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Senior Penetration Tester
Horsham – Hybrid – Permanent
Competitive salary
VIQU has partnered with a leading organisation to recruit a Senior Penetration Tester to play a critical role in protecting business assets through the delivery of advanced offensive security services. This Senior Penetration Tester position offers the opportunity to lead complex engagements across network, application, and cloud environments while working closely with defensive teams on purple team exercises. The successful individual will combine deep technical expertise with strong stakeholder communication, helping translate business risk into actionable security improvements within a mature Cyber Defence function.
Key Responsibilities:
• Lead the scoping, planning, and delivery of complex penetration tests across networks, applications, cloud, and emerging technologies
• Conduct advanced offensive security assessments, identifying and exploiting vulnerabilities with clear remediation guidance
• Collaborate with defensive teams to design and execute purple team exercises to enhance detection and response capabilities
• Produce high-quality reports tailored to both technical and non-technical stakeholders
• Support vulnerability validation and provide technical expertise during incident response activities
• Mentor junior testers, promoting best practices and continuous team development
• Peer review testing methodologies and reports to ensure quality and consistency
• Stay current with evolving threats, tools, and techniques to improve overall security posture
• Contribute to secure development lifecycle (SDLC) security testing practices
• Support adherence to regulatory and industry standards including GDPR, PCI-DSS, and FCA guidance
Key Requirements:
• Minimum 5 years’ experience leading penetration tests across network, web, cloud, and red/purple team engagements
• Strong knowledge of penetration testing tools, techniques, and methodologies
• In-depth understanding of MITRE ATT&CK framework and adversarial TTPs
• Proven ability to identify, validate, and clearly articulate vulnerabilities and risk
• Experience producing high-quality reports with clear remediation guidance
• Knowledge of OWASP and application security principles
• Experience with automated, dynamic, and static security testing tools
• Ability to perform threat modelling and attack surface analysis
• Experience working with or managing third-party security providers
• Relevant certifications such as OSCP, CREST, SANS, CRTO or equivalent experience
Apply today to speak with VIQU in confidence or contact Belle Hegarty via the VIQU website
Know someone exceptional for this Senior Penetration Tester position? Refer them and receive up to £1,000 if successful (terms apply).
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Senior Penetration Tester
Horsham – Hybrid – Permanent
Competitive salary