Remote Cybersecurity Penetration Tester – Defence Red Team

Cybersecurity Penetration Tester Join a team where red teaming meets real impact – safeguarding defence platforms that shape national security. This role is Remote with UK-wide regular on-site client visits (approximately 50% monthly travel for on-site pen testing). Key Responsibilities And Tasks Lead end‑to‑end penetration testing across networks,...

A leading cybersecurity firm in the Greater London area is seeking a Penetration Tester to lead the design and execution of red team operations. You will conduct complex adversary simulations, manage a team of security operators, and collaborate with multiple departments to enhance client security. The ideal candidate will have significant experience in...

Penetration Tester (OSCP)Location:RemotePosition Type:Full-timeReports to:Senior Penetration TesterAbout the OrganisationA high-growth security consultancy working across government, space programmes, and FTSE 100 organisations is expanding its offensive security function. The team delivers complex, high-impact testing and simulation work for clients across...

Junior Penetration Tester (Career Switch Opportunity)Location:Hybrid – Bristol/Cheltenham area (travel a couple of times per month, expenses covered)Salary:£30,000 – £40,000 (depending on experience)Clearance:Must be eligible for SC and DV clearance (British citizenship required)About the RoleOur client, a specialist cybersecurity consultancy, is...

Junior Penetration Tester Location: Remote Based I am working on an exciting opportunity to join a growing boutique organisation. As a Penetration Tester, you will scope and perform penetration tests and produce reports on your findings. You will also work to project deadlines in line with client expectations and contribute to the penetration testing...

Penetration Tester Location: Remote Based (Must be living in the UK) I am working on an exciting opportunity to join a growing boutique organisation. As a Penetration Tester, you will scope and perform penetration tests and produce reports on your findings. You will also work to project deadlines in line with client expectations and contribute to the...

# Applicant Portal:## Job Details: Penetration Tester| | Penetration Tester || | || | The Red Team Lead at Acora is responsible for establishing, maturing, and leading our full-spectrum red team capability. This includes the planning and execution of complex adversary simulations, managing red team operators, and working across technical and business...

CHECK Certified Penetration Testers (All Levels) - UK remote - £50k-£110k+Opus has partnered with a leading consultancy with an established offensive security team, renowned for delivering exceptional CHECK penetration testing engagements across high assurance environments. This organisation is trusted by government, defense, and enterprise clients to...

Job Title: Penetration Tester (CHECK Team Member)Location: UK (Hybrid / Remote)Experience: 1–3 yearsEligibility: UK National (must be eligible for security clearance)About the Role:We’re looking for a Penetration Tester (CHECK Team Member) to join our growing cybersecurity team. You’ll conduct network, web, and application security testing for a range...

An innovative cybersecurity firm is seeking a passionate graduate Penetration Tester to join their dynamic team. In this entry-level role, you will conduct vulnerability assessments and simulate cyberattacks to identify weaknesses in various systems. Your findings will help shape security recommendations and ensure compliance with industry standards. This is...