Checkout.Com

Senior Cloud Security Engineer

London. Posted 2 months ago

The role

You will embed security into design decisions and ongoing operations for a multi-cloud environment. You will develop security architectures, define policy-as-code standards, and support SIEM and detection capabilities across AWS, Azure, and GCP.

What you will do

  • Develop and enforce reference security architectures, patterns, and blueprints for AWS, Azure, and GCP.
  • Conduct security assessments for new cloud services to define preventative and detective controls.
  • Partner with Engineering teams to embed security guardrails early in design.
  • Evaluate engineering and platform architecture proposals and identify security gaps.
  • Document and uphold secure-by-design principles and architecture governance.
  • Enforce policy-as-code frameworks aligned with NIST, CIS, and PCI DSS.
  • Set monitoring scope and priorities for CNAPP/CSPM tooling.
  • Work with Security Operations to shape cloud logging and detection requirements.
  • Collaborate with senior stakeholders to articulate security risks and mitigations.

Required qualifications

  • Risk-based decision-making and adherence to regulatory and internal security standards (PCI DSS, NIST, SOC 2, ISO 27001, CIS).
  • Broad knowledge across security domains and their capabilities within AWS, Azure, and GCP.
  • 6+ years' hands-on experience and SME depth in at least one platform.
  • Kubernetes (EKS/AKS/GKE).
  • API security.
  • IaC security (e.g. Terraform, CloudFormation, ARM templates).
  • Securing user and non-user access at scale, including Azure Policy and cloud-native IAM controls.
  • Ability to provide clear, security-focused guidance.
  • Excellent communication and senior-stakeholder engagement skills.
  • Experience mentoring other engineers.

Nice to have

  • CISSP, CCSP, or equivalent certifications.
  • AZ-500, AWS Certified Security, Google Professional Cloud Security Engineer, or equivalent cloud security certification.
  • Microsoft Certified: Azure Solutions Architect Expert, or Google Professional Cloud Architect.
  • Experience integrating ATT&CK Navigator into SOC workflows.

About the company

Checkout.com is a fintech company that enables over 10 billion transactions yearly for more than one billion global shoppers. They have 20 offices across six continents with London as their HQ.