Cloud Engineer – Fintech

Company: Quant Capital
Apply for the Cloud Engineer – Fintech
Location: London
Job Description:

Overview

In this Cloud Engineer role, you will own the day-to-day health and security of AWS-hosted platforms for a high-profile fintech client. You will steer cost and complexity reductions while ensuring reliable, secure cloud services and support cross-functional teams. The role includes incident support, change control, and on-call responsibilities to keep critical systems running. You’ll work in a relaxed, open environment that prizes thoughtful, tech-forward decisions and meaningful impact in a fast-moving fintech setting.

Responsibilities

  • Maintain the operational effectiveness and security of AWS-based infrastructure
  • Provide subject matter expertise to internal support and development teams
  • Lead cost, complexity, and stability improvements in cloud environments
  • Ensure comprehensive monitoring, security, and availability of cloud services
  • Design and implement security measures across core IT technologies
  • Adhere to change control and release management processes
  • Participate in major incident management and root-cause analysis
  • Provide after-hours support as part of on-call rotations

Key requirements

  • Operational support and design expertise for AWS IaaS/SaaS platforms
  • Experience with automation tools such as CloudFormation and Ansible (or similar)
  • System administration experience with Linux and Microsoft technologies (patching, security, monitoring)
  • Understanding of CI/CD pipeline management
  • Knowledge of networking, security, and related protocols
  • Experience with web-delivered application topologies (IIS and related technologies)
  • problem-solving mindset
  • ability to work with cross-functional teams
  • responsiveness under pressure
  • AWS IaaS/SaaS platforms
  • CloudFormation
  • Ansible

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Posted: October 1st, 2026