Principal Offensive Security Consultant

Added 04/08/2026

As a Principal Offensive Security Consultant, you will take a leading role in designing, executing, and overseeing complex security assessments for a diverse portfolio of clients. You will serve as a technical authority and trusted advisor, conducting advanced penetration testing, red teaming, and adversary simulation engagements across cloud, on-premises, and hybrid environments. Your expertise will help clients identify security weaknesses, assess risk exposure, and develop actionable remediation strategies. In this role, you will also be responsible for developing bespoke attack scenarios, leveraging the latest tactics, techniques, and procedures (TTPs) used by threat actors, and translating technical findings into clear, business-focused...

Relief Security Operations Centre Operator - Cambridge - CB21

Added 17/09/2026

We are seeking a reliable and vigilant Relief Security Operations Centre Operator to support a busy security control room in Cambridge, CB21. This role is responsible for monitoring site security systems, responding to incidents and maintaining a calm, professional approach in a fast-paced environment. You will work as part of a wider security team, providing operational cover across a range of shifts, including days, nights, weekends and public holidays. Key responsibilities will include monitoring CCTV, alarms, access control systems and other security technology; receiving and assessing incident reports; contacting relevant emergency services or on-site personnel when required; and accurately recording...

Global Security – Red Team Operator - X-Force Red

Added 08/09/2026

We are seeking an experienced Red Team Operator to help assess and strengthen the security of complex environments, applications, infrastructure and connected technologies. In this role, you will plan and execute authorised adversary simulation engagements that replicate realistic cyber threats, identify weaknesses across people, processes and technology, and provide practical recommendations to improve resilience. You will work with clients and internal stakeholders to define objectives, rules of engagement, testing boundaries and success criteria before each engagement. Your responsibilities will include conducting network, web application, cloud, wireless, physical security and social engineering assessments, using both established techniques and creative approaches to...

Manager, Senior Red Team Operator, Global

Added 17/09/2026

We are seeking a Manager, Senior Red Team Operator, Global to lead sophisticated offensive security activities across a complex, international environment. This role will manage and participate in authorised red team operations designed to identify weaknesses in people, processes, applications, infrastructure, cloud services and physical security controls. You will develop realistic, intelligence-led attack scenarios, define objectives and rules of engagement, coordinate activity across regions, and ensure operations are conducted safely, discreetly and in accordance with legal, regulatory and ethical requirements. You will lead engagements from initial planning through execution, evidence collection, impact assessment and remediation validation. Responsibilities include translating threat...

Manager, Senior Red Team Operator, Global

Added 19/08/2026

We are seeking a highly skilled Manager, Senior Red Team Operator, Global to lead our dynamic red team operations. In this role, you will be responsible for developing and executing advanced attack simulations to assess the security posture of our organization. You will manage a team of red team operators, guiding them in crafting realistic threat scenarios while promoting a culture of continuous improvement. Your expertise will be essential in identifying vulnerabilities, recommending mitigations, and working closely with blue team counterparts to enhance our overall cybersecurity defenses. The ideal candidate will possess a deep understanding of various attack vectors, including...

Senior Red Team Operator

Added 19/08/2026

We are seeking a highly skilled Senior Red Team Operator to join our dynamic cybersecurity team. In this role, you will be responsible for simulating advanced cyberattacks to identify vulnerabilities within our systems and infrastructure. You will lead comprehensive penetration testing engagements, utilizing a variety of tools and techniques to assess security posture. Your expertise will guide the development of attack scenarios that mimic real-world threats, ensuring that our defense mechanisms are robust and effective. You will collaborate closely with cross-functional teams to provide actionable insights and recommendations for strengthening security measures. The ideal candidate will possess extensive experience in...

SOC Operator

Added 04/08/2026

We are seeking a dedicated SOC Operator to join our dynamic team in monitoring and responding to security incidents. The ideal candidate will be responsible for real-time analysis and response to security alerts, ensuring the integrity and availability of our systems. Key duties include monitoring security information and event management (SIEM) tools, identifying potential threats, and escalating incidents as necessary. You will also conduct preliminary investigations, maintain logs of incidents, and assist in the development of effective incident response procedures. The successful candidate will possess a strong understanding of network protocols, security technologies, and attack methodologies. Familiarity with incident response...

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...

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...