Senior AWS Cloud Architect — Secure, Remote-First

SR2 | Socially Responsible Recruitment | Certified B Corporation; High Wycombe; Hybrid; GBP 101,000 - 111,000; Full time

Job summary

SR2 | Socially Responsible Recruitment | Certified B Corporation is seeking an SC Cleared AWS Cloud Architect for a remote-first contract role (6 months, likely extensions). London onsite as needed, Inside IR35.

The role focuses on security, integration and operational design across an AWS-hosted platform. You will lead architecture decisions, produce artefacts, and collaborate with engineering, security and infra teams to improve resilience and identity services, including Keycloak and Entra

Qualifications

• Strong AWS cloud and security architecture experience.
• Experience designing secure, resilient enterprise cloud platforms.
• Excellent knowledge of identity and access management, including Microsoft Entra ID.
• Experience with privileged identity management, conditional access and access-control policies.

Responsibilities

• Provide technical and infrastructure architecture oversight across an AWS-hosted platform.
• Translate business needs into traceable technical and security requirements.
• Produce high-level designs, architecture decisions and supporting technical documentation.
• Review solution designs, supplier proposals and technical notes.
• Lead the resolution of architecture, integration and platform-level issues.
• Identify technical risks, security weaknesses and areas of technical debt.
• Design secure integration between Microsoft Entra ID and AWS.
• Develop conditional-access, privileged-access and approval policies.
• Improve the resilience and availability of identity services, including Keycloak and OTP solutions.
• Embed automated security controls into Terraform and CI/CD pipelines.
• Design security monitoring using services such as AWS Security Lake, CloudWatch and Microsoft Defender for Cloud.
• Support threat detection through centralised logging, tailored alerts and anomaly monitoring.
• Share knowledge and provide technical guidance to engineering teams.

Skills

AWS cloud architecture

Identity & access management

Terraform

DevSecOps

Security monitoring

Threat modelling

Stakeholder management

Tools

Keycloak

OTP solutions

Job description

SR2 | Socially Responsible Recruitment | Certified B Corporation is seeking an SC Cleared AWS Cloud Architect for a remote-first contract role (6 months, likely extensions). London onsite as needed, Inside IR35.

The role focuses on security, integration and operational design across an AWS-hosted platform. You will lead architecture decisions, produce artefacts, and collaborate with engineering, security and infra teams to improve resilience and identity services, including Keycloak and Entra