Penetration Tester

ING Group; Katowice; On-site; PLN 80,000 - 100,000; Full time

Job summary

A leading financial services firm in Poland is seeking an experienced penetration tester to conduct security assessments and evaluate vulnerabilities across applications and infrastructure. The ideal candidate will have several years of hands-on experience, proficiency in tools like Burp Suite and Nmap, and strong problem-solving skills. This role offers a dynamic international environment and the chance to work with the latest security technologies.

Qualifications

• Several years of hands-on experience in penetration testing and vulnerability assessment.
• Good knowledge of programming and scripting languages.
• Fluent in English (B2/C1 level).

Responsibilities

• Conduct comprehensive penetration tests on applications and infrastructure.
• Evaluate and report on vulnerabilities, providing remediation guidance.
• Collaborate with teams to improve security posture.
• Stay updated with emerging threats in offensive security.

Skills

Penetration testing

Vulnerability assessment

Programming and scripting languages

Analytical skills

Problem-solving skills

Education

Higher technical education in Information Technology

Tools

Burp Suite

Nmap

Ghidra

IDA

Frida

Job description

We are looking for you if you:

• Have several years of hands‑on experience in penetration testing and vulnerability assessment
• Are proficient in various penetration testing tools and methodologies such as Burp Suite, Nmap, Ghidra, IDA, Frida, and others
• Have good knowledge of programming and scripting languages
• Possess strong analytical and problem‑solving skills to identify and exploit vulnerabilities
• Hold relevant hands‑on certifications (e.g., eWPTX, OSWE, OSEP, BSCP, CPTS and others)

English level : Communicate fluently in English (B2/C1 level)

You’ll get extra points for:

• Knowledge of advanced persistent threats (APTs) and modern attack techniques
• Experience with cloud security and testing cloud environments
• Contributions to the cybersecurity community (e.g., published research, registered CVEs, conference presentations)
• Higher technical education, preferably in Information Technology
• Holding additional security certifications (e.g., CISSP, CISA, CISM and others)
• Experience working in an international environment

Your responsibilities:

• Conduct comprehensive penetration tests on applications, infrastructure, and systems
• Evaluate and report on the risk of identified vulnerabilities, providing actionable remediation guidance
• Support the implementation of IT security requirements and standards across projects
• Collaborate with development and infrastructure teams to improve security posture
• Mentor and support other team members
• Contribute to the development and refinement of internal testing methodologies and tools
• Stay up to date with emerging threats, tools, and techniques in offensive security

Information about the squad:

As a member of our global CISO, you will join the Offensive Security Center of Expertise (CoE), which plays a key role in proactively identifying security risks across the organization. This is a strategic initiative for the company, focused on enhancing cyber resilience through advanced penetration testing and red teaming. You will work in a modern, international environment with access to the latest tools and technologies.