Senior AWS Security Engineer - Trading Systems

London / WFH to £160k. Do you have expertise with secure coding practices and application security? You could be progressing your career in a senior, hands-on role at a global systematic trading firm. As a Senior AWS Security Engineer you'll drive automated security processes, influence architecture and lead strategic security projects. Collaborating with IT, cloud and engineering teams, you'll implement security solutions for low-latency systems and multi-cloud platforms, including AWS, Azure, hybrid infrastructures across Python, C++, and Kotlin / Java environments, ensuring robust protection that supports high-speed, data-driven operations. You will conduct threat modelling, vulnerability assessments and security code reviews across different platforms, ensuring security is embedded at every stage of the development lifecycle and provide mentorship, guidance and training on security best practices and secure development processes to engineering teams working in mixed cloud and operating systems environments.

Location / WFH: You\'ll join colleagues based in high spec offices with free breakfast and lunch at the onsite restaurant, with flexibility to work from home two days a week.

Responsibilities

• Drive automated security processes and influence architecture for low-latency, multi-cloud environments
• Lead strategic security projects and collaborate with IT, cloud and engineering teams
• Implement security solutions across AWS, Azure and hybrid infrastructures
• Perform threat modelling, vulnerability assessments and security code reviews
• Embed security throughout the development lifecycle
• Provide mentorship, guidance and training on security best practices and secure development

Qualifications

• Expertise with AWS security
• Strong experience with product security, secure coding practices and application development in languages such as Python, C++, Rust, Go and Kotlin / Java
• Strong knowledge of software development, system architecture and security tools
• Experience securing Linux and Windows systems
• Experience integrating security scanning tools into CI/CD pipelines and runtime environments
• Experience within a trading / financial services environment
• Degree in Computer Science or a similar technical discipline

What\'s In It For You

• Salary to £160k
• Significant Bonus
• Pension
• Private Healthcare
• 25 days holiday
• Opportunity to work on Greenfield systems
• Continual learning and development opportunities

Apply now to find out more about this Senior AWS Security Engineer opportunity.

At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We\'re an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.