Penetration Tester (CTL - Infrastructure)

TN United Kingdom; Belfast; Hybrid; GBP 50,000 - 80,000; Full time

Job summary

An established industry player is seeking an experienced CREST Certified Tester Licence (CTL) - Infrastructure Penetration Tester to join their dynamic Belfast team. In this role, you will conduct ethical hacking and security testing across web, cloud, and mobile platforms, identifying vulnerabilities and advising clients on remediation. Your expertise in penetration testing and strong communication skills will be vital as you mentor junior testers and contribute to tool development. This position offers a flexible hybrid working model and the opportunity to work with clients who value security. If you are passionate about security and growth, this is the perfect opportunity for you.

Benefits

35 days holiday

Flexible working hours

Hybrid model

Mentorship opportunities

Qualifications

• 5+ years of penetration testing experience with a focus on web, cloud, and mobile platforms.
• Strong skills in identifying vulnerabilities and producing clear remediation reports.

Responsibilities

• Conduct penetration tests for diverse clients and provide actionable insights.
• Mentor junior testers and contribute to tool development.

Skills

Penetration Testing

Network Security

Web Application Security

Mobile Security Testing

Python Scripting

Shell Scripting

Communication Skills

Education

OSCP Certification

CSTL/CCT Certification

Tools

BurpSuite Pro

Metasploit

Nmap

Nessus

Job description

Social network you want to login/join with:

col-narrow-left

Client:

Location:

Belfast, United Kingdom

Job Category:

Other

-

EU work permit required:

Yes

col-narrow-right

Job Reference:

f23207e8d9c7

Job Views:

6

Posted:

24.04.2025

Expiry Date:

08.06.2025

col-wide

Job Description:

We're hiring an experienced CREST Certified Tester Licence (CTL) - Infrastructure Penetration Tester to join a dynamic, Belfast-based team delivering ethical hacking and security testing across web, cloud, and mobile platforms.

What You'll Do:

• Conduct infrastructure, web & mobile penetration tests for a diverse client base
• Identify vulnerabilities, produce clear reports & advise on remediation
• Contribute to tool/methodology development & mentor junior testers
• Support pre-sales & share knowledge through blogs or speaking opportunities

What We're Looking For:

• 5+ years of hands-on penetration testing experience
• Strong skills in network, web or mobile pen testing
• Proficient with tools like BurpSuite Pro, Metasploit, Nmap, Nessus
• Deep understanding of Linux, Windows, AD & scripting (Python, Shell)
• Certifications such as OSCP, CSTL/CCT or equivalent
• Excellent communication & reporting abilities
• UK SC clearance & right to work in the UK
• Negotiable salary for right candidate + bonus
• 35 days holiday, flexible working hours, hybrid model

Please apply now if you want to work with clients that value security and a team that values growth or reach out to Andrew Harrison directly for a confidential conversation.