Security Engineer - AWS in London

Security Engineer – AWS

Duration: 6 months

Start and End dates: 19 December 2025 – 19 June 2026

Location: UK based

Onsite requirements: Hybrid working / Remote working is possible

Engagement Type: IR35Contract – Either via PAYE or Umbrella

Day Rate: PAYE: £450.33 per day OR Umbrella: £618.93 per day

Legal right to work: You must have the legal right to work in the United Kingdom. No sponsorship is available.

Atrium Global is supporting a client in the healthcare technology industry. This role will focus on the security of cloud applications and delivery pipelines, contributing to the ongoing protection of patient and healthcare data.

Job Overview

You will develop and maintain security platforms and tooling, ensuring effective controls are embedded throughout cloud environments and CI/CD pipelines. Working closely with security architects and engineering teams, you will help shape secure delivery across diverse technologies including Azure, AWS and SaaS solutions. You will support integration of security capabilities into development workflows, while actively identifying and resolving vulnerabilities within infrastructure and codebases.

RESPONSIBILITIES

• Work with Security Architects and colleagues to deliver the security backlog
• Collaborate with solution architects and engineers to ensure secure technical solutions
• Create delivery plans and take ownership of key tasks
• Adapt delivery plans as needed to ensure the secure release of products
• Identify and remediate vulnerabilities in systems and codebases
• Perform regular risk assessments, security testing and vulnerability analysis
• Create clear security documentation and guidelines
• Recommend improvements to security services and controls
• Ensure adherence to information security policies and standards
• Embed automation within deployment pipelines using cloud technologies
• Support secure development through monitoring, guardrails and security tooling integration

REQUIREMENTS

• Degree in Computer Science, Computer Engineering or equivalent experience
• 3+ years experience in a similar security engineering role
• Experience working with security tooling / SOC environments
• Hands-on knowledge of applying Cyber Security controls in development pipelines
• Strong understanding of source control and deployment automation (e.g., GitHub, ADO)
• Strong communication and stakeholder engagement skills
• Ability to identify and implement security controls beyond standard development practices
• Working knowledge of secure coding and compliance standards
• Basic threat modelling and dynamic security testing experience
• Scripting skills (Python, Bash etc.)
• Experience with Azure and AWS security configuration
• Experience with security automation
• Knowledge of key security technologies such as IDS, SIEM/SOAR, email gateways, WAFs and vulnerability management tools
• Experience with SIEM platforms, including ELK stack
• Senior-level software development capability