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Penetration tester

Dublin
Integrity360
Penetration tester
Posted: 30 January
Offer description

Get AI-powered advice on this job and more exclusive features.OverviewRole: Penetration Tester. You will perform hands-on technical security testing across a range of environments and technologies, working on complex and high-value projects. You will perform advanced manual testing (not just automated scans), exploit vulnerabilities, and deliver clear, actionable reports to clients. This role is ideal for someone with solid penetration testing experience who wants to advance technical skills and contribute to research and innovation within the team.What You Already Bring2+ year of practical penetration testing experience (in labs, personal projects, or professionally)Strong understanding of core security concepts (e.g., OWASP Top 10, CVSS, MITRE ATT&CK)Solid grasp of networking fundamentals, ports/protocols, basic Windows/Linux internalsExperience with common tools: Nmap, Burp Suite, Gobuster, Metasploit, BloodHound, etc.Manual testing exposure — not just automated scansBasic scripting or coding (e.g., Python, Bash, PowerShell)Good communication and documentation skillsNice to Have (But Not Required)Practical experience in one or more of: Active Directory attacks; Cloud (AWS/Azure) testing basics; Social engineering; Source code reviewCertifications such as OSCP or similarContributions to CTFs, Hack The Box, or bug bounty programsWhat We OfferA clear career path from Associate → Mid-Level → Senior → Red TeamSupport for certifications, lab access, and personal developmentInternal mentoring and hands-on trainingExposure to real client projects and cutting-edge engagementsA high-performing, international team where you can grow fastKey ResponsibilitiesConduct penetration tests and technical security assessments on:Web applications and APIsMobile applicationsNetwork infrastructure (internal and external)Cloud and hybrid environmentsSocial engineering scenarios (as needed)ConsultancyOther offensive security servicesReview system architecture and application designs for security weaknessesExploit and escalate vulnerabilities to demonstrate real-world riskDocument technical findings and produce high-quality reports with remediation guidanceStay current with the latest attack techniques, vulnerabilities, and toolsParticipate in internal knowledge sharing, tool development, and security researchSupport sales activities with technical insights when needed (e.g., scoping calls, workshops)Represent Integrity360 in client engagements, technical discussions, or industry forumsRequired Skills / ExperienceHands-on experience as a penetration tester, with a proven track record of delivering quality security assessmentsIndustry experience working in Dev/Admin/Engineer fieldIndustry experience working in the Information security field as a penetration testerDevelopment and/or source code review experience in C/C++, C#, VB.NET, ASP, PHP, Java, Python or RubyUnix, Windows and networking security skillsFamiliarity with general application and network security conceptsExcellent communication skillsManual penetration testing experience above and beyond running automated toolsNetworking knowledge (ports, protocols, firewalls, routing, VPN)Understanding of Security Auditing toolsEthical hacking experienceReport writing experiencePresentation skillsScripting/coding, sys admin or networking experienceUnderstanding of programming methodologies in one or more programming or scripting languages: Java, Python, C/C++, C#, .NET, ASP, PHPPersonal SpecificationUrgent desire to learn with a passion for technologyMotivated by being at the forefront of technology, and pushing technology boundariesMotivated by the thrill of being able to “break” systemsWillingness to work late when requiredWillingness to travel when required, possibly abroadAnalytical and critical thinkerGood written English skillsProblem-solving skillsEfficientAnalyticalPersistenceAttention to detailCertifications/QualificationsOne of the industry-leading qualifications (OSCP, CyberScheme, CREST, OSCE, OSWP)A degree in Computer Science, Cybersecurity, or related field is preferred, but practical experience and demonstrable skill are highly valued.
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