Penetration Tester in Kraków

Andersen is hiring a Penetration Tester for a project strengthening cybersecurity, identifying vulnerabilities, and mitigating security risks across complex digital environments. Our customer is a technology and consulting organization providing digital infrastructure, cloud services, cybersecurity, data-driven solutions, and managed IT support.

The project is focused on providing cybersecurity and digital services for international organizations within a large, heterogeneous, multi-tenant environment. It includes developing and strengthening vulnerability management capabilities to identify, assess, prioritize, and mitigate security risks across multiple organizations worldwide.

Responsibilities:

• Plan and perform penetration tests of web applications, APIs, internal and external networks, Active Directory and cloud environments.
• Carry out manual testing beyond automated scanning, including exploitation and privilege escalation within the agreed rules of engagement.
• Validate findings, assess business risk and produce clear technical and executive reports.
• Present results to system owners and management, and support remediation and retesting.
• Contribute to red teaming or purple teaming exercises with SOC and detection teams.
• Maintain testing methodologies, tools and templates.

Requirements:

• Experience in cybersecurity for 5+ years, including 3+ years in hands-on penetration testing.
• Experience with web application and API testing according to OWASP (Top 10, WSTG, ASVS).
• Experience conducting internal and external infrastructure testing, including Active Directory attacks.
• Working knowledge of standard tools (Burp Suite Pro, Nmap, Metasploit, BloodHound, Impacket, etc.).
• At least one recognized hands-on certification: OSCP, OSWE, OSEP, CRTO, eWPTX, GPEN or GWAPT.
• Clean professional records and willingness to undergo background verification.
• Level of English – from Upper-Intermediate and above.

Nice-to-haves:

• Hands-on experience with cloud penetration testing (Azure, Microsoft 365, AWS).
• Experience with mobile application testing (Android, iOS).
• Red Teaming or Purple Teaming experience, including familiarity with C2 frameworks.
• Strong scripting and security tooling skills (Python, PowerShell, Bash).
• Experience with PTES, OSSTMM or NIST SP 800-115 methodologies.
• Proven security research track record, such as published CVEs or recognized bug bounty findings.

Reasons why this job would be interesting to you:

• Experience in teamwork with leaders in FinTech, Healthcare, Retail, Telecom, and others.
• The opportunity to change the project and/or develop expertise in an interesting business domain.
• Job conditions – you can work both fully remotely and from the office or can choose a hybrid variant.
• Guarantee of professional, financial, and career growth!
• The company has introduced systems of mentoring and adaptation for each new employee.
• The opportunity to earn up to an additional 1,000 EUR per month, depending on the level of expertise, which will be included in the annual bonus, by participating in the company's activities.
• Access to the corporate training portal, where the entire knowledge base of the company is collected and which is constantly updated.
• Bright corporate life (parties / pizza days / PlayStation / fruits / coffee / snacks / movies).
• Certification compensation (AWS, PMP, etc).
• Referral program.
• Private health insurance and sports compensation, depending on the type of employment.

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