Senior Cloud Platform Engineer in Milton Keynes

• Milton Keynes (Hybrid)
• Competitive salary of £70,000 - £80,000 per annum, depending on experience, plus excellent benefits.

At SIS, we're looking for a Senior Cloud Platform Engineer to play a leading role in designing, building and evolving the cloud platforms that power our 24/7 products and services.

This is an opportunity to work on large-scale, business-critical infrastructure, driving automation, resilience, security and operational excellence across our cloud environment.

What you'll be doing

• Designing and delivering secure, scalable and highly available cloud platform solutions
• Leading the implementation of cloud infrastructure, automation and Infrastructure as Code
• Enhancing CI/CD pipelines and deployment capabilities
• Driving observability, monitoring and platform security best practices
• Supporting cloud transformation and platform modernisation initiatives
• Providing technical leadership during major incidents and service restoration activities
• Mentoring engineers and promoting engineering best practice across the team

What we're looking for

You'll bring:

• Strong experience designing and operating cloud platforms, ideally within Azure
• Expertise in Infrastructure as Code, automation and CI/CD
• Experience with containerised environments and platform engineering practices
• Strong understanding of cloud security, resilience and operational excellence
• Experience working in high-availability, business-critical environments
• A collaborative approach and passion for continuous improvement

Why join SIS?

At SIS, you'll join a team that values:

✅ Better Together
✅ Focused Innovation
✅ Trusted Delivery
✅ Inspiring Enthusiasm

You'll have the opportunity to work on challenging technical projects, influence platform strategy and help shape the future of our cloud estate while working alongside talented engineers in a collaborative environment.