Senior Penetration Tester (CHECK) – Cloud & App Security

Company: Instil
Apply for the Senior Penetration Tester (CHECK) – Cloud & App Security
Location: Manchester
Job Description:

Instil is seeking a Senior Penetration Tester with CHECK to join our growing security team in Manchester. This hands-on role focuses on delivering penetration testing across infrastructure, cloud, web, and mobile applications for a diverse client base.

You will identify and remediate weaknesses, help shape our testing methodologies, and mentor junior testers. If you are passionate about offensive security and thrive on challenging projects in a supportive environment, we’d love to hear from you.

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Posted: July 13th, 2026