Data Specialist (Remote/Hybrid)
Alex Staff Agency
United Kingdom
•2 hours ago
•No application
About
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
- 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)
- 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




