Senior Platform Engineer — AWS Cloud & Infra

Deloitte (UK); Belfast City District; Hybrid; GBP 70,000 - 110,000; Full time

Job summary

Deloitte Belfast is seeking a Senior Platform Engineer to lead the design, build, and governance of AWS platforms and cloud-native solutions. You will own technical work packages, drive automation, and mentor junior engineers while shaping secure and scalable infrastructure across delivery programmes.

You’ll work with cross-functional teams to translate requirements into robust designs, apply best practices, and push the boundaries of AWS-enabled transformation.

Qualifications

• Experience delivering AWS platform engineering projects.
• Ability to translate requirements into scalable technical solutions.
• Strong understanding of cloud-native architectures and automation.

Responsibilities

• Design, build and maintain AWS platforms, infrastructure and cloud-native solutions.
• Lead the delivery of technical work packages and platform engineering activities.
• Translate functional and non-functional requirements into scalable and maintainable technical solutions.
• Design and implement Infrastructure as Code, automation tooling and CI/CD pipelines.
• Apply AWS best practices across security, reliability, scalability and operational excellence.
• Troubleshoot complex platform, infrastructure and deployment issues.
• Support architecture, design and technical assurance activities.
• Identify technical risks and support mitigation activities.
• Drive engineering quality through peer reviews, testing practices and technical documentation.
• Provide technical leadership within assigned workstreams and develop recognised expertise within specific platform engineering domains.
• Collaborate with engineers, architects and client stakeholders to solve technical challenges.
• Support and mentor junior engineers through technical guidance and knowledge sharing.
• Contribute to reusable assets, engineering standards and continuous improvement initiatives.
• Evaluate emerging AWS services and engineering approaches to support innovation and delivery excellence.

Skills

AWS

Platform engineering

DevOps

Automation

CI/CD

Security best practices

Architecture

Tools

Terraform

Kubernetes

Jenkins

CloudFormation

Job description

Deloitte Belfast is seeking a Senior Platform Engineer to lead the design, build, and governance of AWS platforms and cloud-native solutions. You will own technical work packages, drive automation, and mentor junior engineers while shaping secure and scalable infrastructure across delivery programmes.

You’ll work with cross-functional teams to translate requirements into robust designs, apply best practices, and push the boundaries of AWS-enabled transformation.