Domain Architect at Wave Group, London Area, £600-£750 per day

Role: Business Domain Architect

IR35 Determination: Active SC Clearance or Eligible to SC Clearance

Rate: £600-£750 per day Outside IR35

Role Context:

This role sits within a small, business-aligned architecture team working client-side on a government Data Centre Exit programme. The team collaborates to understand enterprise architecture across the entire estate due for migration, with each architect taking ownership of a specific business domain.

With the Client contract now awarded, the immediate priority is accelerating onboarding of the Client consortium and driving successful migration of the assigned business domain. Domain knowledge established during the pre award phase is now a critical accelerant for this next stage.

Role Purpose:

Act as the primary architectural liaison between the government department and the chosen Client for a specific business domain. Bridge the gap between the client and the Client consortium including its technical and migration teams to ensure optimal cloud adoption and migration success.

1. Business Domain Discovery & Knowledge Building

• Rapidly establish deep understanding of the assigned business domain
• Map services, applications, and infrastructure within the domain
• Engage with domain stakeholders, service owners, and business teams
• Understand mission-critical operations, business processes, and user journeys
• Assess business criticality, SLAs, regulatory requirements, and compliance needs
• Build a comprehensive domain knowledge base to accelerate Client onboarding

2. Current State Architecture Assessment & Documentation

• Document existing technical architecture for the assigned business domain
• Map application dependencies and integration touchpoints (internal and external)
• Identify data flows, APIs, interfaces, and interconnections
• Assess technical complexity, technical debt, and architectural patterns
• Catalogue infrastructure components servers, storage, networking, middleware, and databases
• Understand performance characteristics, capacity, and peak usage patterns
• Identify security requirements, data sovereignty constraints, and compliance obligations
• Document the as is state ready for Client consortium handover

3. Migration Readiness & Complexity Analysis

• Assess migration complexity and effort for domain services
• Map interdependencies that affect migration sequencing
• Identify risks, blockers, technical constraints, and potential showstoppers
• Document integration points that must be maintained throughout transition
• Understand potential migration wave planning and phasing options

4. Client-Side Architecture Team Collaboration

• Work as an integral member of the 3–5 person client-side architecture core team
• Collaborate to understand enterprise architecture across the whole estate
• Share knowledge and maintain architectural consistency across domains, including architectural vision, patterns, and standards
• Participate in peer reviews of domain assessments and migration approaches
• Ensure cross-domain integration points are well understood and documented

5. Onboarding & Acceleration

• Act as the primary technical contact with the Client consortium for the assigned domain
• Rapidly onboard Client teams with a comprehensive domain knowledge pack
• Accelerate landing zone setup and environment readiness for the domain
• Leverage Client best practices, reference architectures, and migration tooling
• Coordinate Client technical resources and specialist support
• Ensure optimal use of Client migration programmes and accelerators
• Facilitate knowledge transfer from the Client to internal teams

If you are interested in this role please send your cv and availability to my email connor.ballard@wavetalent.co I will book us in for a call right away!