JAHANGIR ALAM
Mumbai,Maharashtra
Summary
Results-driven professional with over 8.5 years of experience in UE protocol testing, specializing in 3GPP protocols and UE testing for 5GNR and LTE. Proven ability to enhance team performance and achieve organizational goals through dedication and hard work. Committed to continuous learning and staying current with technological advancements.
Overview
9
9
years of professional experience
Work history
Field Test Engineer
Apple (On Contrcat)
Riyadh, Saudi Arabia
04.2025 - Current
- Evaluated latest iPhone and iPad hardware from early prototypes to final products.
- Worked on iPhone 17 series and Apple modem (C1, C1X).
- Debugged NSA, IMS, and LTE logs to identify root cause of issues.
Senior Engineer
Reliance Jio (On Payroll of Quest Global)
Navi Mumbai, India
07.2022 - 04.2025
- Test Case Design and Execution: Responsible for execution of test plans covering stability, 5G NR procedures (logging, RRC, NAS), signal handling (band scan, NR signals, cell acquisition), mobility management (idle mode, connected), performance (HO, throughput, carrier aggregation), and core functionalities (IMS, Emergency, DSDS) and various functionalities of 5G Smartphone and ODMs. Execution of test cases manually/Automation and analyzing results for deviations.
- 5G NR SA Feature Verification: Performed in-depth verification of 5G NR SA functionalities, ensuring seamless operation.
- Reliance Jio ODMs: Worked for Jio Bharat & Jio Prima phones right from Engineering sample to Production sample, Tested & validated features & reported defects.
- Expertise: Worked on different chipsets like, Qualcomm, MediaTek, UNISOC & Exynos.
- Tools and Technologies: Adequate knowledge of Different chipset's tools for capturing logs & analyzing the defects. QXDM(Qualcomm), LOGEL(Unisoc), SHANNON(Exynos), ELT(MediaTek).
Protocol & UE Test Engineer
Marquis Technology Pvt Ltd, Mumbai
05.2017 - 07.2022
- Protocol & UE Test Engineer with more than 5 years of experience in the area of Testing (Modem and Application) across India & Abroad.
- Experience in Chipset testing (Qualcomm & MediaTek) & finding bugs/defects in android smart phones or Prototypes
- Manual Mobile and Automation Testing on Android platform embedded with Qualcomm prototype devices.
- Good exposure in LTE protocols AS/NAS, 5G NR, LTE, IMS (VoLTE, VoWiFi), XCAP, CA.
- Good understanding of LTE procedures such as Attach, Cell Selection/Reselection, Handovers, CSFB, SRVCC, IMS, VoLTE, VoWiFi.
- Analyzing issues on primary level and report to client & higher management on portal such as JIRA, RTC, ALM.
- Communicating/Coordinating with clients for collecting logs, reproducing issues and providing the required support as per requirement.
Education
B. E. - Electronics And Telecommunications
Dr. D Y Patil School of Engineering
Pune12-2016
12th (CBSE Board) - PCM
Surendra Nath Centenary School
Ranchi, Jharkhand04-2012
10th -
Netarhat Residential School
Netarhat, Jharkhand02-2010
Skills
Tesing Skills: Sanity, Stability, Functional & KPI Testing in different network enviornment
Tools Knowledge: Apple based internal logging & analysis tools, QXDM, PCAT, QCAT(QCOM), ELT(MTK), Shanon(Exynos), LOGEL(UNISOC)
Additional Information
- Flashing & preparation of the device with proper software build for testing purposes.
- Test Case planning & execution of test cases.
- To do the device compliance testing for operators across India & Abroad (Denmark, Spain, Saudi Arabia, Kuwait, Nepal, Egypt).
- Testing scenarios included LTE, VoLTE, ViLTE, VoWiFi, IRAT, CSFB, SRVCC, Reselection/Redirection, Data Throughput, LTE-CA.
- Testing in various test environments -Near cell, Edge cells and determining the Throughputs under various technologies [GSM, WCDMA, LTE & NR].
- Hands on Experience in Testing Mobile phones (iOS, Android, Qualcomm, MTK).
- Sanity, Out of Box, functional & performance testing with all the major and minor operators and finding critical or major issues related to Modem and AP(UI).
- Issue discussion for priority, severity, possible root cause with clients during scrum meetings on conference call.
Accomplishments
Marquis Technologies Pvt. Ltd:
"ROCKSTAR" Award for Excellent Performance in different Projects on August-2018.
Quest Global Engineering Services Pvt Ltd:
"On The Fly" Award for Exceptional contribution towards Jio Network Phone testing in Lab and field environments on Jan 2023.
"On The Fly" Award for outstanding hardwork & showing unconditional efforts for assigned work & phenomenal output on Sep 2024
"Employee of the Year" Award for maintaining outstanding performance throughout the year on Nov 2024.
Languages
English, Hindi, Bengali, Marathi
Work History
Apple (On Contract) [Payroll of Marquis Technology], Riyadh, Saudi Arabia
[8 Months]
Reliance Jio [Pay roll of Quest Global Engineering Services, Navi Mumbai
[2.5 Years]
Marquis Technology Pvt. Ltd., Mumbai, Maharashtra
[5 Years]
Project Experiences
Projects Experiences with different clients:
- APPLE(Different variants of iPhones & iPads).
- Google(Pixel 8 Pro)
- GCF Testing on Motorola based on 3GPP specs- Barcelona(Spain)
- Qualcomm Prototype testing (Different chipsets)-SDM660, SDM8953, SDM450, SDM670, SDM855, SDM 865, 8 GEN2, 8 GEN3)
- MediaTek Prototype testing(Different chipsets)- M70, M80, M85, M90
- Samsung (Different products)- Mumbai
- Realme(Different products)- Cairo (Egypt), Mumbai, Surat, Ahmedabad.
- Xiaomi(Different products)- Riyadh (Saudi Arabia) & Mumbai.
- Motorola(Different products)- Riyadh (Saudi Arabia) & Mumbai.
- OnePlus(Different products) – Copenhagen (Denmark) Manila (Philippines), Mumbai, Pune.
- OPPO(Different products)- Cairo (Egypt), Mumbai, Pune, Surat, Ahmedabad, Bhopal.
- ASUS- Malaysia, Sweden, Mumbai
- Honor- Kuwait, Qatar
- Huawei- Jordan
Personal Details
Nationality: Indian
Date of Birth: 1st January 1995
Current Address: Navi Mumbai, Maharashtra Pin-400701
Permanent Address: Pakur, Jharkhand Pin-816106
Timeline
Field Test Engineer
Apple (On Contrcat)
04.2025 - Current
Senior Engineer
Reliance Jio (On Payroll of Quest Global)
07.2022 - 04.2025
Protocol & UE Test Engineer
Marquis Technology Pvt Ltd, Mumbai
05.2017 - 07.2022
12th (CBSE Board) - PCM
Surendra Nath Centenary School
B. E. - Electronics And Telecommunications
Dr. D Y Patil School of Engineering
10th -
Netarhat Residential School