Senior Penetration Tester (CHECK / CREST)

Hiring: Senior Penetration Tester (CHECK / CREST) – Fully Remote (GB based)

Salary: Up to £70k based on experience | Travel: Client sites when needed | Clearance: Must be eligible for SC

Cyber Guarded Ltd is expanding! We're a long-established, independent cyber security company and the leading NCSC CHECK provider in Northern Ireland now growing across the UK.

We're looking for an experienced Penetration Tester (not entry level) to deliver high-assurance testing across infrastructure, web, cloud and OT environments. This is a fully remote role within Great Britain, with occasional client-site visits.

What You'll Do

• Deliver CHECK-level 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 We're Looking For

• 3–5+ years professional penetration testing experience
• CHECK Team Member/Leader OR CREST CRT (or ready to pass soon)
• 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
• Based in Great Britain (England/Scotland/Wales) – not NI

What We Offer

• Fully remote working (GB based)
• 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**