CareerPlan

Principal Data Engineer (Data Practice Lead)

LondonFull-time2026-10-16 → 2026-11-10

Core

Principal Data Engineer leading the data practice at a consultancy, delivering hands-on data engineering work while building the practice's reputation and guiding client engagements.

Role type

Principal Data Engineer (Data Practice Lead)

Builds

Production data pipelines, transformation layers, models, and infrastructure for diverse client contexts (legacy migrations, greenfield lakehouses).

Domain

Data Engineering / Consultancy

Deliverable

production ML models

Required skills

SQL at scale, Python for data, Data modelling, Transformation architecture, Pipeline design, Data testing, Data observability, CI/CD for data, Data governance, Cost optimization, Platform fluency (Airflow, Snowflake, dbt, Spark), AI Native workflows

Preferred skills

Consulting or agency experience, Technical leadership track record, Public presence in data community

Technologies

SQL, Python, Airflow, Dagster, Snowflake, BigQuery, Databricks, Fivetran, Airbyte, dbt, Spark

Responsibilities

Hands-on delivery of data pipelines and infrastructure; Guiding the wider team and unblocking technical problems; Defining internal standards for data work; Mentoring data engineers; Joining client meetings as technical authority; Shaping proposals and pitches; Acting as escalation point on live engagements; Representing the company at external events; Owning the growth of the data practice.

Seniority

Principal, hands-on IC with leadership and commercial responsibilities