Cybersecurity Tester/Researcher

Added 17/09/2026

We are seeking a Cybersecurity Tester/Researcher to assess the security of applications, infrastructure, networks, and emerging technologies. The successful candidate will plan and conduct penetration tests, vulnerability assessments, security reviews, and controlled attack simulations across web, mobile, cloud, API, and enterprise environments. You will identify weaknesses, validate their impact, and provide clear, evidence-based recommendations that help strengthen security controls and reduce operational risk. Responsibilities include defining test scope and methodologies, performing manual and automated security testing, researching new vulnerabilities and attack techniques, developing proof-of-concept exploits where appropriate, and analysing security events or suspected compromises. You will document findings in detailed...

Cyber Vulnerability Researcher

Added 16/09/2026

We are seeking a Cyber Vulnerability Researcher to identify, analyse, and help mitigate security weaknesses across complex software, hardware, and network environments. You will conduct vulnerability research using a combination of manual analysis, reverse engineering, fuzzing, code review, and dynamic testing. The role will involve investigating emerging threats, validating reported vulnerabilities, developing proof-of-concept exploits where appropriate, and assessing the potential impact, exploitability, and scope of identified issues. You will collaborate with security engineers, developers, incident responders, and technical stakeholders to communicate findings clearly and support effective remediation. Responsibilities will include producing detailed technical reports, documenting attack paths and reproduction steps,...

Experienced Vulnerability Researcher

Added 16/09/2026

We are seeking an Experienced Vulnerability Researcher to identify, analyse, and responsibly disclose security weaknesses across a broad range of software, hardware, embedded systems, and network technologies. You will conduct independent and collaborative research into vulnerabilities affecting operating systems, applications, protocols, and connected devices, with a focus on developing reliable proof-of-concept exploits and practical remediation guidance. Your responsibilities will include performing vulnerability discovery through source code review, reverse engineering, fuzzing, static and dynamic analysis, and manual testing. You will investigate complex security issues, assess exploitability and impact, document technical findings, and work with engineering and security teams to validate fixes....

Vulnerability Researcher - Consultant

Added 15/09/2026

We are seeking a Vulnerability Researcher – Consultant to identify, analyse, and responsibly disclose security weaknesses across software, hardware, embedded systems, and enterprise technologies. You will conduct vulnerability research from initial discovery through proof-of-concept development, validation, documentation, and remediation support. The role involves working with varied technologies and clients, translating complex technical findings into clear risk assessments and practical recommendations. Responsibilities will include performing vulnerability assessments and security-focused code reviews; developing and refining fuzzing, reverse-engineering, and exploit-development techniques; analysing binaries, protocols, operating systems, applications, and firmware; and creating reliable proof-of-concept demonstrations in controlled environments. You will document findings to a...

Experienced Vulnerability Researcher

Added 14/09/2026

We are seeking an Experienced Vulnerability Researcher to identify, analyse, and responsibly disclose security weaknesses across operating systems, applications, embedded devices, and networked technologies. You will conduct original vulnerability research, reverse engineering, binary analysis, and exploit development to assess real-world security impact. The role involves investigating complex technical problems, developing proof-of-concept code, validating exploitability, and documenting findings clearly for both technical and non-technical audiences. You will be responsible for discovering vulnerabilities through source-code review, fuzzing, dynamic analysis, debugging, and manual testing. You will create and maintain research tooling, automation, and test environments, while keeping current with emerging attack techniques, vulnerability...

Cyber Vulnerability Researcher

Added 09/09/2026

We are seeking a Cyber Vulnerability Researcher to identify, analyse, and help address security weaknesses across complex technology environments. In this role, you will conduct vulnerability research against operating systems, applications, embedded devices, cloud services, and network infrastructure. You will investigate emerging threats, develop proof-of-concept exploits where appropriate, and assess the real-world impact and exploitability of discovered vulnerabilities. Your findings will support defensive engineering, threat intelligence, incident response, and the prioritisation of remediation activities. Key responsibilities include performing vulnerability assessments and security research, analysing software and system behaviour, reverse engineering binaries, and reproducing vulnerabilities in controlled environments. You will create...

Principal Vulnerability Researcher

Added 04/09/2026

We are seeking a Principal Vulnerability Researcher to lead advanced security research across complex software, hardware, and embedded environments. This role will focus on discovering, validating, and responsibly disclosing vulnerabilities that could affect critical systems and products. You will shape research priorities, develop innovative analysis techniques, and provide technical leadership to a team of experienced security researchers. The position requires a strong combination of offensive security expertise, curiosity, sound judgement, and the ability to turn complex findings into clear, actionable outcomes. Your responsibilities will include conducting vulnerability research through reverse engineering, fuzzing, code review, binary analysis, and exploitation; designing bespoke...

Junior Vulnerability Researcher - September 2027

Added 26/08/2026

We are seeking a Junior Vulnerability Researcher to join a technically focused security team from September 2027. This is an entry-level opportunity for someone with a strong interest in offensive security, software analysis and the discovery of previously unknown weaknesses. You will work alongside experienced researchers to investigate vulnerabilities across applications, operating systems, embedded devices and network technologies, helping to improve the security of products and services used by a wide range of customers. Your responsibilities will include analysing source code and compiled binaries, developing proof-of-concept exploits, reproducing reported security issues and assessing their potential impact. You will use techniques...

Vulnerability Researcher – Manchester

Added 25/08/2026

We are seeking a Vulnerability Researcher to join a specialist security team in Manchester. This role is suited to an experienced vulnerability researcher, penetration tester, reverse engineer or security professional with a strong interest in discovering, analysing and responsibly disclosing weaknesses in software, hardware and connected systems. You will investigate emerging threats, assess the security of products and services, and develop clear technical findings that help engineering teams understand and address risk. Your responsibilities will include researching vulnerabilities across operating systems, applications, embedded devices and network technologies; performing static and dynamic analysis; reverse engineering binaries and protocols; and creating proof-of-concept...

Penetration Tester - Vulnerability Researcher

Added 25/08/2026

We are seeking a Penetration Tester - Vulnerability Researcher to identify, analyse and help remediate security weaknesses across applications, infrastructure, networks and emerging technologies. You will conduct authorised penetration tests and vulnerability assessments, using both manual techniques and industry-standard tooling to simulate realistic attack scenarios. The role will involve scoping engagements, reviewing technical documentation, developing test plans, exploiting vulnerabilities safely, and assessing the potential business impact of findings. You will also contribute to security research by investigating new attack methods, emerging vulnerabilities, offensive tools and defensive bypass techniques. You will be responsible for producing clear, evidence-based reports that explain vulnerabilities,...

Experienced Vulnerability Researcher

Added 11/08/2026

We are seeking an Experienced Vulnerability Researcher to join our dynamic team of cybersecurity professionals. In this role, you will be responsible for identifying, analyzing, and reporting on security vulnerabilities across various systems and applications. Your expertise will play a critical role in enhancing the security posture of our organization by conducting thorough assessments and penetration testing. You will also stay abreast of emerging threats and vulnerabilities, providing actionable insights to mitigate risks effectively. The ideal candidate will possess a strong background in software development, security analysis, and vulnerability assessment methodologies. You should be proficient in using a variety of...

Vulnerability Researcher - Consultant

Added 07/08/2026

We are seeking a skilled Vulnerability Researcher - Consultant to join our dynamic team. In this role, you will be responsible for identifying, analyzing, and reporting on vulnerabilities in various software and systems. Your expertise will be crucial in conducting thorough assessments and recommending effective mitigation strategies. You will collaborate closely with other security experts and development teams to ensure vulnerabilities are addressed promptly and effectively. Additionally, you will be tasked with staying updated on the latest security trends and vulnerabilities, contributing your findings to enhance our overall security posture. The ideal candidate should possess strong knowledge of penetration testing...

Penetration Tester - Vulnerability Researcher

Added 29/07/2026

Are you passionate about uncovering security flaws and helping organizations stay ahead of cyber threats? We are seeking a skilled Penetration Tester - Vulnerability Researcher to join our dynamic team. In this role, you will perform comprehensive security assessments on a variety of systems, applications, and networks. You’ll plan and execute penetration tests, identify vulnerabilities, and provide clear, actionable recommendations to improve security postures. Your work will involve both manual and automated testing methods, as well as the development and customization of testing tools and scripts to simulate real-world attack scenarios. Key responsibilities include conducting vulnerability assessments, red teaming exercises,...

Vulnerability Researcher

Added 22/07/2026

We are seeking a dedicated Vulnerability Researcher to join our dynamic team, focused on identifying and mitigating security threats across various platforms. In this role, you will be responsible for conducting thorough research on software vulnerabilities and analyzing security flaws in applications, systems, and networks. You will utilize a variety of tools and techniques to uncover vulnerabilities, document your findings, and collaborate with engineering teams to develop effective remediation strategies. Your expertise will play a crucial role in enhancing our security posture and protecting sensitive data from potential breaches. The ideal candidate will have a robust understanding of security principles,...

Vulnerability Researcher

Added 22/07/2026

We are seeking a skilled Vulnerability Researcher to join our dynamic team. In this role, you will be responsible for identifying, analyzing, and reporting vulnerabilities in software and systems. Your primary duties will include conducting comprehensive security assessments, utilizing various tools and methodologies to discover potential weaknesses, and working collaboratively with development teams to ensure timely remediation of identified issues. You will also engage in threat modeling and risk assessment to prioritize vulnerabilities based on their impact and exploitability. The ideal candidate will have a strong background in cybersecurity, with a focus on vulnerability research and exploitation techniques. Proficiency in...