Senior Site Reliability Engineer / SecOps Engineer

Added 01/09/2026

We are seeking a Senior Site Reliability Engineer / SecOps Engineer to strengthen the reliability, security, and operational resilience of critical digital services. This role combines site reliability engineering, cloud infrastructure, automation, and security operations, with responsibility for ensuring systems remain available, scalable, observable, and protected. You will work closely with engineering, product, and infrastructure teams to identify operational risks, improve platform performance, and embed secure practices throughout the software development lifecycle. Key responsibilities include designing and maintaining resilient cloud infrastructure; developing infrastructure as code and automated deployment pipelines; monitoring system health, performance, and availability; and leading incident response, root-cause...

Senior Security Engineer, AWS Security Verification & Validation Team

Added 14/10/2026

We are seeking a Senior Security Engineer to join a specialist Security Verification and Validation team responsible for assessing the resilience, security, and compliance of complex cloud-based services. In this role, you will help identify security weaknesses before they can affect customers, strengthen defensive controls, and promote secure engineering practices across a large-scale technology environment. You will work closely with software engineers, architects, incident responders, and risk specialists to evaluate systems throughout their development and operational lifecycles. Your responsibilities will include designing and executing security assessments, threat modelling exercises, penetration tests, architecture reviews, and control validation activities. You will investigate...

Senior Security Consultant (Platform Security Engineer) - Permanent

Added 07/10/2026

We are seeking a Senior Security Consultant (Platform Security Engineer) to strengthen the security, resilience and compliance of critical technology platforms. This permanent role is suited to an experienced security professional who can combine hands-on engineering expertise with strategic consulting skills. You will work with technology, product and operational teams to identify security risks, design effective controls and embed secure practices throughout the platform lifecycle. Your responsibilities will include assessing platform architectures, cloud environments, infrastructure and deployment pipelines; defining security requirements; and advising on identity and access management, network security, encryption, secrets management, vulnerability management and secure configuration. You will...

Senior Security Engineer - Enterprise Security

Added 29/09/2026

We are seeking a Senior Security Engineer to strengthen enterprise security capabilities across a complex, technology-driven environment. This role will be responsible for designing, implementing and continuously improving security controls that protect corporate systems, cloud platforms, networks, applications and sensitive data. You will work closely with infrastructure, software engineering, architecture, compliance and risk teams to ensure security is embedded throughout the technology lifecycle. Key responsibilities include developing and maintaining security architecture, standards and engineering patterns; assessing technical risks and recommending practical mitigations; supporting identity and access management, endpoint protection, network security, vulnerability management and cloud security initiatives; and contributing to...

Senior Security Engineer, AWS Security

Added 07/09/2026

We are seeking a Senior Security Engineer to help design, implement, and continuously improve security capabilities across cloud infrastructure and services. In this role, you will work with engineering, operations, compliance, and product teams to protect highly available systems, strengthen security architecture, and manage risk across the organisation. You will provide technical leadership on complex security initiatives and help establish scalable, automated controls that support secure delivery at pace. Key responsibilities include designing and reviewing cloud security architectures; developing identity and access management strategies; implementing controls for network, data, application, and infrastructure security; and improving monitoring, detection, and response capabilities....

Senior Software Security Engineer (£98k-£115k + Equity) at Harmonic Security Inc.

Added 03/09/2026

We are looking for a Senior Software Security Engineer to help build secure, resilient products in a fast-moving technology environment. This is a hands-on role for an experienced engineer who can combine strong software development skills with a deep understanding of application and cloud security. You will work closely with engineering, product and infrastructure teams to embed security throughout the software development lifecycle, from design and implementation through to deployment and ongoing improvement. The position offers a salary of £98,000–£115,000 plus equity. Your responsibilities will include designing and implementing secure, scalable services; reviewing code and architecture for vulnerabilities; developing security...

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...

Senior Staff Security Engineer, AI Security

Added 25/08/2026

We are seeking a Senior Staff Security Engineer, AI Security, to help define and advance security strategy for artificial intelligence and machine learning systems. This role will lead the design of secure-by-default architectures, protections, and engineering practices across the AI lifecycle, from data ingestion and model development through deployment, monitoring, and retirement. You will work closely with research, product, infrastructure, privacy, legal, and incident response teams to identify emerging threats and translate them into practical controls that enable responsible innovation. You will conduct threat modelling and security reviews for AI platforms, model-serving infrastructure, agents, APIs, and supporting services; develop mitigations...

Senior Staff Security Engineer, AI Security

Added 25/08/2026

We are seeking a Senior Staff Security Engineer, AI Security to lead the design and implementation of security strategies for artificial intelligence and machine learning systems. This role will help define how AI capabilities are developed, deployed, monitored, and governed securely across a complex technology environment. You will work closely with engineering, research, infrastructure, privacy, legal, and product teams to identify emerging threats, establish practical controls, and ensure security is embedded throughout the AI lifecycle. Responsibilities include developing threat models for AI systems, applications, data pipelines, model supply chains, and supporting infrastructure; assessing risks such as prompt injection, data poisoning,...

Manager, Senior Manager, Cyber Security Operations Engineer

Added 21/10/2026

We are seeking an experienced Cyber Security Operations professional to lead and strengthen day-to-day security monitoring, incident response and operational resilience. This role will suit a technically capable manager or senior engineer who can combine hands-on expertise with effective leadership, stakeholder engagement and continuous improvement. You will oversee the operation of security monitoring and response capabilities, ensuring that alerts, incidents and vulnerabilities are identified, investigated and resolved within agreed service levels. Responsibilities will include managing the security operations function, coordinating incident response activities, conducting root-cause analysis and maintaining clear, accurate documentation. You will also help develop playbooks, operational procedures, reporting...

Senior AI Platform Engineer - Security

Added 21/10/2026

We are seeking a Senior AI Platform Engineer specialising in security to design, build and operate robust platforms that support the safe development and deployment of artificial intelligence solutions. You will work at the intersection of platform engineering, cloud infrastructure and cyber security, helping teams deliver innovative services while maintaining strong controls around data, access and model usage. You will lead the design and continuous improvement of secure, scalable AI infrastructure across cloud and on-premises environments. Responsibilities will include developing automated deployment pipelines, embedding security controls throughout the software development lifecycle, managing identity and access, and establishing reliable monitoring, logging...

Senior Cloud Security Engineer

Added 21/10/2026

We are seeking a Senior Cloud Security Engineer to strengthen the security, resilience and governance of cloud-based platforms. This is an opportunity to take a leading role in designing secure cloud environments, improving engineering standards and supporting the delivery of technology services that are robust, scalable and compliant. You will define and implement cloud security controls across infrastructure, applications and data, with a focus on identity and access management, network security, encryption, vulnerability management, logging and monitoring. Working closely with infrastructure, software engineering, DevOps and risk teams, you will embed security throughout the development lifecycle and help ensure that cloud...

Senior Consultant or Manager, Cyber Security Operations Engineer

Added 21/10/2026

We are seeking a Senior Consultant or Manager, Cyber Security Operations Engineer to strengthen and develop security operations capabilities across a complex technology environment. This is an opportunity to provide technical leadership, improve operational resilience and help shape the processes, platforms and standards used to detect, investigate and respond to cyber threats. You will lead or contribute to the design, implementation and continual improvement of security operations services, including security monitoring, incident response, threat detection, vulnerability management and security engineering. Working closely with technology, risk and business stakeholders, you will translate security requirements into practical solutions and ensure that controls...

Senior Consultant or Manager, Cyber Security Operations Engineer

Added 21/10/2026

We are seeking an experienced Senior Consultant or Manager, Cyber Security Operations Engineer to help design, deliver and improve security operations capabilities across a range of complex environments. This is an opportunity to provide technical leadership, work closely with senior stakeholders and support clients in managing and reducing cyber risk. You will be responsible for developing and implementing security monitoring, detection and response solutions, ensuring that controls are effective, proportionate and aligned with business requirements. Your duties will include investigating security alerts and incidents, analysing logs and threat intelligence, tuning detection rules, supporting vulnerability management and contributing to incident response...

Manager, Senior Manager, Cyber Security Operations Engineer

Added 21/10/2026

We are seeking an experienced cyber security operations professional to lead and strengthen the organisation’s capability to detect, investigate and respond to cyber threats. This role is suited to a senior manager or highly experienced cyber security operations engineer who can combine technical expertise with effective leadership, stakeholder engagement and continuous improvement. You will oversee day-to-day security operations, ensuring that monitoring, alert triage, incident response and threat management activities are delivered effectively. Working closely with internal technology teams and external partners, you will coordinate the response to security incidents, assess business impact, support remediation and ensure that lessons learned are...