Senior AWS Platform Engineer

Role Overview We are seeking an AWS Senior Platform Engineer to join our growing Cloud Engineering & Platforms practice. This is a hands-on role focused on designing, building and automating secure, scalable AWS cloud platforms, while contributing to engineering standards, reusable components and delivery best practices. Working closely with Architects, Engineers and Consultants, you will deliver high-quality solutions throughout the project lifecycle, from discovery and design through to implementation and operational handover. The successful candidate will have experience delivering AWS platform solutions across multiple environments and a strong understanding of automation, security, observability and cloud engineering best practice. Due to the nature of this role successful candidates may need to undergo security clearance. More information on SC Clearance checks can be found here. Responsibilities Design, build and support secure AWS cloud platforms across client environments, including landing zones, multi-account structures, AWS Organizations, Control Tower, networking, guardrails and reusable infrastructure modules, while troubleshooting complex platform, DevOps and deployment issues. Embed security and DevSecOps best practices through secure-by-design principles, covering identity, networking, encryption, secrets management, zero-trust architectures, policy-as-code and automated security controls aligned to organisational and regulatory requirements. Collaborate with clients, architects and consultants to understand requirements, shape solutions and deliver robust AWS platform capabilities, producing clear technical documentation and supporting delivery from discovery through to operational handover. Lead AWS platform implementation activities, coordinating technical dependencies, guiding engineering decisions, promoting best practices across automation, security and observability, and supporting the development of early-career colleagues through mentoring and knowledge sharing. About You Strong hands-on AWS platform engineering experience, with a proven track record delivering solutions across multiple projects or client environments. Broad knowledge of cloud architecture, networking, security, automation, observability and operational readiness, including AWS Landing Zones, Control Tower, AWS Organizations and security controls. Proficient in Infrastructure-as-Code, automation and DevOps tooling, including Terraform, AWS CloudFormation, AWS CDK, CI/CD pipelines, and delivery tools such as Jira, Azure DevOps, GitHub and GitLab. Good understanding of Secure by Design principles, covering identity and access management, networking, encryption, secrets management, logging, monitoring and governance across cloud environments. Strong client-facing communication skills, with the ability to build trusted relationships, balance technical and commercial considerations, and clearly articulate technical decisions, trade-offs and risks. Knowledge and Experience of the Following Would Be Advantageous AWS certifications such as AWS Certified Solutions Architect or AWS Certified DevOps Engineer, with exposure to Azure or GCP environments. Knowledge of hybrid cloud architectures, including integration between AWS, on-premises infrastructure and other cloud platforms. Experience with scripting and automation technologies such as Python, TypeScript, shell scripting, AWS SDKs and command-line tooling. What We Look for in Our People Strong alignment with FSP values and ethos. Commitment to teamwork, quality and mutual success. Proactivity with an ability to operate with pace and energy. Strong communication and interpersonal skills. Dedication to excellence and quality. Who Are FSP? FSP is a leading enterprise transformation consultancy specialising in Data & AI, Cyber Security, Enterprise Cloud and Change Delivery. We help organisations modernise, innovate and grow through advisory-led consulting, deep technical expertise and high-quality delivery. Working across complex and regulated environments, we partner with clients to build secure, intelligent and resilient digital capabilities that deliver lasting business value. Our culture is built on true belonging, opportunity for all and excellence in everything we do. Through our One FSP Playbook, we have created a shared set of values and winning behaviours that shape how we work, collaborate and show up for our colleagues and our clients. We are committed to creating an environment where talented people are supported, developed and given the opportunity to thrive, building a high-performing organisation where everyone can contribute, grow and succeed together. Find Out More About Our People and the One FSP Playbook fsp.co/about-fsp/ | One FSP Playbook Why Work for FSP? At FSP, we are committed to providing: A collaborative and supportive environment in which you can grow and develop your career. The tools and opportunity to do work you can be proud of. A chance to work alongside some of the best people in the industry, who always seek to share their knowledge and experience. Hybrid working, empowering you to make smart choices about when and where to work to achieve great results. Industry-leading coaching and mentoring. Competitive salary and an excellent benefits package. Equal and Fair Opportunity FSP is an equal opportunity employer, and we welcome applications from all suitable candidates. We consider all applicants for employment regardless of age, disability, sexual orientation, gender identity, family or parental status, race, colour, nationality, ethnic or national origin, religion or belief. Research suggests that applicants from underrepresented groups are less likely to apply for roles if they do not precisely meet requirements, or if they feel there are clear barriers as to who should apply. If you are excited about a potential role with us but are concerned that you may not be a perfect fit, please do apply, as you may be the ideal candidate for this role or for a different vacancy within FSP. We endeavour to always provide fair opportunity for applicants to showcase themselves in the best way possible during interviews or meetings. If you require any adjustments for a call or in-person meeting, please let us know.