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Senior Data Scientist -Python & Libraries such as pySpark/SparkML/Pandas/SKlearn at EDF (London, UK)

Position: Senior Data Scientist

EDF Energy

EDF Energy is a core part of the EDF Group, one of the largest energy companies in Europe with key business operations in the UK, France, Italy, Belgium and Poland. We are the UK’s leading generator and supplier of low carbon energy, producing around one-fifth of the nation’s electricity and employing more than 15,000 people. We operate nuclear, coal and gas power stations, wind farms, and combined heat & power plants. We have a focus on safe, dependable energy generation and an ethos of service excellence. We intend to play a leading role in new nuclear build in the UK and secure a bright future for the combined business and its employees.

Business Unit Overview 

At EDF Energy, we’re committed to helping our customers in any way we can. We are responsible for maximising the long-term value of our residential and business customers; we create an integrated approach to energy sourcing, pricing strategy, and deliver to the needs of our customers. We sell electricity and gas to over 5.5 million residential and business customers, making us the largest supplier of electricity by volume. We also run customer facing activities including field sales and meter reading services. We’re committed to ‘getting it right first time’, making sure that service is continually improved & our approach to Customers is driven by our sustainability agenda, which means we behave as a socially and environmentally responsible company. We are the largest business unit within EDF Energy with over 8,000 employees spread across 50 locations. Working in a competitive marketplace means we need high performing people who have the skills, experience, systems knowledge and leadership abilities to provide support and guidance in line with our ‘right first time’ policy.

Vacancy Overview

The Data Scientist will work within an agile Data Science team tasked with designing and implementing Data Products to serve the needs of other users / groups within EDF Energy. The Data Scientist will work alongside the Data Engineers, Spark Application Developers, DevOps and cross-functional IT and Security teams. The Scientist will be responsible for the development of robust high precision machine learning models, re-training models, A/B Testing, monitoring and benchmarking model performance and maintaining CI/CD pipelines.

Principal Accountabilities

The Data Scientist is expected to assume the following key responsibilities plus any other reasonable duties as required:

  • Design and development of robust high precision machine learning models, re-training models, A/B Testing, monitoring and benchmarking model performance.
  • Liaise with the Business stakeholders to present results and ensure that the deliverables align to business needs.
  • Develop and tune machine learning models and algorithms as part of the analysis.
  • Work with the Data Engineers and Big Data Developers to bring the pipelines to a production environment, ensuring the continuous quality of the outputs.
  • Work with data governance and data quality teams to ensure compliance at all stages of development.
  • Thoroughly document and test data processing steps before release.
  • Train and mentor junior staff.

Knowledge, Skills and Experience

Must Have

  • Hands-on experience in Python, including data manipulation and data science libraries such as PySpark, SparkML, Pandas, SKLearn, H2O
  • Hands-on experience developing and tuning machine learning models with an in-depth understanding of common algorithms.
  • Advanced python development experience using tools such as Jupyter Notebooks, PyCharm etc.
  • Experience with major RDBMS: Oracle, PostgreSQL, MySQL, MS SQL, Sybase, DB2
  • Excellent communication skills, comfortable presenting to technical and non-technical audiences
  • Self-starter, confident taking initiatives and deciding the best course of action
  • Several years of experience

Highly Desirable

  • Experience operating in highly regulated industry with high security standards
  • Understanding of Agile Scrum
  • Experience working towards production quality data science models
  • Experience working with a variety of stakeholders

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