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October 1, 2026

System Tester (Test Engineer)

Mid • On-site

Kraków, Poland

Quick Facts

  • Role: System Tester (Test Engineer)

  • Focus: System testing and quality assurance of core software products

Description

Perform system testing across Capacity, Maintainability, Robustness, and Stability. Investigate, analyze, and troubleshoot issues, and collaborate with other test teams to improve test environments and processes. Build expertise in a sophisticated technical domain while ensuring high software quality.

Responsibilities

  • Execute System Tests (ST) in Capacity, Maintainability, Robustness, and Stability

  • Investigate and troubleshoot encountered issues

  • Collaborate with other test teams to improve the test environment and process

  • Contribute to quality assurance of Ericsson core products

Requirements

  • Knowledge of software quality, testing process, types of tests, product lifecycle, and bug reporting (ISTQB Foundation or equivalent is an advantage)

  • Minimum 2 years of professional experience in manual or automated testing

  • Very good knowledge of IP systems/networks, including comprehension of IP protocols and IP-based routing in an embedded environment

  • At least 2 years of experience with Unix/Linux and knowledge of Git

  • B2 Polish and English (written and spoken)

  • Strong analytical thinking, fast learning, collaboration, and communication skills

  • Education: Master’s or bachelor’s degree in computer science or equivalent

  • Very good interpersonal and teamwork skills

  • Result-oriented, creative, and analytical mindset

  • Willingness to work in a hybrid model: 3 days in the Krakow office and 2 days from home weekly

Benefits

  • Annual bonus based on company goals and results

  • Financial awards and distinctions

  • Private medical care for employee and family (Medicover)

  • Life insurance

  • Pluxee platform: co-financing MultiSport or OK System card, lunch cards, and more

  • Sports and integration activities

  • Hybrid work flexibility, including financing home furniture and IT equipment

  • Company support (loans and grants)

  • Opportunity to participate in 3G/4G/5G…6G technology projects

  • Technical and interpersonal training by international trainers

  • Access to learning platforms (Pluralsight, Skillsoft, Coursera)

  • Opportunity to work in an international environment, including outside Poland

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