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AfterDuty

Security Tester (Contract)

Searchability · London, Greater London

Salary
£1,000 a dayEstimated
Type
Contract
Posted
9 days ago

Overview

Your experience in digital forensics or cybercrime investigation provides a foundation, but this role demands deep cloud security testing expertise.

About this role

Security Tester, Oracle Cloud Infrastructure – London, UK

  • Up to £1,000 per day, depending on experience
  • 12-month contract engagement
  • London, hybrid working with 4 to 5 days per week onsite
  • Active eDV clearance required

ABOUT THE CLIENT

Our client is a major technology and consulting organisation delivering a high-profile cloud transformation programme within a secure environment. They are looking for an experienced Security Tester to strengthen security assurance across Oracle Cloud Infrastructure, architecture, networks and access controls.

THE BENEFITS

  • Rate of up to £1,000 per day, depending on experience
  • Long-term, 12-month contract
  • Work on a complex, high-profile cloud programme
  • Collaborate with experienced architecture, engineering and security teams
  • Opportunity to provide technical leadership at SFIA Level 5 or 6

THE SECURITY TESTER ROLE

As Security Tester, you will develop and deliver security test strategies, plans and test cases across cloud infrastructure, network controls, security architecture, identity and access management, and role-based access controls.

You will identify vulnerabilities, control weaknesses and configuration issues, then translate your findings into clear risks and practical remediation actions. Working closely with architects, engineers and security stakeholders, you will review technical designs, validate security requirements and produce evidence-based reports and recommendations.

You will also contribute to security assurance and Secure by Design activities within a UK government environment.

SECURITY TESTER ESSENTIAL SKILLS

  • Significant security testing or security assurance experience
  • Strong knowledge of security architecture and network security
  • Hands-on experience testing identity and access management, IDAM and RBAC controls
  • Ability to design, lead and deliver security testing across complex environments
  • Strong risk assessment, reporting and stakeholder communication skills
  • Ability to work autonomously and provide technical leadership
  • Current eDV clearance suitable for the assignment
  • Oracle Cloud Infrastructure experience is highly desirable

TO BE CONSIDERED

Please either apply through this advert or email me directly via robin.muirhead@searchability.com. For further information, please call me on 07719 065949.

By applying for this role, you give express consent for us to process and submit (subject to required skills) your application to our client in conjunction with this vacancy only.

KEY SKILLS

Security Tester, Security Testing, Security Assurance, Oracle Cloud Infrastructure, OCI, Cloud Security, Security Architecture, Network Security, IAM, IDAM, RBAC, Secure by Design, UK Government, eDV, SFIA, NSD

About security roles for ex-police

Security management, operations and consultancy roles. Years of operational policing — command, incident response, public order — translate directly into corporate security, and employers in this sector actively rate police experience.

See all security jobs in London

Why this fits a police background

  • Risk & threat assessment
  • Security operations

What security roles pay ex-police

Advertised UK ranges, editorial estimates reviewed July 2026

Security officer (SIA)£24,000–£29,000
Security supervisor / team leader£28,000–£34,000
Site / security manager£38,000–£52,000
Regional / operations security manager£50,000–£65,000
Full security salary guide →

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