Overview

Senior AWS Security Engineer - Trading Systems at Client Server. 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.

Responsibilities

• Drive automated security processes, influence architecture and lead strategic security projects.
• Collaborate with IT, cloud and engineering teams to implement security solutions for low-latency systems and multi-cloud platforms (AWS, Azure, hybrid).
• Work with Python, C++, Kotlin/Java environments to ensure robust protection that supports high-speed, data-driven operations.
• Conduct threat modelling, vulnerability assessments and security code reviews across platforms.
• Embed security across the development lifecycle and provide mentorship and training on security best practices.

Location

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

Requirements

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