Senior Security Test Engineer (Pentester for Industrial IoT)

SigmaSoftware2

Warsaw, Masovian Voivodeship, Poland Remote permanent

Posted: January 12, 2026

Job Description

Build a safer IoT world with us! If you keen on security testing, automation, and advanced industrial IoT systems, this role is your chance to make a real impact.  

In this role, you will be responsible for ensuring the security and reliability of cutting-edge industrial IoT systems by designing and executing comprehensive testing strategies. You will work closely with product managers and developers, contribute to test automation, and stay ahead of emerging IoT security trends.  If you’re passionate about innovation and IoT security, let’s talk! 

• Lead and execute comprehensive testing strategies for industrial IoT systems, including hardware, firmware, and software components  
• Conduct comprehensive security testing for industrial IoT systems, including compliance with IEC 62443 standards, threat modeling, risk assessment, vulnerability testing, and penetration testing  
• Design, develop, and maintain robust test automation frameworks for security testing  
• Contribute to the development of best practices for IoT testing within the organization  
• Collaborate with product managers and developers to define and refine product requirements and specifications

• At least 5 years of experience in a similar role with similar responsibilities  
• Strong experience in security testing, including IEC 62443, threat modeling, and penetration testing  
• Proficiency in test automation and scripting for security testing  
• Excellent knowledge of IoT architectures, protocols (especially BLE), and industrial automation systems  
• Willingness to continuously develop and keep up with new IoT technologies and security practices  
• An Upper-Intermediate level of spoken and written English  

PERSONAL PROFILE

• Strong collaboration and problem-solving skills  

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