Cyber Security – Penetration Tester
Location: Belfast Hybrid (2 days in office / client site as required)
Type: Full-time | Flexible working hours | Hybrid
Our client is a long established and independent cyber security firm based in Belfast. As the premier NCSC-approved supplier for CHECK Penetration Testing in Northern Ireland, including Cyber Incident Exercising being conducted at the highest levels, along with Cyber Advisor – Cyber Essentials, they support clients across both public and private sectors. As they continue to grow, having recently secured several high-impact, multi-year contracts across Northern Ireland, they’re strengthening their technical team to meet demand.
They are looking for experienced Penetration Testers who are passionate about cyber security, thrive on technical challenges, and want to be part of a trusted and growing consultancy.
What You’ll Be Doing:
Conducting penetration tests across infrastructure, applications, cloud environments, mobile platforms and operational technology.
Performing both manual and automated testing using a range of tools and techniques.
Producing clear, concise reports with actionable remediation advice tailored to client needs.
Engaging directly with clients to understand requirements and deliver technical debriefs.
Staying ahead of evolving threats, techniques and industry standards.
Supporting the continuous development of internal tools, methodologies and capability.
What They’re Looking For:
Demonstrable experience in penetration testing (2+ years).
CTL or CTM status, or equivalent.
All CHECK Team Leaders (CTL) must hold a UK CSC Professional Title at Principal level or above.
Solid knowledge of networking, operating systems (Linux, Windows) and web technologies.
Proficiency with tools such as Burp Suite, Metasploit, Nessus and Kali Linux.
Familiarity with OWASP Top 10 and modern attack techniques.
Excellent communication skills – verbal and written, with the ability to explain findings to both technical and non-technical audiences.
UK or Irish nationality, or an equivalent status that permits full security clearance (sponsorship is not available).
What They Offer:
Hybrid working – home-based with 2 days per week in our client’s Belfast office or on client site as needed.
Flexible hours and a supportive, down-to-earth team culture.
Monthly team lunches and quarterly team days out.
Comprehensive pension and sick pay.
23 Flexible Leave days and 10 statutory public holidays each year.
Private Healthcare.
Annual Specsavers optical vouchers.
Exposure to a wide range of sectors, clients and technical environments.
Ongoing support for professional development and certifications.
Salary: £40,000 – £70,000 depending on experience and qualifications.
If you're looking to join a growing team delivering meaningful work across critical industries and want to make an impact without the bureaucracy, our client would love to hear from you.
