Mission-Critical Penetration Tester (IT/OT)

Company: Thales Group
Apply for the Mission-Critical Penetration Tester (IT/OT)
Location: Oxford
Job Description:

Thales Group in Crawley, United Kingdom is seeking a skilled penetration tester to perform security assessments across IT and OT environments. You will influence secure design and mitigation strategies from early project stages through delivery.

Responsibilities include hands-on testing across Windows, Linux, mobile, web, and cloud, producing clear reports, and supporting accreditation activities. A degree in a related field and certifications such as CREST/OSCP/CEH/GPEN/GXPN are preferred.

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Posted: August 22nd, 2026