BBU QA Engineer

Engineering & Technology – Quality Assurance /
Full-Time /
JMA makes 5G possible for organizations with the most critical connectivity demands in the world. From its global tech centers, JMA is ushering in a new era of connectivity for leading mobile carriers, the most iconic stadiums, major universities, leading healthcare facilities, and the busiest transit centers.
5G is more than another G on your phone — it is a generational opportunity to change the way the world operates. Join the industry’s fastest growing technology company to shape that future today. 

The BBU QA Engineer will be based out of the JMA Bengaluru, India location.


    • The BBU QA Engineer will provide Engineering experience to the BBU (Baseband Unit) QA Engineering team for 4G and 5G solutions.
    • Will work independently of 5G/4G complex features.
    • Develop, execute, and maintain comprehensive tests to validate new features and identify product defects.
    • Generate comprehensive test reports for internal and external consumption.
    • Participate in agile scrum to inject quality into the entire BBU product lines.
    • Report, track, and manage any discovered defects to resolution.

Minimum Requirements:

    • Minimum 8 + years of experience in system , functional and performance testing for 5G/4G Gnodeb’s and Enodeb’s
    • Should have a good understanding on 5G-SA/5G-NSA(FR1/FR2)/4G/4G-A technologies.
    • Should have a good knowledge on 3GPP specification (36 / 38 series ) until Release 16. Experience on Rel 17 will add advantage
    • Handson working experience with stack layers like NAS, RRC, PDCP , RLC, MAC, PHY , should able to debug issues independently
    • Should be expert in writing test plans and executing functional features and regression cycle independently
    • Should have worked on features like , Carrier Aggregation, Scheduler, Link adaptation,  5G positioning , PNI NPN, Mobility, reselection , IRAT mobility and reselections, VONR, ENDC, NRDC etc.
    • In-depth testing of 5G features and finding defects in house
    • Should be good at simulating field issues inhouse to reproduce the issues faster
    • Should have hand on experience in Linux environments
    • Working Experience with UE simulators like TM500 , Prisma , Amarissoft, Simnovus

Additional Experience And Knowledge a Plus:

    • Experience in Channel Emulators like Keysight PropSim , Azimuth
    • Experience on Kubernetes and containerised environment
    • Experience in automation using python , robot framework

At JMA, we don’t just accept differences — we embrace them. JMA is proud to be an equal opportunity workplace. We do not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristic.