AWS Cloud Solutions Architect

Randstad; City of Westminster; Hybrid; GBP 90,000 - 150,000; Full time

Job summary

Randstad seeks an AWS Cloud Solutions Architect for a 6-month contract (Inside IR35). Hybrid work with London Paddington, remote options, and workshops. Lead cloud strategy, migrations, and security-first architecture across SaaS and data platforms.

The role focuses on IaC automation (Terraform, CloudFormation), containerization, and vendor governance, reporting to the Principal Architect. Strong leadership and cross-team collaboration are essential.

Qualifications

• Solid experience with Kubernetes and containerized environments.
• Advanced automation using Terraform and AWS CloudFormation.
• Proven cloud security controls, DevSecOps principles, and vendor/SaaS security evaluation.

Responsibilities

• Design, maintain, and govern HLD/LLD artifacts and diagrams.
• Oversee AWS cloud migrations and modernization per Enterprise Architecture.
• Perform architecture reviews focused on performance, reliability and cost.

Skills

Kubernetes

Terraform

AWS CloudFormation

Security & DevSecOps

Vendor management

Architectural leadership

Education

AWS Certified Solutions Architect (Associate/Professional)

BSc in Computer Science or related field

Tools

AWS CloudFormation

Job description

AWS Cloud Solutions Architect - Remote - 6 Month Contract - Inside IR35

• Reporting Line: Principal Architect (with dotted line to Head of Cloud Transformation)
• Location: London Paddington (Hybrid / WFH with occasional travel for workshops)
• Duration: 6-Month Initial Contract

Job Purpose & Summary

My Client is seeking a mature, self-starting AWS Cloud Domain Solution Architect to join an established architecture team on a contract basis.

In this role, you will lead the AWS cloud strategy, drive cloud migrations, maintain a strict "Security-First" posture, and conduct critical security assessments for incoming SaaS products.

You will act as a technical leader-translating complex business requirements into strategic roadmaps, governing HLD/LLD artifacts, enforcing Infrastructure as Code (IaC) automation, and overseeing 3rd-party vendors.

Key Responsibilities

• Design & Delivery: Create, maintain, and govern High-Level Designs (HLD) and Low-Level Designs (LLD), along with detailed architecture diagrams and technical roadmaps.
• Cloud Strategy & Migration: Oversee cloud migrations and modernization initiatives across AWS, ensuring alignment with Enterprise Architecture.
• Performance & FinOps: Perform architecture reviews focused on performance tuning, reliability, and cost optimisation.

Security & SaaS Assurance

• Security-First Posture: Champion security best practices across all cloud, digital, and data platform designs.
• SaaS Security Assessments: Conduct technical security and risk assessments on candidate 3rd-party SaaS tools and external software solutions.
• IaC Automation: Drive standards around Infrastructure as Code using Terraform and AWS CloudFormation.
• Vendor Management: Provide technical oversight, quality control, and governance for external 3rd-party suppliers and engineering partners.
• Kubernetes & Containerization: Guide containerisation strategies, Kubernetes deployment patterns, and modern microservices designs.
• Translate complex business unit requirements into clear, actionable technical blueprints.
• Facilitate technical workshops and advocate for AWS/Digital platform adoption across the business.
• Collaborate closely with Senior Leadership, Enterprise Architecture, Security Architecture, and Operations teams.

Core Qualifications & Requirements

• Containers & Orchestration: Solid experience with Kubernetes and containerized environments.
• Infrastructure as Code (IaC): Advanced automation experience using Terraform and AWS CloudFormation.
• Security & Compliance: Proven track record in cloud security controls, DevSecOps principles, and vendor/SaaS security evaluation.
• Cross-Domain Knowledge: Broad technical fluency across Cloud, Networking, Data, Digital Platforms, and Infrastructure.
• Proven experience acting as a technical lead across multi-disciplinary teams (developers, platform engineers, ops).
• Strong vendor management and 3rd-party governance capabilities.
• Exceptional stakeholder communication and workshop facilitation skills.
• A proactive, self-starter mindset comfortable operating in a fast-paced environment.

Education & Certifications

• Certification: AWS Certified Solutions Architect (Associate or Professional required).
• Education: BSc in Computer Science, Information Systems, Business Administration, or equivalent hands-on industry experience.
• Team Composition: Head of Solution Architecture & Design, Principal Architect, Principal Design Engineer, 5 x Domain Solution Architects, and 1 x Business Analyst.
• Direct Line Manager: Reports directly to the Principal Architect.