Lead Security Engineer (Data)

Added 13/10/2026

We are seeking a Lead Security Engineer (Data) to define and deliver security capabilities that protect sensitive information across its full lifecycle. This role will lead the design, implementation, and continuous improvement of data security controls across cloud, on-premises, and hybrid environments. You will work closely with engineering, architecture, governance, privacy, and risk teams to ensure that data is appropriately classified, protected, monitored, and managed in line with business and regulatory requirements. Key responsibilities include developing and maintaining data security standards, patterns, and reference architectures; advising on encryption, tokenisation, key management, data loss prevention, identity and access management, and secrets...

Security Engineer

Added 13/10/2026

We are seeking a skilled Security Engineer to help protect critical systems, applications, networks, and data across a complex technology environment. In this role, you will design, implement, and maintain effective security controls while supporting the continuous improvement of cyber security capabilities. You will work closely with infrastructure, software development, operations, and risk teams to identify vulnerabilities, reduce exposure, and embed secure practices throughout the technology lifecycle. Your responsibilities will include monitoring and investigating security alerts, supporting incident response activities, conducting vulnerability assessments, and coordinating remediation efforts. You will contribute to the development of security standards, policies, procedures, and technical...

Lead Security Engineer

Added 06/10/2026

We are seeking a Lead Security Engineer to provide technical leadership across the design, implementation and continuous improvement of enterprise security capabilities. In this role, you will help define security architecture, protect critical systems and data, and ensure that security controls support business objectives without compromising usability or resilience. You will work closely with infrastructure, software engineering, cloud, operations and risk teams to identify threats, reduce exposure and promote secure-by-design practices. Your responsibilities will include leading the development and maintenance of security standards, patterns and engineering guidelines; assessing systems and applications for vulnerabilities; and recommending practical remediation plans. You will...

Principal Product Security Engineer

Added 23/09/2026

We are seeking a Principal Product Security Engineer to provide technical leadership across the secure design, development, and operation of products and services. In this role, you will shape product security strategy, influence engineering roadmaps, and embed security practices throughout the software development lifecycle. You will work closely with product managers, software engineers, architects, and infrastructure teams to identify risks early and deliver practical, scalable solutions that protect customers and business operations. Your responsibilities will include leading threat modelling and security architecture reviews, defining security requirements, and advising teams on secure design patterns, authentication, authorisation, cryptography, data protection, and cloud...

Staff Security Engineer

Added 20/08/2026

We are seeking a highly skilled Staff Security Engineer to join our dynamic team. In this role, you will be responsible for designing, implementing, and maintaining security systems and protocols to protect our infrastructure and sensitive data. You will conduct thorough risk assessments, identify vulnerabilities, and develop strategies to mitigate potential threats. Collaborating with cross-functional teams, you will ensure that security measures are integrated into the software development lifecycle and operational processes. Your expertise will be crucial in responding to security incidents and developing incident response plans to minimize impact. The ideal candidate will possess a deep understanding of security...

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,...

Senior Content Security Engineer, GME Security

Added 19/08/2026

We are seeking a highly skilled Senior Content Security Engineer to join our dynamic team. In this role, you will be responsible for developing and implementing comprehensive content security strategies that safeguard our digital assets. You will work closely with cross-functional teams to identify vulnerabilities, assess risks, and create innovative solutions to protect sensitive information. Your expertise will be crucial in establishing best practices for content security, ensuring compliance with industry standards, and driving the adoption of secure coding practices across all development projects. The ideal candidate will have extensive experience with content management systems, web application security, and data...