Senior Cloud Platform Architect - AWS, IaC & CI/CD

Gremlin LTD.; United Kingdom; Remote; GBP 90,000 - 140,000; Full time

Job summary

Gremlin LTD. is seeking a senior DevOps/Platform Engineer to lead cloud infrastructure initiatives and architect scalable AWS platforms. You will design reliable CI/CD pipelines and establish IaC standards using Terraform, Pulumi, or CloudFormation, while driving cost optimisations.

You’ll mentor junior engineers, engage directly with clients, and steer end-to-end delivery of complex projects with minimal hand-holding.

Qualifications

• 5+ years of DevOps, SRE, or platform engineering experience.
• Deep AWS knowledge across compute, networking, and storage.
• Strong IaC skills (Terraform, Pulumi, or CDK).
• Ability to explain technical decisions to clients without jargon.
• Experience leading projects end-to-end and mentoring engineers.

Responsibilities

• Architect and implement cloud infrastructure on AWS.
• Design CI/CD pipelines and developer workflows that people want to use.
• Define Infrastructure as Code standards using Terraform, Pulumi, or CloudFormation.
• Conduct cost optimisation reviews and implement real savings.
• Mentor junior engineers and contribute to hiring.

Skills

AWS

DevOps

SRE

Platform engineering

Cost optimisation

Mentoring

Client communication

Leadership

Tools

Terraform

Pulumi

CDK

CloudFormation

Job description

Gremlin LTD. is seeking a senior DevOps/Platform Engineer to lead cloud infrastructure initiatives and architect scalable AWS platforms. You will design reliable CI/CD pipelines and establish IaC standards using Terraform, Pulumi, or CloudFormation, while driving cost optimisations.

You’ll mentor junior engineers, engage directly with clients, and steer end-to-end delivery of complex projects with minimal hand-holding.