Penetration Tester Team Lead (CHECK) - Systems Integrator

Hamilton Barnes Associates Limited; United Kingdom; Remote; GBP 100,000 - 125,000; Full time

Job summary

A leading cybersecurity provider is seeking a Lead Penetration Tester to enhance its offensive security program. This fully remote, outside IR35 contract position involves architecting testing strategies for infrastructure and web applications, mentoring team members, and collaborating with engineers on security improvements. Ideal candidates will have over 5 years of experience in penetration testing and a strong grasp of security architecture. Up to £450 per day offered.

Qualifications

• 5+ years of leading infrastructure and web-app penetration tests.
• Deep understanding of security architecture and network protocols.
• Expert use of industry-standard tools and custom scripting.

Responsibilities

• Architect, plan, and oversee penetration tests.
• Conduct deep-dive tests on high-risk systems.
• Evaluate new tools and techniques for improvements.
• Engage stakeholders to align on security priorities.

Skills

Penetration testing

Security architecture

Vulnerability assessment

Risk management

Tools

Burp Suite

Metasploit

Cobalt Strike

Job description

Are you ready to take the lead in offensive security?

Join a multi‑award‑winning cybersecurity provider recognised for delivering world‑class managed security services, CREST‑accredited penetration testing, and cutting‑edge cyber defence strategies. With a proven track record of helping organisations strengthen their security posture and stay ahead of evolving threats, the team has become a trusted partner for enterprises across highly regulated industries, including finance, government, and critical infrastructure. The team is seeking a Lead Penetration Tester to own and elevate its offensive security program. In this fully remote, outside IR35 contract role, the position involves defining and executing end‑to‑end infrastructure and web‑app testing strategies, mentoring a team of testers, collaborating with architects and engineers on remediation, and continuously refining methodologies to counter emerging threats.

Looking for a role where leadership meets technical depth? Apply now!

Responsibilities:

• Define & Lead Testing Strategy - Architect, plan and oversee end-to-end penetration tests for infrastructure and web applications, ensuring coverage of critical assets and compliance requirements
• Advanced Assessment & Analysis - Personally conduct deep-dive tests on high-risk systems, interpret results, and translate findings into clear, actionable remediation roadmaps
• Continuous Improvement - Keep our offensive security playbook current -evaluate new tools, techniques and threat intelligence, and introduce enhancements to testing frameworks
• Stakeholder Collaboration - Engage senior engineers, architects and risk teams to align on security priorities, drive remediation projects, and validate fixes.

Requirements:

• Extensive Pen-Test Experience - 5+ years leading infrastructure and web-app penetration tests, with proven track record on large-scale environments.
• Security Strategy Acumen - Deep understanding of security architecture, network protocols, cloud and on-prem systems, and the ability to translate risk into technical controls.
• Tooling & Techniques Mastery - Expert use of industry-standard tools (eg Burp, Metasploit, Cobalt Strike) as well as custom Scripting for vulnerability discovery.

Location:

• Fully Remote

Duration:

• 3 Months

Salary:

• Up to £450 Per Day (Outside IR35)