19 of 19 Penetration Tester Jobs in London

Lead Penetration Tester Contract: Initial 6 months Day Rate: £700–£800 per day IR35: Inside IR35 1 day per month on site, either Chesterfield or London. About the Role We are looking for an experienced Lead Penetration Tester to take ownership … penetration testing process across applications, infrastructure and wider technology environments. This is a hands-on role combining penetration testing expertise with the coordination and oversight of testing engagements, third-party suppliers, vulnerability remediation and security findings. You will be responsible for ensuring tests are appropriately scoped, executed ...

Penetration Tester DGH Recruitment are currently recruiting on behalf of a leading client in the Accountancy industry who require a Penetration Tester to join the firm in London. Key Responsibilities: * Lead and support penetration testing engagements across web applications, APIs, and internal and external network … vendor hardening guidance. * Produce clear, high-quality deliverables and present findings to technical and non-technical stakeholders. Required Skills: * Professional experience delivering client-facing penetration tests across web applications, APIs, and internal or external network infrastructure, independently and/or as part of a team. * Strong manual testing capability ...

Penetration Tester DGH Recruitment are currently recruiting on behalf of a leading client in the Accountancy industry who require a Penetration Tester to join the firm in London. Key Responsibilities: Lead and support penetration testing engagements across web applications, APIs, and internal and external network ...

Senior Penetration Tester Remote - Client Travel Required £60,000 - £65,000 VIQU are partnered with a leading Cyber Security Consultancy is looking for an experienced Senior Penetration Tester to join its team. You'll deliver end-to-end penetration testing engagements, work directly with clients … contribute to the development of technical capabilities. Key Responsibilities: Deliver penetration tests from scoping through to reporting and client debrief. Conduct testing across web applications, APIs, infrastructure, networks, cloud and mobile environments. Produce high-quality technical reports and present findings to clients. Support engagement scoping, proposals and client relationships. ...

Penetration Tester - CHECK Team Member Salary: Up to £80,000 Location: UK-wide Working pattern: Hybrid, predominantly home-based with UK client-site travel when required Security requirements: Current SC clearance and sole UK nationality Are you a hands-on Penetration Tester who enjoys finding … investigate findings, demonstrate their real-world impact and provide practical recommendations that help clients strengthen their security. What you'll be doing Delivering penetration tests, security assessments and IT Health Checks Testing web applications, networks and wider IT infrastructure Using manual and automated techniques to simulate real-world attacks ...

Penetration Tester - CHECK Team Member Salary: Up to £80,000 Location: UK-wide Working pattern: Hybrid, predominantly home-based with UK client-site travel when required Security requirements: Current SC clearance and sole UK nationality Are you a hands-on Penetration Tester who enjoys finding ...

Penetration Tester Programme - No Experience Required 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 Penetration Testing but don't know where to begin ...

person. In Technology, we’re asking that you attend the office a minimum of 1 day per week. About the Role As an experienced Penetration Tester at Starling, you’ll be joining an established team, working with talented cyber security professionals to ensure our services are designed, developed … multiple areas of the business to understand requirements, conduct research, perform security testing, and report issues aligned to our risk framework. Being an internal tester, you’ll gain a strong understanding of how technology works at Starling to enable in-depth testing. You’ll also support remediation processes, seeing ...

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 ...

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 ...

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 ...

Morson Human Resources Limited in the United Kingdom is seeking a Lead Penetration Tester to own the end-to-end penetration testing lifecycle across applications, infrastructure and technology environments. This hands-on role combines technical testing with coordination of testing engagements, third-party providers and remediation work. ...

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 ...

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 ...

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 professional development through a dedicated annual training budget. Hybrid working with occasional travel ...

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 remediation efforts to lift overall security posture. You will mentor colleagues ...

Testerwith solid experience of infrastructureandwebapplicationtestingto delivertesting engagementson a range of key client work. This is an excellent opportunity for a highly motivated and determinedPenetration Tester to continue their development and work on a range of exciting projects.As well asdeliveringtesting,Bridewell ensures each consultant hasaccess toa dedicated annualteambudget forpersonaldevelopment. This … experience in a client-facing role. Customerorientedandable to communicate with all levels of an organisation withappropriate technicalcontent. Highly proficient in performing a variety of penetration tests such as infrastructure, web applicationAPItestingand device configuration reviews,etc. CRESTCertified Tester(CCT) or Cyber Scheme TeamLeader(CSTM)with infrastructure specialism- mandatory NCSC ...

role. The role requires someone who can work directly with product and engineering teams, review designs, assess APIs, run threat models, test systems, coordinate penetration testing, identify vulnerabilities, and help teams remediate issues. The role ensures DTS products, APIs, data collaboration capabilities, AI-enabled workflows, and client-facing services … coordinate offensive security testing across DTS products and platforms. This includes: Performing hands-on security testing of products, APIs, and workflows. Coordinating external penetration tests. Supporting red team and purple team exercises where required. Testing abuse cases and attacker paths. Testing access control, authentication, authorization, and data leakage risks. ...