Senior Penetration Tester

Senior Penetration Tester

Horsham - Hybrid (3 Days Per Week)

£75,000 - £85,000

VIQU are partnering with a leading financial services organisation to recruit a Senior Penetration Tester into their growing Cyber Defence function. This is a senior-level offensive security role sitting within a collaborative team spanning Offensive Security, SOC, Threat Intelligence and Vulnerability Management. The successful candidate will lead complex penetration testing engagements across web applications, cloud platforms, and critical business systems, whilst also contributing to Red Team exercises, Purple Team activities, attack simulations, and wider cyber defence initiatives. This role would suit an experienced penetration tester or offensive security professional who is comfortable operating independently, engaging with stakeholders, mentoring others, and taking ownership of security testing engagements from initial scoping through to delivery and remediation.

Key Responsibilities of the Senior Penetration Tester:

• Lead the scoping, planning, and delivery of complex penetration testing engagements
• Conduct security assessments across web applications, cloud environments, and infrastructure
• Support Red Team exercises, Purple Team activities, and attack simulations
• Produce high-quality technical reports and remediation recommendations
• Work closely with Cyber Defence teams to improve detection and response capabilities
• Support vulnerability validation and incident response activities
• Mentor junior team members and contribute to peer review activities
• Help evolve testing methodologies, tooling, and security best practices

Key Experience Required of the Senior Penetration Tester:

• 5+ years' experience delivering complex penetration testing engagements
• Proven experience leading testing activities from scoping through to reporting
• Strong experience across web application and cloud security testing (Azure and/or AWS)
• Experience participating in Red Team and Purple Team engagements
• Strong understanding of offensive security methodologies and current threat landscapes
• Excellent stakeholder management and communication skills
• Experience mentoring junior security professionals and sharing best practice
• Ability to operate independently and manage multiple testing engagements simultaneously
• Relevant certifications such as OSCP, CREST, SANS, CRTO, or equivalent
• Previous experience within an internal security team environment is beneficial but not essential

Apply now to speak with VIQU IT in confidence, or reach out to Katie Dark via the VIQU IT website.

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Senior Penetration Tester

Horsham - Hybrid (3 Days Per Week)

£75,000 - £85,000