Senior Penetration Tester – (UK only - Must be eligible for Security Clearance)
Location: UK (Leeds, Bristol, London or Remote)
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Step up your game in cybersecurity. We’re looking for an experienced Senior Penetration Tester who thrives on pushing boundaries, thinks like an attacker, and delivers like a pro. You’ll be joining a tight-knit team of passionate ethical hackers tackling high-impact, real-world cyber threats across both government and commercial landscapes.
What You’ll Be Doing:
* Lead and deliver hands-on penetration tests
* Mentor junior testers and review technical outputs
* Collaborate with clients and provide expert guidance
* Feed into proposals and help shape strategic direction
* Continuously grow your technical and consulting skills
What You’ll Need:
NCSC CHECK Team Member status
Solid UK penetration testing experience (ideally across varied environments)
Technical depth in networks, systems, and application testing
Strong communication and reporting skills
A hacker mindset and the drive to stay ahead of evolving threats
Clear and demonstrable understanding of penetration testing and red-teaming including NCSC and CREST accredited schemes
Why This Role?
? Tackle engagements you won’t find elsewhere — including national defence and critical infrastructure
? Join a collaborative, friendly team that supports your development
? Flexibility to work remotely or from offices in Leeds, London or Bristol
? Grow into leadership and shape how testing is delivered to top-tier clients
No degree? No problem. If you’ve got the skills, passion, and mindset, we want to hear from you.
Apply now or reach out to r.kelly@ltharper.com and take the next step in your cyber career.
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