etc etc.
- Validation of various RAN scenarios such as throughput testing, handover scenarios to feed the KPIs to NonRT RIC.
Senior Member of Technical Staff -I (R&D)
Mavenir
07.2019 - 02.2022
Project: UCCAS [unified communication and collaboration application service] in IMS and enterprise network.
- R&D Engineer for system testing of UCCAS product.
- SIP Protocol testing using SIPP tool, various UCC telephony feature testing i.e. Call park & Pick, find me follow me, Call forward, call transfer, hold etc.
- Test bed creation for UCCAS product in Open stack/VMware/Kubernetes environment.
- End to End responsibility for test planning, test management, executing various testing methodologies i.e., Sanity, Regression, Functional, capacity and Automation for UCCAS product and product delivery to various UCC customers.
- Automation framework development using Python and Robot framework.
Technical Lead- Testing
Tecnotree Convergence Itd
12.2014 - 07.2019
Project: OCS [Online Charging System]
- Responsible for system testing of NID (network interface device)/CSG (Charging Signaling gateway)/ VSG (Voice Signaling gateway).
- Diameter credit control application testing i.e., Gy/Ro interface
- Sy interface testing between OCS and Policy Agent/policy router.
- State machines creation in MGTS (x100) tool for CAP2 and CAP3 flows.
- Load, performance, and soak testing for Gy/Sy interface (Diameter) and Voice network(CAP2) on SG.
- Python based automation framework developed for CAP2 Voice and CAP3 SMS and integrated it with Jenkins for seamless automation and reporting.
- Leading a team in development of Python based automation framework for Ro interface (Diameter).
Software Engineer (QA)
GS Lab
08.2013 - 12.2014
Project: VOIP phone testing within the OOMA operator network
- VOIP phone testing (ooma Telo), IP-DECT device testing.
- SIP protocol testing in ooma network.
- SIP call flows (In ooma network) analysis and documenting same on standard project related document.
- Experience in analyzing SIP call flows using Wireshark tool.
- RTP protocol testing, Packet loss, Jitter and audio quality testing (QoS issues).
Test Engineer
Mindtree
08.2011 - 07.2013
Project: NGIN [Next Generation Intelligent network] for PSTN and GSM networks.
- SS7, TCAP, SCCP, INAP, CAP (CAMEL) and SIP protocol testing in VPN and EVPN network.
- SSP and SCP (SS7 Network element) testing.
- Writing SIPP scripts to send the SIP request to the Service broker (or SG). Web application testing (Telecom portals).
Education
Skills
Timeline
Tech Lead QA
Rakuten Symphony India
07.2023 - Current
Senior Member of Technical Staff -II (R &D)
Mavenir India
02.2022 - 06.2023
Senior Member of Technical Staff -I (R&D)
Mavenir
07.2019 - 02.2022
Technical Lead- Testing
Tecnotree Convergence Itd
12.2014 - 07.2019
Software Engineer (QA)
GS Lab
08.2013 - 12.2014
Test Engineer
Mindtree
08.2011 - 07.2013
Special Achievements
- Mindtree Awards:
- Three times shining Star: - For Topping in Internal Test-Product Certification Test in DEC-2011.
- Pat on the Back: - Raised Max. Number of Bugs in MNTS and Product went with 0 UAT in FEB-2012.
- GS Lab Awards:
- Pat on the Back: - Excellent contribution in Ooma call flows (SIP) analysis and documenting in Jan 2014.
- Tecnotree Awards:
- Star of the month NOV'15: Innovating the Simulator for CAP2 Voice calls with Additional plug-ins, Adding Jenkins to it.
- Spot Award OCT'15: Finding Solution for BLOB XML settings handling for CAP2 Voice calls, Handling XML based CDR.
- Spot Award FEB'16: For Diameter/GPRS load testing and coming up with excellent load testing report.
- Star of the month FEB'17: Developing Python based automation to automate CAP2 and CAP3 traffic and automating 120 different test cases of CAP2 features.
- Quality Champion Q4'2017: Raised 27 Critical & Major defects in Diameter Data Bypass (Contingency) Feature. Owning the Performance & load on Diameter SG and Reporting the Blocking performance issues to stakeholders.
- Innovation Award Q3'2018: Refactoring the python-based automation framework to tune the new Diameter features.
- Mavenir Awards:
- Super star Dec'2020: Handling Vodafone UCC project End to End activities, on time deliveries without compromising in quality.
- MavAchiver Dec'2021: For handling the Verizon UCCAS & Vodafone UCC all testing activities and responsibilities.
Personal Information
- Date of Birth: 06/02/88
- Nationality: Indian
- Marital Status: Married
Key Contributions and Accomplishments
- Initiated QA endeavors for two RIC [AI/ML based] projects, driving the creation of over 450 test cases in just 8 months, stabilizing the RIC platform within short span.
- Independently led Vodafone and Verizon UCC projects from inception to completion, assuming full ownership including the creation of a test automation framework using Robot with test case coverage of 95%. Implemented CI/CD practices resulting in resource optimization from 3 to 1.
- Contributed to NonRT RIC testing, ensuring compliance with ORAN specifications, resulting in an A rank recognition from OTIC Lab
Awards and Recognition
- Mindtree Awards:
- Three times shining Star: - For Topping in Internal Test-Product Certification Test in DEC-2011.
- Pat on the Back: - Raised Max. Number of Bugs in MNTS and Product went with 0 UAT in FEB-2012.
- GS Lab Awards:
- Pat on the Back: - Excellent contribution in Ooma call flows (SIP) analysis and documenting in Jan 2014.
- Tecnotree Awards:
- Star of the month NOV'15: Innovating the Simulator for CAP2 Voice calls with Additional plug-ins, Adding Jenkins to it.
- Spot Award OCT'15: Finding Solution for BLOB XML settings handling for CAP2 Voice calls, Handling XML based CDR.
- Spot Award FEB'16: For Diameter/GPRS load testing and coming up with excellent load testing report.
- Star of the month FEB'17: Developing Python based automation to automate CAP2 and CAP3 traffic and automating 120 different test cases of CAP2 features.
- Quality Champion Q4'2017: Raised 27 Critical & Major defects in Diameter Data Bypass (Contingency) Feature. Owning the Performance & load on Diameter SG and Reporting the Blocking performance issues to stakeholders.
- Innovation Award Q3'2018: Refactoring the python-based automation framework to tune the new Diameter features.
- Mavenir Awards:
- Super star Dec'2020: Handling Vodafone UCC project End to End activities, on time deliveries without compromising in quality.
- MavAchiver Dec'2021: For handling the Verizon UCCAS & Vodafone UCC all testing activities and responsibilities.
Personal Information
- Date of Birth: 06/02/88
- Nationality: Indian
- Marital Status: Married
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