Pintu Kumar Sadhu
Work Experience
Hardware Test Engineer
Whirlpool Coorporation
Mar 2024
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Present (May 2024)
Validation Engineer
Algorizin
Nov 2023
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Mar 2024
➢ Perform comprehensive testing of cellular wireless connectivity features, focusing on various aspects including functionality, stability, and compatibility with 5G-NR/LTE technologies.
➢ Validate critical systems, ensuring they meet software-related functional requirements, including network protocols, communication standards, and other telematics functionalities.
➢ Analyze and troubleshoot network functionality issues using a range of industry-standard software analysis tools.
➢ Develop and design test cases for software functionalities, ensuring they comprehensively cover all aspects of system performance and user experience.
➢ Automate testing processes to increase efficiency and accuracy, utilizing suitable programming and automation tools.
➢ Perform comprehensive testing of cellular wireless connectivity features, focusing on various aspects including functionality, stability, and compatibility with 5G-NR/LTE technologies.
➢ Validate critical systems, ensuring they meet software-related functional requirements, including network protocols, communication standards, and other telematics functionalities.
➢ Analyze and troubleshoot network functionality issues using a range of industry-standard software analysis tools.
➢ Develop and design test cases for software functionalities, ensuring they comprehensively cover all aspects of system performance and user experience.
➢ Automate testing processes to increase efficiency and accuracy, utilizing suitable programming and automation tools.
Skills: Test Automation · Radio Frequency (RF) Engineering · Software Testing · 3GPP · Test Planning · Internet Protocol Suite (TCP/IP) · Cellular Communications · 4G · Algorithms · New Product Validation · Analytical
Skills · Hardware Testing · Leadership · Python (Programming Language) · 5G New Radio (NR) · Wireless Communications Systems · 5G · Wireless Technologies · Problem Solving · LTE · Reporting & Analysis
Wireless Validation Engineer
Actalent
Feb 2023
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Nov 2023
➢ Conducted the core Cellular Wireless connectivity features validation including functional, non-functional, new feature, and stability testing in 5G-NR/LTE/UMTS for GM Infotainment/Telematics devices using cellular network and network simulators like CMW 500
➢ Validated OnStar System for TCP/IP, Reject Cause Codes, SMS, IMS functional areas
➢ Analyzed logs using QUALCOMM tools like QXDM, QCAT & industry standard tools like Wireshark to identify potential failures in the wireless cellular functionality of the network
➢ Identified and designed test cases to cover various features of OnStar telematics functionality
➢ Automated the functionality of OnStar telematics using AURORA and Python to improve efficiency
➢ Coordinated system software releases with other development groups for deadline coverage of production intent product timing and issue tracking using the PRTS bug-tracking system➢ Conducted the core Cellular Wireless connectivity features validation including functional, non-functional, new feature, and stability testing in 5G-NR/LTE/UMTS for GM Infotainment/Telematics devices using cellular network and network simulators like CMW 500 ➢ Validated OnStar System for TCP/IP, Reject Cause Codes, SMS, IMS functional areas ➢ Analyzed logs using QUALCOMM tools like QXDM, QCAT & industry standard tools like Wireshark to identify potential failures in the wireless cellular functionality of the network ➢ Identified and designed test cases to cover various features of OnStar telematics functionality ➢ Automated the functionality of OnStar telematics using AURORA and Python to improve efficiency ➢ Coordinated system software releases with other development groups for deadline coverage of production intent product timing and issue tracking using the PRTS bug-tracking system
Skills: Linux · Test Automation · Radio Frequency (RF) Engineering · Software Testing · 3GPP · Test Planning · Internet Protocol Suite (TCP/IP) · Cellular Communications · 4G · Algorithms · Analytical Skills · Hardware Testing · Leadership · R&S CMW500 · Python (Programming Language) · 5G New Radio (NR) · Wireless Communications Systems · 5G · Wireless Technologies · QXDM · Wireshark · Problem Solving · Product Development · Microsoft Office · LTE · Reporting & Analysis · QCAT
Graduate Research Assistant | Hardware- assisted Security Lab
Central Michigan University
Jan 2021
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Dec 2022
➢ Designed 64-bit arbiter and ring oscillator PUF
➢ RTL coding and synthesizing the PUF to verify the design
➢ Programmed FPGA, sent input challenge of PUF to the FPGA, and received response using UART by Raspberry Pi and computer COM port from FPGA
➢ Developed authentication framework, performed operations using Raspberry Pi
➢ Analyzed the authentication frameworks against different attacks to preserve security and privacy
➢ Incorporated Machine learning in the authentication framework to control PUF➢ Designed 64-bit arbiter and ring oscillator PUF ➢ RTL coding and synthesizing the PUF to verify the design ➢ Programmed FPGA, sent input challenge of PUF to the FPGA, and received response using UART by Raspberry Pi and computer COM port from FPGA ➢ Developed authentication framework, performed operations using Raspberry Pi ➢ Analyzed the authentication frameworks against different attacks to preserve security and privacy ➢ Incorporated Machine learning in the authentication framework to control PUF
Skills: Universal Verification Methodology (UVM) · C · Linux · Internet of Things (IoT) · Network Security · Internet Protocol Suite (TCP/IP) · Algorithms · Verilog · Analytical Skills · Leadership · Python (Programming Language) · Machine Learning · Authentication Protocols · Shell Scripting · SQL · Problem Solving · Field-Programmable Gate Arrays (FPGA) · Microsoft Office
Specialist | Device | Product | Commercial
Grameenphone Ltd.
Nov 2018
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Jan 2021
➤ eSIM for Smartphone and IoT
● Actively worked in the systems identification where necessary changes will be required to adopt eSIM
● Designed customer journey and managed project plan
● Coordinated with stakeholders and eSIM solution vendor and provided the updates to Telenor group about project status
➤ VoLTE & ViLTE
● Performed UAT of VoLTE & ViLTE services and measured performances
● Coordinated with Smartphone chipset partners (e.g. Apple, Qualcomm, MeditaTek, Unisoc), global ODMs, OEMs, Smartphone partners to ensure VoLTE & ViLTE patch on time in Smartphones
➤ Co-branded Smartphone
● Prepared technical specification requirement document for RFQ
● Evaluated smartphones, finalized hardware and software of selected smartphones
➤ New Development
● Analyzed technical requirements for a new product and worked with stakeholders for assessment and deployment on time.
● Performed pre and post UAT of the product
➤ Campaign Development
● Prepared offer details, analyzed necessary development requirements, and placed to the development teams.
● Performed Pre- and post-UAT and analyzed reports➤ eSIM for Smartphone and IoT ● Actively worked in the systems identification where necessary changes will be required to adopt eSIM ● Designed customer journey and managed project plan ● Coordinated with stakeholders and eSIM solution vendor and provided the updates to Telenor group about project status ➤ VoLTE & ViLTE ● Performed UAT of VoLTE & ViLTE services and measured performances ● Coordinated with Smartphone chipset partners (e.g. Apple, Qualcomm, MeditaTek, Unisoc), global ODMs, OEMs, Smartphone partners to ensure VoLTE & ViLTE patch on time in Smartphones ➤ Co-branded Smartphone ● Prepared technical specification requirement document for RFQ ● Evaluated smartphones, finalized hardware and software of selected smartphones ➤ New Development ● Analyzed technical requirements for a new product and worked with stakeholders for assessment and deployment on time. ● Performed pre and post UAT of the product ➤ Campaign Development ● Prepared offer details, analyzed necessary development requirements, and placed to the development teams. ● Performed Pre- and post-UAT and analyzed reports
Skills: 3GPP · Test Planning · Project Management · Fault Analysis · Cellular Communications · 4G · New Product Validation · Telecommunications · Analytical Skills · Leadership · Python (Programming Language) · Wireless Communications Systems · Wireless Technologies · VolTE · Problem Solving · Product Development · Microsoft Office · LTE · Request for Quotation (RFQ) · Reporting & Analysis
Sr. System Engineer | Core Planning | Network Planning | Technology
Grameenphone Ltd.
Apr 2015
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Oct 2018
➤ RNC EXOU N+1
● Evaluated and designed EXOU N+1 in Huawei BSC6910 UMTS
● Created project Plan
● Provided integration plans
● Performed UAT and post-performance evaluation
➤ Transmission Resource Pool in RNCs
● Technical assessment and total solution design for implementing in Huawei BSC6900 UMTS
● Created project Plan
● Provided implementation plan
➤ BlueChattala
● Technical evaluation and planning of swapping Huawei Access network with Ericsson Access network in Chittagong region of Bangladesh
● Dimensioned Ericsson RNC and provided NodeB integration plan
➤ PS Core Virtualization
● Provided virtualization plan of nodes (e.g. GGSN, SGSN, CG), provided integration plan for communication between native and virtualized nodes, provided traffic matrix
➤ Google and Facebook CDN
● Architectural design for both Google and Facebook CDNs in the network
● Provides integration plan of Google and Facebook CDNs, Power management, Traffic management
➤ Regular Activities
● Provide integration plan of RNC with core Nodes
● Optimized RNC
● Provided plans for new 4G sites and NodeB
● Optimized TAC of 4G sites
● Analyzed different features and implemented them in the network to reduce CAPEX and to improve performance
● Performed UAT and pre and post-analysis of new services and features
● Software and Hardware report of RNCs and PS core nodes
● Regular monitoring and management of the life cycle of PS core and radio access nodes
● Prepared Boq of RNCs and provided support to manage CAPEX and order accordingly.
● Provided necessary support to prepare Technical specifications for Local & Global RFQ of RNCs➤ RNC EXOU N+1 ● Evaluated and designed EXOU N+1 in Huawei BSC6910 UMTS ● Created project Plan ● Provided integration plans ● Performed UAT and post-performance evaluation ➤ Transmission Resource Pool in RNCs ● Technical assessment and total solution design for implementing in Huawei BSC6900 UMTS ● Created project Plan ● Provided implementation plan ➤ BlueChattala ● Technical evaluation and planning of swapping Huawei Access network with Ericsson Access network in Chittagong region of Bangladesh ● Dimensioned Ericsson RNC and provided NodeB integration plan ➤ PS Core Virtualization ● Provided virtualization plan of nodes (e.g. GGSN, SGSN, CG), provided integration plan for communication between native and virtualized nodes, provided traffic matrix ➤ Google and Facebook CDN ● Architectural design for both Google and Facebook CDNs in the network ● Provides integration plan of Google and Facebook CDNs, Power management, Traffic management ➤ Regular Activities ● Provide integration plan of RNC with core Nodes ● Optimized RNC ● Provided plans for new 4G sites and NodeB ● Optimized TAC of 4G sites ● Analyzed different features and implemented them in the network to reduce CAPEX and to improve performance ● Performed UAT and pre and post-analysis of new services and features ● Software and Hardware report of RNCs and PS core nodes ● Regular monitoring and management of the life cycle of PS core and radio access nodes ● Prepared Boq of RNCs and provided support to manage CAPEX and order accordingly. ● Provided necessary support to prepare Technical specifications for Local & Global RFQ of RNCs
Skills: Performance Management · Radio Frequency (RF) Engineering · 3GPP · Test Planning · Project Management · Cellular Communications · 4G · Telecommunications · Analytical Skills · Network Capacity Planning · Leadership · Core Network · Python (Programming Language) · Wireless Communications Systems · Wireless Technologies · Vendor Management · Problem Solving · Microsoft Office · LTE · Request for Quotation (RFQ) · Reporting & Analysis
System Engineer | Service Operation Center | Service Operations | Technology
Grameenphone Ltd.
Sep 2012
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Apr 2015
➢ Terminal based 1st level fault handling & alarm/fault correlation of Core (CS Core, PS Core, IN, & IP Backbone) &VAS Network by 24*7
➢ Responsible as Functional Interface with 2nd line Core NW Team
➢ Fault, Incident & Outage reporting. Identify Scope of Improvement of CS Network
➢ Generate & Distribute trouble tickets through online tools
➢ Health checkup and Terminal based PM/drill for Core Nodes
➢ Support during Planned work execution
➢ Disaster management for Core Network fault/incident
➢ IR Support & Service Testing with RP
➢ ICX/IGW/IIG Operator O&M Support & Coordination
➢ Competence development of fellow colleagues and junior team members➢ Terminal based 1st level fault handling & alarm/fault correlation of Core (CS Core, PS Core, IN, & IP Backbone) &VAS Network by 24*7 ➢ Responsible as Functional Interface with 2nd line Core NW Team ➢ Fault, Incident & Outage reporting. Identify Scope of Improvement of CS Network ➢ Generate & Distribute trouble tickets through online tools ➢ Health checkup and Terminal based PM/drill for Core Nodes ➢ Support during Planned work execution ➢ Disaster management for Core Network fault/incident ➢ IR Support & Service Testing with RP ➢ ICX/IGW/IIG Operator O&M Support & Coordination ➢ Competence development of fellow colleagues and junior team members
Skills: Network Operations Center (NOC) · 3GPP · Fault Analysis · Cellular Communications · Telecommunications · Analytical Skills · Wireless Communications Systems · Customer Support · Wireless Technologies · Problem Solving · Reporting & Analysis
Customer Engineer
LEADS Corporation Limited
Mar 2011
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Aug 2012
➢ Performed installation of NCR ATM machines.
➢ Analyzed faults of NCR ATM machines.
➢ Serviced ATM machines and supported customers.➢ Performed installation of NCR ATM machines. ➢ Analyzed faults of NCR ATM machines. ➢ Serviced ATM machines and supported customers.
Skills: Fault Analysis · Analytical Skills · Hardware Testing · Leadership · Customer Support · Vendor Management · Problem Solving · Microsoft Office · Reporting & Analysis
RF Engineer
Delta Telecommunication Limited
Jun 2010
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Feb 2011
➢ Performed drive test (single site and cluster) of network operators of Bangladesh
➢ Analyzed drive test reports (RxLevel, RxQuality, and SQI, etc.) of new sites
➢ Analyzed the drive tests Log files and prepared reports.➢ Performed drive test (single site and cluster) of network operators of Bangladesh ➢ Analyzed drive test reports (RxLevel, RxQuality, and SQI, etc.) of new sites ➢ Analyzed the drive tests Log files and prepared reports.
Skills: Radio Frequency (RF) Engineering · 3GPP · Fault Analysis · Cellular Communications · Telecommunications · Analytical Skills · Wireless Communications Systems · Wireless Technologies · Problem Solving · Field Testing · Microsoft Office · Reporting & Analysis
Education
Central Michigan University
Master of Science in Engineering, Electrical and Computer Engineering
Jan 2021
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Dec 2022
Grade: 3.95
Khulna University of Engineering and TechnologY
Bachelor of Science (B.Sc.), Electrical and Electronics Engineering
2005
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2010
Grade: 3.47