51 to 75 of 92 Penetration Tester Jobs in England

every layer of operations, the UK-headquartered organization holds ISO 27001, PCI-DSS, and CREST certifications. This is a great opportunity for a Senior Penetration Tester to deliver hands-on testing across infrastructure, networks, web applications, and APIs for varied client environments. The ideal candidate will work … technically challenging engagements while contributing to a wider security operation, rather than simply delivering standalone penetration tests. Responsibilities Deliver infrastructure, network, web and API penetration tests. Identify and exploit vulnerabilities and realistic attack paths. Conduct manual testing alongside automated tooling. Produce clear, technically detailed client reports. Present findings ...

that supports how our engineering teams build and operate complex systems at scale. Take the next step in your career. Role As a Penetration Tester, you will lead and conduct penetration tests and vulnerability assessments across a wide range of internal systems and security controls. Your work … will directly strengthen our overall security posture through continuous testing, actionable insights and collaboration on remediation strategies. Responsibilities Perform in-depth penetration testing across a variety of technologies, including Kubernetes, Jenkins and Windows Domain Services. Deliver practical, impactful remediation advice to Control Owners based on identified vulnerabilities. Support business ...

Penetration Tester/CHECK Team Member £45-55k + Benefits Remote UK Client-site testing as required An established and growing UK cyber security consultancy is expanding its technical security team and is looking for a CHECK Team Member to support penetration testing engagements across government ...

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 trusted delivery, the organisation continues to help businesses strengthen resilience and protect critical systems against evolving threats. The team … hiring a Penetration Tester to conduct security assessments across applications, networks, and infrastructure. The role will focus on simulating real-world attacks, identifying weaknesses, and providing actionable recommendations to improve overall security posture. Turn offensive skills into defensive strength. Apply now! Responsibilities Conduct hands-on penetration testing ...

consultancy firm in London is looking for a Senior Penetration Tester to join their team. The role involves performing high-standard penetration tests, managing and mentoring security consultants, and producing timely reports. Ideal candidates will have at least 3 years of experience in Information Security and Penetration ...

This is a fantastic opportunity for an experienced penetration tester to move into an internal role with a leading financial services firm. The role offers variety across Penetration Testing (WebApp, Infrastructure – internal and external, and Cloud) along with involvement in Purple Teaming and Red Teaming engagements. ...

team shaping the future of cybersecurity and technology. Salary: Up to £45,000 per annum. Travel: Hybrid Location: London We're hiring a passionate Penetration Tester eager to grow in offensive security. Join a skilled, diverse team committed to innovation and technical excellence. This is a great opportunity ...

cybersecurity services provider is seeking a Penetration Tester to conduct security assessments across various clients. The role offers flexibility to work remotely or from the Sheffield office, and the ideal candidate will have 2-4 years of experience, a CREST certification, and strong communication skills. You'll help … build a Penetration Testing team and contribute to the growth of the business. #J-18808-Ljbffr ...

Ethical Hacker/Penetration Tester no experience needed From £45,000 - £6 5,000 This is a self-funded career programme with a guaranteed job on completion or 100% of your course fees back Train. Certify. Get Hired. Are you looking to start a career in Cyber Security ...

Ethical Hacker/Penetration Tester – no experience needed From £45,000 - £6 5,000 *This is a self-funded career programme with a guaranteed job on completion or 100% of your course fees back* Train. Certify. Get Hired. Are you looking to start a career in Cyber Security ...

Ethical Hacker/Penetration Tester – no experience needed From £45,000 - £6 5,000 *This is a self-funded career programme with a guaranteed job on completion or 100% of your course fees back* Train. Certify. Get Hired. Are you looking to start a career in Cyber Security ...

Ethical Hacker/Penetration Tester – no experience needed From £45,000 - £6 5,000 *This is a self-funded career programme with a guaranteed job on completion or 100% of your course fees back* Train. Certify. Get Hired. Are you looking to start a career in Cyber Security ...

leading cybersecurity firm in London is seeking a passionate Penetration Tester to enhance their offensive security team. You will support cloud and infrastructure security assessments, write detailed reports for various stakeholders, and collaborate with a diverse team. Candidates must hold an OSCP certification and have knowledge ...

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 vulnerabilities and raising security standards. You will own engagements end-to-end, write technical ...

Lloyds Banking Group is seeking a Penetration Tester to join our Security Testing team in a hybrid role across multiple UK sites, including Manchester. You will plan, execute and report on offensive security testing across diverse platforms, while developing expertise within a large, regulated financial services environment. ...

Moore Kingston Smith is seeking an experienced penetration tester to join our NCSC-recognised cyber security team within our Risk Advisory practice, supporting a diverse portfolio of clients across multiple sectors. This hands-on role focuses on delivering penetration tests across web apps, APIs, and network infrastructure ...

Dionach by Nomios in the UK is seeking an experienced penetration tester to conduct tests across web apps, APIs, Cloud, and networks, delivering detailed findings and remediation guidance. The role requires at least two years in pentesting, certifications such as CREST/OSCP, and the ability to communicate ...

Hamilton Barnes is seeking a Senior Penetration Tester to perform hands-on testing across infrastructure, networks, web applications and APIs for varied client environments. The role emphasizes contributing to an offensive security function rather than sole test delivery. You will deliver tests, identify vulnerabilities, and produce detailed client ...

Research is seeking a hands-on Penetration Tester to lead tests and vulnerability assessments across internal systems and security controls. Your work will strengthen our security posture through continuous testing and remediation collaboration. You will perform tests across Kubernetes, Jenkins and Windows Domain Services, deliver remediation guidance, mentor ...

Moore Kingston Smith LLP is seeking an experienced Penetration Tester to join our NCSC-recognised cyber security team within Risk Advisory, supporting clients across multiple sectors. The role focuses on hands-on testing of web applications, APIs, and network infrastructure, with involvement in Cyber Essentials Plus and broader ...

Barclay Simpson is seeking an internal Penetration Tester to work on WebApp, Infrastructure (internal and external), and Cloud testing. You will carry out annual perimeter tests, engage in project work, and perform peer reviews of reports. You will communicate findings to senior stakeholders in the business and work ...

Secure Consult is seeking a Senior Penetration Tester with CHECK Team Lead expertise for a two-year contract based in Taunton. The role is hybrid but heavy on site, requiring approx. 110 days on client premises annually. You will lead offensive security assessments across infrastructure and web applications ...

Accenture PLC is seeking a Cyber Security Penetration Tester to perform hands-on security testing of client web applications, APIs and infrastructure across the UK. You will work within a collaborative testing team, guided by senior testers and CHECK Team Leaders on complex engagements, delivering clear remediation advice. … This role suits an early-career tester looking to broaden technical skills and pursue recognised industry certifications while working in a hybrid model (1 day a month in the #J-18808-Ljbffr ...

Ethical Hacker/Penetration Tester - no experience needed From £45,000 - £6 5,000 This is a self-funded career programme with a guaranteed job on completion or 100% of your course fees back Train. Certify. Get Hired. Are you looking to start a career in Cyber Security ...

Ethical Hacker/Penetration Tester - no experience needed From £45,000 - £6 5,000 This is a self-funded career programme with a guaranteed job on completion or 100% of your course fees back Train. Certify. Get Hired. Are you looking to start a career in Cyber Security ...