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Posted 07 August, 2026

Penetration Tester

Reed
Basingstoke, ENG, GB Full Time

Job Description

Location: Leeds, Bristol or London (Hybrid)Clearance: SC Cleared (essential)

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We're looking for an experienced Senior Penetration Tester to join a leading Cyber Defence team delivering high-profile engagements across Government, Defence and commercial clients.

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Key requirements:

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  • CREST CCT-App certified (or working towards)
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  • Strong application security testing experience
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  • Web application, API and mobile testing expertise
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  • Excellent technical reporting and client-facing skills
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  • UK cyber security industry experience
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  • SC clearance eligibility
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Desirable:

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  • CCT-INF
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  • NCSC CTAS/CPA knowledge
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  • Defence or Government experience
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  • Threat Intelligence or security research background
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What's on offer:

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  • Interesting and challenging Government and Defence projects
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  • Hybrid working
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  • Ongoing training and development
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  • Strong career progression
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  • Competitive salary and benefits
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If you're passionate about offensive security and application testing and want to work on some of the UK's most complex cyber security challenges, we'd love to hear from you.