Haystack
← Back to Jobs
Temporary/Casual
Technology
SG

AWS Cloud Security Engineer

Sanderson Government and DefenceSouth East London, London🇬🇧United KingdomPosted 20 Oct 2026

Quick Overview

Seniority
Mid Senior
Employment type
Temporary/Casual
Work mode
Hybrid
Location
South East London, London, United Kingdom
Posted
13 hours ago
Stakeholder ManagementGitAWSCloudFormationPythonTerraformCI/CDIAM

Job Description

AWS Cloud Security Engineer

£650pd Inside IR35 Contract
SC Clearance Required (Used Within Last 12 Months)
Hybrid Working | Occasional London Travel
Start Date: November 2026 | Contract Until March 2027

A leading consultancy is seeking an experienced AWS Cloud Security Engineer to support a major Home Office programme focused on migrating a large-scale product estate into a new AWS environment.

This is a high-profile cloud transformation initiative, requiring a security-focused engineer to help design, implement, and maintain a robust security posture across the organisation's core cloud platforms. The successful candidate will work across cloud migration, cloud security architecture, DevSecOps practices, and the development of new cloud-based pipeline technologies.

The Role

As an AWS Cloud Security Engineer, you will play a key role in securing cloud infrastructure, applications, identities, data, and networks throughout a large-scale migration programme.

You will work closely with engineering, platform, and security teams to implement security best practices, improve cloud governance, and ensure AWS services are configured and maintained in line with security and compliance requirements.

This is an excellent opportunity for an engineer with strong AWS security expertise who enjoys solving complex cloud security challenges within a large government environment.

Key Responsibilities

Cloud Security Engineering

  • Design, implement, and maintain security controls across AWS cloud environments.
  • Support the migration of existing products and services into a new AWS platform.
  • Ensure cloud workloads, networks, identities, and data are secured against modern threats.
  • Implement and maintain security monitoring, detection, and alerting capabilities.
  • Support cloud governance and compliance initiatives across the wider programme.
  • Provide security recommendations and remediation guidance for cloud-based risks.

Identity & Access Management

  • Configure and manage AWS IAM policies, roles, and permissions.
  • Utilise IAM Access Analyzer to identify and remediate excessive permissions.
  • Implement least-privilege access controls across AWS environments.
  • Support identity security reviews and privilege management activities.

Cloud Security Operations

  • Manage and optimise AWS-native security tooling.
  • Support threat detection, investigation, and remediation activities.
  • Maintain security visibility and monitoring through AWS logging and security services.
  • Assist with vulnerability management and cloud security assessments.

Infrastructure as Code & Automation

  • Support secure infrastructure deployments using Infrastructure as Code methodologies.
  • Develop and maintain Terraform and/or CloudFormation templates.
  • Automate security controls and compliance checks where possible.
  • Contribute to the development of new cloud pipeline technologies.

Essential Skills & Experience

  • Active SC Clearance used within a UK Government department within the last 12 months.
  • Strong hands-on AWS cloud security experience.
  • Experience with:
  • AWS IAM
  • IAM Access Analyzer
  • AWS KMS
  • AWS Secrets Manager
  • AWS CloudTrail
  • Amazon GuardDuty
  • AWS Security Hub
  • Amazon Inspector
  • Amazon Detective
Experience designing and implementing secure AWS architectures.Strong understanding of cloud identity, key management, and secrets management.Experience with Infrastructure as Code using Terraform and/or CloudFormation.Proficiency in Python scripting.Experience using Git version control.Strong understanding of cloud security principles and best practices.Excellent stakeholder engagement and communication skills.

Desirable Skills

  • Experience working within UK Government or public sector environments.
  • Exposure to DevSecOps and CI/CD pipeline security.
  • Experience supporting large-scale cloud migration programmes.
  • Knowledge of cloud compliance frameworks and security governance.
  • Familiarity with containerisation technologies and cloud-native architectures.
  • Experience integrating AWS security tooling into enterprise security operations.

What's on Offer?

  • Opportunity to support a major Home Office cloud transformation programme.
  • Work on large-scale AWS migration and cloud security initiatives.
  • Exposure to cutting-edge cloud security technologies and practices.
  • Hybrid working with occasional travel to London.
  • Long-term contract on a high-profile public sector engagement.

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.

Similar jobs