Data Design Lead (Snowflake)

Tokio Marine HCC; Greater London; On-site; GBP 70,000 - GBP 90,000; Full time

Job summary

A global insurance company in Greater London seeks a Data Design Lead to act as the Snowflake platform authority. You'll own the technical integrity and evolution of the ARCUS Snowflake platform, ensuring optimal usage across the organization. Preferred qualifications include significant experience in data architecture and senior data engineering roles, alongside strong collaboration and stakeholder management skills. This role offers competitive compensation and a dynamic work environment.

Benefits

Competitive salary

Employee benefit package

Qualifications

• Significant experience in data architecture or senior data engineering roles.
• Experience as a Snowflake technical lead in a medium-to-large organization.
• Proven experience designing and governing enterprise-scale data platforms.

Responsibilities

• Act as an approver for low-level data designs adhering to architectural principles.
• Own and evolve canonical Snowflake + DBT medallion patterns.
• Act as a deputy to the Head of Data Design & Engineering.

Skills

Data architecture

Snowflake technical lead

Collaboration skills

Stakeholder management

GDPR familiarity

Tools

Fivetran

Job description

**Job Title: Data Design Lead (Snowflake)** this role sits within: Join us to grow your skills, influence strategic outcomes, and be part of a supportive culture that values resilience, curiosity, quality, and continuous improvement. **Job Purpose:** The Data Design Lead (Snowflake) is the Snowflake platform authority and architectural champion within TMHCC International’s Data & Analytics function, acting as deputy to the Head of Data Design & Engineering. The role owns the technical integrity, evolution, and enablement of the ARCUS Snowflake platform, ensuring it is used optimally, consistently, and safely across the organisation. This includes acting as the primary escalation point, design authority, and internal expert for Snowflake architecture, DBT-based transformation patterns, and medallion-layer design. **Key Responsibilities:**Act as an approver for low-level data designs, ensuring adherence to architectural principles, security requirements, and platform standards.Own and evolve canonical Snowflake + DBT medallion patterns (bronze, silver, gold), including layer responsibilities, modelling conventions, and performance expectations.Deputy Effectiveness: Act as an effective deputy to the Head of Data Design & Engineering by owning day-to-day architectural decision-making and operational design oversight, materially reducing escalation and dependency on the role holder. **Skills and Experience Specification:** Significant experience in data architecture, data solution architecture, or senior data engineering roles.Experience acting as a Snowflake technical lead, platform owner, or internal SME within a medium-to-large organisation. Familiarity with Snowflake roadmap-driven adoption and controlled enablement in regulated environments. Proven experience designing and governing enterprise-scale data platforms. Experience with ingestion and CDC tooling (e.g. Fivetran or equivalent).Familiarity with GDPR and implementation considerations for enterprise data platforms.Ability to produce clear, pragmatic architecture documentation, patterns, and standards. Excellent collaboration and stakeholder management skills, including the ability to challenge constructively. Experience in commercial or specialty insurance data domains. Experience operating in regulated or risk-sensitive environments.**What We Offer** The Tokio Marine HCC Group of Companies offers a competitive salary and employee benefit package. We are a successful, dynamic organization experiencing rapid growth and are seeking energetic and confident individuals to join our team of professionals.