Order Management System (OMS) Solution Architect – Enterprise Retail

Order Management System (OMS) Solution Architect – Enterprise Retail

£650 per day | Retail Sector | London & 80% remote

We're seeking an experienced Order Management System (OMS) Solution Architect to lead the design, integration, and evolution of enterprise-scale order management capabilities for a major retail organisation.

This is an exciting opportunity for an architect with deep OMS expertise, ideally gained through IBM Sterling OMS , but we are equally interested in candidates who have delivered large-scale OMS solutions using Manhattan, Fluent Commerce, Blue Yonder, SAP OMS, Oracle OMS , or bespoke enterprise order management platforms.

The Role:

As the OMS Solution Architect , you will define and deliver the technology vision for end-to-end order management across omnichannel retail operations. Working closely with business stakeholders, engineering teams, and third-party vendors, you will ensure the OMS landscape supports a seamless customer journey from order capture through fulfilment, delivery, returns, and customer service.

You will play a key role in shaping architecture decisions, integration patterns, and future-state capabilities while balancing operational stability with business transformation goals.

Key Responsibilities:

• Own the end-to-end solution architecture for the Order Management domain.
• Design OMS solutions supporting omnichannel retail operations including eCommerce, stores, fulfilment centres, click-and-collect, ship-from-store, and returns.
• Lead architecture and design workshops with business and technology stakeholders.
• Define integration architectures between OMS, ERP, eCommerce, POS, WMS, CRM, payment, and logistics platforms.
• Produce high-quality architecture artefacts, roadmaps, and technical documentation.
• Evaluate OMS enhancements, platform capabilities, and vendor solutions.
• Ensure scalability, performance, resilience, security, and operational excellence across OMS services.
• Support delivery teams throughout the development lifecycle and provide architectural governance.
• Collaborate with product managers, programme teams, engineers, and external partners to deliver strategic change initiatives.

Essential Experience:

• Proven experience as a Solution Architect within retail or consumer-facing organisations.
• Strong hands-on experience with IBM Sterling OMS or equivalent enterprise OMS platforms.
• Experience delivering large-scale OMS transformations, implementations, upgrades, or integrations.
• Deep understanding of retail order lifecycle management and omnichannel fulfilment processes.
• Strong integration architecture expertise across APIs, event-driven architectures, middleware, microservices, and cloud-native solutions.
• Experience integrating OMS with:
• eCommerce platforms
• Warehouse Management Systems (WMS)
• ERP solutions
• Payment systems
• Logistics and carrier platforms
• Customer service applications
• Ability to communicate architecture concepts to both technical and non-technical audiences.

Desirable Experience:

• Experience with bespoke or custom-built OMS platforms.
• Cloud architecture expertise across Azure, AWS, or GCP.
• Experience with modern integration technologies such as Kafka, MuleSoft, Boomi, or Azure Integration Services.
• Knowledge of retail inventory management and supply chain processes.
• TOGAF or equivalent architecture certification.
• Experience working within agile product and delivery environments.

Contract Details:

• Rate: £650 per day Inside IR35
• Contract Length: Initial 6 months with strong extension potential
• Location: London & 80% remote
• Start Date: Immediate to 4 weeks