Latest penetration tester Jobs

Penetration Tester

As a result of growth, we are looking for an experienced Penetration Tester with solid experience of infrastructure and web application testing to deliver testing engagements on a range of key client work.This is an excellent opportunity for a highly...

Bridewell London, United Kingdom

Remote Permanent

Penetration Tester

This role involves conducting hands-on penetration tests across web applications, APIs, infrastructure, and cloud environments using industry-standard methodologies. The Penetration Tester will identify vulnerabilities, produce risk-based reports with actionable remediation advice, and collaborate with development and security teams to improve organisational resilience. The position supports purple teaming, incident investigations, and continuous improvement of testing practices within a hybrid-working cyber defence team.

VIQU IT Horsham, West Sussex, United Kingdom £50,000 – £60,000 pa

Hybrid Permanent Clearance Required

Penetration Tester

This role involves conducting comprehensive penetration tests across networks, web and mobile applications, APIs, and cloud environments using both manual and automated techniques. The tester will simulate real-world cyberattacks, identify vulnerabilities, and produce detailed technical and executive reports with actionable remediation advice. A key focus is translating complex security findings for non-technical stakeholders while adhering to strict ethical and compliance standards in a security-cleared context.

SmartSourcing Ltd United Kingdom £60,000 – £80,000 pa

Remote Permanent Clearance Required

Penetration Tester

This role involves conducting comprehensive penetration tests across internal/external infrastructure, web applications, and networks, using industry-standard tools like Burp Suite, Metasploid, and Nmap. The candidate will produce detailed technical reports, support client engagements, and contribute to research and development in emerging security areas such as OT and threat-led testing. The position supports professional growth with certification opportunities and progression into advanced offensive security disciplines.

Big Red Recruitment Midlands Limited London, United Kingdom £45,000 – £55,000 pa

Hybrid Permanent Clearance Required

Penetration Tester

Conduct penetration tests across networks, systems, and applications, identifying vulnerabilities and producing actionable remediation reports. Engage in red team exercises, develop exploitation tools, and advise clients on improving security posture. Work on high-impact projects in critical sectors with opportunities for professional growth and research.

Oscar Technology Bristol, United Kingdom £40,000 – £45,000 pa

Hybrid Permanent Clearance Required

Penetration Tester (CTM)

Penetration Tester | CHECK Team Member | £50-55kWe're working with a growing UK cyber security consultancy delivering penetration testing services to government and public sector organisations.They're looking for a CHECK Team Member to join the team, delivering high-quality security assessments...

Oscar Technology Cheltenham, United Kingdom £50,000 – £55,000 pa

Senior Penetration Tester

This role involves conducting infrastructure and web application penetration tests for key clients. You will have access to a dedicated annual budget for personal development, including CREST and Cyber Scheme exams, and time to research and develop new testing methodologies.

Bridewell United Kingdom

Remote Permanent Clearance Required

Senior Penetration Tester

The Senior Penetration Tester will lead complex security assessments, collaborate with defensive teams on purple team exercises, and mentor junior testers. Responsibilities include scoping and delivering penetration tests, producing high-quality reports, and staying current with evolving threats and tools.

VIQU IT Recruitment Horsham, United Kingdom £70,000 – £80,000 pa

Hybrid Permanent

Information Security Technical Assurance Lead

This role involves leading technical security assurance for application and infrastructure solutions across on-premises and cloud environments within a highly regulated nuclear energy organisation. The candidate will conduct risk assessments, review security designs, ensure compliance with standards like ISO 27001 and NIST, and support secure development practices. A key focus is embedding security into business initiatives and advising stakeholders to strengthen Urenco’s cyber maturity in a global, security-cleared environment.

Urenco Global Paddington, London, W2 1HU, United Kingdom £75,111 – £88,366 pa

Hybrid Permanent Clearance Required

Trainee Cyber Security Analyst

This role is for individuals starting a career in cyber security through a fully-funded training programme. You'll gain practical skills in threat intelligence, security testing, incident response, and ethical compliance, preparing for roles such as Cyber Security Analyst or SOC Analyst. The course leads to a Level 2 qualification and focuses on real-world applications in protecting digital systems and data.

Netcom Online Learning London, United Kingdom £25,000 – £32,000 pa

Hybrid

Trainee Cyber Security Specialist

This role involves completing a fully-funded 5-week online cyber security course, gaining hands-on experience in threat intelligence, security testing, incident response, and ethical compliance. The training prepares you for entry-level roles in IT support, cyber security analysis, and related fields.

Netcom Online Learning Sheffield, United Kingdom £25,000 – £32,000 pa

Remote Internship

DevSecOps Developer

This role involves working closely with software engineering and DevOps teams to embed security into the software delivery lifecycle. You will support the development of cloud-native applications, integrate security controls into CI/CD pipelines, and help remediate vulnerabilities in AWS-based environments.

Sky Tw75Qd, TW7 5QD, United Kingdom

On-site Permanent

Security Engineer, AWS Security

This role involves conducting security assessments of application designs and architectures to identify risks before launch. The engineer performs threat modelling, coordinates penetration testing, and provides actionable guidance to development teams on secure coding, cryptography, and data protection. They also manage security findings, support escalations, and contribute to improving automated security tools and documentation.

Amazon London, United Kingdom

Hybrid Permanent Clearance Required

Cybersecurity Engineer

This role involves identifying and mitigating cyber threats across enterprise systems, with a focus on threat monitoring, incident response, and security risk management. The engineer will develop security playbooks, support vulnerability management, and collaborate with technical teams to strengthen security posture. Exposure to AI-driven threat detection and modern cloud environments makes this a technically dynamic position within a global organisation.

Exalto Consulting Surrey, United Kingdom £70,000 – £80,000 pa

Hybrid Permanent

Senior Cyber Security Analyst

Senior Cyber Security Analyst📍 Hybrid | Full-time🏢 Roc Technologies – Transformation ServicesThe OpportunityWe’re looking for a Senior Cyber Security Analyst to join Roc Technologies and play a key role in protecting our customers from evolving cyber threats.You’ll work at the...

Roc Technologies Thatcham, Berkshire, United Kingdom