Cyber Guarded Ltd is expanding! Were a long-established, independent cyber security company and the leading NCSC CHECK provider in Northern Ireland now growing across the UK. Were looking for an experienced Penetration Tester (not entry level) to deliver high-assurance testing across infrastructure, web, cloud and OT environments. This is a hybrid role - with one office day and occasional client-site visits. What Youll Do Deliver infrastructure, web, cloud and OT penetration tests Own assessments end-to-end: scoping ? testing ? reporting ? client debriefs Develop tooling, methodologies, and contribute to internal R&D Work with a supportive, senior technical team on meaningful real-world challenges What Were Looking For 2+ years professional penetration testing experience Strong grasp of networks, AD, Linux/Windows internals, and web technologies Proficiency with Burp, Kali, Metasploit, Nessus, scripting, etc. Must be a UK or Irish citizen, SC-clearable, 5 years UK residency What We Offer Hybrid - one day only in the Belfast office Flexibility + supportive, down-to-earth team Private healthcare, pension, sick pay 25 days leave + statutory holidays Professional development & certification support Exposure to diverse clients and critical industry environments **Shortlisted applicants only will be contacted** Skills: Penetration Test Penetration Testing Tool Application Security Ethical Hacking Malware Analysis Vulnerability analysis Burp suite Benefits: Work From Home private healthcare flexible working monthly time lunches quarterly team days out Optical vouchers