Lead Enterprise Architect

Job Title: Lead Enterprise Architect
Location: UK (Hybrid, once per week onsite - London)
Contract: Initial 6 Month Contract
Rate: Circa 700 Per Day (IR35 Status TBC)

I am working with one of our longstanding clients who have a fantastic reputation as a leading technology and services provider. Currently, they are looking for an experienced Lead Enterprise Architect to play a crucial role in the design and implementation of a business critical and high priority project that will transform and modernise their primary revenue source.

What you'll do

• Full ownership of the enterprise architecture strategy for a large-scale transformation of customer, billing and revenue platforms
• Lead the move away from legacy systems into a modern, cloud-first environment that improves performance, scalability, and customer experience
• Define the target architecture and set a clear, deliverable roadmap from current state to future state across multiple platforms
• Drive architecture across core domains including billing, revenue management, customer platforms, and data
• Work closely with Engineering, Product, Data and Delivery to ensure technology decisions align with commercial and operational goals
• Set the standards. Establish governance across cloud, data, identity and emerging AI capabilities
• Own key technology decisions including vendor strategy and "build vs buy" across critical platforms
• Design platforms that operate at scale: High volume, high availability, and no room for failure
• Lead the shift towards platform-based architecture with clear ownership and long-term sustainability
• Turn complex business problems into clear, structured architectural direction
• Bring control without slowing things down. Balance governance, risk, and innovation across the estate
• Use proof of concepts to test ideas, challenge assumptions and introduce new capability.

Skills & Experience required

• Proven track record of operating at Enterprise Architect level or a Principal/Lead Solution Architect ready to step up, with ownership of architecture across complex environments
• A strong track record designing end-to-end architecture for large, distributed systems.
• Demonstrable experience of shaping and delivering technical strategy including defining target architecture and roadmaps
• Strong exposure to billing, revenue, or large-scale customer platforms.
• Cloud-first mindset with strong AWS experience.
• High level of experience in designing modern architectures using microservices, APIs, event-driven patterns, and serverless
• High level of understanding of data architecture, including data modelling and working across high-volume data environments
• Experience setting standards, governance and improving structure, consistency, and clear direction across multiple teams
• A proven track record of working with senior stakeholders and translating complex requirements into clear architectural decisions
• Commercial awareness and experience with vendor strategy and build vs buy decisions
• A background in large, complex organisations.

ECS Recruitment Group Ltd is acting as an Employment Business in relation to this vacancy.