Platform Engineer

Senior AWS Platform Engineering Consultant - (Fully remote UK only) Are you the person people turn to when an AWS challenge is complicated, ambiguous or business-critical? Expert Thinking is looking for a phenomenally capable Senior AWS Consultant to join its Cloud Platforms practice. This is not a role for someone who wants to sit behind a ticket queue or deliver from a fixed set of instructions. It is for an engineer who enjoys understanding the real problem, shaping the solution, building it properly and taking clients on the journey. The role You will lead and deliver AWS platform, migration and modernisation work for enterprise clients. Depending on the engagement, that could mean designing a secure multi-account foundation, building reusable Terraform automation, improving CI/CD and developer experience, automating security controls, assessing an estate for migration, or presenting a clear technical and commercial recommendation to senior stakeholders. The work is hands-on, but consulting ability matters just as much as technical knowledge. You will need to uncover what a client really needs, communicate trade-offs clearly, earn the confidence of technical and non-technical stakeholders, and leave behind a solution their teams can genuinely own. You will bring Deep, hands-on AWS platform or DevOps engineering experience.Strong Terraform or OpenTofu skills and a track record of creating clean, reusable infrastructure as code.Experience designing AWS foundations across accounts, identity, networking, security, logging, governance, resilience and cost.Practical CI/CD and Git-based delivery experience, using tools such as GitHub Actions, GitLab CI, Azure DevOps or AWS developer tooling.Solid automation skills, ideally with Python and Bash.Experience gained in consultancy, professional services or a strongly client-facing technical delivery role.The confidence to lead discovery, challenge assumptions and explain complex ideas simply.A security-first mindset and experience working in complex or regulated environments.The judgement to balance excellent engineering with client value, delivery timescales and risk. It would be a real advantage if you also have AWS migration assessment, MAP, TCO or business-case experience.EKS, ECS, Kubernetes, serverless, Packer, Ansible or AWS Systems Manager experience.Knowledge of CIS, AWS Well-Architected or other security and compliance frameworks.Experience supporting pre-sales, writing proposals or statements of work, or presenting solutions to senior stakeholders.Professional-level AWS certification. Why Expert Thinking? Expert Thinking is a remote-first UK consultancy specialising in cloud, data and AI. Its ambition is to be the best, not the biggest: a home for bright, thoughtful consultants who care about engineering quality, client outcomes and doing work they can be proud of. You will join a highly capable team, take genuine ownership of important client work and have the opportunity to influence how the AWS practice grows. The position is permanent and fully remote within the UK. Interested? If you are an AWS specialist who combines deep technical ability with curiosity, consulting confidence and a genuine sense of ownership, we would love to hear from you. Apply with your CV or get in touch for a confidential conversation.