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Posted 21 July, 2026

Technical Architect

Hays Specialist Recruitment Limited
London, ENG, GB Full Time

Job Description

A leading global insurance organisation, is seeking an experienced Technical Architect with strong IBM i / AS400 (iSeries) expertise to join their Application Solutions team.This role will play a key part in a high-profile programme to migrate a large estate of business-critical IBM i applications between data centres.Key Responsibilities

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  • Lead the technical architecture and design of IBM i / AS400 application migration initiatives.
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  • Define migration and transition strategies for business-critical applications moving between data centres.
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  • Assess application dependencies, integrations, interfaces, and infrastructure requirements.
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  • Produce solution designs, architecture documentation, and migration roadmaps.
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  • Collaborate with application, infrastructure, and project teams to ensure successful delivery.
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  • Identify and mitigate technical risks throughout the migration lifecycle.
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  • Support wider application modernisation and transformation initiatives.
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  • Provide technical leadership and architecture governance across the programme.
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Experience Required

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  • Proven experience as a Technical Architect, Solution Architect, or Application Architect.
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  • Strong background within AS400 / iSeries environments.
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  • Experience delivering data centre, hosting, or large-scale application migration programmes.
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  • Strong understanding of complex application landscapes and business-critical systems.
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  • Excellent stakeholder management and communication skills.
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  • Experience within the insurance sector (desirable)
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  • Knowledge of the Genius insurance platform (desirable)
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Details

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  • Location: London
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  • Hybrid: 3 days / week
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  • Duration: Initial 3 months
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  • Rate: Inside IR35
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