Experienced System Tester / Integrator for Cloud RAN System-DevOps (692805)

About this opportunity

Interested to lead in cloud-native technologies?
Excellent, as we are now looking for creative, energetic, system integrators/testers and test automation SW developers to join our Cloud RAN System-DevOps unit. We are embracing cloud native and DevOps ways-of-working, to deliver our products with better customer experience and at the same time increase the organizational efficiency.
Our unit drives and develops new ways of verifying, delivering, and deploying Cloud RAN SW products using cloud native principles. We strive towards using DevOps principles where possible. An important part to enable this is to use a Continues Integration (CI) and Continuous Delivery (CD) flow within our development.

We are growing our organization with skilled persons with various kinds of experiences in system integration, system test and software development of automated test cases as well as contributions of new functionality in the test framework. We are using a Java based test automation framework named JCAT/MJE, based on TestNG open source test framework. Test cases are implemented in Java. We work in an inner-source WoW where each developer can contribute with functionality in the test automation framework, which is common for the whole Development Unit Networks. We make use of open source components whenever we can.
We are searching for people who are eager to join us on our journey to build something truly exciting! We offer an environment where you will be part of a team with the responsibility integrate and test micro-service based products in a cloud-based Radio Access Network.

At Ericsson, we believe in teamwork and value open communication. We believe in agile principles, meaning that we are flexible, always strive to improve our ways of working and that the team members together have the required competence to drive the development of the solutions from start to finish. All members of the team contribute with their expertise, thus communication, and coordination both within the team as well as with other teams are of importance.
You will face new technics and methods, like cloud native, microservices and AI/ML, at the same time as the system architecture and the solutions are being developed. You need to be comfortable to work on unspecified tasks and changing requirements.

We are now looking for Cloud RAN System Testers and Integrators as well as Test automation SW Developers, who will be responsible for specifying, developing, and completing automated tests in our operations pipeline. Trouble-shooting of developed automated test cases, the test environment and to build competence to also be able to trouble-shoot the actual Cloud RAN products (vCU and vDU).

What you will do
Specify test cases based on requirements.
Develop automated test cases in JCAT/MJE in the test areas such as Characteristics, Robustness, Stability, System Upgrade etc.
Execute automated test cases in test channels.
Complete manual test cases in test channels when needed.
Trouble-shoot test cases, environment and build competence to also trouble-shoot the Cloud RAN products.
Issue trouble reports and verify corrections.
Mentor colleagues.


You will bring
M. Sc. or B. Sc. level in Computer Science, Software Engineering, IT, or equivalent level of knowledge.
LTE or 5G system verification experience.
Hands-on knowledge of UE simulators (for e.g.Viavi), Qualcomm based UEs, lab tools and lab equipment, i.e., you must be used to work with lab equipment and STP’s / test channels and be confident in solving problems in the test setups in cooperation with others.
Verification and troubleshooting of characteristics and performance requirements and network level KPIs.
Experience of working with system verification areas such as Robustness, Stability, System Upgrade etc. in embedded-RAN (MS-RBS) or Cloud RAN E2E system level.
In-depth analysis and troubleshooting skills and ability to articulate issues to non-technical audience.
Ability to debug L2/L3 protocols and networking issues.


Good to have qualifications
Ability to specify and develop automated test cases in Java, based on the JCAT/MJE test automation framework.
Superb communication skills and ability to perform root cause analysis of failures.
Mentoring and teaching junior engineers to upskill in system test and integration domain.
Test analysis and prescribing test cases to perform Cloud RAN level quality assurance.
Desire to find corner cases and break the system using an innovative approach and domain competence.
Cloud native knowledge, thinking and skills.


Why join Ericsson?
At Ericsson, you´ll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what´s possible. To build never seen before solutions to some of the world’s toughest problems. You´ll be challenged, but you won’t be alone. You´ll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.

What happens once you apply?
Visit https://www.ericsson.com/en/careers/hiring-process to find all you need to know about what our typical hiring process looks like.
The selection and interview process is ongoing, so send your application in English as soon as it is ready.
Kindly note that we cannot process applications sent via email.

Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we nurture it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team.
Ericsson is proud to be an Equal Opportunity and Affirmative Action employer, https://www.ericsson.com/en/careers
Primary country and city: Sweden (SE) || Sweden : Stockholm : Stockholm
Req ID: 692805