Penetration Tester
About the Role
We are looking for a skilled and curious Penetration Tester to join our security team. You will be responsible for simulating real-world attacks against our clients' infrastructure, applications, and people helping them find and fix vulnerabilities before malicious actors do. You'll work across a variety of engagements, from black-box network assessments to red team operations, and produce clear, actionable reports for both technical and executive audiences.
Key Responsibilities
- Plan and execute penetration tests across web applications, APIs, internal/external networks, cloud environments, and mobile applications.
- Conduct red team exercises including social engineering, phishing simulations, and physical security assessments.
- Identify, exploit, and document vulnerabilities in a controlled and responsible manner.
- Produce high-quality written reports detailing findings, risk ratings, and remediation recommendations.
- Present results to both technical teams and non-technical stakeholders.
- Stay current with the latest attack techniques, CVEs, and security research.
- Contribute to internal tooling, playbooks, and methodology development.
- Optionally support clients through remediation and re-testing cycles.
Required Skills & Experience
- 2+ years of hands-on penetration testing experience (commercial or demonstrable equivalent).
- Proficiency with industry-standard tools: Burp Suite, Metasploit, Nmap, Nessus/OpenVAS, Cobalt Strike or similar C2 frameworks, Bloodhound/SharpHound, Impacket.
- Strong understanding of OWASP Top 10 and common web application vulnerabilities.
- Experience with Active Directory attacks (Kerberoasting, Pass-the-Hash, lateral movement).
- Familiarity with at least one scripting/programming language (Python, Bash, PowerShell).
- Ability to write clear, structured, professional pentest reports in English.
- Knowledge of common compliance frameworks (ISO 27001, NIS2, DORA, PCI-DSS) is a plus.
Nice to Have
- Certifications such as OSCP, OSEP, CEH, CREST CRT/CCT, or equivalent.
- Experience with cloud penetration testing (AWS, Azure, GCP).
- Mobile application testing (Android/iOS).
- Contributions to open-source security tools or CVE disclosures.
- Experience in OT/ICS or embedded systems security.
Key Skills
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- Posted
- May 26, 2026
- Type
- Full-time
- Level
- Mid-Senior
- Location
- Poland
- Company
- Cyberr®
Industries
Categories
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