Penetration Tester (CHECK Team Member). Penetration Tester (CHECK Team Member). Deliver high-quality penetration tests and vulnerability assessments.
Senior Information Security Tester / Senior Penetration Tester. This is a highly visible, hybrid role combining hands-on penetration testing with strategic input, stakeholder engagement, and mentoring responsibilities. API, and infrastructure penetration testing.
Perform hands‑on penetration testing across hardware, software, and telecoms‑specific technologies to identify vulnerabilities in complex systems. Have a background in infrastructure, networking, or software development and hands‑on penetration testing experience (this is not an entry level ro
CAPGEMINI is looking for a penetration tester to join their Cybersecurity Practice in the UK. In this role, you will conduct penetration tests to identify and manage security risks for clients, using both manual and automated techniques.
Security Penetration Tester for a contract role in the East Midlands. This hybrid position involves working three days a week, with an immediate start, to enhance the company's internal penetration testing capabilities. Ideal candidates will have proven experience in penetration testing, strong vuln
Alice (Formerly ActiveFence) is looking for a Senior Penetration Tester to join their security research division in the United Kingdom. The position involves leading advanced penetration tests on web applications and enterprise systems, engaging in Red Team projects, and developing security tools.
Hack The Box is looking for a Senior Penetration Tester to join their offensive security team in Greater London. This role involves conducting penetration tests on applications, infrastructure, and cloud environments. Candidates should have proven experience in penetration testing, proficiency with
Conduct hands‑on penetration testing within a dedicated in‑house lab environment, ensuring safe and controlled testing. Have strong experience in penetration testing, with a solid understanding of exploitation techniques and how they apply in real‑world environments.
Roles include security analysts, penetration testers, and threat intelligence specialists.
Capital One Offensive Security reduces cyber risk by uncovering vulnerabilities and weaknesses in the enterprise cyber environment through coordinated ethical hacking and penetration testing scenarios. Perform penetration testing of APIs, web applications, networks, and cloud services, as well as re
We have an exciting opportunity for a Senior Penetration Tester to join our thriving Cyber Security practice. We are seeking a skilled individual, with expertise in penetration testing or vulnerability research, who can contribute to the development of innovative solutions and security outcomes to s
As an experienced Penetration Tester at Starling, you’ll be joining an established team, working with talented cybersecurity professionals to ensure our services are designed, developed and operated securely. Being an internal tester, you’ll gain a strong understanding of how technology works at
UBDS Digital seeks a Senior Penetration Tester to lead various engagements and maintain CHECK Green Status while supporting customer needs. The ideal candidate will possess relevant CTL qualifications, demonstrate strong leadership skills, and have a passion for penetration testing.
A leading digital bank is seeking an experienced Penetration Tester to join their cybersecurity team. You will be responsible for conducting penetration tests and collaborating with engineering teams to enhance security measures.
Have solid experience in penetration testing and offensive security.
Paragon are working with a systematic hedge fund, looking for an experienced Penetration Tester to join their internal security team. Scope: performing hands‑on penetration testing, running adversary simulations, and helping engineers understand how attackers actually think. Strong penetration tes
Bridewell is seeking an experienced Senior Penetration Tester to deliver high-quality security assessments and work on exciting projects.
Darkshield is seeking an experienced Penetration Tester in York, UK, to conduct security assessments and ethical hacking.
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 and operated securely. Being an internal tester, you’ll gain a strong understanding of how technology works a
FSP is seeking a skilled Senior Penetration Tester to join their Cyber Security practice in Greater London. The ideal candidate will have at least 2 years of experience in penetration testing or vulnerability research, and be proficient in programming languages like C/C++, C#, Java, and Python.
A cybersecurity firm in Greater London seeks a Penetration Tester to plan and conduct ethical hacking exercises and identify vulnerabilities in systems.
Security testing professionals, including penetration testers and security analysts, are responsible for identifying, analyzing, and mitigating vulnerabilities in software, systems, and networks.
Pen Test Partners LLP is seeking an enthusiastic security consultant to join their team in the UK.This role includes delivering pen testing services for various clients, from presales to delivery and debriefs.Applicants should have a minimum of two years' experience in pen testing and be familiar wi
A premier consulting firm in London is seeking a skilled penetration tester. The ideal candidate will possess certifications like OSCP or CREST and experience in various penetration testing fields.
A-LIGN in Greater London is looking for a skilled Penetration Tester to execute high-quality security assessments for diverse clients. A qualification in cybersecurity and at least 2 years of experience in penetration testing are essential. You will perform various penetration tests and guarantee th
Assessments & Exercises Vice President in Penetration Test. In this key role, you will enhance the firm's cybersecurity through hands-on penetration testing and risk assessment methodologies. Ideal candidates are eager learners with strong communication skills, and experience in manual penetration t
The National Physical Laboratory (NPL) is seeking a skilled Security Tester to join their team in Solihull. The role involves conducting security assessments, performing penetration testing, and investigating security findings.
Uniting Ambition IT Contract is seeking an experienced Senior Security Penetration Tester to join their Information Security function for an initial 3-month contract. The role involves conducting penetration testing to identify vulnerabilities across networks and applications.
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 Re
A progressive financial institution in Greater London is looking for an experienced Penetration Tester to join their team. Ideal candidates have over 5 years of experience in penetration testing, a strong foundation in mobile and web security, and communication skills.
As a penetration tester in our CTAS team you’ll play a vital role in helping our clients detect, understand and manage their security risks. Your roleBeing certified as a CHECK Team Member (CTM) is a prerequisite to joining our CTAS team as a penetration tester. As a member of this team, you’ll
Develop and share knowledge with the rest of the penetration testing team. Have developed SME knowledge in one or more fields of penetration testing, such as mobile application testing, Cloud, Operational Technology, or a specific industry/environment such as telecoms, defence, or maritime.
You will be responsible for conducting hands-on penetration testing and mentoring junior team members, all within a collaborative work environment.
A leading digital bank in the UK is seeking an experienced Penetration Tester to join their cybersecurity team. This role involves performing penetration tests and advising on security improvements. Candidates should have 5+ years in technical security, experience with mobile and web applications, a
We are looking for an experienced Penetration Tester to join our team. We help organisations navigate an increasingly complex digital landscape by providing expert services in penetration testing, vulnerability assessment, managed security, and more. Conduct penetration testing on networks, applicat
As a result of growth, we are looking for an experienced Senior Penetration Tester with solid experience of infrastructure and web application testing to deliver testing engagements on a range of key client work. This is an excellent opportunity for a highly motivated and determined Penetration Test
Thames Water is seeking a Security Penetration Tester based in the United Kingdom. You will develop the penetration testing function and conduct extensive security assessments across systems.
Digital Safety Penetration Tester (16997). As a Digital Safety Penetration Tester you will perform hands‑on ethical hacking engagements across applications, APIs, infrastructure and cloud environments. Familiarity with industry‑standard penetration testing tools, frameworks and methodologies inc
A-LIGN External, located in London, is seeking a Penetration Tester to deliver high-quality security assessments for a diverse portfolio of clients. The role involves executing various penetration tests, generating reports, and enhancing client security.
A leading information security company in the UK is seeking an experienced penetration tester. This role involves conducting comprehensive penetration tests on various environments, including web applications and Cloud services.
You will conduct penetration tests, assess application security, and engage with development teams to improve security practices.
Mistral is seeking a hands-on Penetration Tester in Greater London to join our Offensive Security team. Your expertise will help shape how AI transforms penetration testing.
Sanderson is seeking a Senior Information Security Tester to join a growing cyber security team in the United Kingdom. This hybrid role involves conducting web application and API penetration testing while engaging with stakeholders and mentoring junior team members.
Barclay Simpson is seeking an experienced Penetration Tester to join their team in Greater London.
Familiarity with vulnerability assessment and penetration testing techniques. At least 1-2 years of experience in penetration testing. We are on the hunt for an expert in Penetration Testing.
A leading cybersecurity consultancy in the UK is seeking a skilled Senior Penetration Tester to join their Cyber Security practice. The role involves leading penetration testing engagements, providing technical advice on security technologies, and contributing to innovative cybersecurity solutions.