Technical Lead / CTO (+ Equity) at London startup building national security software

Added 21/05/2026

We are seeking a dynamic Technical Lead / CTO to join a pioneering London-based startup focused on developing cutting-edge national security software. In this role, you will spearhead the technical vision and strategy while overseeing the development and deployment of innovative software solutions. You will lead a talented engineering team, providing mentorship and guidance to ensure the successful execution of projects from conception to launch. You will be responsible for defining the technical architecture, implementing best practices, and fostering an agile development environment that encourages creativity and collaboration. As a key member of the leadership team, you will engage with...

Principal, Cloud Security Architect (Director Level), Global Cyber Security, RBC Brewin Dolphin (London)

Added 01/06/2026

We are seeking a highly skilled Principal Cloud Security Architect at the Director level to lead our global cyber security initiatives. In this pivotal role, you will be responsible for developing and implementing comprehensive cloud security strategies that align with our organizational goals. You will oversee the design and architecture of secure cloud environments, ensuring robust security measures are integrated throughout all phases of the cloud lifecycle. Collaborating with cross-functional teams, you will provide expert guidance on best practices for securing cloud-based applications and services, while maintaining compliance with industry standards and regulations. Your duties will include conducting risk assessments,...

Principal, Cloud Security Architect (Director Level), Global Cyber Security, RBC Brewin Dolphin (London)

Added 01/06/2026

We are seeking a highly skilled Principal, Cloud Security Architect at the Director level to lead our global cyber security initiatives. In this role, you will be responsible for designing, implementing, and managing cloud security strategies that protect sensitive data and ensure compliance with regulatory requirements. You will collaborate with cross-functional teams to develop security architectures that mitigate risks and enhance the overall security posture of cloud environments. Your expertise will guide the integration of security controls within cloud services, ensuring that best practices are applied throughout the development lifecycle. As a leader in the organization, you will mentor and...

Senior Cloud Security Engineer (London, Bracknell or Bristol)

Added 06/07/2026

We are seeking a highly skilled Senior Cloud Security Engineer to join our dynamic team in London, Bracknell, or Bristol. In this role, you will be responsible for designing, implementing, and maintaining robust security architectures for cloud environments. You will work closely with cross-functional teams to identify security vulnerabilities and develop strategies to mitigate risks, ensuring compliance with industry standards and regulations. Your expertise will be crucial in guiding the development of secure cloud-based applications and services, as well as in conducting security assessments and audits. The ideal candidate will possess a deep understanding of cloud security frameworks and best...

Senior Threat Hunter (Specialist I - Information Security) - London

Added 01/07/2026

We are seeking a Senior Threat Hunter to join our dynamic Information Security team in London. The ideal candidate will be responsible for proactively identifying and mitigating threats to our systems and data. You will leverage advanced threat detection techniques and tools to investigate, analyze, and respond to potential security incidents. Your expertise will guide the development of threat models, allowing the team to stay ahead of emerging risks and vulnerabilities. You will collaborate closely with incident response teams and other stakeholders to ensure effective communication and coordinated efforts in threat remediation. Key responsibilities include conducting thorough threat analyses, utilizing...

Product Security Engineer (we have office locations in Cambridge, Leeds & London)

Added 29/06/2026

We are seeking a skilled Product Security Engineer to join our dynamic team in one of our office locations: Cambridge, Leeds, or London. In this role, you will be responsible for ensuring the security of our products throughout their lifecycle. You will work closely with cross-functional teams, including product development, quality assurance, and operations, to identify and mitigate potential security vulnerabilities. Your expertise will be crucial in conducting threat modeling, security assessments, and code reviews to enhance the overall security posture of our offerings. The ideal candidate will have a strong background in software security practices, with experience in secure...

Cyber Security Engineer (we have office locations in Cambridge, Leeds & London)

Added 29/06/2026

We are seeking a skilled Cyber Security Engineer to join our dynamic team across our office locations in Cambridge, Leeds, and London. In this role, you will be responsible for implementing and maintaining robust security protocols to protect sensitive information and systems. Your primary duties will include conducting risk assessments, identifying vulnerabilities, and deploying security measures to mitigate potential threats. You will collaborate closely with cross-functional teams to ensure that security practices are integrated into all aspects of our operations. To excel in this position, you should possess a strong understanding of network security, encryption technologies, and intrusion detection systems....

Senior Threat Hunter (Specialist I - Information Security) - London

Added 26/06/2026

We are seeking a Senior Threat Hunter to join our dynamic Information Security team in London. In this role, you will proactively identify, investigate, and respond to advanced threats targeting our organization. You will leverage your expertise in threat intelligence, incident response, and security analytics to enhance our threat detection capabilities. Your primary responsibilities will include conducting in-depth analysis of security incidents, developing and implementing threat detection strategies, and collaborating with cross-functional teams to mitigate risks and enhance overall cybersecurity posture. The ideal candidate will possess a strong understanding of cyber threat landscapes, including TTPs (Tactics, Techniques, and Procedures) used...

Zero Trust Security Architect - London

Added 22/06/2026

We are seeking a highly skilled Zero Trust Security Architect to join our dynamic team in London. The ideal candidate will have extensive experience in designing and implementing Zero Trust security frameworks. You will be responsible for assessing and mitigating security risks across our organization, ensuring that our systems and data are protected against evolving threats. This role requires a deep understanding of network architecture, identity management, and access controls, as well as proficiency in security best practices and compliance standards. Your primary responsibilities will include developing and maintaining Zero Trust security policies, conducting security assessments, and recommending appropriate technologies...

Senior Threat Hunter - Digital Crime Operations – Advanced Threat Operations – Global Security (London)

Added 10/06/2026

Join a dynamic team as a Senior Threat Hunter specializing in Digital Crime Operations within Advanced Threat Operations. In this critical role, you will be responsible for proactively identifying and mitigating complex threats targeting the organization. You will leverage advanced threat intelligence and investigative techniques to analyze patterns, detect anomalies, and respond to emerging cyber threats. Collaborating closely with cross-functional teams, you will lead investigations into security incidents, providing expert insights and recommendations to enhance security posture and incident response strategies. The ideal candidate will possess extensive experience in cybersecurity, specifically in threat hunting, incident response, and digital forensics. You...

London Residential Security Team - CP

Added 21/05/2026

We are seeking a dedicated and professional individual to join our London Residential Security Team as a Close Protection Officer. The successful candidate will be responsible for ensuring the safety and security of clients in residential environments, providing a high level of protection while maintaining a discreet and unobtrusive presence. Key duties will include conducting thorough risk assessments, implementing security measures, and responding promptly to any incidents or emergencies that may arise. You will work closely with clients to understand their specific security needs, ensuring that all protocols are tailored to their requirements. The ideal candidate will have extensive experience...

Senior Cloud Security Engineer (London or Bristol)

Added 18/05/2026

We are seeking a highly skilled Senior Cloud Security Engineer to join our dynamic team in either London or Bristol. In this role, you will be responsible for designing, implementing, and maintaining robust cloud security strategies to protect our cloud infrastructure and applications. You will collaborate closely with cross-functional teams to identify security requirements and develop solutions that address potential risks. Your expertise will be crucial in conducting security assessments, monitoring security incidents, and ensuring compliance with industry standards and regulations. The ideal candidate will possess a deep understanding of cloud technologies, including AWS, Azure, or Google Cloud Platform, and...

Application Security Engineer (London or Bristol)

Added 18/05/2026

We are seeking a skilled Application Security Engineer to join our dynamic team in either London or Bristol. In this role, you will be responsible for assessing and enhancing the security posture of our applications throughout the software development lifecycle. You will work closely with development teams to identify vulnerabilities, conduct threat modeling, and implement security best practices. Your expertise will help us ensure that our applications are resilient against potential threats and comply with industry standards and regulations. Your key responsibilities will include performing code reviews, static and dynamic analysis, and vulnerability assessments. You will also design and implement...

Security Architect (we have office locations in Cambridge, Leeds and London)

Added 15/05/2026

We are seeking a skilled Security Architect to join our dynamic team, with office locations in Cambridge, Leeds, and London. In this pivotal role, you will be responsible for developing and implementing robust security architectures that protect our information systems and data assets. You will collaborate with various teams to identify potential security vulnerabilities and ensure compliance with industry regulations and standards. Your expertise will guide the design and deployment of security solutions that align with our organizational goals and risk management strategies. The ideal candidate will have a strong background in security frameworks and methodologies, as well as hands-on...

Sr. Backend Engineer, Cloud - Threat Detection / Incident Response (Hybrid, London)

Added 01/07/2026

We are seeking a skilled Sr. Backend Engineer with expertise in cloud-based threat detection and incident response to join our dynamic team. In this role, you will be responsible for designing, developing, and maintaining robust backend systems that support our security operations. You will work closely with cross-functional teams to implement and optimize cloud solutions that effectively identify and mitigate security threats. Your experience with microservices architecture, APIs, and cloud platforms will be crucial in enhancing our incident response capabilities. The ideal candidate will have a strong background in programming languages such as Python, Java, or Go, and familiarity with...