Migrations Architect

• Location
  :
  London/ Bristol UK OR Paris France. (Hybrid)

• Level
  : TL1

• Team
  :
  Client Delivery

• Salary: £80,000-£90,000

• Reporting To
  :
  Head of Migration Enablement and Architecture

This role can be based in the UK (Bristol or London) or France (Paris). You'll need existing right to work in whichever country you're applying to.

At this time, we are not able to offer visa sponsorship for this role. We are committed to building a diverse, global team and our sponsorship policy is evaluated on a role-by-role basis. We encourage you to keep an eye on our careers site to stay informed about future opportunities where we are able to offer visa sponsorship.

Kaluza is the Energy Intelligence Platform, turning energy complexity into seamless coordination. We help energy companies overcome today’s challenges while accelerating the shift to a clean, electrified future.

Our platform orchestrates millions of real-time decisions across homes, devices, markets and grids. By combining predictive algorithms with human-centred design, Kaluza makes clean energy dependable, affordable and adaptive to everyday life.

With teams across Europe, North America, Asia and Australia, and a joint venture with Mitsubishi Corporation in Japan, we power leading companies including OVO, AGL and ENGIE, as well as innovators like Volvo and Volkswagen.

A technical leader in our Migration Enablement team, you will be responsible for the design, plan and build of the data migration for each of Kaluza’s platform deployments. The Migration Architect will be well-versed in the complexities and risks associated with data migration programmes, and be well-equipped to develop methodologies that reduce and remove these risks.

You will be a key member of the Deployment Design team: a specialist unit focused on winning Kaluza new business and then delivering on the deals made. The team’s mission is to create seamless, scalable, and secure deployment solutions that empower our clients to accelerate innovation, achieve operational efficiency and business success. Through collaboration, a focus on repeatability, and a user-centred approach, we design and implement reliable SaaS deployment architectures that enhance performance, minimise risk, and support future growth.

Responsibilities will include -

• Source System & Data Architecture Analysis: Gaining a detailed understanding of clients’ existing systems, data models, integrations, business processes and data dependencies to determine migration requirements and complexity.

• Source-to-Target Data Mapping: Leading analysis and definition of mappings between legacy data structures and the Kaluza target data model, including transformation rules, defaults, derivations and handling of data gaps.

• Migration Solution Architecture: Designing end-to-end migration solutions covering data extraction, transformation, validation, loading, reconciliation and exception management, ensuring alignment with Kaluza architecture and engineering standards.

• Data Extraction Strategy: Consulting with and supporting clients in designing and developing robust extraction capabilities, including defining extract specifications, formats, sequencing, dependencies and data quality expectations.

• Migration Tooling & Engineering
  
  Collaboration:
  
  Working closely with Engineering teams to define requirements for migration tooling, APIs, ETL processes, validation frameworks and automation required to execute migrations safely and efficiently.

• API, Integration & ETL Expertise: Applying a strong understanding of APIs, integration patterns, ETL/ELT processes, data pipelines and large-scale data processing to design scalable migration approaches.

• Data Quality & Validation: Defining validation rules and data quality…