8 of 8 Permanent Security Penetration Tester Jobs in London

Cyber Security Penetration Tester

Location
Greater London, England, United Kingdom
Title: Cyber Security Penetration Tester Locations: UK wide (hybrid work- 1x a month in office) Salary: Competitive salary and package (Depending on level of experience) Please Note:Any offer of employment is subject to satisfactory BPSS and SC security … including no periods of 30 consecutive days or more spent outside of the UK) at the point of application. Role overview As a Penetration Tester, you will deliver hands-on security testing of client web applications, APIs and infrastructure. Working within ...

Senior Penetration Tester - FinTech Security Leader

Location
Greater London, England, United Kingdom
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 … operated securely. This is a collaborative role - you’ll directly interact with 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 ...

Senior Penetration Tester — Web, Mobile & API Security

Location
City Of London, England, United Kingdom
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 … years of experience in Information Security and Penetration Testing, along with industry certifications. This full-time role offers a salary of £35,000 per year and the ability to work Monday to Friday. #J-18808-Ljbffr ...

Senior Penetration Tester — Offensive Security Lead

Location
Greater London, England, United Kingdom
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 ...

Penetration Tester — Web, API & Cloud Security

Location
Greater London, England, United Kingdom
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 security assessments. You will identify security weaknesses, explain business risks, and provide remediation guidance while contributing to service development and client #J-18808-Ljbffr ...

Senior Penetration Tester: Lead Offensive Security

Location
Greater London, England, United Kingdom
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 ...

Penetration Tester: Web Apps, APIs & Cloud Security

Location
Greater London, England, United Kingdom
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, with involvement in Cyber Essentials Plus assessments and broader security reviews. You will identify weaknesses, explain risks, and provide remediation guidance tailored to #J-18808-Ljbffr ...

Hybrid IT & OT Security Penetration Tester

Location
City of Westminster, England, United Kingdom
strategists, innovators, designers, consultants, digital experts, scientists, engineers, and technologists. And we have deep expertise in consumer and manufacturing, defence and security, energy and utilities, financial services, government and public services, health and life sciences, and transport. Our teams operate globally from offices across the UK, Ireland … problem solve as a team, alongside asynchronous communication on Teams Work by yourself, or play your part in larger projects Deliver high quality security assessments within agreed deadlines Produce written and verbal reports for clients to an excellent standard. Develop and share knowledge with the rest ...