Senior Penetration Tester - CTM

Added 08/09/2026

We are seeking a Senior Penetration Tester to lead and deliver sophisticated security assessments across applications, infrastructure, cloud environments, networks and emerging technologies. You will be responsible for planning, scoping and executing penetration tests, red-team exercises and vulnerability assessments, identifying weaknesses that could be exploited by real-world attackers, and clearly communicating the associated business risks. The role will involve working with technical and non-technical stakeholders to validate findings, provide practical remediation guidance and support improvements to overall security resilience. Key responsibilities include developing test plans and rules of engagement; conducting manual and automated testing; exploiting vulnerabilities safely and responsibly; reviewing...

Senior Penetration Tester - CTM

Added 25/08/2026

We are seeking a Senior Penetration Tester to lead and deliver high-quality offensive security assessments across a varied technology estate. This is a hands-on role for an experienced security professional who can plan and execute complex engagements, identify and validate vulnerabilities, and communicate risk clearly to both technical and non-technical audiences. You will work across web applications, APIs, mobile platforms, infrastructure, cloud environments, networks, and internal systems, adapting your approach to each client and assessment objective. Your responsibilities will include scoping engagements, developing test plans, conducting manual and automated penetration testing, and producing accurate, evidence-based reports. You will be expected...

Senior Penetration Tester - CTM

Added 19/08/2026

We are seeking a highly skilled Senior Penetration Tester to join our dynamic cybersecurity team. In this role, you will be responsible for conducting comprehensive penetration tests on a variety of systems, applications, and networks to identify vulnerabilities and assess security posture. You will develop and execute detailed test plans, analyze findings, and provide actionable recommendations to enhance security measures. Your expertise will contribute to the continuous improvement of our security protocols and frameworks, ensuring robust protection against potential threats. The ideal candidate will possess extensive knowledge of offensive security methodologies and tools, along with strong experience in web application...

Senior Penetration Tester - CTM

Added 11/08/2026

We are seeking a highly skilled Senior Penetration Tester to join our dynamic security team. In this role, you will be responsible for conducting comprehensive security assessments on a variety of systems, applications, and networks to identify vulnerabilities and provide actionable recommendations. You will utilize your expertise in security testing methodologies and tools to simulate real-world attacks, helping to safeguard our clients' sensitive data and infrastructure. Collaborating closely with development and operations teams, you will assist in the implementation of security best practices and ensure that security is integrated throughout the software development lifecycle. The ideal candidate will possess a...

Senior Penetration Tester - CTM

Added 24/07/2026

We are seeking a highly skilled Senior Penetration Tester to join our dynamic cybersecurity team. In this role, you will be responsible for conducting advanced penetration tests and security assessments on a variety of systems, applications, and networks. You will work closely with cross-functional teams to identify vulnerabilities and provide actionable recommendations to enhance security postures. Your expertise will be critical in developing and implementing comprehensive testing strategies, ensuring that our clients’ systems are resilient against emerging threats. The ideal candidate will have extensive experience in penetration testing methodologies and tools, along with a deep understanding of applied security principles....

Senior Penetration Tester

Added 15/09/2026

We are seeking a Senior Penetration Tester to lead and deliver high-quality security assessments across applications, infrastructure, cloud environments, networks and emerging technologies. You will plan and execute penetration tests, vulnerability assessments and red-team engagements, using a risk-based approach to identify weaknesses that could affect confidentiality, integrity or availability. The role will involve scoping engagements, defining test methodologies, reviewing technical documentation, conducting reconnaissance and exploitation activities, and validating remediation efforts. You will also be expected to maintain accurate evidence, assess business impact and communicate findings clearly to both technical and non-technical stakeholders. As a senior member of the security testing...

Senior Penetration Tester

Added 15/09/2026

We are seeking an experienced Senior Penetration Tester to assess the security of complex applications, infrastructure, networks, cloud environments, and connected technologies. You will plan and deliver penetration tests across web and mobile applications, APIs, internal and external networks, wireless environments, and adversary simulation engagements. The role involves identifying vulnerabilities, validating their potential impact, demonstrating realistic attack paths, and providing clear, actionable recommendations that support effective remediation. You will lead engagements from scoping and rules of engagement through reconnaissance, testing, exploitation, evidence collection, and reporting. Responsibilities include developing test plans, selecting appropriate tools and methodologies, conducting manual assessments beyond automated...

Senior Penetration Tester

Added 18/08/2026

We are seeking a highly skilled Senior Penetration Tester to join our dynamic cybersecurity team. In this role, you will be responsible for conducting thorough penetration tests on a variety of systems, applications, and networks to identify vulnerabilities and recommend actionable remediation strategies. You will work closely with stakeholders to understand security requirements and ensure compliance with industry standards. Your expertise will play a crucial role in enhancing the security posture of our clients and safeguarding sensitive information. The ideal candidate will possess a deep understanding of security protocols, risk assessment methodologies, and the latest hacking techniques. You will be...

Cyber Security Consultant (Penetration Tester)

Added 18/09/2026

We are seeking a Cyber Security Consultant (Penetration Tester) to assess the security of applications, infrastructure, networks and cloud environments. You will plan and deliver penetration tests, vulnerability assessments and security reviews, identifying weaknesses that could be exploited by malicious actors. The role involves defining test scopes, selecting appropriate methodologies, conducting technical assessments, and producing clear, evidence-based reports for both technical and non-technical audiences. You will be responsible for performing infrastructure, web application, mobile application, API, wireless and cloud penetration testing, as well as red team or assumed-breach activities where required. Duties will include reconnaissance, vulnerability analysis, exploitation, privilege escalation,...

Penetration Tester - UK (Remote)

Added 15/09/2026

We are seeking a skilled Penetration Tester to join a remote security team supporting clients across the UK. In this role, you will assess the security of networks, applications, cloud environments and infrastructure, identifying vulnerabilities before they can be exploited. You will plan and conduct authorised penetration tests, perform reconnaissance and threat modelling, exploit weaknesses safely, and evaluate the potential business impact of your findings. The role may involve web application, API, internal and external infrastructure, wireless, mobile, social engineering and cloud security assessments. You will be responsible for maintaining clear testing documentation, capturing reliable evidence and producing high-quality technical...

Principal Penetration Tester (12 Month FTC)

Added 15/09/2026

We are seeking an experienced Principal Penetration Tester for a 12-month fixed-term contract. This is a senior technical role responsible for planning and delivering high-quality penetration testing and security assessment engagements across applications, infrastructure, cloud environments, networks, APIs, mobile platforms and emerging technologies. You will work with technical and business stakeholders to understand risk, define appropriate testing approaches and provide practical, evidence-based recommendations that strengthen security resilience. Your responsibilities will include leading complex penetration tests from scoping and threat modelling through to exploitation, reporting and remediation support. You will identify and validate vulnerabilities, assess their potential business impact, and produce...

Security Testing Consultant (Penetration Tester) Hybrid

Added 15/09/2026

We are seeking a Security Testing Consultant (Penetration Tester) to join a collaborative cyber security team in a hybrid working environment. In this role, you will plan and deliver authorised penetration tests across web applications, mobile applications, APIs, networks, cloud environments and infrastructure. You will work with technical and business stakeholders to understand testing objectives, identify attack paths, assess risk and provide practical recommendations that improve overall security resilience. Your responsibilities will include scoping engagements, developing test plans, conducting manual and automated security assessments, validating vulnerabilities and maintaining accurate evidence throughout each assignment. You will prepare clear, professional reports that...

Security Testing Consultant (Penetration Tester) Hybrid

Added 15/09/2026

We are seeking a Security Testing Consultant (Penetration Tester) to join a collaborative cybersecurity team on a hybrid basis. In this role, you will plan and deliver penetration tests across web applications, APIs, mobile platforms, infrastructure, cloud environments and networks. You will assess security controls, identify vulnerabilities and determine the potential business impact of weaknesses using recognised testing methodologies and industry-standard tools. The position involves working with technical and non-technical stakeholders to understand environments, agree testing objectives and provide clear, practical advice to improve security resilience. Your responsibilities will include conducting manual and automated security assessments, validating findings, safely exploiting...

Penetration Tester

Added 09/09/2026

We are seeking a skilled Penetration Tester to identify, assess and help remediate security weaknesses across applications, infrastructure, networks and cloud environments. You will plan and conduct authorised security assessments using a combination of manual testing, recognised methodologies and appropriate automated tools. Your work will help strengthen defensive capabilities, reduce operational risk and provide clear, actionable insight to technical and non-technical stakeholders. Key responsibilities include scoping engagements, reviewing requirements and relevant documentation, performing vulnerability assessments and penetration tests, and safely validating potential weaknesses. You will investigate findings, assess exploitability and business impact, maintain accurate testing records, and produce high-quality reports...

Lead Ethical Hacking Penetration Tester (£57,515 - £82,430)

Added 09/09/2026

We are seeking a Lead Ethical Hacking Penetration Tester to provide expert security testing and assurance across a complex technology environment. Offering a salary of £57,515–£82,430, this role will lead the planning, delivery and reporting of penetration tests across applications, infrastructure, cloud platforms, networks, mobile technologies and emerging services. You will identify vulnerabilities, assess business impact, validate security controls and provide clear, practical recommendations that help reduce cyber risk. You will take technical ownership of penetration testing engagements from scoping and threat modelling through to remediation support and retesting. Responsibilities will include developing test plans, selecting appropriate tools and methodologies,...