Senior Baseband System Developer

Join our Team

At Ericsson you’ll be empowered to learn, lead, and perform at your best while shaping the next generation of connectivity. We welcome you as your full, authentic self and celebrate the skills, creativity and perspectives you bring to the team.

We’re looking for experienced, curious telecom engineers to join our Radio Baseband Software team. You’ll work on system-level design and performance of NR and 6G products focusing on the physical layer, AAS/M-MIMO and radio resource management. This is a chance to influence real products, validate algorithms in realistic simulations, and help evolve wireless systems worldwide.

Your system specifications, architecture descriptions, and design artifacts will soon be consumed directly by AI agents that support software development. These agents will use your system-level definitions to generate, validate, and optimize code, making your work the foundation of automated, AI-assisted development flows. Clear, consistent, and unambiguous requirements — backed by strong systems thinking — are essential, since your documentation must be machine-interpretable and convey product behavior, constraints, and intent. As a System Engineer, you play a key role in ensuring correctness, scalability, and long-term maintainability of AI-enabled products.

What you’ll do

Define and maintain system‑level architecture, requirements, and interfaces

Produce high‑quality, precise, and well‑structured technical documentation

Systemize Ericsson 5G and 6G product features within the physical layer, AAS/M-MIMO and RRM domains

- Specify features, test cases, algorithms, use cases, parameter settings and backward-compatibility considerations

- Develop and run software simulations to evaluated 5G and 6G features and algorithm performance

- Analyze interactions with legacy functionality and propose design improvements

- Collaborate with cross-functional teams to drive continuous improvement and deliver high-quality system solutions

What you’ll bring

5+ years’ experience in communications theory and digital signal processing

Strong knowledge of NR system design, especially Physical Layer, RRM and AAS/M-MIMO

Solid understanding of L1 channel processing (DL/UL algorithms)

Experience developing software for physical-layer and radio network simulations (modeling and analysis)

Proficiency in one or more of Java, MATLAB, C/C++ and Python

Familiarity with 3GPP NR specifications and NR software design principles

MSc or PhD from a technical university

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 2G / 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

This is a hybrid position; we require office attendance 3 times per week.

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) || Lodz

Req ID: 783266