Lead Cloud Migration Architect - Legacy to AWS

TXP; Wellington; On-site; GBP 116,000 - 152,000; Full time

Job summary

TXP is seeking a Lead Solution Architect to oversee a migration from legacy to cloud. You will lead a squad of Solution Architects, ensure architectural coherence with AWS-based patterns, manage dependencies and drive migration readiness across services.

The role involves governance of high-risk areas, coordination with security and infrastructure teams, and guiding technical decisions throughout planning, testing and cutover.

Qualifications

• Must have proven experience in leading solution architecture for large-scale hosting transition, application migration or cloud migration programmes.
• Direct experience guiding architects and technical teams responsible for moving live services.
• Strong understanding of applications, infrastructure, databases, networks and service integration.
• Experience translating service discovery data into actionable migration plans.

Responsibilities

• Lead and coordinate a team of Solution Architects across a squad.
• Own architectural coherence across the migration programme, aligning with AWS patterns and hosting principles.
• Review outputs: migration approaches, dependencies, connectivity, risks, cutover readiness, rollback.
• Provide senior governance for high-risk services and resolve cross-domain issues.
• Maintain a programme-level view of dependencies, shared infra, network routes and sequencing.
• Translate discovery outputs into executable technical plans for Migration Engineers and Infra Engineers.
• Chair architecture reviews and drive timely decisions with clear ownership of actions.
• Coach architects to raise consistency and quality in analysis, docs, and stakeholder engagement.

Skills

Lead Architecture

Solution Architecture

AWS cloud migration

Stakeholder leadership

Migration planning

Job description

TXP is seeking a Lead Solution Architect to oversee a migration from legacy to cloud. You will lead a squad of Solution Architects, ensure architectural coherence with AWS-based patterns, manage dependencies and drive migration readiness across services.

The role involves governance of high-risk areas, coordination with security and infrastructure teams, and guiding technical decisions throughout planning, testing and cutover.