Qube research and technologies

Cloud Security Engineer (AWS)

London Full Time

Qube Research & Technologies (QRT) is a global quantitative and systematic investment manager, operating across all liquid asset classes worldwide. We are a technology and data-driven organization applying a scientific approach to investing. The combination of data, research, technology, and trading expertise shapes our collaborative mindset and enables us to solve complex challenges. Our culture of innovation continuously drives our ambition to deliver high-quality returns for our investors.

You will join the Cloud Security function, working closely with Infrastructure Engineering, Platform, DevOps, and Risk teams to design and deliver strategic security enhancements across our AWS environment. This is a highly engineering-focused role, driving forward-looking cloud security initiatives including architectural improvements, automation, control uplift, and continuous maturity enhancement. You will operate in a high-performance, technology-driven investment environment where scalable, secure, and automated cloud infrastructure is critical to business success.

Your future role within QRT:

  • Design and implement secure AWS architectures aligned with security best practices and internal control frameworks.
  • Engineer and enhance IAM frameworks, including permission boundaries and least-privilege access models.
  • Develop and maintain Service Control Policies (SCPs) and account-level governance guardrails.
  • Build and automate security baselines across AWS environments.
  • Design and implement infrastructure security controls using Infrastructure as Code (Terraform or CloudFormation).
  • Engineer scalable encryption and key management solutions leveraging AWS KMS.
  • Drive automation of security controls, compliance validation, and remediation workflows.
  • Partner with DevOps and Platform teams to embed security into CI/CD pipelines and infrastructure design.
  • Lead technical security uplift initiatives across CSPM, CWNP, and broader cloud security domains.
  • Contribute to long-term cloud security strategy and architectural roadmaps.

Your present skillset:

  • Minimum 5 years of industry experience in cloud security, infrastructure security, or related engineering roles.
  • Strong hands-on experience engineering security solutions in AWS environments.
  • Deep knowledge of IAM, SCPs, account governance, and AWS organizational design.
  • Proven experience designing secure cloud architectures in complex, large-scale environments.
  • Expertise with Infrastructure as Code tools such as Terraform or CloudFormation.
  • Experience implementing and maintaining industry-standard CSPM solutions.
  • Strong understanding of encryption, key management, and cloud data protection principles.
  • Ability to build automation frameworks using Python or similar scripting languages.
  • Experience operating in security-sensitive or regulated environments.
  • Strong analytical skills with the ability to translate security requirements into scalable engineering solutions.
  • Collaborative mindset with the ability to work cross-functionally in a fast-paced, high-performance environment.

QRT is an equal opportunity employer. We view diversity as essential to our success and foster an open, respectful environment where collaboration drives collective achievement. Alongside professional growth, we provide initiatives that support a healthy and sustainable work-life balance.