CREST Penetration Tester SC Clearance

Robert Walters; City Of London; On-site; GBP 80,000 - 100,000; Full time

Job summary

A global technology and consulting leader in the UK is seeking an experienced individual to lead threat intelligence-led penetration testing. This role requires a minimum of 5 years in penetration testing, along with CREST certification and eligibility for UK SC Clearance. Successful candidates will have a strong understanding of adversarial tactics and be adept at developing test plans and reports.

Qualifications

• 5+ years of experience in penetration testing.
• Strong understanding of adversarial tactics and threat intelligence.
• Eligible for UK SC Clearance.

Responsibilities

• Lead and manage threat intelligence–led penetration tests across various platforms.
• Develop advanced test plans and deliver detailed reports.
• Collaborate with client teams to enhance security capabilities.
• Contribute to research on emerging threats.

Skills

Threat intelligence

Penetration testing

Communication skills

Vulnerability management

Education

CREST CRT (or higher)

Certifications such as CISM, CISSP, ECSA, CREST CCT

Job description

Overview

Join a global technology and consulting leader delivering secure, innovative solutions across industries. We foster collaboration, inclusion, and continuous growth, with networks supporting diversity, equity, and belonging.

Responsibilities

• Lead and manage threat intelligence–led penetration tests across applications, infrastructure, cloud (AWS/Azure/O365), APIs, and OT


• Develop advanced test plans, identify critical assets, and deliver detailed, actionable reports for technical and business audiences


• Collaborate with client teams to enhance remediation, security monitoring, and blue team capabilities


• Contribute to research on emerging threats and attack techniques to strengthen proactive security

Qualifications

• CREST CRT (or higher) certification – essential


• 5+ years\' experience in penetration testing with strong understanding of adversarial tactics and threat intelligence


• Expertise across network, cryptography, vulnerabilities, and attack vectors


• Strong communication and reporting skills


• Experience with Breach Attack Simulation, vulnerability management, cloud security reviews (AWS/Azure/GCP), or frameworks like ISO 27001


• Certifications such as CISM, CISSP, ECSA, CREST CCT


• Eligible for UK SC Clearance is mandatory

Robert Walters Operations Limited is an employment business and employment agency and welcomes applications from all candidates