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