About Ericsson
At Ericsson, we are shaping the future of connectivity. As a global leader in telecommunications technology and services, our solutions power more than 1,000 networks in over 180 countries - and carry more than 40% of the world's mobile traffic.
Quality, innovation, and continuous improvement are at the heart of everything we do. Our advanced tools and simulators play a critical role in ensuring world-class performance across generations of mobile technology.
About the Opportunity
We are looking for a System Architect to join our Simulation Services System Team in Poland.
In this role, you will contribute to the development of Test Tools & Simulators supporting Radio Access Network (RAN) development for 4G, 5G, and emerging 6G technologies. You will play a key role in defining architecture, improving ways of working, and driving innovation in a highly collaborative and global environment.
This role follows a hybrid work model with three days per week in the office in Kraków.
What You Will Do• Contribute to architecture design for simulation tools supporting RAN development• Drive improvements and simplification of development Ways of Working (WoW)• Collaborate with cross-functional teams and stakeholders across the organization• Ensure high-quality delivery aligned with product lifecycle processes• Support Lean & Agile development practices• Influence innovation and continuous improvement initiatives
Core Competencies• Strong knowledge of 5G protocols and procedures• Product Lifecycle Management (PLM) understanding• Business and customer value awareness• Lean & Agile mindset• Stakeholder engagement and networking skills• Innovation-driven thinking• Strong planning and organizational skills• Results-oriented with customer focus
Required Skills & Experience• Solid understanding of Wireless Communication Systems, particularly 5G NR (L1, L2, L3 and Core Network)• Knowledge of TCP/IP protocols• Experience with software development tools and programming environments• Basic knowledge of Linux OS and networking• Understanding of CI (Continuous Integration)• Knowledge of testing practices (module-level and end-to-end testing)• Strong analytical and structured thinking• Excellent communication skills in English (spoken and written)• Detail-oriented with the confidence to challenge the status quo• Proactive mindset and positive "can-do" attitude
Why Join Ericsson?• Work on cutting-edge 5G and future 6G technologies• Be part of a global organization driving digital transformation• Collaborate with highly skilled experts in an international environment• Contribute to solutions that power global connectivity• Grow your career in a culture that values innovation and continuous learning
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) || Krakow
Req ID: 781003
Top Skills
What We Do
Ericsson builds the digital connectivity the world relies on. Our technology underpins the mobile networks, platforms, and systems that billions of people, businesses, and societies depend on every day.
We are a global leader in communications technology, delivering mobile network infrastructure, cloud software, and wireless connectivity solutions for service providers and enterprises worldwide. Our networks support connectivity across 180+ countries, helping power everyday communication as well as critical digital services at global scale.
Connectivity has evolved far beyond consumer mobile use. Today, nearly 80% of the world’s population accesses the internet via mobile networks, and Ericsson is helping shape what comes next. We are advancing 5G and 5G Advanced, developing network APIs that open connectivity to the global developer ecosystem, and applying automation and AI to make networks more intelligent, efficient, and resilient.
Ericsson was the first company to launch live 5G networks on five continents, and our 5G platform is now commercially live in 150+ networks across 60+ countries. We also support more than 36,000 enterprise customers, enabling secure, high-performance connectivity for industries such as manufacturing, aviation, logistics, utilities, and public safety, where reliability and performance are mission critical.
Innovation is central to how we work. Ericsson has approximately 28,000 employees in research and development, backed by one of the strongest intellectual property portfolios in the industry with 60,000+ granted patents. Our engineers, researchers, and technologists work across 100+ global R&D sites, helping define how networks evolve and how digital infrastructure is built for the long term.
As the world moves toward a mobile-first, AI-powered, and cloud-driven future, connectivity becomes the foundation for digital transformation across every industry. Ericsson is building that foundation, shaping the future of digital connectivity through technology that operates at global scale and supports real-world impact, today and for what comes next.
Why Work With Us
Ericsson is a place for people who want to work on technology that powers everyday life. You’ll contribute to large-scale systems used every day, tackle complex challenges in live environments, and keep developing your skills and career in your own vision.
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Ericsson Offices
Hybrid Workspace
Employees engage in a combination of remote and on-site work.
Ericsson adopts a hybrid work model globally because we know balance matters. Sometimes things are better in real life. Other times we can be more productive at home. Our hybrid approach gives you the best of both worlds.
