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Job Description

Senior Data Engineer – 3-Month Rolling Contract | AWS • Snowflake • ETL • Python • Fivetran | Greenfield Build (Outside IR35)

Immersum are supporting a fantastic client who is about to kick off a major greenfield data engineering project — and they’re looking to bring in a Senior Data Engineer on a 3-month rolling contract to help deliver a brand-new client-facing self-service application.

This is a brilliant opportunity to join at the very start of the build. The data flows and architecture are already mapped out, but the team now needs a capable engineer to turn that design into a secure, performant and production-ready solution.

About the Role

My client is increasing their data engineering capability specifically for this project. They need someone who can hit the ground running — building ETL pipelines, implementing robust security practices, and optimising everything for high performance.

You’ll work directly with the Data Lead and have full visibility with leadership to ensure the project stays on track.

Key Skills & Experience

They’re looking for a Senior Data Engineer with:

Core Technical Expertise

Strong experience using Fivetran (or similar ETL tools) to build and manage ingestion pipelines Excellent Python for data manipulation, automation and API integrations Advanced SQL and hands-on experience with Snowflake Solid understanding of AWS and secure cloud data design A performance-first mindset — building fast, scalable data processes

Security Awareness

Solid security best practice, access control, permissions, and safe handling of client data.

What You’ll Be Working On

Building secure, high-performance ingestion pipelines using Fivetran Designing and delivering API-driven data services Embedding security and best practices Working closely with the Data Lead daily Delivering the backend data engineering for a completely new client app

Working Arrangement

Hybrid – Ideally 1-3 days per week in the office

Start Date

Earliest: Mid-January Target: End of January

If you’re a Senior Data Engineer with strong Fivetran experience and a passion for building greenfield, secure, high-performance data platforms, I’d love to speak with you.

DM me for more info or to register interest.

If you are interested in applying for this job please press the Apply Button and follow the application process. Energy Jobline wishes you the very best of luck in your next career move.