Senior AWS Platform Engineer

7 days ago


London, United Kingdom Anson McCade Full time

Senior Platform Engineer – National Security Location: London (Hybrid/Flexible)
Type: Permanent
National Security / Defence
Salary : £65,000 - £82,000 + bonus + package

A leading national security and defence technology organisation is seeking a Senior Platform Engineer to join their London team. You’ll lead the design, development, and delivery of secure, scalable platforms that underpin critical government and national security systems.

This senior role combines deep technical expertise with leadership responsibilities, including mentoring junior engineers, setting engineering standards, and driving high-quality delivery across projects. Mentor and guide junior engineers, promoting best practices in software and platform engineering.
Work collaboratively across Agile teams, embedding engineering standards and automation frameworks.
Implement CI/CD pipelines, automated testing, and static code analysis to ensure high-quality delivery.
Collaborate on cloud infrastructure and containerised solutions (AWS/Azure, Docker, Kubernetes).
Hands-on experience with cloud platforms (AWS, Azure) and containerisation (Docker, Kubernetes).
Experience with CI/CD, automation and configuration management tools (Jenkins, Bamboo, Ansible, Terraform).
Familiarity with Agile environments (Scrum, Lean, Kanban) and strong collaboration skills.
Understanding of software design patterns and engineering best practices.
Programming skills in Python, Java, .NET, or JavaScript.

Flexible hybrid working arrangements.
Competitive salary and comprehensive benefits package.
Opportunities for professional growth, including certifications and cross-domain project experience.
Be part of a global leader in cybersecurity and national defence.
Contribute to projects that protect the UK and its allies.
Inclusive, collaborative culture with active community engagement initiatives.



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