Pen tester
Job Description & Overview
What you'll do
Carry out advanced manual penetration tests across web, mobile, infrastructure, cloud and Active Directory
Run Red Team and assumed-breach engagements, as part of a team or on your own
Review architecture and source code for security weaknesses
Write clear technical reports and executive summaries, and present findings to clients
Mentor junior and mid-level testers, and help build internal tools and methodologies
Support pre-sales and occasionally work onsite with customersWhat you'll bring
5+ years of professional penetration testing experience, working independently
Manual testing skills that go well beyond running automated tools
Strong Windows, Unix and networking security knowledge
Scripting or development experience (e.g. Python, C#, Java, PHP)
Good knowledge of cloud environments
Certifications such as OSCP, OSEP, CRTO, CREST or equivalent
Excellent communication skills and confidence in front of clients
Reperio Human Capital acts as an Employment Agency and an Employment Business
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Key Details
- Date Posted: 08 Oct 2026
- Location: Dublin
- Employment Type: Contract
- Category: IT
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