Our client is the digital and intelligence arm of a major defence company.Location(s):UK, Europe & Africa : UK : Frimley || UK, Europe & Africa : UK : Gloucester || UK, Europe & Africa : UK : Guildford || UK, Europe & Africa : UK : Leeds...Read More>>.

Overview In this role you help clients strengthen security through hands-on testing and clear reporting. You join PA’s Digital & Data community to deliver agile, client‑facing security work and contribute to knowledge sharing within a c...Read More>>.

Overview In this role you will conduct security testing across web, infrastructure, cloud, and external surfaces to identify and remediate vulnerabilities. You will work with cross-functional teams within a threat intelligence and security...Read More>>.

Overview In this role you will lead and execute hands-on penetration testing across web apps, APIs, and network infrastructures within a collaborative risk advisory team. You’ll deliver Cyber Essentials Plus assessments and broader securi...Read More>>.

Get AI-powered advice on this job and more exclusive features.Direct message the job poster from Computer Network Defence Ltd (CND)Cyber Security Recruitment Manager at Computer Network Defence Ltd (CND) | BTL1 | Net+...Read More>>.

Role Overview We have an exciting opportunity for a Senior Penetration Tester to join our thriving Cyber Security practice. We are seeking a skilled individual, with expertise in penetration testing or vulnerability research, who can c...Read More>>.

We are looking for a Senior Penetration Tester with CHECK to join our growing team. You will play a critical role in delivering high‑quality penetration testing engagements across infrastructure, cloud, web, and mobile applications for...Read More>>.

The National Physical Laboratory (NPL) seeks a Senior Security Testing Specialist to lead security assessments across complex systems. You will be responsible for conducting hands-on penetration testing and mentoring junior team members, all withi...Read More>>.

Bridewell is seeking an experienced Senior Penetration Tester to deliver testing engagements across infrastructure and web applications for a range of clients. The role offers a pathway to develop testing methodologies and participate in ongoing p...Read More>>.

OverviewOur client, a leading UK-based MSSP, is looking for a Senior Penetration Testing Consultant to join their Red Team. This is a remote-first role with occasional on-site work, ideal for an experienced tester who wants to take on...Read More>>.

Ready to identify vulnerabilities before attackers do?Join a cybersecurity services provider recognised for delivering penetration testing, advisory, and compliance solutions to enterprises. With a reputation for technical expertise and...Read More>>.

Thames Water is seeking a Security Penetration Tester to support TVM solutions and vulnerability remediation across the IT estate. You will work with Digital teams to ensure mitigations are implemented and maintained, aiming for high security, com...Read More>>.

Salary: £40,000 - 80,000 per yearRequirements:Conduct security testing on hardware and software to uncover vulnerabilities in complex systems.Apply positive and negative testing techniques to stress-test ne...Read More>>.

About the role We are passionate about step changing our cyber security capability to better protect customers and colleagues across our global business, and we’re building an internal penetration testing function to complement and h...Read More>>.

Harrington Starr has partnered with a global, multi-billion-pound business in Belfast to seek a Vulnerability and Penetration Testing Engineer. This role involves providing security architecture, vulnerability, and risk assessments within their Be...Read More>>.

OVERVIEWAs a Penetration Tester, you will perform formal and comprehensive penetration testing assessments, including producing full written reports to appropriate standards and within agreed deadlines. In addition, you will support with cl...Read More>>.

Direct message the job poster from Locke and McCloudSenior Recruitment Consultant - Cyber Security at Locke and McCloudI am working with a well-established Cyber Security Consulting and Insurance firm who are looking for a Penetrat...Read More>>.

Location: Crawley, United Kingdom Thales is a global technology leader with more than 83,000 employees on five continents. With over 7,500 people in the UK, operating across defence, space, aerospace, and digital security, we help build...Read More>>.

Security Consultant (Penetration Testing) Location: Hybrid (UK) Salary: Competitive + Benefits Security Clearance: Current SC preferred About Citation Cyber Citation Cyber is...Read More>>.

Citation Cyber is a leading UK cyber security consultancy delivering penetration testing, certification, consultancy and managed services. This role sits in a hybrid UK setup, with opportunities to advance CHECK status, CTM and senior technical po...Read More>>.

We’re working with a growing UK cyber security consultancy delivering penetration testing services to government and public sector organisations.They’re looking for a Cyber Security Consultant / Penetration Tester to join the...Read More>>.

Instil is seeking a Senior Penetration Tester with CHECK to join our growing team in the UK. You will perform hands‑on testing across infrastructure, cloud, web and mobile apps for diverse clients, identifying weaknesses and helping remediate th...Read More>>.

Citation Cyber is seeking a Security Consultant (Penetration Testing) to join our hybrid-UK team. You'll deliver security assessments across client environments, report findings clearly and help clients remediate vulnerabilities.As a CHECK/...Read More>>.

Starling is recruiting an experienced Penetration Tester to join our security team in a hybrid role. You will work with cyber security professionals to ensure services are designed, developed, and operated securely, conducting testing and driving...Read More>>.

Instil is seeking a Senior Penetration Tester with CHECK to join our growing team in the UK. You will lead hands-on penetration testing across infrastructure, cloud, web, and mobile applications for a diverse client base, ment oring juniors and sh...Read More>>.

Bridewell is seeking an experienced Senior Penetration Tester to deliver high-quality security assessments across web apps, APIs and infrastructure. You will work with a talented team and contribute to ongoing service development while maintaining...Read More>>.

WorkNest Secure is seeking Offensive Security Consultants (Penetration Testers) to join our growing Cyber Security team in the United Kingdom. You will perform CHECK-accredited penetration tests across multiple environments and deliver actionable...Read More>>.

Instil is seeking a Senior Penetration Tester with CHECK to join our growing team. You will deliver high-quality penetration testing engagements across infrastructure, cloud, web, and mobile applications for a diverse range of clients, including s...Read More>>.

FSP is seeking a Senior Penetration Tester to join our Cyber Security practice. You will contribute to high-impact technical projects, providing expert guidance on network, platform, and application security while developing tools for adversarial...Read More>>.

Contract Penetration Tester - Web ApplicationLocation: Brighton/UK-basedEngagement: ContractIndependent testers and specialist security firms welcomeWe're looking for an e...Read More>>.

Anthony James Consulting is seeking an experienced penetration tester or security testing firm to conduct an independent assessment of a Laravel/PHP web application with a substantial API component, based in the Brighton area.The engagement...Read More>>.

DAC Beachcroft LLP is seeking a Cyber Security Offensive Specialist to join our Technology team in Bristol. You will plan and execute authorised penetration tests, conduct red team exercises, and drive remediation strategies to strengthen our cybe...Read More>>.

F5 Consultants is seeking a hands-on Penetration Tester to join our cybersecurity practice. The role focuses on delivering penetration tests across applications, networks and infrastructure, using a mix of manual and automated techniques to reveal...Read More>>.

We’re working with a large, highly regulated organisation undergoing significant digital transformation. They’re looking for a Principal Penetration Tester to strengthen their internal security testing capability, combining deep application...Read More>>.

Lorien in London is seeking an experienced Penetration Tester/Offensive Security Consultant for a long-term on-site contract. You will conduct penetration testing across infrastructure, cloud and web applications, simulating real-world attacks to...Read More>>.

Addition is working with a large, highly regulated organisation on digital transformation and seeks a Principal Penetration Tester in Watford. Hybrid working, competitive salary with bonus and benefits.You will lead testing across web apps,...Read More>>.

Anson McCade is seeking an experienced IT/OT Penetration Tester to join a growing cybersecurity consulting team. You will perform high-quality penetration tests and security assessments across defence, energy, utilities, manufacturing, transport a...Read More>>.

Senior Penetration Tester - £700 to £800 per day (Inside IR35)Hybrid working - 1 to 2 days per week in the office (Ideally London)Contract Senior Penetration Tester responsible for leading AI-enabled vulnerability researc...Read More>>.

Eames Consulting Group seeks a senior Penetration Tester to lead AI-enabled vulnerability research across priority applications, starting with internet-facing assets. The role blends manual testing with frontier-model-assisted discovery, exploit v...Read More>>.

As a Security Penetration Tester, you will be responsible for supporting the design, implementation, and maintenance of TVM (Threat & Vulnerability Management) solutions, controls and processes across the organisation. You will be liaising with...Read More>>.

Thames Water is seeking a Security Penetration Tester to support the design, implementation and maintenance of TVM solutions across the IT estate. You will collaborate with Digital teams to mitigate vulnerabilities and ensure remediation is aligne...Read More>>.

Penetration tester responsible for leading AI-enabled vulnerability research and bug-hunting across priority applications, with initial focus on internet-facing assets. The role combines deep manual offensive testing with frontier-model-assiste...Read More>>.

We are looking for an experienced Senior Penetration Tester to support a cybersecurity engagement involving automated security testing and validation. Location: hybrid/remote location is Essex areas Engagement: Contr...Read More>>.

Harrington Starr have partnered with a global multi billion pound business in Belfast as they seek a Vulnerability and Penetration Testing Engineer to join their Belfast Centre team in providing security architecture, vulnerability and risk assess...Read More>>.

Sumer Group, via its RMT Operations - IT, seeks an experienced Lead Penetration Tester to join its Cyber Security practice on client-site engagements. You will lead penetration tests, Cyber Essentials assessments, and security reviews for diverse...Read More>>.