Solution Architect - Finance Migration (legacy to Workday Financial Management) - OUTSIDE IR35

Solution Architect - Finance Migration (legacy to Workday Financial Management) - OUTSIDE IR35

Posted 1 day ago by Jobserve

£550 Per day
Outside
Hybrid
Hampshire

Summary: The role of Solution Architect for Finance Migration involves leading the transition from a legacy finance platform to Workday Financial Management for a major retailer's Finance Transformation Programme. This position requires expertise in solution architecture, integration strategies, and data migration, ensuring compliance and alignment with enterprise standards. The architect will collaborate with various stakeholders to define target architectures and oversee the governance of the migration process. The role is primarily remote with occasional on-site requirements in Fareham.

Key Responsibilities:

  • Leading the solution architecture for the migration to Workday Financials.
  • Defining as-is, target, and transition architectures across finance, data, integrations, and reporting.
  • Designing the integration architecture between Workday and surrounding systems (HR, procurement, banking, ERP, data platforms).
  • Shaping the data migration strategy, including mapping, transformation, reconciliation, and historical data handling.
  • Working with Workday functional leads to align configuration, business processes, and security models with enterprise architecture.
  • Ensuring the solution meets NFRs: security, compliance, auditability, performance, resilience, supportability.
  • Providing architectural governance across SI partners and internal delivery teams.
  • Supporting cutover planning, testing strategy, and readiness for go-live.
  • Presenting designs to Architecture/Design Authorities and managing architectural change control.
  • Ensuring alignment with finance controls, statutory reporting, and regulatory requirements.

Key Skills:

  • Proven experience as a Solution Architect on large-scale finance transformation programmes.
  • Hands-on experience with Workday Financials (must have delivered at least one end-to-end implementation or migration).
  • Strong understanding of finance processes, chart of accounts, period close, AP/AR, GL, assets, and reporting.
  • Experience migrating from Legacy finance/ERP systems (Oracle, SAP, Unit4, bespoke, etc.).
  • Deep knowledge of integration patterns (REST, SOAP, middleware, ESB, iPaaS).
  • Strong data migration and data modelling experience in a finance context.
  • Excellent stakeholder management and ability to influence across business and technology.

Salary (Rate): £550 daily

City: Fareham

Country: United Kingdom

Working Arrangements: hybrid

IR35 Status: outside IR35

Seniority Level: Senior

Industry: IT

Detailed Description From Employer:

Solution Architect - Finance Migration (legacy to Workday Financial Management) - OUTSIDE IR35

6 months rolling | £550 Outside IR35 | 2 days per month onsite (Fareham) & remote

We're supporting a major retailer's Finance Transformation Programme and are looking for an experienced Solution Architect to lead the migration from a Legacy finance platform to Workday Financials. This is a pivotal role shaping the end-to-end architecture, integration strategy, data migration approach, and transition roadmap for a business-critical change.

If you've delivered complex finance system migrations and know how to bring structure, clarity, and governance to a multi-vendor Workday implementation, this will suit you perfectly.

The Opportunity:

You'll be the architectural lead for the migration of a Legacy finance system into Workday, ensuring the solution is coherent, compliant, and aligned to enterprise standards. You'll work closely with Finance, Technology, SI partners, and Workday specialists to define the target architecture, integration patterns, data flows, and cutover approach.

What You'll Be Doing:

  • Leading the solution architecture for the migration to Workday Financials.
  • Defining as-is, target, and transition architectures across finance, data, integrations, and reporting.
  • Designing the integration architecture between Workday and surrounding systems (HR, procurement, banking, ERP, data platforms).
  • Shaping the data migration strategy, including mapping, transformation, reconciliation, and historical data handling.
  • Working with Workday functional leads to align configuration, business processes, and security models with enterprise architecture.
  • Ensuring the solution meets NFRs: security, compliance, auditability, performance, resilience, supportability.
  • Providing architectural governance across SI partners and internal delivery teams.
  • Supporting cutover planning, testing strategy, and readiness for go-live.
  • Presenting designs to Architecture/Design Authorities and managing architectural change control.
  • Ensuring alignment with finance controls, statutory reporting, and regulatory requirements.

Who You'll Work With:

  • Finance leadership & SMEs
  • Workday functional and technical teams
  • Systems Integrator partners
  • Data, Integration & Security Architects
  • Programme & PMO teams
  • External vendors and banking partners

Key requirements:

  • Proven experience as a Solution Architect on large-scale finance transformation programmes.
  • Hands-on experience with Workday Financials (must have delivered at least one end-to-end implementation or migration).
  • Strong understanding of finance processes, chart of accounts, period close, AP/AR, GL, assets, and reporting.
  • Experience migrating from Legacy finance/ERP systems (Oracle, SAP, Unit4, bespoke, etc.).
  • Deep knowledge of integration patterns (REST, SOAP, middleware, ESB, iPaaS).
  • Strong data migration and data modelling experience in a finance context.
  • Excellent stakeholder management and ability to influence across business and technology.

£550 OUTSIDE IR35. 6 months rolling. 2 days per month in Fareham & remote