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nineDots.io

Penetration Tester

nineDots.io
Ireland · Full-time · Mid-Senior

An experienced penetration tester is required to focus on advanced web and mobile application testing. The role involves leading test efforts, replicating real-world attack techniques, developing targeted exploits, and delivering clear, actionable findings to technical and business teams.


Key Responsibilities:

  • Perform in-depth penetration testing of web applications and supporting systems
  • Model attacker techniques and produce targeted proof-of-concepts
  • Analyse results, prepare detailed reports, and present findings to stakeholders
  • Contribute to tool development and research for vulnerability discovery


Skills & Experience:

  • 5+ years’ hands-on web application penetration testing
  • Strong manual testing experience across OWASP Top 10
  • Proficiency with tools such as Burp Suite Pro, Kali, Metasploit, Nmap
  • Knowledge of programming/scripting (Python, Java, JavaScript, C#, SQL)
  • Security certifications (OSCP, GWAPT, GPEN, etc.) preferred


This role suits a penetration tester who thrives on dissecting complex web applications, identifying vulnerabilities, and ensuring weaknesses are fully remediated.


Role is hybrid with 1 week per month onsite in the Dublin office

Work permit sponsorship is not available

salary is 70K with a 15% bonus

Key Skills

Ranked by relevance

penetration testing javascript metasploit burp suite python owasp java oscp pan c
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Posted
Sep 09, 2025
Type
Full-time
Level
Mid-Senior
Location
Dublin

Industries

Financial Services

Categories

Information Technology

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