> Markdown version of [/jobs/ext/1232474-principal-engineer-cloud-aws](https://www.wearedevelopers.com/jobs/ext/1232474-principal-engineer-cloud-aws). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Engineer (Cloud) - AWS - **Company:** QINETIQ LIMITED - **Location:** Amesbury, UK - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Amazon Web Services, Cloud Computing, Configuration Management, Databases, Continuous Integration, Python (Programming Language), Network Layer, Node.Js, Software Systems, AWS Cdk, Pulumi, Data Storage Technologies, Cloud Optimization, Terraform, Golang, Programming Languages, Microservices - **Published:** July 11, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=086943256580dca1 ## About the Role Expert knowledge of the entire AWS ecosystem, particularly complex networking (Transit Gateway, Direct Connect), compute, data storage, and enterprise security configurations Exceptional proficiency in Infrastructure as Code and configuration management Strong software background with deep expertise in at least one modern programming language (Python, Go, Java, or Node.JS Demonstrated experience leading large technical projects, influencing organisational engineering culture and driving cross-team consensus Proven track record of designing, deploying, and maintaining large-scale, distributed software systems and microservices architectures, Minimum of AWS Associate certification or higher We value difference and we don't have a fixed idea when it comes to background or education, provided you can show the required level of experience and willingness to learn then we would like to hear from you. ## Description As a Principal AWS Cloud Engineer, you will lead the technical direction of our cloud infrastructure and platform engineering initiatives defining the overarching cloud strategy, architecting highly resilient, scalable, and secure distribute systems on AWS. Day-to-day, you'll serve as the highest level of technical escalation and be a trusted advisor to engineering leadership providing Technical Leadership & Mentorship to Senior, Mid-Level and Junior Engineers fostering a culture of continuous learning, rigorous peer review, and operational excellence. Your responsibilities will include: Architecting complex, multi-region, and highly available AWS cloud environments that align with long-term business goals and product roadmaps Continuously evaluate emerging AWS services and third-part tools to determine their viability for improving our technology stack and reducing time-to-market Guiding technical decision-making across multiple engineering squads and cross-functional collaboration to ensure seamless integration of cloud infrastructure with product development Maintaining complex, modular codebases using Terraform/AWS CDK/Pulumi Architecting internal developer platforms and enterprise-grade CI/CD frameworks that enable development teams to operate autonomously and securely Implementing AWS cost optimisation strategies and driving optimisations to resolve systemic performance bottlenecks across microservices, databases, and network layers, This role is 37 hours per week based at any of our main UK sites with a minimum average site attendance of three days per week. To cover shift patterns between 0730-1830 GMT you may be asked to work at specific times. As part of a commitment to maintaining high service availability and rapid incident response, this role will be required to participate in an on-call rota. This responsibility reflects the trust placed in the role to act swiftly and decisively when critical systems are impacted ## Related Videos - [30 powerful AWS hacks in just 30 minutes: Boost your developer productivity](https://www.wearedevelopers.com/videos/1624-30-powerful-aws-hacks-in-just-30-minutes-boost-your-developer-productivity) - [Why segmenting your infrastructure into tiers makes your infrastructure design better](https://www.wearedevelopers.com/videos/1960-why-segmenting-your-infrastructure-into-tiers-makes-your-infrastructure-design-better) - [Building Reliable Serverless Applications with AWS CDK and Testing](https://www.wearedevelopers.com/videos/812-building-reliable-serverless-applications-with-aws-cdk-and-testing) - [Go with the Flow: Stop the Leaks Before Your Memory's a Waterfall!](https://www.wearedevelopers.com/videos/100073-go-with-the-flow-stop-the-leaks-before-your-memory-s-a-waterfall) - [Unleashing Potential Across Teams: The Power of Infrastructure as Code](https://www.wearedevelopers.com/videos/930-unleashing-potential-across-teams-the-power-of-infrastructure-as-code) - [Retooling and refactoring - an investment in people.](https://www.wearedevelopers.com/videos/371-retooling-and-refactoring-an-investment-in-people) ## Related Articles - [7 Cloud Computing Trends Coming in 2025 for Developers](https://www.wearedevelopers.com/magazine/412-7-cloud-computing-trends-coming-in-2025-for-developers) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers)