Senior Cloud Platform Engineer

Company: Changeworknow is part of the Access Group
Apply for the Senior Cloud Platform Engineer
Location: Milton Keynes
Job Description:

  • 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


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


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.

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Posted: October 5th, 2026