Senior Security Specialist - Penetration Tester

Group presentation

thyssenkrupp is an international group of companies comprising largely independent industrial and technology businesses and employing more than 100,000 people across 56 countries. Backed by extensive technological know-how, the businesses and all employees develop cost-effective and resource-friendly solutions to the challenges of the future, especially in the fields of climate protection, the energy transition, digital transformation in the industry and mobility of the future. At thyssenkrupp we create long-term value with innovative products, technologies and services and helps make life better for future generations.

Company presentation

Joining thyssenkrupp IT Competence Center, you will become a part of a team of dedicated professionals, who support and develop Global IT Applications and thyssenkrupp infrastructure worldwide. We promise to create an environment where each employee feels valued and our teams are driven by the group spirit. You will be equipped with all necessary tools, which will help you develop your full professional potential. You will be able to balance your private and professional life, staying in close contact with what really matters to you.

Your responsibilities

• Identifying and investigating security vulnerabilities at thyssenkrupp
• Interacting with clients to determine their requirements for the tests
• Contributing to penetration testing methods, scripts and tests
• Supporting the vulnerability management and other security-related projects
• Creating reports and recommendations from findings
• Mentoring and supporting less experienced resources

Your profile

• Degree in Computer Science (or equivalent practical qualification) with at least 3 years of hands-on experience in web application and infrastructure penetration testing.
• Proven track record in red teaming, source code review, and in-depth knowledge of the OWASP Testing Guide (e.g., XSS, CSRF, session management).
• Proficiency with standard industry tools (Burp Suite, Metasploit, Nessus, Wireshark, Bettercap) and scripting capabilities (Python, Bash, Ruby).
• Strong critical thinking and problem-solving skills, with the ability to analyze complex datasets and extract actionable security findings.
• Professional working proficiency (written and spoken) in English. German would be a plus.
• Experience assessing AI-based applications or utilizing AI-driven offensive security tooling would be a plus.

Contact details

thyssenkrupp Group Services Gdańsk Sp. z o.o.

Human Resources Department

al.Grunwaldzka 472 D, 80-309 Gdańsk

Telephone: +48 58 783 60 00

Email: career.pl@thyssenkrupp.com

Facebook: https://pl-pl.facebook.com/thyssenkruppkariera

LinkedIn: https://www.linkedin.com/company/thyssenkrupp-gss-gdansk

Your benefits with us

• Attractive working conditions and social benefits: work in a big, international high-tech company, induction by a team of experienced professionals, sports cards (MultiSport & CityFit), MyBenefit platform, private medical care, life insurance, co-financing of glasses.
• Talent and development programs aimed at developing technical and soft skills: transparent career paths, training programs, access to training platforms, training budget, foreign languages classes.
• “Open door” culture - work in international environment, friendly working atmosphere: flexible working hours, possibility of remote work, tk Volunteer team, Sports Team, sports activities funded by company, relocation package (loaction: Gdańsk)

We value diversity

We value diversity and therefore welcome all applications - regardless of gender, nationality, ethnic and social origin, religion/belief, disability, age, and sexual orientation and identity.

Job Reference: PL_O_GSS00188