Senior AWS Platform Engineer

CACI Ltd; Greater London; On-site; GBP 90,000 - 120,000; Full time

Benefits offered by this job

5% employer matched pension contribution

25 days annual leave + bank holidays

Support with certifications, learning & development

Job summary

A leading cloud engineering firm in the UK is seeking an experienced AWS Platform Engineer to lead architecture decisions and innovate on secure, scalable cloud platforms. You'll work on complex national infrastructure, collaborating with expert engineers and influencing the next generation of AWS services. Candidates must have the ability to obtain high-level security clearance and possess deep expertise in AWS architectures.

Qualifications

• Deep expertise in multi-tenanted platform architectures and multi-account AWS setups.
• Expert-level knowledge of AWS Networking, TLS, and security best practices.
• Proficiency in Python, Go, or similar languages for automation and scripting.
• Experience with Kubernetes and cloud security.

Responsibilities

• Lead the architecture and evolution of AWS platforms at scale.
• Develop and maintain Infrastructure as Code solutions.
• Champion security, compliance, and observability by integrating services.
• Design CI/CD pipelines for self-service deployments.
• Work with networking, TLS, IAM, and Kubernetes/ECS.
• Mentor engineers to foster technical excellence.

Skills

Multi-tenanted platform architectures

AWS Organizations

Python

AWS Networking

Kubernetes

Innovation and problem-solving

Security & compliance

Observability

Tools

Terraform

AWS CDK

AWS Security Hub

Grafana

ELK

Job description

Due to the industries we work in, we require the successful candidate to be able to obtain high level security clearance. To qualify for this, you must be a British citizen and have lived permanently in the UK for the last 5 years.

At IdentityE2E a CACI business, we’re redefining what's possible in AWS platform engineering. As the first UK company to achieve AWS Vetted Partner Program (VPP) status for National Security and Defence, we design cutting-edge solutions for complex, highly regulated environments at large scale. Our Jezero Secure Landing Zone Accelerator and Cydonia biometric cloud solutions set industry benchmarks for scalability, security, and innovation.

We’re looking for an experienced AWS Platform Engineer who’s ready to lead architecture decisions, experiment boldly, and push boundaries in delivering secure, scalable and dynamic cloud platforms. You’ll collaborate with expert level engineers, have opportunities to work in collaboration with AWS and to influence the next generation of cloud services while working on critical national infrastructure and large-scale projects.

Key Responsibilities

• Lead the architecture and evolution of AWS platforms at scale, leveraging AWS Organisations, Landing Zones and multi-account best practices.
• Develop and maintain Infrastructure as Code solutions using Terraform, CloudFormation and AWS CDK.
• Champion security, compliance, and observability by integrating services like AWS Security Hub, GuardDuty and Inspector.
• Design CI/CD pipelines to enable seamless deployments and self-service models for customers.
• Innovate with AWS Networking, KMS, IAM, and container orchestration (Kubernetes, ECS).
• Mentor and collaborate with a team of talented engineers, fostering a culture of technical excellence.

Skills, Knowledge and Expertise

• Deep expertise in multi-tenanted platform architectures and multi-account AWS setups.
• Experience with Landing Zones/Control Tower/AWS Organizations
• Proficiency in Python, Go, or similar languages for automation and scripting.
• Expert-level knowledge of AWS Networking, TLS, and security best practices.
• Experience with container orchestration (Kubernetes, EKS) and observability tools (Grafana, ELK).
• A passion for innovation, problem-solving, and delivering high-impact solutions.

Why Apply?

• Work on AWS Landing Zone Accelerator (LZA) solutions at massive scale and play a key role in shaping best practices, standards and the architecture.
• Work on large-scale, cutting-edge AWS architectures that push the limits of scalability, security, and innovation, ensuring every day presents a new technical challenge.
• Engage with a team of experts to tackle complex problems in highly regulated environments, where innovative solutions make a tangible impact.
• Up to 5% employer matched pension contribution
• 25 days annual leave + bank holidays
• Support with certifications, learning & development.