Microsoft Security Platform Security Engineer

Added 23/09/2026

We are seeking a Security Platform Security Engineer to design, implement and maintain secure, resilient identity, endpoint and cloud security capabilities across a complex technology environment. You will work closely with infrastructure, engineering, operations and governance teams to protect systems, applications and data while enabling secure business delivery. The role requires a practical understanding of modern security platforms, strong problem-solving skills and the ability to translate security requirements into reliable technical solutions. Your responsibilities will include deploying and administering security controls across cloud and on-premises environments; managing identity and access controls, privileged access, endpoint protection, vulnerability management and security monitoring;...

Security Engineer

Added 08/09/2026

We are seeking a Security Engineer to help protect critical systems, applications, networks and data against evolving cyber threats. In this role, you will design, implement and maintain effective security controls across cloud and on-premises environments, while working closely with infrastructure, software development, operations and compliance teams. You will contribute to a strong security culture by identifying risks, recommending practical improvements and supporting the secure delivery of new technology and services. Your responsibilities will include monitoring security events, investigating alerts and incidents, conducting vulnerability assessments, and supporting threat detection and response activities. You will help manage security tools such as...

Application Security Engineer, Amazon Application Security

Added 17/09/2026

We are seeking an Application Security Engineer to help build and strengthen secure software across a diverse technology environment. In this role, you will partner with software engineers, architects, product managers, and infrastructure teams to identify security risks early and integrate effective controls throughout the development lifecycle. You will contribute to security reviews, threat modelling, architecture assessments, secure design guidance, and vulnerability management for applications and services. Your responsibilities will include conducting code and design reviews, developing security requirements, supporting penetration testing and security assessments, and helping teams remediate vulnerabilities through practical, scalable solutions. You will create and maintain application...

Security Design Engineer (Application Security)

Added 17/09/2026

We are seeking a Security Design Engineer (Application Security) to help embed security throughout the software development lifecycle. In this role, you will work closely with software engineers, architects, product teams and delivery stakeholders to design secure, resilient applications and services. You will translate security principles into practical engineering guidance, identify risks early, and support teams in delivering solutions that meet business and regulatory requirements. Your responsibilities will include conducting threat modelling, security architecture reviews and design assessments for new and existing applications. You will define security requirements, review technical specifications, assess application and API controls, and recommend appropriate mitigations...

Security engineer, application security (UK)

Added 07/09/2026

We are seeking a Security Engineer, Application Security, to help strengthen the security of modern applications and services across the software development lifecycle. You will work closely with software engineers, architects, product teams and technology stakeholders to identify security risks, improve engineering practices and support the delivery of secure, resilient products. This role is suited to someone who enjoys solving complex technical problems, influencing teams and making security practical and scalable. Your responsibilities will include conducting threat modelling, reviewing application designs and source code, and identifying vulnerabilities across web applications, APIs, cloud services and supporting infrastructure. You will help define...

Application Security Engineer, Audio, Twitch & Games (ATG) Security

Added 18/08/2026

We are seeking a skilled Application Security Engineer to join a dynamic team focused on enhancing the security of audio, Twitch, and gaming applications. In this role, you will be responsible for identifying, assessing, and mitigating security vulnerabilities across various software products. You will collaborate closely with development teams to integrate security best practices into the software development lifecycle, ensuring robust security measures are in place from the ground up. Your expertise will be vital in conducting threat modeling, code reviews, and security assessments, as well as providing guidance on secure coding practices. The ideal candidate will have a deep...

Senior Application Security Engineer

Added 16/10/2026

We are seeking a Senior Application Security Engineer to strengthen the security of modern software applications and services throughout their development lifecycle. This is an opportunity to work closely with engineering, platform, architecture and product teams, helping to embed secure-by-design principles across a complex technology environment. You will provide technical leadership, practical guidance and constructive challenge, while supporting a culture in which security is considered a shared responsibility. Your responsibilities will include defining and improving application security standards, reviewing designs and code, conducting threat modelling, and identifying vulnerabilities across web applications, APIs, cloud services and supporting infrastructure. You will help...

Senior Application Security Engineer

Added 16/10/2026

We are seeking a Senior Application Security Engineer to help strengthen the security of applications and services across the software development lifecycle. You will work closely with engineering, architecture, platform and product teams to embed secure-by-design principles, identify vulnerabilities early and support the delivery of resilient, high-quality software. This is a hands-on role requiring strong technical judgement, effective communication and the ability to influence teams in a collaborative environment. Your responsibilities will include designing and maintaining application security standards, threat modelling new and existing systems, and conducting security reviews of architecture, code and application interfaces. You will assess findings from...

Application Security Engineer

Added 16/10/2026

We are seeking an Application Security Engineer to help protect the software development lifecycle and strengthen security across a diverse range of applications, services and platforms. You will work closely with software engineers, architects, DevOps specialists and product teams to identify, assess and remediate security risks from design through to deployment. The role will involve embedding secure development practices, promoting security awareness and providing practical guidance that enables teams to deliver resilient, high-quality solutions. Your responsibilities will include conducting threat modelling, secure code reviews and application security assessments, as well as supporting penetration testing and vulnerability management activities. You will...

Lead Application Security Engineer

Added 16/10/2026

We are seeking a Lead Application Security Engineer to drive the design, implementation and continuous improvement of secure software development practices across a diverse technology estate. This is a hands-on leadership role for an experienced security professional who can influence engineering teams, shape security strategy and embed effective controls throughout the software development lifecycle. You will work closely with developers, architects, platform teams and risk stakeholders to identify vulnerabilities early and support the delivery of resilient, secure applications. Your responsibilities will include defining and maintaining application security standards, patterns and guidance; leading threat modelling, secure design reviews and architecture assessments;...

Application Security Engineer

Added 14/10/2026

We are seeking an experienced Application Security Engineer to help build secure, resilient software throughout the development lifecycle. In this role, you will work closely with software engineers, architects, DevOps specialists and product teams to identify security risks early, strengthen application controls and promote secure engineering practices. You will contribute to security initiatives across web, mobile, API and cloud-based applications, helping teams deliver reliable products without compromising usability or delivery speed. Your responsibilities will include conducting secure code reviews, threat modelling, architecture assessments and application security testing. You will design and maintain security tooling integrated into CI/CD pipelines, analyse findings...

Lead Application Security Engineer

Added 13/10/2026

We are seeking a Lead Application Security Engineer to provide technical leadership across the secure software development lifecycle. In this role, you will help shape application security strategy, establish practical security standards, and work closely with engineering, architecture, infrastructure, and product teams to embed security into the design, development, testing, and release of software. You will lead initiatives that reduce risk while enabling teams to deliver reliable, scalable, and secure applications. Your responsibilities will include developing and maintaining application security policies, patterns, and guidance; leading threat modelling, architecture reviews, and security assessments; and supporting the identification, prioritisation, and remediation of...

Senior Application Security Engineer

Added 09/10/2026

We are seeking a Senior Application Security Engineer to help strengthen the security of modern software applications throughout their development lifecycle. In this role, you will work closely with engineering, architecture, DevOps, and product teams to embed secure-by-design principles into application development, deployment, and operations. You will contribute to security strategy, establish practical standards, and support teams in delivering resilient, secure services without compromising delivery speed or user experience. Your responsibilities will include conducting application security assessments, threat modelling, secure code reviews, and vulnerability analysis across web, mobile, API, cloud, and distributed systems. You will design and improve security controls...

Application Security Engineer

Added 07/10/2026

We are seeking an Application Security Engineer to help strengthen the security of modern software applications throughout their development lifecycle. In this role, you will work closely with software engineers, architects, DevOps specialists and product teams to identify security risks, improve secure development practices and support the delivery of resilient, high-quality applications. You will contribute to security standards, threat modelling, architecture reviews and the integration of security controls into development and deployment processes. Your responsibilities will include conducting secure code reviews, analysing application vulnerabilities and supporting penetration testing activities. You will help manage and improve software composition analysis, static and...

Application Security Engineer

Added 07/10/2026

We are seeking an Application Security Engineer to help strengthen the security of applications and services throughout their development lifecycle. Working closely with software engineers, architects, DevOps specialists and product teams, you will identify security risks early, provide practical remediation guidance and promote secure-by-design principles across a varied technology environment. This is an opportunity to influence engineering practices, improve security maturity and support the delivery of resilient digital products. Your responsibilities will include conducting application security reviews, threat modelling, vulnerability assessments and penetration testing, as well as analysing findings from automated security tools. You will help integrate security checks into...