Offensive Security Researcher

Added 22/09/2026

We are seeking an Offensive Security Researcher to identify, investigate, and help mitigate security weaknesses across applications, infrastructure, devices, and emerging technologies. You will conduct authorised penetration tests, vulnerability research, red-team activities, and security assessments to uncover realistic attack paths and evaluate the effectiveness of existing controls. The role involves researching new exploitation techniques, developing proof-of-concept code in controlled environments, analysing vulnerabilities, and translating technical findings into practical recommendations. You will collaborate with software engineers, security specialists, infrastructure teams, and other stakeholders throughout the assessment lifecycle. Responsibilities include defining test objectives and scope, conducting reconnaissance, performing manual and automated testing,...

OT Cybersecurity Engineer (Offensive Security / Security Assessments / Security Testing)

Added 28/07/2026

We are seeking a skilled OT Cybersecurity Engineer specializing in Offensive Security, Security Assessments, and Security Testing to join our dynamic team. In this role, you will be responsible for conducting thorough security assessments of operational technology (OT) environments, identifying vulnerabilities, and recommending appropriate mitigation strategies. You will work closely with cross-functional teams to ensure that security measures are effectively implemented and aligned with industry best practices. Your key responsibilities will include performing penetration testing and vulnerability assessments on OT systems, analyzing security controls and configurations, and developing detailed reports on findings with actionable recommendations. You will also participate in...

Senior Offensive Security Engineer — Founding Security Hire

Added 01/09/2026

We are seeking a Senior Offensive Security Engineer to become the founding security hire and establish the foundations of a high-impact security function. This is a hands-on role for an experienced security professional who enjoys working across product, infrastructure, cloud environments, and organisational processes. You will define and execute a practical offensive security programme, identify meaningful risks, and partner closely with engineering and leadership teams to improve the security of systems, applications, and customer-facing services. Your responsibilities will include planning and conducting penetration tests, red-team exercises, vulnerability assessments, and threat-led reviews across web applications, APIs, cloud platforms, networks, and internal...

Offensive Security Engineer

Added 22/09/2026

We are seeking an Offensive Security Engineer to identify, assess, and help remediate security weaknesses across applications, infrastructure, networks, and cloud environments. You will plan and conduct authorised penetration tests, red-team exercises, vulnerability assessments, and security reviews, using a combination of manual techniques, automation, and industry-standard tooling. The role will involve emulating realistic attacker behaviour while maintaining a strong focus on safety, scope, evidence handling, and clear communication. You will work closely with engineering, architecture, and security teams to validate vulnerabilities, demonstrate business impact, and provide practical recommendations that improve resilience. Responsibilities will include developing test plans and attack paths;...

Head of Offensive AI Security & Technical Excellence

Added 15/09/2026

We are seeking a visionary Head of Offensive AI Security & Technical Excellence to lead the development of advanced security capabilities across artificial intelligence, machine learning, and emerging technologies. This senior role will define and execute an offensive security strategy focused on identifying, validating, and reducing risks in AI-enabled products, platforms, models, and supporting infrastructure. You will build and lead a high-performing team of security researchers, red teamers, penetration testers, and technical specialists, fostering a culture of curiosity, responsible challenge, and continuous improvement. Your responsibilities will include establishing programmes for AI red teaming, adversarial testing, threat modelling, vulnerability research, model...

Senior Consultant – Offensive Cyber Security

Added 11/09/2026

We are seeking a Senior Consultant – Offensive Cyber Security to lead and deliver sophisticated security assessments for a diverse range of clients and technology environments. You will plan and execute penetration tests, red team engagements, adversary simulations, vulnerability assessments and security reviews across applications, networks, cloud platforms, APIs, mobile technologies and infrastructure. You will be responsible for defining testing objectives, identifying realistic attack paths, safely exploiting vulnerabilities where appropriate, and assessing the potential business impact of your findings. The role includes managing engagements from scoping and rules of engagement through to technical delivery, quality assurance and client reporting. You...

Senior Consultant – Offensive Cyber Security

Added 11/09/2026

We are seeking a Senior Consultant – Offensive Cyber Security to lead and deliver high-quality penetration testing and red team engagements across a range of technical environments. You will work with clients to assess their security posture, identify exploitable weaknesses and provide practical recommendations that strengthen resilience against real-world threats. The role will involve planning and scoping engagements, defining testing methodologies, managing timelines and maintaining clear communication with technical and non-technical stakeholders. You will conduct advanced assessments across applications, APIs, networks, cloud environments, wireless infrastructure, Active Directory and physical security, using both established and creative techniques. Responsibilities will include vulnerability...

Cyber Security Offensive Specialist

Added 04/09/2026

We are seeking a Cyber Security Offensive Specialist to strengthen an established security function and help identify, validate, and reduce cyber risk across applications, infrastructure, networks, cloud environments, and corporate systems. You will plan and conduct authorised penetration tests, vulnerability assessments, red team exercises, and adversary simulations, using a broad range of manual techniques and industry-standard tooling. Your work will help uncover weaknesses before they can be exploited and provide clear, practical recommendations for remediation. Key responsibilities include scoping and executing offensive security engagements, developing attack paths and test plans, analysing findings, and producing accurate technical and management-level reports. You...

Artificial Intelligence (AI) Offensive Security Analyst

Added 02/09/2026

We are seeking an Artificial Intelligence (AI) Offensive Security Analyst to assess, challenge, and improve the security of AI-enabled systems, applications, and supporting infrastructure. In this role, you will conduct authorised adversarial testing across machine learning models, generative AI tools, APIs, data pipelines, and cloud environments. You will investigate potential weaknesses including prompt injection, data leakage, model manipulation, insecure integrations, excessive permissions, supply-chain risks, and abuse of automated decision-making processes. You will plan and execute red-team exercises, vulnerability assessments, threat modelling activities, and security reviews, documenting findings with clear evidence, risk ratings, and practical remediation guidance. The role will involve...

BDO Digital Offensive Senior Security Analyst

Added 01/09/2026

We are seeking a Digital Offensive Senior Security Analyst to join a highly skilled cybersecurity team focused on identifying, assessing, and reducing technology risk. In this role, you will lead sophisticated offensive security engagements across applications, infrastructure, cloud environments, networks, and emerging technologies. You will work closely with technical teams and business stakeholders to understand the threat landscape, simulate realistic attack scenarios, and provide clear, practical recommendations that strengthen security controls and resilience. Your responsibilities will include planning and delivering penetration tests, red team exercises, vulnerability assessments, and security reviews from scoping through to final reporting. You will research new...

Junior Offensive Security Consultant

Added 26/08/2026

We are seeking a Junior Offensive Security Consultant to support the delivery of high-quality penetration testing and security assessment services across a range of client environments. Working alongside experienced consultants, you will help identify, validate and communicate security weaknesses in applications, infrastructure, networks and cloud environments. This is an opportunity to develop practical offensive security skills while contributing to engagements that help organisations improve their resilience against real-world threats. Your responsibilities will include assisting with scoping and preparing assessments, conducting vulnerability research and testing, documenting evidence, and analysing findings to determine their potential business impact. You will contribute to clear,...

Senior Consultant – Offensive Cyber Security

Added 25/08/2026

We are seeking a Senior Consultant – Offensive Cyber Security to lead and deliver high-quality penetration testing, red teaming and adversary simulation engagements across diverse client environments. You will assess the security of applications, networks, infrastructure, cloud platforms and connected technologies, identifying vulnerabilities and demonstrating realistic attack paths while maintaining a strong focus on safety, ethics and business impact. The role involves planning and scoping engagements, developing testing methodologies, executing technical assessments, analysing findings and producing clear, evidence-based reports for both technical and executive audiences. You will work closely with clients and internal stakeholders to communicate risks, explain technical vulnerabilities...

Senior Consultant – Offensive Cyber Security

Added 25/08/2026

We are seeking a Senior Consultant – Offensive Cyber Security to lead and deliver high-quality penetration testing and offensive security engagements across a range of client environments. You will assess the resilience of applications, infrastructure, networks, cloud platforms and emerging technologies, identifying vulnerabilities and demonstrating realistic attack paths. The role will involve scoping and planning engagements, managing delivery, maintaining clear communication with stakeholders, and producing accurate, commercially focused reports that provide practical remediation advice. You will be expected to contribute to the development of testing methodologies, tools and internal capabilities, while supporting junior consultants through coaching, technical review and knowledge...

Artificial Intelligence (AI) Offensive Security Analyst

Added 25/08/2026

We are seeking an Artificial Intelligence (AI) Offensive Security Analyst to assess, challenge and strengthen the security of AI-enabled systems, machine learning models and supporting infrastructure. You will use offensive security techniques to identify vulnerabilities, misuse cases and failure modes across the AI lifecycle, from data collection and model development through deployment and ongoing operation. This role is suited to an experienced security professional who is curious about emerging technologies and able to translate complex technical findings into practical risk-reduction measures. Your responsibilities will include planning and conducting red-team exercises, adversarial testing and penetration assessments against AI applications, APIs, model...