Data Specialist (Remote/Hybrid) at Alex Staff Agency

, , Greece -

Full Time

Start Date

Immediate

Expiry Date

29 Mar, 26

Salary

0.0

Posted On

29 Dec, 25

Experience

2 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Data Engineering, Python, SQL, PostgreSQL, Data Cleaning, API, ETL, Data Modeling, GitHub Actions, Time-Series Data, Energy Markets, Elexon Data, Grid Operations, dbt, Data Discrepancies, Data Quality

Industry

Staffing and Recruiting

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 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

Responsibilities

The Data Specialist will be responsible for mapping BM units, substations, and fuel types, maintaining datasets, and investigating data discrepancies. Additionally, they will clean time-series data and develop Python-based routines for data processing.