Lead CTL/CTM Penetration Tester – Remote

Layer7; Manchester, Newcastle upon Tyne; Hybrid; GBP 123,000 - 167,000; Full time

Benefits offered by this job

Remote work

Competitive daily rate

Job summary

Layer7 is seeking an experienced CTL/CTM Penetration Tester to join a large Public Sector client project. The role is remote with occasional travel to Manchester and Newcastle-upon-Tyne, offering a daily rate of £785 outside IR35.

You will lead advanced penetration testing engagements across complex infrastructure, cloud, and containerised environments, delivering strategic findings and mentoring junior testers. The role requires CSTL or CCT, PriCSP certification, and valid security clearance.

Qualifications

• Proven experience leading penetration testing engagements in public sector/CNI environments.
• Ability to coach and mentor junior testers and deliver executive-level findings.
• Security clearance (SC) or eligible/active clearance is required.

Responsibilities

• Lead penetration testing engagements across infrastructure, applications, cloud services and containerised environments.
• Deliver detailed technical reports and executive-level findings for clients.
• Mentor junior testers and contribute to testing methodologies and tooling development.
• Communicate complex risks clearly to stakeholders and drive risk-based decisions.
• Support client workshops and security awareness sessions.

Skills

Penetration testing

Security leadership

Client communication

Education

CSTL

CCT

PriCSP

Tools

Azure

AWS

OCI

Docker

Kubernetes

Job description

Layer7 is seeking an experienced CTL/CTM Penetration Tester to join a large Public Sector client project. The role is remote with occasional travel to Manchester and Newcastle-upon-Tyne, offering a daily rate of £785 outside IR35.

You will lead advanced penetration testing engagements across complex infrastructure, cloud, and containerised environments, delivering strategic findings and mentoring junior testers. The role requires CSTL or CCT, PriCSP certification, and valid security clearance.