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Urgent! Cellular Certification Testing Engineer(4G/5G) Job Opening In New Delhi – Now Hiring L&T Semiconductor Technologies

Cellular Certification Testing Engineer(4G/5G)



Job description

Job Title: 4G/5G Cellular Certification Testing & Automation Testing Engineer.
Location:

Bangalore
Experience:

4 to 8 Years
Join Time:

Immediate to 30 Days.
Job Summary:
We are seeking a skilled

4G/5G Cellular Certification Testing Engineer

with experience in both

manual and automation testing

for cellular protocols, along with hands-on expertise in certification processes such as

PTCRB, GCF, FCC , and

carrier certifications

(e.g., Verizon, AT&T, T-Mobile).

The candidate will be responsible for leading device testing, automation framework development, and managing end-to-end certification cycles.
Key Responsibilities:
Perform

manual and automated testing

of 4G/5G protocol, RF, and application-level functionalities.
Lead and execute certification testing processes including

PTCRB, GCF, FCC , and

carrier certifications

(AT&T, Verizon, TMO, etc.).
Design and implement

automation test scripts and frameworks

for cellular device testing (using Python or other scripting languages).
Conduct regression, stability, IOT (Interoperability Testing), and field testing using test tools and automation setups.
Debug and analyze logs using

QXDM, QCAT, QTRACE, Wireshark , and similar tools.
Collaborate with cross-functional teams including development, QA, certification labs, and carrier teams to address and resolve test issues.
Maintain detailed documentation for test plans, test cases, defect logs, and certification reports.
Stay up to date with the latest

3GPP standards , carrier requirements, and certification processes.
Required Skills & Experience:
4 to 8 years

of hands-on experience in 4G/5G mobile device testing and certification.
Experience with

PTCRB, GCF, FCC , and at least one

US carrier certification process .
Strong understanding of

LTE, LTE-A, 5G NR (NSA/SA), VoLTE, VoNR

technologies.
Proficiency in using test tools such as

Anritsu, Keysight, R&S, Spirent , etc.
Experience with

automation testing

frameworks and scripting languages (preferably

Python , but Shell, Perl, or JavaScript also valued).
Hands-on experience with log analysis tools ( QXDM, QCAT, etc.

) and debugging protocol/RF issues.
Good understanding of

3GPP protocol stack , network signaling, and call flows.
Preferred Qualifications:
Experience working with major

chipset vendors

(Qualcomm, MediaTek, etc.).
Prior work on

test automation frameworks

for embedded/mobile device testing.
Knowledge of

test case management tools

and

CI/CD tools

(Jenkins, Git)


Required Skill Profession

Engineers



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