Enterprise Architect Lead Cloud Applications Migration Architect - Unisys

What success looks like in this role:

The Lead Cloud Migration Architect is the technical leader and Enterprise Architect for the application migration and modernisation programme delivered across Azure and AWS cloud platforms. The role leads application assessment, migration planning, and architecture activities, defining migration strategies, migration waves, target-state architectures, and transformation roadmaps that support the customer's cloud adoption objectives.

As the senior technical authority for the programme, the Lead Cloud Migration Architect provides leadership to the migration team and serves as the primary technical point of contact for the customer. The role works closely with customer stakeholders, architects, project teams, and Unisys leadership to ensure migration decisions are aligned with business objectives, architecture standards, security requirements, delivery timelines, and commercial outcomes.

The role owns the technical outcome of the programme, leading architectural decision-making from assessment through to implementation and ensuring migration designs, plans, and deliverables are technically sound, aligned with customer requirements, and capable of delivering a successful and sustainable cloud transformation.

The Lead Cloud Migration Architect is accountable for leading application discovery and assessment activities, defining migration approaches, prioritisation and wave planning, and guiding applications through their migration journey. The role is responsible for taking design and architecture artefacts for each migration wave through the customer's SDLC approval gates, ensuring feedback is addressed and approvals are secured in a timely manner.

The role represents Unisys within the customer's Architecture Review Board (ARB) and wider architecture function, providing technical leadership across assessment, strategy, design, and migration planning activities. Working closely with the Delivery Lead, Security Lead, customer stakeholders, technology partners, and the AI/Tools Architect, the Lead Cloud Migration Architect ensures migration decisions are technically sound, aligned with customer policy, and support the successful delivery of the overall programme.

As the senior technical leader for the engagement, the Lead Cloud Migration Architect provides leadership, direction, and coordination across assessment, architecture, migration, implementation, and transition activities. The role acts as the primary technical representative for Unisys, working closely with customer executives, business stakeholders, programme leadership, and delivery teams to ensure successful programme outcomes. The role is responsible for maintaining alignment between technical strategy, migration delivery, business objectives, and governance requirements while proactively managing technical risks, dependencies, and stakeholder expectations throughout the programme lifecycle.