Data Specialist (Remote/Hybrid)

Alex Staff Agency

Moldova Remote permanent

Posted: December 29, 2025

Job Description

About the company and the project:

An international company, a leader in developing large-scale energy storage and grid-stability technologies, is in search of a highly skilled and experienced Data Specialist to be a part of its core team.

The company has been operating since 2006 and is currently expanding its portfolio of commercial power plants. The successful candidate will contribute to the fastest-growing direction, integrating advanced software with physical energy infrastructure.
The company has offices in London, Dubai, and India.

You are offered a completely remote form of collaboration or a hybrid work model in London.

Your tasks on the position:

• Mapping BM units, substations, and fuel types across Elexon, National Grid, and other sources; maintaining master/reference datasets
• Documenting mappings, assumptions, and known limitations clearly for downstream users
• Reconciling legacy and current data formats; ensuring consistency between Elexon message types
• Investigating discrepancies between data sources to determine authoritative values
• Cleaning time-series data: detecting outliers, filling gaps, resolving duplicates, and understanding root causes of quality issues
• Developing reusable Python-based cleaning routines and data grabbers for APIs
• Building dbt models and designing PostgreSQL schemas for clean, analysis-ready datasets
• Orchestrating workflows using GitHub Actions

Requirements:
• 3+ years of experience as a Data Engineer
• Strong Python programming skills (especially for API data ingestion and ETL)
• Advanced SQL and data modeling experience with PostgreSQL
• Experience with messy, real-world data
• English B2+

Will be a plus:

• Experience with energy, utilities, or market data
• Familiarity with UK energy markets, Elexon data, or grid operations
• dbt experience for transformation pipelines
• Exposure to time-series data challenges (irregular timestamps, gaps, restatements)

Benefits:
• Competitive salary according to your experience and skills
• Official employment according to the UK Labor Law
• Paid vacation
• Plenty of opportunities for learning and professional growth
• Starting next year, everyone will be issued Macs with tracking software
• B2b contract or official employment for the candidates based in the United Kingdom

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