Test Engineer

Job Summary

Responsibilities

• Pre-launch mobile device testing, Handset Testing, Mobile chipset Testing, and Prototype models.
• Field testing, Sanity testing, Feature testing, Functional testing, System testing, Device Flashing, Compatibility testing, Retesting, Regression Testing, Performance testing, Load testing, Stress testing, Mobility and Stationary testing of 2G/3G/ 4G LTE smartphones in mobile handsets in India and Abroad.
• Device acquisition, flashing on latest SW built, performing stationary, mobility testing, and Network Testing.
• UI Testing, Integration Testing, Regression Testing, Network Testing, 2G/3G/4G/LTE Testing.
• Log capturing on logging tools like QXDM, ELT, Wireshark, ADB, ODL.
• Network related protocol testing on different national operators.
• Performing debugging analysis in LTE and VoLTE technologies for finding the possible root cause.
• Execute Field test cases to verify the call performance, voice quality Hand overs and data, performance and location functionality of mobile phones
• End user product testing and benchmarking of Mobile phone products, Performance, and location functionality of mobile phones.
• Testing the call quality on 2G and 3G network, 4G networks.
• Providing full R&D support and maintenance for pre and post-launch products, including reproduction and diagnosis of problems.
• Preparation of bug & test summary report, Execution of test cases on GSM, WCDMA/UMTS, LTE, IRAT, and VoLTE , Involvement in Test plan Preparation and preparation of test strategy .

Skill Set Required

• Should have Good Knowledge/ Experience in Mobile testing/Drive Testing/Device Testing/ Field Testing
• Good knowledge/Experience in Windows and Android mobile.
• Knowledge on QXDM, QPST QCAT tool, Mediatek, Spreadtrum or QUALCOMM chipset will be an added Advantage.
• Should know 2G, 3G, 4G Architecture, 2g ,3g channels.
• Should have Knowledge of LTE and LTE-A technologies and concepts (IMS, VoLTE, VoWiFi, CSFB, SRVCC, Carrier Aggregation).
• Should have Knowledge of UMTS/WCDMA/GPRS/EDGE.
• Should have Knowledge of Call Flow (3G Call/Data flow, LTE Call/Data flow, IMS call flow).
• Excellent academic and good Communication Skills with a presentable personality.
• Willing to travel domestically and internationally.
• Flexible working hours.

Interview Preparation Topics

• 3G, 4G architecture and detailed explanation of each components
• 3g, 4g call flow
• Paging
• Handover and types
• VoLTE and VoWiFi
• Carrier Aggregation
• Interfaces in LTE network and their functions
• Channels
• FDD and TDD
• Circuit switching and packet switching

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