Senior Cloud Engineer - AWS Specialist - Selby Jennings

Senior Cloud Engineer (AWS Specialist)

Our client is an exceptional hedge fund looking to hire a Senior AWS Engineer to help build and scale the next generation of cloud platforms that power cutting-edge research, data science, and trading capabilities. Renowned for combining world-class technology, data, and quantitative research, the firm has built a highly collaborative and engineering-led environment where cloud infrastructure is a critical enabler of innovation. This is an exciting opportunity to join a globally recognised organisation at the forefront of technology-driven investing.

They are looking for an AWS Engineer who thrives in complex, high-performance environments and enjoys solving challenging infrastructure problems. The ideal candidate will combine deep AWS expertise with a proactive, ownership-driven mindset, bringing a strong "can-do" attitude and a passion for building scalable, secure, and highly automated cloud solutions. This role would suit someone who wants to work directly with researchers, developers, and data scientists while shaping the future of cloud engineering across the business.

Key Responsibilities

• Design and implement scalable AWS architectures supporting quantitative research and trading platforms.
• Build cloud solutions that enable researchers and developers to rapidly develop, test, and deploy new ideas.
• Partner closely with research, engineering, and data teams to translate business requirements into robust technical solutions.
• Drive automation across cloud infrastructure, deployment processes, monitoring, and operational workflows.
• Enhance the performance, resilience, security, and availability of critical AWS environments.
• Design and support containerised and Kubernetes-based cloud platforms.
• Continuously optimise infrastructure for scalability, reliability, and cost efficiency.
• Implement cloud security best practices, governance standards, and access controls.
• Evaluate and adopt new AWS services and technologies to improve platform capabilities.
• Act as a subject matter expert for AWS best practices across the engineering organisation.

Key Skills & Experience

• 4+ years' experience as an AWS Engineer, Cloud Engineer, Cloud Architect, or similar role.
• Deep expertise across AWS services including EKS, EC2, S3, Lambda, IAM, RDS, VPC, CloudWatch, Secrets Manager, DynamoDB, and related technologies.
• Strong experience designing and supporting highly available, resilient, and secure cloud infrastructure.
• Proven experience building solutions in AWS for data-intensive, research, financial services, or high-performance computing environments.
• Strong Kubernetes and containerisation experience (EKS, Docker, Kubernetes).
• Hands-on experience with Infrastructure as Code, ideally Terraform.
• Strong understanding of cloud security, governance, encryption, and access management.
• Experience implementing monitoring, observability, and cloud optimisation strategies.
• Strong troubleshooting and problem-solving capabilities within complex production environments.
• Excellent stakeholder management and communication skills.
• Ability to work effectively with developers, researchers, and data scientists.
• AWS certifications such as Solutions Architect or DevOps Engineer are advantageous.