Senior Application Security Engineer – DevSecOps & Cloud Security

Overview

As a Senior Application Security Engineer, you help embed security across the software delivery lifecycle for a health research charity. You will partner with engineering and cloud teams to design, deploy, and maintain secure applications, platforms, and deployment processes. The role focuses on secure design, CI/CD security, cloud-native tech, and security automation, with hands-on responsibilities. You’ll contribute to threat modelling and compliance while enabling developers to build safer software at scale.

Pay / Benefits

• hybrid work arrangement
• excellent benefits package
• central London office location
• salary 70,000 – 80,000 per annum

Responsibilities

• Collaborate with engineering and architecture teams to promote secure development from the outset
• Implement and maintain application security testing capabilities to help developers identify and fix risks
• Integrate security controls into CI/CD pipelines
• Strengthen security of GitHub Actions and similar CI/CD platforms
• Advise on secure API design and protection of externally facing systems
• Support Azure cloud infrastructure security, including AKS
• Safeguard cloud-hosted data platforms and related tech
• Develop and maintain security-as-code and policy-as-code tooling
• Automate security processes via infrastructure-as-code and scripting
• Produce and maintain technical and service documentation
• Assist development teams with adopting security tooling and best practices
• Contribute to cyber security initiatives, including threat modelling and compliance

Key requirements

• Hands-on experience embedding application security into the SDLC
• Experience securing APIs, internet-facing services, Kubernetes/AKS, and containerised environments
• Familiar with security testing tools (SAST, DAST, IAST, SCA)
• Knowledge of security automation, security-/policy-as-code, and secure engineering practices
• Proficiency with GitHub and GitHub Actions
• Strong Terraform and Python skills
• Understanding of Azure security controls and cloud governance
• Experience with threat modelling in software contexts
• Knowledge of ISO 27001 and its relevance to secure engineering
• Familiar with Agile and DevSecOps methodologies
• Eligible to work in the UK

• collaboration with cross-functional teams
• ability to communicate security concepts to developers
• proactive problem-solving
• SAST
• DAST
• IAST

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