Security & Infrastructure Test Lead

Central London - 3 Days On-Site
425 per day Inside IR35
3 month contract initially

I'm supporting a client in their search for a Security & Infrastructure Test Lead to join a major transformation programme focused on Azure Cloud migration and security infrastructure testing.

This is a hands-on Test Lead role requiring strong experience across cyber/security testing, infrastructure testing, Azure Cloud environments, and Microsoft Sentinel. The successful candidate will play a key role in driving testing activities across cloud and security components, working closely with suppliers, technical teams, and end users.

Key Responsibilities

• Create and maintain test plans, test scripts, and acceptance criteria for infrastructure and security-related requirements
• Own test reporting across the programme, ensuring clear visibility of progress, risks, and defects
• Ensure testing is delivered to agreed timelines and quality standards through to release
• Design and execute test approaches for Azure infrastructure and security components
• Support estimation, scoping, and backlog refinement activities
• Work closely with suppliers and technical teams to ensure testability of solutions and timely defect resolution
• Coordinate and support UAT activities with technical stakeholders
• Provide regular feedback to project teams and management on progress and quality

Required Experience

• Strong experience validating security and infrastructure platforms within Azure-based environments
• Hands-on exposure to security monitoring tools, ideally including Sentinel or similar SIEM solutions
• Experience supporting cloud and infrastructure migration testing activities
• Proven background testing enterprise-scale infrastructure upgrades and cloud transformations
• Experience testing security-focused applications and cloud-hosted services
• Solid understanding of structured testing approaches and QA methodologies
• Strong manual testing capability within complex technical environments
• Experience overseeing third-party/supplier testing delivery and assurance
• Experience coordinating and supporting UAT with technically skilled user groups
• Experience using Azure DevOps (or equivalent tools) for test management and execution
• We are specifically looking for candidates with a strong specialism in Cyber Security and Infrastructure Testing

Candidates strong specialism in Cyber Security and Infrastructure Testing arw what's needed. Candidates with only general testing experience, limited cloud exposure, or non-security Sentinel experience are unlikely to be suitable.

Experience across:

• Cyber Security Testing
• Infrastructure Testing
• Azure Cloud
• Microsoft Sentinel
• Technical UAT
• Supplier Assurance

would be highly advantageous.

McGregor Boyall is an equal opportunity employer and do not discriminate on any grounds.