Salary: £70,000 - 70,000 per year Requirements: 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). Responsibilities: 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. Technologies: Cloud Support Linux Mobile OWASP Security Web Windows More: We are Cyber Guarded Ltd, a long-established and independent cyber security firm based in Belfast. As the premier NCSC-approved supplier for CHECK Penetration Testing in Northern Ireland, we support clients across both public and private sectors. With our recent growth and successful acquisition of several high-impact, multi-year contracts, we're strengthening our technical team to meet demand. We seek experienced Penetration Testers who are passionate about cyber security, thrive on technical challenges, and want to be part of a trusted and growing consultancy. We offer hybrid working with 2 days per week in our Belfast office or on client site as needed, along with flexible hours and a supportive, down-to-earth team culture. Our benefits include monthly team lunches, comprehensive pension and sick pay, 23 flexible leave days, 10 statutory public holidays, private healthcare, annual Specsavers optical vouchers, exposure to a wide range of sectors, and ongoing support for professional development and certifications. Salary ranges from £40,000 to £70,000, depending on experience and qualifications. If you’re looking to join a growing team delivering meaningful work across critical industries, we’d love to hear from you. last updated 13 week of 2026