Role: Penetration Tester Location: Leeds (Hybrid + Site Visits) Salary: £40,000 - £45,000 DOE Type: Permanent, Full-TimeSummary: We are looking for a skilled and motivated Penetration Tester to join a growing security team in Leeds. The main purpose of this role is to deliver high-quality offensive security assessments across web applications, APIs, and infrastructure, helping clients understand and remediate vulnerabilities across their environments. This is a great opportunity for a CHECK Team Member (CTM) or a tester actively progressing along the CREST pathway (CRT) to take ownership of engagements end-to-end, work alongside experienced consultants, and continue developing technically across a varied client base. This role operates on a hybrid basis in Leeds, with occasional site visits required.Key Responsibilities:Carry out web application, API, and infrastructure penetration tests, taking ownership of engagements from scoping through to final report delivery.Support purple team activities including phishing simulations and malicious insider style assessments.Produce clear, professional reports for clients, tailoring findings to client-specific context and business risk.Communicate high-risk vulnerabilities to clients as they are identified, supporting swift remediation.Support junior team members and assist with quality assurance on reports where required.Assist with the maintenance of internal penetration testing infrastructure, including device setup and tooling ..... full job details .....