Lead Cloud Architect: GCP & AWS, SC Cleared

SR2; City Of London; On-site; GBP 90,000 - 130,000; Full time

Job summary

SR2 seeks an experienced Lead Cloud Architect to guide the assessment and future-state design of a large-scale Google Cloud Platform environment within UK central government. The role welcomes AWS experts with GCP interest and aims to apply enterprise cloud principles across landing zones, governance and operating models.

You will lead discovery, validate approaches with cloud engineers and stakeholders, and help transition platform ownership and administration to the organisation.

Responsibilities

• Lead the current-state assessment of the GCP estate, identifying architectural, governance and operational improvements.
• Define the future-state GCP landing zone, organisation hierarchy, folder structure and governance model.
• Design enterprise-scale cloud governance, organisation policies, IAM and role-based access controls, applying relevant AWS or GCP architectural experience.
• Define the cloud operating model, including platform ownership, responsibilities, controls, service management and operational governance.
• Develop an identity and access management strategy covering GCP Cloud Identity, Workforce Identity Federation and integration with Microsoft Entra ID.
• Define security architecture aligned to Secure by Design, NCSC guidance and the Cyber Assessment Framework (CAF).
• Design FinOps governance, billing hierarchies, cost allocation and chargeback approaches.
• Produce an operational transition model supporting the transfer of platform ownership and administration.
• Provide architectural leadership and assurance throughout discovery and target-state definition.

Skills

GCP

AWS

Cloud architecture

IAM security

Tools

GCP Console

AWS Console

Entra ID

Job description

SR2 seeks an experienced Lead Cloud Architect to guide the assessment and future-state design of a large-scale Google Cloud Platform environment within UK central government. The role welcomes AWS experts with GCP interest and aims to apply enterprise cloud principles across landing zones, governance and operating models.

You will lead discovery, validate approaches with cloud engineers and stakeholders, and help transition platform ownership and administration to the organisation.