Solution Architect

Expleo; Greater London; On-site; GBP 90,000 - 130,000; Full time

Benefits offered by this job

ExpleoAcademy

Competitive company benefits

Collaborative culture

Job summary

Expleo is seeking an experienced Solution Architect to lead a large-scale transformation programme involving Oracle ERP demobilisation, D365 Business Central migration, and Workday separation activities. The role requires delivering end-to-end solution architectures, overseeing data migration and integration, and ensuring governance across multiple workstreams.

The ideal candidate will have deep expertise in Oracle ERP, D365 Business Central, and Workday environments, with a proven ability to

Qualifications

• Experience with ERP demobilisation, migration and separation programmes.
• Proven track record delivering solution architecture for large enterprises.
• Strong stakeholder engagement and architecture assurance across multiple workstreams.

Responsibilities

• Define end-to-end solution architectures for Oracle demobilisation, D365 BC migration, and Workday separation.
• Develop current-state, transition-state, and target-state architecture designs.
• Support data migration, integration, cutover, and service transition activities.
• Assess dependencies, risks and impacts across apps, data, infra and security.
• Define integration approaches across APIs, middleware, batch and file-based interfaces.
• Produce artefacts including HLDs, solution designs, roadmaps and decision records.
• Support architecture governance, design reviews and stakeholder approvals.
• Collaborate with business stakeholders, delivery teams and third-party vendors through the programme lifecycle.

Skills

Oracle ERP

Microsoft Dynamics 365 BusinessCentral

Workday

Enterprise Integration Patterns

API & Middleware Architecture

Data Migration & Reconciliation

Identity & Access Management

Azure and/or AWS

Security & Governance

Service Transition

Education

TOGAF

ArchiMate

Microsoft Azure Solutions Architect

Microsoft Dynamics 365 Certification

AWS Solutions Architect

Job description

Overview

Expleo is seeking an experienced Solution Architect to support a large-scale transformation programme involving Oracle ERP demobilisation, migration to Microsoft Dynamics 365 Business Central, and Workday separation activities.

The successful candidate will have a proven track record delivering ERP migration and separation programmes, with strong expertise across solution architecture, enterprise integrations, data migration, cutover planning, and transition delivery. Experience working with Oracle ERP, D365 Business Central, and Workday environments is essential.

Responsibilities

• Define and assure end-to-end solution architectures for Oracle demobilisation, D365 Business Central migration, and Workday separation.
• Develop current-state, transition-state, and target-state architecture designs.
• Support data migration, integration, cutover, and service transition activities.
• Assess technical dependencies, risks, and impacts across applications, data, infrastructure, and security domains.
• Define integration approaches across APIs, middleware, batch and file-based interfaces.
• Produce architecture artefacts including HLDs, solution designs, roadmaps, and decision records.
• Support architecture governance, design reviews, and stakeholder approvals.
• Collaborate with business stakeholders, delivery teams, and third-party vendors throughout the programme lifecycle.

Qualifications

Preferred Certifications

• TOGAF
• ArchiMate
• Microsoft Azure Solutions Architect
• Microsoft Dynamics 365 Certification
• AWS Solutions Architect

Essential skills

• Oracle ERP
• Microsoft Dynamics 365 Business Central
• Workday
• Enterprise Integration Patterns
• API & Middleware Architecture
• Data Migration & Reconciliation
• Identity & Access Management
• Azure and/or AWS
• Security & Governance
• Service Transition

Experience

• Extensive Solution Architecture experience within large enterprise environments.
• Proven delivery experience across ERP transformation, migration, or separation programmes.
• Strong Oracle ERP architecture, migration, or demobilisation experience.
• Hands-on experience with Microsoft Dynamics 365 Business Central implementations or migrations.
• Experience supporting Workday separation, migration, or integration programmes.
• Strong understanding of enterprise integration patterns, APIs, middleware, and data migration strategies.
• Experience defining migration, cutover, transition, and operational readiness approaches.
• Ability to engage senior stakeholders and provide architecture assurance across multiple workstreams.

Benefits

• Collaborative working environment – we stand shoulder to shoulder with our clients and ourpeers through good times and challenges
• We empower all passionate technology loving professionals by allowing them to expand their skills and take part in inspiring projects
• ExpleoAcademy - enables you to acquire and develop the right skills by delivering a suite of accredited training courses
• Competitive company benefits
• Always working as one team, our people are not afraid to think big and challenge the status quo

#LI-BM1

• As a Disability Confident Committed Employer we have committed to:
• Ensure our recruitment process is inclusive and accessible
• Communicating and promoting vacancies
• Offering an interview to disabled people who meet the minimum criteria for the job
• Anticipating and providing reasonable adjustments as required
• Supporting any existing employee who acquires a disability or long term health condition, enabling them to stay in work at least one activity that will make a difference for disabled people

“We are an equal opportunities employer and welcome applications from all suitably qualified persons regardless of their race, sex, disability, religion/belief, sexual orientation or age”.

We treat everyone fairly and equitably across the organisation, including providing any additional support and adjustments needed for everyone to thrive