6 of 6 Permanent Penetration Testing Jobs in Slough

global leader in security services, is seeking a CREST-certified Offensive Security Tester to join its UK Security Practice. This role involves conducting advanced penetration testing engagements, identifying vulnerabilities across diverse IT environments, and providing actionable remediation guidance to enhance client security postures. The ideal candidate will have … considered for the position, candidates must be eligible for Security Check (SC) clearance. What you'll be doing: Key Responsibilities: Conduct comprehensive penetration tests across web applications, network infrastructure, and mobile applications. Perform external and internal network penetration testing using industry-standard methodologies. Execute wireless security assessments ...

security team delivering cutting-edge work across 23 countries—with some client relationships spanning 20+ years. The Role You'll own a variety of testing engagements—from penetration testing to red-team style assignments—while acting as a trusted adviser to major medium and enterprise-scale organisations … opportunity to deliver meaningful impact every single day. What You'll Do • Engage directly with clients to shape and deliver high-quality testing services • Accurately scope engagements and support proposal development • Produce clear, actionable test reports that clients genuinely understand • Provide expert post-test guidance and support What ...

Hiring: Senior Penetration Tester (CHECK/CREST) – Fully Remote (GB based) Salary: Up to £70k based on experience | Travel: Client sites when needed | Clearance: Must be eligible for SC Cyber Guarded Ltd is expanding! We're a long-established, independent cyber security company and the leading NCSC CHECK provider … Northern Ireland now growing across the UK. We're looking for an experienced Penetration Tester (not entry level) to deliver high-assurance testing across infrastructure, web, cloud and OT environments. This is a fully remote role within Great Britain, with occasional client-site visits. What ...

areas: Endpoint security/EDR (Mandatory) MDR/XDR (Mandatory) Cloud (AWS, Azure, GCP) & M'soft Identity Network Security Email Security Incident Response Pen-testing #B2 Ready to Join Us? At Sophos, we believe in the power of diverse perspectives to fuel innovation. Research shows that candidates sometimes hesitate ...

privilege and zero-trust principles Build and maintain secure CI/CD pipelines with automated security gates (Snyk, SonarQube, OWASP ZAP) Conduct and coordinate penetration testing (internal and third-party); triage and drive remediation Deploy runtime threat detection (GuardDuty, Falco, Wazuh) Manage secrets detection and scanning (GitLeaks, Vault … staging environments with scheduled scans Deploy secrets detection tooling (e.g., GitLeaks, TruffleHog) across all repositories Establish a baseline security posture through initial penetration test; document and prioritise remediation backlog 6 months Complete remediation of all critical/high findings from initial pen test Achieve automated security gate coverage (SAST ...

take charge of their offensive-security function. Known for their technical depth and risk-focused approach, they deliver pragmatic security services spanning pen testing, red teaming, incident response, compliance, and virtual security leadership. The Role You'll lead a growing team of skilled testers, manage the pen testing … environments. This is a hands-on leadership role combining delivery, mentoring, quality assurance, and client engagement. Key Responsibilities Lead and mentor a team of penetration testers, ensuring top-notch delivery Conduct and oversee infrastructure, web/app, cloud, wireless, and full-scope tests Drive red teaming and adversary simulation ...