SC Cleared Penetration Tester, Outside IR35, 6 Months

Tria; Ringway; Remote; GBP 111,000 - 129,000; Full time

Job summary

Tria is seeking a highly skilled SC-cleared Penetration Tester to support a public sector client and elevate security testing outcomes. You will lead engagements across complex infrastructure and cloud environments, guiding peers and shaping robust security postures.

The role emphasizes cloud pen testing with AWS focus, container tools such as Docker and Kubernetes, and a track record of working with public sector customers. Remote work is offered with occasional travel to Manchester.

Qualifications

• Active SC clearance required.
• Strong cloud penetration testing experience, AWS preferred.
• Experience delivering testing services to the public sector.
• Hands-on with Docker and Kubernetes container tooling.
• Ability to lead and deliver engagements with technical guidance.

Responsibilities

• Lead and deliver penetration testing engagements.
• Provide expert guidance and technical leadership to colleagues.
• Identify vulnerabilities and strengthen client security posture.

Skills

Cloud Pen Testing

IAM security

Cybersecurity practices

Team leadership

Tools

Docker

Kubernetes

Job description

SC Penetration Tester

£600 - £700 A Day Outside IR35

6 Months

Remote (Occasional Manchester travel)

We are looking for a security cleared penetration tester to support a public sector customer to deliver high-assurance security testing.

The role offers the opportunity to work on complex infrastructure, cloud, containerised, and enterprise environments, helping clients identify vulnerabilities and strengthen their security posture. You will be responsible for leading and delivering penetration testing engagements while providing expert guidance, coaching, and technical leadership to colleagues and clients.

Required experience:

• Strong Cloud Pen testing experience, ideally AWS
• Exposure to container tools such as Docker and Kubernetes
• Check Team Lead either active or recent
• Strong understanding of CyberSecurity Practices
• Identity and Access Management (IAM) security
• Experience delivering into the public sector
• Active SC clearance