Senior Cybersecurity Penetration Tester
199864
Desired skills:
Penetration-testing, Application, security, Offensive-tooling, Vulnerability-analysis, Threat-modelling
Senior Penetration Tester
Location: Dublin
Type: Full-Time
Salary: €90,000 - €110,000
A large, mature security function is expanding its offensive security team and adding a senior penetration tester to lead application and platform assessments across a wide technology estate. The team focuses on proactive testing, modelling attacker behaviour, and helping engineering groups remediate weaknesses in a practical, collaborative way.
It's a high-visibility role with exposure to a broad mix of web, mobile, API and internal applications in a complex enterprise environment.
The Role
You'll lead penetration testing engagements, end-to-end scoping, manual testing, reporting and presenting results to engineering and product teams.
Primary Responsibilities
1. Conduct manual application, API and mobile penetration tests
2. Model attacker behaviour and replicate real-world techniques
3. Analyse findings, build exploit proofs and document results clearly
4. Present outputs to engineering and security stakeholders
5. Provide guidance on remediation and secure design
6. Contribute to tooling improvements and internal research efforts
7. Collaborate with wider security teams to strengthen overall controls
8. Stay current with emerging attack patterns, frameworks and vulnerabilities
Skills & Experience
9. 5+ years in penetration testing / ethical hacking roles
10. Strong manual testing capability across OWASP Top 10 categories
11. Experience with common security tools (Burp Suite, Kali, nmap, Wireshark,
12. Good understanding of authentication, authorisation and application security mechanics
13. Ability to write or script in at least one language (Python, JavaScript, Java,
14. Familiarity with web technologies (REST, JSON, SOAP) and modern frameworks
15. Strong reporting, communication and presentation skills
16. Relevant certifications (OSCP, GWAPT, GPEN, are advantageous
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