Senior Integration Architect (ideally SC clearead)

CONTRACTOR MUST BE SC ELIGIBLE OR SC CLEARED (active) - Can start with BPSS but will need to apply for SC if not held.

Role Title: Senior Integration Architect

Location: Telford | Hybrid - 2 days/week in the office

Duration: 6 months contract

MUST BE PAYE THROUGH UMBRELLA

Description:

Senior Integration Architect - SAP Regen Programme

The SAP Regen programme is a multi-year transformation focused on migrating and modernising HMRC's integration estate to strategic platforms, enabling the transition from SAP ECC to S/4HANA. The programme includes large-scale API and integration migration, driving standardisation, simplification, and alignment to a clean-core architecture.

Role Overview

As a Senior Integration Architect, you will work within the Integration Migration workstream, reporting to the Lead Integration Architect. You will be responsible for designing and delivering integration solutions for specific domains or API groupings, contributing to the overall architectural direction while ensuring high-quality, consistent delivery across the programme.

Key Responsibilities

• Design and deliver integration solutions migrating from Legacy platforms (eg, SAP PI, webMethods) to strategic platforms such as HIP and SDES, aligned to programme standards.
• Define API specifications and integration patterns, including conversion of Legacy SOAP services to modern RESTful APIs.
• Apply API-first and domain-driven integration approaches to support reuse, decoupling, and long-term maintainability.
• Contribute to end-to-end solution design, ensuring alignment with S/4HANA clean-core principles and wider programme architecture.
• Embed modern engineering practices including shift-left testing, CI/CD, automation, and AI-assisted delivery techniques.
• Support the identification and management of technical risks, dependencies, and migration sequencing considerations.
• Collaborate closely with engineering teams, product owners, and SMEs to ensure designs are implementable, scalable, and supportable.
• Contribute to architecture governance, documentation, and design assurance processes led by the Lead Integration Architect.

Skills & Experience

• Strong experience in enterprise integration architecture and delivery, ideally within large transformation or migration programmes.
• Proven expertise in API design (REST, OpenAPI), integration patterns, and service-based architectures.
• Working knowledge of enterprise integration platforms (eg, SAP Integration Suite, API Management platforms, or equivalent).
• Experience supporting or delivering integration migration or modernisation initiatives.
• Familiarity with modern software engineering practices including automated testing, CI/CD pipelines, and observability.
• Experience applying or supporting AI-assisted delivery approaches (eg, code analysis, documentation generation) is advantageous.
• Ability to work effectively within multi-team delivery environments, contributing to a broader architectural vision.
• Strong communication skills with the ability to engage both technical and non-technical stakeholders.