Test Engineer with 5 years of experience with 2.5 Years in ims

AJAY KUMAR CHAURASIA

Test Engineer LTE EPC VoLTE IMS Core

*************.**@*****.*** +91-926******* Noida, India PROFESSIONAL SUMMARY:

Telecom Test Engineer with 5 years of experience with 2.5 Years as Test Engineer (EPC/IMS Testing and IMS Logs Analysis. Hands-on expertise in end-to-end VoLTE call flow testing .SIP/IMS protocol analysis, and troubleshooting of registration, call-drop, and call-failure issues. Strong working knowledge of LTE, IMS architecture and nodes (P-CSCF, I-CSCF, S-CSCF,MME, SGW, PGW, PCRF).Skilled in protocol tracing with Wireshark and Linux-based tooling, and test documentation.

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, Call Transfer, CS-PS / PS-CS. Tools: Wireshark, Linux, MobaXterm, 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, CS-PS, PS-CS 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, STS, Linux, WinSCP, PuTTY. Multi Wireless Technologies Pvt Ltd Feb 2021 – Aug 2023 Drive 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

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