At METLEN Energy & Metals, we are catalysts for a sustainable future, positioned at the forefront of the energy transition while being a reference point for competitive green metallurgy at both the European and global levels.  We are a global industrial and energy company operating across two highly interconnected and complementary sectors: Energy and Metals. With a consolidated turnover of €5,683 million and an EBITDA of €1,080 million, along with a workforce of over 7,627 dedicated individuals, we drive success through cutting-edge technology and diverse talent.

We are committed to embracing new state-of-the-art technologies and advancements, propelling us towards a cleaner, brighter tomorrow. Our positive footprint extends across five continents, creating a lasting impact. At METLEN, we foster a culture of resilience, challenge, respect, excellence, and change, empowering our diverse workforce to achieve remarkable outcomes.
Job Description
Portfolio Operations Specialist
20/10/2025

We are currently looking for a RES & Storage Portfolio Operations Specialist to join our Energy Management team, based in Athens, Greece. 

In this role, you will be responsible for ensuring the efficient participation and optimization of our RES and BESS assets across regional wholesale energy markets. You’ll play a key role in maintaining operational excellence, supporting performance reporting, and contributing to forecasting and optimization initiatives. 

 

Your role will encompass: 

  • Managing and updating the technical database of assets within the aggregation portfolio. 

  • Executing settlement processes for aggregation and PPA portfolios in coordination with central functions. 

  • Liaising with key market authorities (ADMIE, DAPEEP, HEnEx, and international entities) to ensure seamless portfolio operations. 

  • Preparing and delivering performance reports using Power BI to monitor technical and portfolio KPIs. 

  • Supporting monthly budgeting forecasts and financial planning. 

  • Enhancing internal forecasting and optimization tools to improve production accuracy and economic performance. 

  • Monitoring regulatory developments and implementing necessary adjustments to ensure business continuity. 

 

What you bring to the role: 

  • Bachelor’s degree in Electrical/Mechanical Engineering, Economics, or a related field. 

  • 2+ years of experience in power markets; experience in aggregation is a strong plus. 

  • Solid understanding of the regulatory framework governing regional electricity markets. 

  • Proficiency in at least one of the following: VBA, Power BI, Python, or SQL. 

  • Strong analytical skills and experience working with large datasets. 

  • Excellent communication, problem-solving, and collaboration abilities. 

 

Share the same Value Based Behaviors:  

  • People & Personal growth  

  • Results orientation & Safety excellence  

  • Collaboration & Trust  

  • Empathy & Effective communication  

  • Flexibility & Adaptability 

 

Your Benefits:   

  • Competitive remuneration package  

  • Ticket Restaurant Card  

  • Group Health Insurance Plan  

  • Preferential household electricity plan   

  • Pension Plan    

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We respect your personal data. All personal information in your application and CV will remain strictly confidential.  

 

At Metlen Energy & Metals we are proud to have Diversity and Inclusion at the centre of everything we do. We are committed to Equal Employment Opportunity regardless of race, colour, national origin, ethnicity, gender, age, disability, sexual orientation, gender identity or religion.
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