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Customer Engineer (Modem)

Secunderabad, Telangana
Job Code:
  • IT
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Job Details

As a member of QCT's Modem SW Applications(Customer) Engineering group, candidate will be responsible for supporting Modem software's Protocols/features, in LTE/WCDMA/IMS area. Job responsibilities include system level feature understanding, issue log analysis, troubleshooting/analyzing problems, supporting customers with chipset product commercialization. Candidate will work closely with customers to analyze, debug and resolve issues. Will conduct engineering test experiments and detailed in depth analysis of failures and experimental testing to improving the quality of QC's ASIC products. Candidate will be working with a multi-discipline team (Software Development, System Design, etc.) to commercialize QCT products.Minimum QualificationsLTE (4-12 Years) - Good understanding of digital communications systems, RF propagation, OFDM, telecommunications concepts. Understanding of Physical/MAC layers and Call Processing concepts in one or more of the following air interface standards HSDPA/ HSUPA/HSPA+, LTE and LTE advanced.Android RIL (4-6 years) experience in resolving/debug integration, testing and performance optimization issues of Android RIL, Telephony and interface to modem in ASICs for smart phone/tablet/MiFi products. Responsible for guiding Customers in designing, porting, and integration of data protocols on different platform/environments such as Android, REX/L4 etc.Modem Protocol Stability (3-5 years) Need to have strong embedded, RTOS skills, CPU architecture. Should have good debugging, analytical skills, Working knowledge in using JTAG, logic analyzers for on-chip debugging, previous work experience om Layer 1 of any radio technology such as GSM CDMA, WCDMA, LTE etc. ARM microprocessor fundamentals and hands on debugging using Lauterbach Trace 32 ICD/ICE will be a plus.Linux Data (3-5) years Strong knowledge of data protocols, TCP/IP Networking protocols, Ipv4, IPV6 etc are required, Solid knowledge of Linux data stack, such as Linux socket and TCP/IP stack, different routing protocols are required. Experience on any wireless technologies (UMTS, CDMA 1X, EVDO,EHRPD) is a plus.LTE data Services (3-7 years) experience in over wireless data protocol stacks including PPP, IP, TCP, IPV6, MIPV6, etc. Candidate shall have fair knowledge and relevant experience in GSM, UMTS, LTE technologies.IMS (5-7 Years) Development, debugging experience in IMS, VoLTE (Voice over LTE) , VoWIfi, RCS (Rich Communications Services), SIP, SDP protocols, Media Protocols (RTP, RTCP) is required. Good understanding of IR92, IR94 and other IMS related standards required. Good understanding of Video (H264, H263) /Audio( AMR-WB, AMR) Codecs preferred. Experiences in VoLTE trials, SMS over IMS commercialization, any wireless device commercialization required. Good experience on any of the data protocols TCP/UDP/IP.RF (4 to 6 years) of prior experience on on RF device drivers / RF calibration software of LTE/WCDMA/GSM technologies. Embedded system Debugging skills, Hands on experience on 3GPP Layer 1 testing in lab using cellular test instruments (CMW & Anritsu etc..)Conformance (3-7 years) - Hands on experience in performing conformance testing of modem solutions capable of LTE/WCDMA/GERAN, Good understanding of the PTCRB/GCF/IR92 test cases.UIM(3-7 years) Experience in UIM software debugging and development. Excellent working knowledge of telecom smart cards and UICC specifications, such as ISO7816, 11.11, 31.102, and 102.223, is required. Experience in SIM/USIM/USAT GCF testing is a plus. Educate customers on UIM (SIM/USIM/RUIM) protocols and Qualcomm's UIM-related software and to debug the reported issues on priority.MMODE (3-7 years) Basic understanding of 3GPP cellular technology specification. Good knowledge of Non Access Stratum (NAS). Good debugging skills and log analysis. Knowledge in call flows, communication protocols, etc.Preferred QualificationsEngineer/Senior Engineer with 3-7 years of experience in Customer Engineering, Testing or Development in telecom related domains.The role requires interfacing with handset developers, base-station inter-operability testing partners and wirelessExcellent in C programming, Perl shell scripting, RTOS, etc is desired.Excellent written and oral communication skills.Education RequirementsBachelors of engineering or Masters in ECE/CS/IT
Degree: ME/ M.Tech./ MS (Engg/ Sciences)

Additional Degree: BE/ B.Tech (Engineering) | B.Sc. (Science)

Experience: 3-7


Application Programming | Configuration/Release Mgmt | Desktop Support | Network Administration
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