We are seeking a skilled Penetration Tester to join our cybersecurity team supporting a key client in the banking industry. This role involves assessing and strengthening the security posture of a wide range of systems, including web applications, cloud environments, and infrastructure components. The position is based in Warsaw, with a hybrid work model requiring on-site presence three times per week.
responsibilities :
Perform penetration testing of web applications, infrastructure, and cloud platforms
Identify and demonstrate impactful vulnerabilities using source code access and technical analysis
Analyse server configurations, application logic, and security controls to discover weaknesses
Collaborate with development and infrastructure teams to provide remediation strategies
Develop or utilize proof-of-concept exploits to validate critical findings
Share knowledge and best practices within the internal cybersecurity community
requirements-expected :
Minimum 4 years of hands-on experience in penetration testing across web, infrastructure, and cloud environments
Strong understanding of web security and vulnerability chaining
Familiarity with tools such as Burp Suite, Wireshark, Ghidra, or netcat
Proficiency in at least one programming language, e.g., Java, Python, JavaScript, C++
Good knowledge of networking protocols and the TCP/IP stack
Understanding of cryptography principles and their practical applications
Fluency in English (spoken and written)
offered :
Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
We share the profit with Workers - over PLN 60M has already been allocated for this aim since 2022
Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
Comfortable workplace – class A offices or remote work
Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
Investment in your growth – meetups, webinars, training platform and technology blog – you choose
Fantastic atmosphere created by all Sii Power People
