AJAY KUMAR CHAURASIA
Test Engineer LTE EPC VoLTE IMS Core
*****.***********@*****.*** +91-926******* Noida, India PROFESSIONAL SUMMARY:
Telecom Test Engineer with 5 years of overall experience, including 2.5 years of hands-on experience in Telecom Testing, EPC/IMS Testing, and IMS Log Analysis. Experienced in end-to-end VoLTE call flow testing, SIP/IMS protocol analysis, and troubleshooting of IMS registration, call setup, call-drop, and call-failure issues. Strong understanding of LTE and IMS architecture, including key network nodes such as P-CSCF, I-CSCF, S-CSCF, MME, SGW, PGW, and PCRF. Proficient in protocol tracing and log analysis using Wireshark and Linux-based tools. and validation of telecom network functionalities.
TECHNICAL SKILLS:
Networks & Technologies: LTE, IMS, VoLTE, EPC, Diameter. IMS / Core Nodes: P-CSCF, I-CSCF, S-CSCF, MME, SGW, PGW, PCRF. Protocols & Interfaces: SIP, Diameter, Sh, Gx, X2, S1-U, S1-C, S11, S5/S8. Call Flows: LTE Attach, IMS Registration, IMS-to-IMS, Conference Call. Tools: Wireshark, Linux, PuTTY, WinSCP, Jira, Google Earth, MS Office. Test Activities: Log & Trace Analysis, Protocol Testing, call-failure issues, functional testing, Drive Test Analysis. PROFESSIONAL EXPERIENCE:
Gauri Telecommunication Pvt Ltd April 2024 – June 2026 Scope Based Engineer
• Perform daily trace capturing and log analysis for LTE and VoLTE services, including CSFB scenarios.
• Hands on experience on different call flows like LTE Attach, IMS registration, IMS to IMS call, IMS conference call etc.
• Perform testing based on different SIP, IMS and Volte call Scenarios and Volte Logs Analysis (SIP, IMS) with Wireshark .
• Conduct SIP/IMS protocol testing and VoLTE log analysis to identify and resolve call-failure, call-drop, and registration issues.
• Perform and execute test cases alongside clients, maintaining documentation of all test results. Tools: Wireshark, Ubuntu, Linux, WinSCP, PuTTY.
Multi Wireless Technologies Pvt Ltd Feb 2021 – Aug 2023 Test Engineer
• Conducted single-site drive tests, cluster drives, and drive-test analysis; raised and tracked defects found during execution.
• Site Audit,Checking Lat/Long, Orientation, Tilt, Swap, and Alarms.
• Coverage Check, Call Set up, Missing Neighbors, Re-planning of frequencies, Handovers Check, Hardware Fault, and Antenna Fault.
• Trouble shooting and resolving issues like call drop and handover failure and Performing customer complaints
• Finding the best possible configuration for antenna heights, tilts and azimuths for all the cells/sectors in the network and responsible for optimization of the network Tools: TEMS, MapInfo, Google Earth, MS Office.
EDUCATIONS:
• B.Tech, Electronics & Communication Engineering — UPTU, Lucknow 2015 62.4%
• Intermediate (Class XII) — Uttar Pradesh Board 2008 61%
• High School (Class X) — Uttar Pradesh Board 2006 65% ADDITIONAL INFORMATION:
Languages: English, Hindi Date of Birth: 20th March 1992 Location: Noida, India