Quantitative Analyst,

join us on the green journey

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"What excites me most about this role is the variety of challenges it offers. One day you may be improving a machine learning model, the next solving optimization problems or analyzing large-scale weather datasets. It's a role for curious minds who enjoy solving complex problems, turning uncertainty into insight, and continuously expanding their expertise."

- Edgars Rolands Martinsons, Price and Production Forecast Unit Lead

As a Quantitative Analyst, you will support power price and production forecast unit for math, optimization and in-depth data related tasks.

In this role, you will:

  • develop, maintain and continuously improve core forecasting, simulation and decision support solutions;

  • design and implement tools for forecasting, and operational planning;

  • contribute to quantitative models, algorithmic solutions, data processing workflows, and system automation initiatives across multiple business domains;

  • handle and process weather-related datasets, including gridded data sources;

  • integrate weather-related models and data streams into systems;

  • develop and maintain renewable asset forecasting solutions at both the individual asset and portfolio levels;

  • prepare, update, and maintain technical documentation and presentation materials;

  • validate and backtest models, identify improvement opportunities, and collaborate with data engineers to implement enhancements;

  • contribute to cross-functional projects and other ad hoc data, modelling, and analytics initiatives.

With us, you can:

  • develop professionally through continuous training and development programs that expand your skills and experience;

  • opportunity for long-term career growth and self-fulfillment in a growing international company;

  • enjoy 5 additional vacation days after your first year;

  • choose a well‑being package that suits you, including health insurance and/or Stebby services.

You are a great match if you:

  • have work experience in the fields of Data Analysis, Data Science, or Quantitative Analysis;

  • have strong analytical and data-related skills, including developing complex prediction models, solving optimization problems, automating, and handling large volumes of data;

  • are experienced in either R or Python, complemented by a basic familiarity with the other;

  • are familiar with data workflows, including data storage, access, and transformation (SQL, data import/export, and Parquet files);

     

  • are a results-oriented team player with an eagerness to learn;

  • hold a university degree in Mathematics, Statistics, Data Science, or a related field;

  • speak fluent English.

Additional details

Location: Tallinn. Partial remote work opportunity.

We await your CV by 10.09.2026 at latest.

Apply here

Want to know more?

People Partner Karolin Niit will answer your questions about the hiring process.

We are an international energy company and the largest employer in Estonia. We provide useful and convenient energy solutions and produce energy in an increasingly environmentally friendly way. As experts in the field of energy, we help customers plan their green journey in a personal and flexible manner as well as implement it by using environmentally friendly energy solutions. Our home market stretches from Estonia to Poland.