https://jobs.co.uk/job/check-team-leader-penetration-tester-oscar-technology--f3450a5a-af06-41a1-b66f-c0825cfc968d RSS feed for CHECK Team Leader Penetration Tester at Oscar Technology. en-gb Thu, 21 May 2026 22:12:39 GMT https://jobs.co.uk/job/check-team-leader-penetration-tester-oscar-technology--f3450a5a-af06-41a1-b66f-c0825cfc968d https://jobs.co.uk/job/check-team-leader-penetration-tester-oscar-technology--f3450a5a-af06-41a1-b66f-c0825cfc968d Tue, 19 May 2026 11:52:50 GMT Location: London | Salary: 80000.00-80000.00 Annual | Type: Permanent | CHECK Team Leader Penetration Tester Security Cleared £80-90k Remote We''re working with a leading cyber security consultancy looking to grow their penetration testing capability with the addition of a CHECK Team Leader (CTL) This is an opportunity to join one of the UK''s largest CHECK-accredited, security-cleared testing environments, delivering high-impact testing across complex and highly secure customer estates.The role is primarily remote, with occasional onsite client engagements as required.Salary: £80-90,000 DOEWork Structure: Remote (with UK client visits) Security Clearance: Active or previously held DV clearance is essential. The Role: You''ll be responsible for delivering high-quality penetration testing across a range of environments, while acting as a senior technical presence within the team.Engagements will include: Infrastructure penetration testingWeb application testingInternal and external network testingActive Directory / privilege escalation assessmentsCloud security testingRed team style activities and security assessmentsCHECK-based testing within highly secure environmentsYou''ll also be involved in scoping engagements, supporting clients through remediati... Permanent