Data Analyst


Job description

Main responsibilities:

  • Data Analysis and Preprocessing: 
    Adapt process plant model structures based on specific plant data. Analyze, validate and clean past operation data, validate operation limits, and update affected regression calculations
  • Model Validation and Testing: 
    Run the models against past operations data, ensuring compliance with upper and lower limits, production ramping speeds, and other parameters. Test optimization models against historical data and the plant model and optimise it.
  • Technical Integration: 
    Coordinate the technical integration process with the business, project management and other involved parties. Ensure working integration to adjacent systems (e.g. Historian database, plant control system, etc.
  • Report insights to stakeholders // Communication and Coordination: 
    Engage in effective communication with business and ROC (Remote Operations Center) regarding process parameters, constraints, and test results. Support business value estimation by running scenarios against simulations and past data.
  • Test Management and Continuous Optimization:
    Manage tests, ensuring execution and thorough analysis. Establish and maintain optimization models to run continuously. Monitor run performance and take proactive actions if runs deviate from expectations.


Main skill requirements:

  • Proven knowledge of coding in Python
  • Skills in data analysis & visualization (Python based, relevant libraries: pandas, numpy, plotly)
  • Advanced knowledge of regression & linear optimization (Python based, relevant libraries: pandas, numpy, scikit-learn, or-tools)
  • 2+ years of working experience in data analytics with proven project/solution track record 

Soft skills:

  • Self driver attitude: Execute tasks self-responsible. Can-do and get-stuff-done attitude is crucial
  • Good communications skills, able to effectively discuss project requirements with different hierarchy levels and disciplines (engineering, business, etc.)
  • Fluent English (spoken and written) is a must, Portuguese is a plus
  • Main working location will be Portugal (Lisbon)
  • Willingness for business travel (on an occasional basis)

 Hybrid 2 x Week at client office

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