[Hiring] Senior Penetration Tester @ThreatScene Greece

Role Description

We are looking for a Mid/Senior Penetration Tester to join our growing Offensive Team (Unit 13). In this role, you’ll conduct a wide range of offensive security assessments, collaborate closely with clients and internal teams, and help shape our penetration testing methodologies and capabilities.

• Conduct comprehensive penetration tests and vulnerability assessments across web applications, APIs, microservices, mobile applications, cloud environments, IT/OT infrastructure, and Wi-Fi networks.
• Lead phishing simulations and red teaming engagements.
• Collaborate closely with other penetration testers to enhance clients' overall security posture.
• Prepare detailed technical reports and executive-level presentations, clearly communicating findings, associated risks, and recommended remediation strategies.
• Develop and refine internal testing methodologies and offensive security tools.
• Lead or support on-site client engagements (occasional short-term travel within Greece may be required).
• Contribute to research and development in offensive security techniques, tooling, and emerging threat landscapes.
• Stay informed of the latest vulnerabilities, exploits, and cybersecurity trends.

Qualifications

• Bachelor’s degree in Cybersecurity, Information Technology, or a related field.
• A minimum of 3+ years of professional experience in penetration testing, including areas such as web applications, APIs, cloud environments, infrastructure, and mobile platforms.
• Skilled in application-level security testing, including technical assessments, source code reviews, and thick client security testing.
• Proficiency in at least one programming language, such as C, C++, C#, Python, or Golang.
• One or more relevant certifications, such as OSCP, OSCE, OSWE, OSEP, GPEN, GWAPT, GXPN, CRTP, CRTE, or similar.
• Strong technical, analytical, and problem-solving abilities.
• Effective communication skills, with experience presenting findings to both technical and non-technical audiences.
• Demonstrated experience in leading penetration testing teams or mentoring junior team members.
• Ability to work independently and as part of a collaborative team.

Requirements

• Master’s degree in Cybersecurity or a related field (preferred).
• Experience leading penetration testing teams or mentoring junior colleagues (preferred).
• Proven expertise in scoping and planning penetration testing engagements (preferred).
• Strong skills in application-level security testing, including technical assessments, source code reviews, and thick client testing (preferred).
• Experience conducting security configuration audits (preferred).

Benefits

We’re building the future of cyber — from compliance to resilience.