Principal Data Architect

Company: iO Associates
Apply for the Principal Data Architect
Location: London
Job Description:

iO Associates are hiring a Principal Data Architect to lead the design and delivery of an enterprise cloud data platform, with a strong focus on AWS and Snowflake. You’ll shape data strategy and standards, modernise legacy platforms, and drive scalable, governed data solutions across the business.

Key Responsibilities

  • Define scalable enterprise data architecture (ingestion, transformation, analytics, governance)
  • Architect and optimise Snowflake (warehousing, sharing, performance)
  • Lead cloud modernisation/migration to AWS and automation of data pipelines
  • Set best practice around modelling, security, compliance and cost control
  • Partner with senior stakeholders and mentor delivery teams

What we’re looking for

  • Senior/Principal-level data architecture experience in enterprise environments
  • Strong track record delivering enterprise data architecture and scalable platforms
  • Deep expertise in Snowflake (warehousing, performance optimisation, data sharing)
  • Strong AWS and cloud architecture experience
  • Confident communicator who can translate business needs into robust technical designs

Please note that you must have the right to work in the UK as sponsorship is not provided.

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Posted: July 4th, 2026