Hasan Güzelmansur

As a Product Security Consultant, I advised R&D teams across the product lifecycle, driving compliance with IEC 62443-4-1/4-2 and the Cyber Resilience Act (CRA). I designed secure component architectures, conducted Threat and Risk Assessments (TRA) to identify and mitigate vulnerabilities, and led continuous security operations, including vulnerability management, incident response, and ongoing monitoring to ensure end-to-end product resilience.

• Designing and manage infrastructure for developing and testing proof-of-concept software in industrial automation and connectivity devices, utilizing Linux virtualization, advanced networking, Python, and Bash. • Automating infrastructure processes using custom scripts, optimizing DevOps workflows and improving operational efficiency. • Conducting cybersecurity operations, addressing vulnerabilities and implementing secure configurations in testing and development environments.

• Performed functional and automated testing of industrial network switches (TIA Portal) to ensure quality and reliability. • Built and managed test infrastructures, leveraging VMware virtualization and Jenkins automation for continuous integration. • Ensured compliance with cybersecurity rules across infrastructure components and systems. • Authored comprehensive technical documentation and guides to support testing procedures and system operations.

• Developed applications for the IT team using Microsoft PowerApps, streamlining internal processes. • Provided technical client support and maintained instructional documentation (Wikis) for recurring issues.