Cyber Security Engineer

Company: Harrington Starr
Apply for the Cyber Security Engineer
Location: Greater London
Job Description:

Harrington Starr are supportin a global financial technology business who are bolstering their security team by hiring a Security Engineer with a focus on AWS security. This is part of a huge investment in cyber security from both a headcount and tooling perspective, with the ability to work on some cutting edge products.

A brief snapshot of the responsibilities in this role include:

  • Design, implement, and maintain security controls across AWS environments.
  • Configure, manage, and optimise AWS GuardDuty, including alert tuning, findings‑triage workflows
  • Lead cloud security monitoring, detection engineering, and the design of preventative controls.
  • Incident response activities, providing technical expertise during investigations.
  • Implement and manage cloud‑native security services such as AWS Security Hub, IAM, CloudTrail, and VPC security controls.
  • Work closely with DevOps and engineering teams to embed security within CI/CD pipelines and infrastructure‑as‑code practices.
  • Conduct cloud security architecture reviews and perform threat modelling for new platforms and services.
  • Support vulnerability management initiativeacross cloud and hybrid environments.
  • Contribute to compliance programmes (including ISO 27001 and SOC 2)
  • Continuously assess emerging cloud security threats and recommend improvements.

Key skills needed:

  • Strong understanding of cloud security principles, with a focus on AWS environments.
  • Practical experience deploying, configuring, and managing Amazon GuardDuty.
  • In-depth knowledge of AWS IAM, networking components (VPCs, security groups, NACLs), as well as logging and monitoring solutions.
  • Experience with cloud security posture management (CSPM) and vulnerability management platforms such as Wiz, Qualys, and Rapid7.
  • Familiarity with infrastructure-as-code (IaC) and automation tools, including Terraform and CloudFormation.
  • Solid grasp of security frameworks and regulatory standards, including NIST, CIS, ISO 27001, and GDPR.
  • Proven ability to design and implement scalable security controls in dynamic, cloud-native environments.

The role is based in central London (city) with four days a week in the office.

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Posted: March 7th, 2026