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Penetration Tester @ Yolk Recruitment Limited

Ocean Way, Cardiff CountyOnsiteFull-time
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About this role

Salary: £80,000 - 80,000 per year

Requirements: We ideally have experience in several of the following:Commercial penetration testing experienceInfrastructure and application security testingStrong knowledge of attacker TTPs and offensive security methodologiesVulnerability assessment and security risk managementExperience working with or assessing OT, ICS or industrial environmentsExcellent technical reporting and stakeholder communication skills Responsibilities: We plan and deliver penetration testing across a diverse technology estate, including traditional IT infrastructure, business applications and Operational Technology.We deliver infrastructure, web application and internal penetration testing.We assess Operational Technology and industrial environments using safe testing methodologies.We research new vulnerabilities, exploits and attacker techniques.We identify weaknesses across people, processes and technology, including social engineering and information leakage.We produce clear technical reports with practical remediation advice.We support vulnerability management and technical risk assessment.We manage external penetration testing providers where required.We work closely with security, infrastructure and engineering teams to improve resilience.We prioritise remediation, improve security controls and provide expert guidance on emerging threats. Technologies: SupportSecurityWeb More:

We are an established cyber security function offering a varied technical role with exposure to modern enterprise environments as well as industrial control systems and critical infrastructure. The role is hybrid based in South Wales and comes with a competitive salary, annual bonus, excellent pension, ongoing technical training and certification support, and long-term career progression within a growing cyber security team. We value technical excellence, continuous learning and innovation, and we offer the chance to make a genuine impact by protecting systems that underpin critical services used by millions of people across the UK.

last updated 32 week of 2026

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