Test Engineer (Core Network)

ULAK Haberleşme A.Ş.


24.07.2020 - 24.10.2020 | 24.10.2020


Ulak Communications is an R&D company specialized in mobile and broadband systems, network virtualization, and software-defined networking. Ulak is positioned on the promise of 5G technologies for communications providers, service providers, large enterprises, and governments. We are looking for teammates who are eager to learn and develop state-of-the-art technologies, solve complex problems, deliver production-quality output on time, with strong communication skills, work ethic, and can-do attitude.

Job Description:

This position will be responsible for the design, development, and execution of complex test scenarios that involves EPC and 5G Core Network software, networking, cloud and virtualization, and related hardware platforms. You will prepare and execute test scenarios and documentation based on the requirements and analysis documents, interpret test results, prepare and record bug reports. You will use agile “Continuous Integration and Test” environments, make research on new testing technologies and tools, and improve the fidelity of the test environment and scenarios. 



  • Solid knowledge and proven experience in software/systems testing. 
  • Solid knowledge and experience in "Software Development Life Cycle”, Agile development and related tools
  • Strong analytical capability to develop test scenarios,
  • Advanced English to read, understand and create test cases from formal specifications
  • Experience in test automation tools like Selenium, Jest, Mocha, Protractor, Jenkins, Teamcity, Karma-Jasmine, etc.
  • Experience in Wireshark.
  • Experience in scripting (shell, Perl, Python, etc) and using definition languages (XML, JSON, YAML, YANG, etc)
  • Experienced in Security, Performance, and vulnerability testing is a plus.
  • Strong documentation capabilities. 
  • Knowledge of data-center technologies (server, storage, networking, virtualization, security)
  • Unix / Linux knowledge and experience
  • Experience in the telecommunications domain is a big plus.
  • Excellent verbal and written communication skills


  • BS in one of the engineering disciplines is required, MS or above is preferred
  • Minimum 3 years experience in a systems/software development and/or testing related field
  • Good command of written and spoken English