23 of 23 Security Penetration Tester Jobs in the UK

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 ...

Penetration Tester – Bristol | Full-Time | Hybrid with Client Travel My client is a UK-based technology and cybersecurity consultancy delivering cutting‐edge solutions across sectors including telecoms, finance, defence, rail, and aerospace. With expertise in cybersecurity, software development, and R&D, they work … some of the most critical and challenging projects in the UK and beyond. The Role They’re looking for an experienced Penetration Tester to join their expert team in Bristol. You’ll be responsible for conducting advanced penetration tests, red team ...

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 ...

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 ...

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 ...

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 ...

Greetings from Response Informatics We are currently hiring a AI Security Tester for an exciting client engagement. Role: AI Security Tester Location: Reading , UK ( Hybrid Role, when needed will have to travel to Client offices or customer location ...

Description Greetings from Response Informatics!! \ N We are currently hiring a AI Security Tester for an exciting client engagement. \ N Role: AI Security Tester \ N Location: Reading, UK ( Hybrid Role, when needed will have to travel to Client ...

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 … strong communication skills. You'll help build a Penetration Testing team and contribute to the growth of the business. #J-18808-Ljbffr ...

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 ...

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 ...

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 ...

Accountants & Business Advisors Ltd is seeking a Lead Penetration Tester with 5+ years of experience to lead client engagements and advance our Cyber Security practice. You will oversee penetration testing across infrastructure, web apps and cloud, deliver assessments … high-quality reports, and mentor junior consultants. You’ll work with clients on security reviews aligned to recognised frameworks and help shape service offerings while staying ahead of emerging threats and best practices. #J-18808-Ljbffr ...

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. We value curiosity, collaboration, and continuous learning as we strengthen the Group's security posture. If you’re ready to make an impact and grow, apply now. #J-18808-Ljbffr ...

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 ...

ThreatSpike Ltd. is seeking a Senior Penetration Tester to lead web, internal and external assessments, using OWASP and MITRE ATT&CK frameworks. The role emphasizes mentorship, client communication, and hands-on testing across platforms. Remote-first role across the United Kingdom, United States, Singapore ...

Guideposts Trust Limited is seeking a skilled Penetration Tester to join our expanding team in the United Kingdom. The role focuses on manual penetration testing across multiple disciplines, with reporting to a high standard and clear communication to non-technical audiences. … require a minimum of two years’ experience in penetration testing, along with a relevant degree in cyber security or related field. Some travel to client sites will be necessary. #J-18808-Ljbffr ...

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 ...

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 ...

Ruptura InfoSecurity is seeking an experienced Senior Penetration Tester to lead complex testing engagements across infrastructure, web apps, cloud and internal environments. You will identify attack paths, craft remediation guidance and present findings to technical and executive stakeholders. Join a high-performing offensive security ...

office, initially this will be in Bracknell and then moving to Maidenhead towards the end of this year. As Security Consultant (SC) you will use your existing strong technical and analytical skills to develop a strategic and pragmatic view of enterprise security as well … conduct detailed security assessments (vulnerability analysis, penetration testing, red team engagements) for both client-facing and internal environments, including the creation of technical reports. Working on multiple projects provides exposure to different industries. You'll be collaborating with members of the Corsaire security ...

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 ...

Nationwide Group is seeking a skilled Penetration Testing Engineer to join our offensive security team across the UK estate. You will conduct security assessments, scope engagements, and deliver clear findings to stakeholders. You will work independently and proactively, communicating risks ...