Senior Security Engineer

Added 14/09/2026

We are seeking a Senior Security Engineer to strengthen the organisation’s ability to prevent, detect and respond to cyber threats across a complex technology environment. In this role, you will design, implement and continuously improve security controls across cloud platforms, networks, endpoints, applications and identity services. You will work closely with infrastructure, software engineering, operations and risk teams to embed security into the design and delivery of new services. Your responsibilities will include leading security assessments, threat modelling, vulnerability management and incident response activities; investigating alerts and coordinating remediation of identified weaknesses; developing detection and response use cases; and maintaining...

Senior Security Engineer

Added 14/09/2026

We are seeking a Senior Security Engineer to strengthen the security of complex technology environments and help protect critical systems, applications, and data. In this role, you will design, implement, and maintain effective security controls across cloud, infrastructure, networks, and software platforms. You will work closely with engineering, operations, and product teams to identify risks, improve security architecture, and embed secure practices throughout the development and delivery lifecycle. Your responsibilities will include leading security assessments, threat modelling, vulnerability management, and technical risk reviews. You will investigate and respond to security incidents, support forensic analysis, and help develop practical detection and...

Lead Security Engineer

Added 14/09/2026

We are seeking a Lead Security Engineer to provide technical leadership across the design, implementation, and continuous improvement of security capabilities. In this role, you will help shape security strategy, strengthen engineering standards, and work closely with infrastructure, software development, cloud, and operations teams to embed security throughout the technology lifecycle. You will act as a trusted advisor, translating complex risks into practical solutions and supporting a culture of secure-by-design delivery. Your responsibilities will include leading the assessment and remediation of security vulnerabilities, developing and maintaining security architecture and engineering standards, and improving controls across cloud, networks, endpoints, applications, and...

Lead Security Engineer

Added 14/09/2026

We are seeking an experienced Lead Security Engineer to provide technical leadership across the design, implementation, and continuous improvement of security capabilities. In this role, you will help define security architecture, strengthen preventative and detective controls, and guide engineering teams in delivering secure, resilient services. You will work closely with technology, product, infrastructure, and risk stakeholders to identify threats, assess vulnerabilities, and ensure security is embedded throughout the development and operational lifecycle. Your responsibilities will include leading security engineering initiatives, developing and maintaining security standards, and reviewing architectural and technical designs. You will oversee vulnerability management, security monitoring, identity and...

Lead Security Engineer

Added 14/09/2026

We are seeking an experienced Lead Security Engineer to provide technical leadership across the design, implementation, and continuous improvement of security capabilities. You will help protect critical systems, applications, infrastructure, and data by developing practical security solutions aligned with business and technology objectives. The role will involve setting engineering standards, guiding architectural decisions, and supporting the delivery of secure, resilient services across cloud and on-premises environments. Your responsibilities will include leading security engineering projects, conducting threat modelling and risk assessments, and designing controls for identity and access management, network security, endpoint protection, vulnerability management, application security, and security monitoring. You...

Lead Security Engineer

Added 14/09/2026

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 work closely with infrastructure, software engineering, cloud, operations and risk teams to identify security risks, define effective controls and deliver practical solutions that protect systems, applications and data. You will help shape security architecture, establish engineering standards and promote secure-by-design principles throughout the technology lifecycle. Your responsibilities will include leading the development and maintenance of security tooling, monitoring and automation; improving vulnerability management, identity and access controls, endpoint protection, network security and cloud...

Senior Security Operations Engineer ( SOC Engineer L3)

Added 14/08/2026

We are seeking a seasoned Senior Security Operations Engineer to join our dynamic team, focusing on enhancing the security posture of our organization. In this pivotal role, you will be responsible for monitoring security incidents, conducting thorough investigations, and responding to threats in a timely manner. Your expertise will guide the development and implementation of robust security protocols and procedures. You'll collaborate closely with cross-functional teams to identify vulnerabilities and recommend remediation strategies, ensuring the integrity and confidentiality of sensitive data. As a key member of the Security Operations Center (SOC), you will lead incident response efforts, analyze security alerts,...

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

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...

Senior Content Security Engineer, GME Security

Added 18/08/2026

We are seeking a highly skilled Senior Content Security Engineer to join our dynamic security team. In this role, you will be responsible for developing, implementing, and maintaining robust content security strategies to safeguard our digital assets. You will work collaboratively with cross-functional teams to assess security risks, conduct vulnerability assessments, and design solutions that ensure the integrity and confidentiality of our content. Your expertise will be pivotal in enhancing our security policies and practices, as well as in providing guidance on secure coding and application development standards. The ideal candidate will possess a strong understanding of content security frameworks...