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C# Automation Tester (f/m/x)

Sii Polandmulti, PolandPosted 21 May 2026

Sii Poland is hiring an automation tester to work on server motherboard firmware validation projects. The role involves maintaining and executing automated tests using a C# framework across Linux and Windows environments. Candidates are expected to perform debugging, test infrastructure maintenance, and collaborate on system reliability. This is a remote-based role requiring professional automation experience.

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Experience

3+ years

Function

Quality Assurance

Work mode

Remote, Poland

Company

Tier 2

What you will work on

Sii Poland is hiring an automation tester to work on server motherboard firmware validation projects. The role involves maintaining and executing automated tests using a C# framework across Linux and Windows environments. Candidates are expected to perform debugging, test infrastructure maintenance, and collaborate on system reliability. This is a remote-based role requiring professional automation experience.

TAL's take

Quality 55/1005/5 clarityTier 2 company

Solid role at an established European IT services firm with clear scope for an automation-focused tester.

The JD clearly defines the tasks, tools, and expectations for the automation testing role within firmware validation.

Must haves

  • Minimum 3 years professional experience in test automation or software testing
  • Strong programming skills in C#
  • Knowledge of automated testing frameworks
  • Familiarity with Linux and Windows environments
  • Basic debugging and troubleshooting capabilities
  • Fluent English

Tools and skills

c#automated testing frameworkslinuxwindows

Nice to have: firmware testing, hardware testing, test infrastructure, ci/cd, server systems.

About the company

Sii is an established European IT services company with a large workforce and broad client portfolio.