Deliver hands‑on security testing that protects critical systems. About the Role As a Senior Security Testing Consultant, you’ll deliver end‑to‑end security testing engagements across applications, web, mobile, and infra...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>>.

Security / Penetration Testing Engineer – London Role will be part of our Quality Engineering & Assurance (QE&A) Practice. With more than 650 clients across industry verticals and a global footprint, Cognizant QE&A practice is a reco...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>>.

SmartSourcing Ltd is urgently seeking a SC/Clearance qualified professional for the role of SC Cleared Check Team Lead (CTL) or Check Team Member (CTM) and Pen Test/ Ethical Hacker. This fully remote contract offers daily rates of £650–£700 ou...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>>.

VIQU Limited is seeking a Senior Penetration Tester to work in a remote-capable role with client travel. You will deliver end-to-end penetration tests, directly engage with clients, and help develop technical capabilities across web apps, APIs, in...Read More>>.

Citation Cyber is seeking a Security Consultant (Penetration Testing) to join our hybrid UK team. You’ll deliver a range of security assessments across client environments, identifying vulnerabilities and advising on remediation.Responsib...Read More>>.

Citation Cyber in the United Kingdom is seeking a Security Consultant (Penetration Testing) to join our growing team, delivering a broad range of security assessments across client environments. You’ll identify vulnerabilities, produce clear rep...Read More>>.

Citation Cyber is seeking a Security Consultant (Penetration Testing) to join a hybrid UK team delivering comprehensive security assessments for a range of clients. You’ll test infrastructure and web apps, assess cloud security, and produce clea...Read More>>.

Citation Cyber is seeking a Security Consultant to join our penetration testing team in the UK. The role involves delivering a broad range of assessments, identifying vulnerabilities and advising on remediation to strengthen clients' cyber resilie...Read More>>.

Citation Cyber is a leading UK cyber security consultancy delivering penetration testing, certification, consultancy and managed security services. We are expanding our CHECK-Crest aligned testing team and invite skilled security testers to join....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>>.

Citation Cyber is a leading UK cyber security consultancy delivering penetration testing and related services. We are looking for a Security Consultant to join our CHECK-aligned penetration testing team, delivering assessments across client enviro...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>>.

Peregrine City Of Bristol, England, United KingdomCyber Security Test LeadAt Peregrine, we’re always seeking Specialist Talent that have the ideal mix of skills, experience, and attitude, to place with our vast array of clients....Read More>>.

Starling Bank Limited is seeking an experienced Penetration Tester to join our security team in a hybrid role. You will conduct tests across mobile, web, cloud, and infrastructure, partner with engineering to secure development, and help remediati...Read More>>.

G-Research is seeking a Penetration Tester to lead and conduct security assessments across internal systems. You will deliver actionable remediation insights and collaborate on remediation strategies, strengthening our security posture.The...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>>.

FSP is a leading consultancy specialising in Digital, Security and AI solutions. We are seeking a Senior Penetration Tester to join our Cyber Security practice in the United Kingdom.You will support teams on high-impact security projects, a...Read More>>.

Citation Cyber is seeking a Security Consultant to join its penetration testing team in a hybrid UK role. You will deliver security assessments across client environments, producing thorough reports and presenting remediation recommendations to cl...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>>.

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>>.

Vodafone is seeking an Operational & Technical Testing Lead – Networks to deliver security control testing across its telecommunications environments. This role requires expertise in network security to develop strategies, validate controls, and...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>>.

Overviewhackajob is collaborating with NTT DATA UK to connect them with exceptional tech professionals for this role.Offensive Security Tester / REMOTETechnical Consultancy, LondonThe Team You'll Be Working With...Read More>>.

Sky Ireland Limited is seeking a Cyber Security specialist to conduct penetration tests on applications and infrastructure, while leveraging AI-assisted tools to enhance research and reporting. You will document findings, scope engagements, and co...Read More>>.

SiXworks in Somerset is seeking a QA Test Infrastructure Engineer to design, build, and validate secure digital solutions in highly secure environments. You will partner with DevSecOps, engineers, and delivery specialists to ensure readiness of OS...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>>.

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>>.

The Security Vulnerability and Penetration Testing (VAPT) Engineer oversees and serves as technical resource for all assessment activity related to the security posture of existing and proposed firm systems, platforms, and processes to protect...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>>.

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>>.

LSEG is seeking aSenior Penetration Tester to join our internal offensive security team. This role is hands‑on and deeply technical, responsible for planning and executing penetration tests across a wide range of systems and applications. The su...Read More>>.

London Stock Exchange Group (LSEG) seeks a Senior Penetration Tester to join our internal offensive security team. This hands-on, highly technical role plans and executes penetration tests across systems and applications, uncovering vulnerabilitie...Read More>>.

VIQU IT Recruitment partnered with a leading Cyber Security Consultancy is seeking a Senior Penetration Tester to join its team. You\'ll deliver end-to-end penetration testing engagements, work directly with clients and contribute to the developme...Read More>>.

Morson Group is seeking an experienced Principal Penetration Tester to lead and deliver complex penetration testing engagements for clients. The role covers hands-on testing across infrastructure, cloud, Kubernetes, and hybrid environments, while...Read More>>.

Morson Group is seeking a Senior Penetration Tester to join our growing cyber security team. You will deliver hands-on testing across infrastructure, networks, web apps and cloud environments, including Azure, AWS and containerised technologies....Read More>>.

Beaumont is seeking a Cyber Security Consultant to join an established IT services business and help clients identify vulnerabilities and improve their security. You will scope and deliver security assessments, perform infrastructure and web appli...Read More>>.

Alignerr Corp. is seeking an experienced AI Penetration Tester to assess AI-powered applications and infrastructure for vulnerabilities. This is a remote hourly contract role offering flexible engagement on 10–40 hours per week.You will p...Read More>>.

Techtrace Partners in England seeks an experienced CTM to deliver CHECK and commercial security assessments from home with travel to client sites. You will produce detailed reports and support engagement delivery across government CHECK programs a...Read More>>.

Junior Penetration TesterFully remote | Up to £45,000 depending on experience About the company A growing, CREST-accredited cloud security consultancy is looking for a Junior Penetration Tester to join their team. They...Read More>>.