Platform Security Engineer (AWS)


Platform Security Engineer (AWS)

Location:

Work Model:

hybrid

Industry:

Software Development

Contact Name:

Rachael Clark

Salary:

£700 Per Day

Date Published:

21-Sep-2026

We are looking for an experienced Platform Security Engineer for a role that combines hands-on engineering with consultancy, helping internal teams adopt secure-by-design approaches while developing and maintaining security tooling and services.

Working within a collaborative, multi-disciplinary team, you will provide technical guidance, conduct security reviews, evaluate new technologies, and build solutions that improve the security posture of a complex AWS platform.

The work is varied and fast-paced, spanning security reviews, proof-of-concept activities, tooling development, operational support, and stakeholder engagement.

Key Responsibilities:
  • Provide security consultancy and technical guidance to platform and engineering teams.
  • Conduct security assessments and reviews of cloud services, applications, and tooling.
  • Design, develop, and maintain security tooling and services using AWS-native and open-source technologies.
  • Investigate, evaluate, and prototype new tools and security capabilities.
  • Support teams in adopting secure engineering practices and making effective use of platform security services.
  • Respond to technical queries and provide expert advice on cloud security matters.
  • Contribute to the operation and continuous improvement of CI/CD pipelines and automation capabilities.
  • Support and mentor less experienced engineers, helping to build capability across the organisation.

Essential Skills & Experience:

Cloud & Security
  • Strong experience securing AWS environments.
  • Hands-on knowledge of AWS security services, including:
    • GuardDuty
    • Security Hub
    • AWS Config
    • Service Control Policies (SCPs)
  • Experience building, managing, and operating cloud infrastructure in AWS.

Automation & Infrastructure
  • Strong experience with Infrastructure as Code using Terraform.
  • Experience developing and maintaining CI/CD pipelines.
  • Knowledge of containerisation technologies, particularly Docker.
  • Experience working with version control systems such as Git.

Software Engineering
Strong coding skills in Python.
  • Experience writing, testing, troubleshooting, and refactoring code using object-oriented principles.
  • Understanding of scripting using Bash.
  • Exposure to Golang and/or Java would be advantageous.

Tooling & Technology
Experience with some or all of the following:
  • AWS
  • Terraform / Terragrunt
  • Jenkins
  • Docker
  • Git
  • Bitwarden
  • Python
  • JSON
  • YAML
Apply Now

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