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Baseband Software Tester

Ericsson Krakow, Lesser Poland Voivodeship, Poland

hybridfull-time
Posted Feb 3, 2026Apply by Aug 2, 2026
  • Role & seniority

    • Baseband Software Tester (early-career; open to BSc/MSc candidates)
  • Stack/tools

    • 5G NR baseband, L1/L2 testing, verification and integration

    • Test automation, CI pipelines

    • Test equipment handling (UE simulators, protocol analyzers, signal generators, radio channel simulators)

    • Multithreaded/multicore system testing; lab/test environments

    • Knowledge of NR baseband components (UL/DL, PHY, MAC, Layer 3); familiarity with 3GPP specs

  • Top 3 responsibilities

    • Write inventive, high-quality, clean, optimized test code for verification and continuous integration

    • Maintain and improve L1/L2 test coverage; secure legacy coverage in test loops

    • Drive systemization of 5G features, create feature anatomies, document impacts, and update specifications

    • Ensure test environments (lab hardware and automation tools) are available in time; develop demos and customer docs

  • Must-have skills

    • BSc in a technical field (MSc preferred) or equivalent knowledge

    • Basic understanding of NR concepts, verification processes, and troubleshooting

    • Familiarity with test equipment and handling; willingness to learn deeper NR baseband details

    • Exposure to or willingness to learn NR RBS, UE simulators, protocol analyzers, signal generators

    • Interest in NR baseband architecture and 3GPP specifications

  • Nice-to-haves

    • Experience with test automation frameworks and CI in telecom

    • Knowledge of multithreaded/multicore systems and lab auto

Full Description

Join our Team About this opportunity: 5G and Cloud RAN are already a reality, and Ericsson is the leader in bringing it to the market. There has never been a better time for you to make your mark. A large group of skilled developers are working energetically to convert 5G and Cloud RAN plans into reality. We are growing and looking for more talent. PEU RAN Performance PEG3 is part of Integrated RAN in BA Networks and responsible for driving Baseband software product development end to end by having competence and capability to take on full feature responsibility. As a Baseband Software Tester, you will work in a team that has the responsibility for developing 5G Baseband and Cloud RAN software products. That means testing and integrating advanced signal-processing functions and algorithms in a cycle and memory constrained real-time environment. The test environment is both simulated and true e2e including Core Network, Radio Access nodes and real or simulated mobile phones. You will experience a truly collaborative and supportive environment, both in terms of tools and colleagues. And you will have lots of fun. PEU RAN Performance is located mainly on different sites in Sweden, Canada, China, US and Poland. This position is situated in Kraków, Poland. What you will do: Write inventive, high quality, clean, optimized test code for use in verification and continuous integration Maintain and improve the quality of L1 and L2 part of the Baseband product by securing legacy coverage in test loops Drive systemization of 5G features as well as follow-up actual performance Break down features and create feature anatomies, determine impact on system documentation and update it Write demo instructions and customer documentation, systemization of multithreaded and multicore systems Drive continuous improvements of products, environments, and processes Make sure that the right test environment is available in time, both the actual test platform in the lab and the test environment with tools and automation frameworks The skills you bring: Interest in and a drive to learn software test and integration BSc level (MSc preferred) in a technical field or the equivalent level of knowledge Basic understanding or some experience with NR (New Radio) system concepts, verification processes, and troubleshooting. Familiarity or coursework experience with test equipment handling and management. Readiness to learn deeper technical details of NR baseband architecture and its components (e.g., UL, DL, PHY layers, MAC, Layer 3) Exposure to or willingness to learn test tools used for radio network products (such as UE Simulators, protocol analyzers, signal generators, radio channel simulators). Interest in working with NR RBS on block, subsystem, and node levels. Understanding of, or enthusiasm to learn, relevant 3GPP specifications. We work in a hybrid model - 3 days from the office weekly. What do we offer Annual bonus depending on the achievement of the company's goals and results Possibility to take advantage of the reduction of tax-deductible costs for creative work Financial awards and distinctions Private medical care for employee and their family (Medicover) Life insurance Mental Help Line Cafeteria system Pluxee platform: co-financing MultiSport or OK System card, lunch cards, and others Sports and integration activities (e.g. Football, Joga, raising team, climbing club) Company support (loans and grants) Possibility to participate in 3G / 4G / 5G... 6G technology projects Opportunity to participate in technical and interpersonal training conducted by international trainers Access to recognized learning platforms (Pluralsight, Skillsoft, Coursera) Opportunity to work in an international environment, also outside Poland 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 solutions never seen before 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?Click Here to find all you need to know about what our typical hiring process looks like.Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we champion 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 Employer. learn more. Primary country and city: Poland (PL) || Req ID: 780624

Software TestingIntegrationNR System ConceptsVerification ProcessesTroubleshootingTest Equipment HandlingTechnical DocumentationMultithreaded SystemsContinuous ImprovementSignal Processing5G Technology3GPP SpecificationsCustomer DocumentationFeature SystemizationTest ToolsRadio Network Productsmulti-location

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