Senior Cloud Penetration Tester

You’ll lead high-assurance testing for a large public sector organization, across Azure, AWS and Kubernetes as well as infrastructure, web applications and APIs. It’s a hands‑on lead role at CHECK Team Leader level: running engagements, presenting findings to senior stakeholders and developing the testers around you.

• Location: Remote, with occasional travel to Manchester and Newcastle upon Tyne
• Clearance: Valid SC required
• Level: Senior, team leader

What you’ll actually do

• Lead and deliver penetration tests across internal and external infrastructure, web applications, APIs, cloud and containerised environments
• Assess Azure, AWS, Kubernetes, IAM and CI/CD pipelines, including hybrid and cloud-native setups
• Carry out security architecture, firewall configuration, build and code reviews
• Write detailed technical reports and executive summaries, and explain complex risks to stakeholders in plain terms
• Mentor and coach junior testers, and help improve testing methodology, tooling and the wider service
• Contribute to client workshops, awareness sessions and technical training

What you’ll need

• CSTL (Cyber Scheme Team Leader) or CCT (CREST Certified Tester)
• Principal UK Cyber Security Council Professional (PriCSP)
• Valid SC clearance
• Testing experience in public sector, CNI or large enterprise environments
• Experience leading teams of testers on complex engagements covering cloud, infrastructure, Kubernetes, web apps and APIs
• Strong manual testing skills and a current understanding of attack techniques, threat actors and defensive controls

Nice to have

• Docker and CI/CD pipeline security assessments
• Security code review

Why it’s worth a look

Remote working, a genuinely broad mix of environments from on-premises infrastructure through to Kubernetes, and real influence over how the testing service develops.

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