ONSITE - Contract - Penetration Tester (Mid-Level) - Long-Term Project in Madrid!Join a long-term security programme based in Madrid, where you’ll play a key role in identifying and mitigating security risks across complex environments. This onsite contract offers the opportunity to work hands-on across web, cloud, and internal systems where you’ll be part of a collaborative security team, delivering end-to-end penetration testing while working closely with stakeholders to strengthen overall security posture.What You’ll Be Doing- Lead and execute penetration testing activities across web, cloud, and internal networks- Own engagements end-to-end – from scoping and testing to reporting and presenting findings- Identify vulnerabilities using a range of tools and methodologies (e.G. OWASP, Burp Suite)- Collaborate with technical and non-technical stakeholders to explain risks clearly- Support remediation efforts and help teams resolve security issues- Work across multiple environments including applications, infrastructure, and cloud- Contribute to continuous improvement of security practices and processesWhat We’re Looking For- 2–4 years of experience in penetration testing or offensive security- Strong hands-on experience with web and network security testing- Familiarity with tools such as Burp Suite, OWASP, Nessus, Metasploit or similar- Experience working across environments (web, cloud, internal networks)- Strong communication skills with the ability to present findings clearly- Fluent English is essentialWhy This Role?- Long-term contract opportunity with strong extension potential- Work onsite in Madrid on impactful security projects- Exposure to a wide range of technologies and environments- Opportunity to take ownership while continuing to develop your skills- High-visibility role working closely with stakeholders and technical teams