Project Architect

CBSbutler Holdings Limited trading as CBSbutler; Huntingdon; Hybrid; GBP 111,000 - 119,000; Full time

Job summary

CBSbutler Holdings Limited trading as CBSbutler is seeking an experienced Project Architect to lead the technical design phase of a major UK project. The role focuses on translating requirements into robust, scalable target architecture and producing high‑quality documentation.

You will provide technical leadership, align solutions with project objectives, and work with infrastructure, security, and integration teams to deliver architectural artifacts and sign‑offs.

Responsibilities

• Lead technical architecture and design workshops with stakeholders to validate requirements.
• Define and finalise the target architecture, system landscape, and integration approach.
• Develop and deliver comprehensive High-Level Design (HLD) documentation covering application architecture, infrastructure, security, networking, integrations, and data flows.
• Assess current-state architecture and identify gaps, dependencies, risks, and migration considerations.
• Define non-functional requirements including availability, scalability, performance, security, and disaster recovery.
• Collaborate with teams to ensure architecture decisions align with standards and best practices.
• Review designs against architecture guidelines and provide sign‑off and recommendations.

Job description

Project Architect

Rate: £600-£644 per day (Inside IR35) Location: Huntington / Hybrid Duration: 6 months, rolling Clearance: BPSS

About the Role

We are seeking an experienced Project Architect to lead the technical architecture and design phase of a major project. You will work closely with key stakeholders and technical teams to translate requirements into a robust, scalable, and secure target architecture. The successful candidate will provide technical leadership throughout the design process, produce high-quality architecture documentation, and ensure solutions are aligned with technical standards and project objectives.

Key Responsibilities

• Lead technical architecture and design workshops with stakeholders to validate and finalise requirements emerging from the discovery phase.
• Define and finalise the target architecture, system landscape, and integration approach.
• Develop and deliver comprehensive High-Level Design (HLD) documentation covering:
  • Application architecture
  • Infrastructure
  • Security
  • Networking
  • Integrations
  • Data flows
• Assess current-state architecture and identify gaps, dependencies, risks, and migration considerations.
• Define and incorporate non-functional requirements (NFRs) including availability, scalability, performance, security, and disaster recovery.
• Collaborate with infrastructure, application, security, and integration teams to ensure architecture decisions align with technical standards and best practice.
• Review and validate solution designs against established technical architecture guidelines.
• Provide technical leadership, architecture recommendations, and effort estimates to support project planning and implementation.
• Present HLD documentation to stakeholders, address feedback, and secure architecture sign-off.
• Support the transition from design into build and implementation, ensuring architecture requirements are clearly communicated to delivery teams.

Key Deliverables

• High-Level Design (HLD) Document
• Logical and Physical Architecture Diagrams
• Integration and Data Flow Architecture
• Non-Functional Requirements Assessment
• Architecture Review and Sign-Off Documentation

Opportunity Overview

This is an excellent opportunity for an experienced Project Architect to take ownership of the technical design phase, influence key architecture decisions, and work collaboratively across multiple technical and stakeholder groups.