Penetration Tester
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At a glance
Technologies & skills
Cloud & infrastructure
What you'll be doing
Contract Penetration Tester role in Ireland (hybrid, Dublin). Responsibilities include planning and conducting penetration tests on web apps, APIs, networks, cloud, and infrastructure, identifying vulnerabilities, producing technical reports, and supporting remediation. Experience with security tools and methodologies required.
- Plan and conduct penetration tests and vulnerability assessments
- Test web applications, APIs, networks, cloud environments, and infrastructure
- Identify, validate, and assess security vulnerabilities
- Produce clear technical reports outlining findings, risks, and remediation recommendations
- Work with development and infrastructure teams to support vulnerability remediation
- Keep up to date with emerging threats, attack techniques, and security tools
- Support security testing requirements for new systems and applications
Key requirements
Must-have
- Proven experience in penetration testing or offensive security
- Strong knowledge of web, network, API, and cloud security
- Experience with tools such as Burp Suite, Nmap, Metasploit, and Kali Linux
- Understanding of OWASP methodologies and common security vulnerabilities
- Strong analytical and report-writing skills
Nice-to-have
- Certifications such as OSCP, CREST, or CEH
Role signals
- Technical focus
- security
- Hands-on vs management
- Hands-on
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Full job description
**Penetration Tester **
- €450 -500
- 6-month contract
- Dublin
- Hybrid
- Stamp 4 or 1g (spousal required)
Key Responsibilities
- Plan and conduct penetration tests and vulnerability assessments.
- Test web applications, APIs, networks, cloud environments, and infrastructure.
- Identify, validate, and assess security vulnerabilities.
- Produce clear technical reports outlining findings, risks, and remediation recommendations.
- Work with development and infrastructure teams to support vulnerability remediation.
- Keep up to date with emerging threats, attack techniques, and security tools.
- Support security testing requirements for new systems and applications.
Requirements
- Proven experience in penetration testing or offensive security.
- Strong knowledge of web, network, API, and cloud security.
- Experience with tools such as Burp Suite, Nmap, Metasploit, and Kali Linux.
- Understanding of OWASP methodologies and common security vulnerabilities.
- Strong analytical and report-writing skills.
- Certifications such as OSCP, CREST, or CEH are desirable.
Reperio Human Capital acts as an Employment Agency and an Employment Business.
Interview prep pack
Grounded in this listing. Use it to prepare examples before you apply.
Your interview focus
Based on this listing, the role focuses on hands-on penetration testing across web, network, API, and cloud environments, with an emphasis on vulnerability assessment, technical reporting, and collaboration with technical teams.
- Hands-on technical expertise·High
- Analytical and reporting skills·High
- Collaboration with technical teams·Medium
Only have 30 minutes?
Follow a focused preparation plan based on this job.
Start 30-minute prep
Your 30-minute plan
Review Recent Penetration Testing Engagements
0–8 minSelect 1-2 recent projects to discuss, focusing on methodology, tools, and outcomes.
Practice Tool Demonstrations
8–15 minRefresh hands-on skills with Burp Suite, Nmap, Metasploit, and Kali Linux.
Update Knowledge on OWASP and Vulnerability Prioritization
15–20 minReview the latest OWASP Top 10 and risk assessment frameworks.
Prepare Technical Report Samples
20–25 minGather or outline examples of clear, actionable security reports.
Draft Role-Specific Questions
25–30 minPrepare thoughtful questions about the team, processes, and challenges.
Talking points
, 5 itemsEnd-to-End Penetration Testing Process
Be ready to describe your approach to planning, executing, and reporting on penetration tests, as the role requires ownership of the full testing lifecycle.
Experience with Security Tools
Demonstrate hands-on proficiency with Burp Suite, Nmap, Metasploit, and Kali Linux by sharing specific examples of their use in real-world assessments.
OWASP and Common Vulnerabilities
Show your understanding of OWASP methodologies and how you identify, validate, and prioritize vulnerabilities in various environments.
Technical Report Writing
Prepare to discuss how you communicate findings, risks, and remediation steps clearly to both technical and non-technical stakeholders.
Collaboration for Remediation
Highlight your experience working with development and infrastructure teams to support and verify remediation efforts.
What to research
, 4 itemsReview Penetration Testing Methodologies
Refresh your knowledge of end-to-end penetration testing processes, including planning, execution, and reporting.
Hands-on Practice with Security Tools
Ensure proficiency with Burp Suite, Nmap, Metasploit, and Kali Linux through recent practical exercises.
OWASP Top 10 and Vulnerability Assessment
Study the latest OWASP Top 10 and be ready to discuss how you identify and prioritize vulnerabilities.
Technical Report Writing
Prepare examples of technical reports you have written, focusing on clarity and actionable recommendations.
Questions to ask
, 6 itemsWhat types of systems and applications are most frequently tested in this role?
Why ask this? Clarifies the technical scope and helps tailor your examples to their environment.
How is collaboration structured between the penetration testing team and development/infrastructure teams?
Why ask this? Gains insight into cross-team workflows and expectations for remediation support.
What is the typical process for reporting and tracking remediation of vulnerabilities?
Why ask this? Helps understand the reporting standards and follow-up procedures.
Are there opportunities to contribute to security testing for new systems or technologies?
Why ask this? Assesses potential for involvement in innovative or greenfield projects.
What are the main challenges the team is currently facing in penetration testing or vulnerability management?
Why ask this? Identifies pain points where you can add value.
How does the team stay updated on emerging threats and new attack techniques?
Why ask this? Shows your interest in continuous learning and team culture.
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