Optimization Engineer - Graduate Programme

The Global Graduate Programme – A Fast-Track to Leadership 

The Sibelco Global Graduate Programme is a two-year rotational programme consisting of two one-year assignments in key operational and commercial roles. Participants gain hands-on experience with real business projects, ensuring early responsibility and exposure to strategic decision-making. 

Participants receive a permanent contract from the start, ensuring long-term career prospects within Sibelco. As part of this programme, we are recruiting a Graduate Optimization Engineer for a one-year assignment focused on managing CAPEX projects and operational improvements at the cluster level in Rio Maior. 

Graduates must also be open to spending their second year in a different cluster outside their initial region to gain international or regional business exposure. 

Your Impact in This Role 

This assignment focuses on technical project management for CAPEX and operational projects, ensuring safe, sustainable, and cost-effective mineral processing improvements. Key responsibilities include: 

• Managing CAPEX projects using internationally standardized methods and best practices 

• Overseeing the execution and final outcomes of operational projects at the cluster level 

• Driving process innovation in areas such as recycling and environmental applications 

• Supporting safe, efficient, and high-quality mineral processing facility improvements 

What You Bring to the Table 

• Engineering degree with an interest in innovation, recycling, or environmental applications 

• Strong analytical and problem-solving skills 

• Leadership, communication, and project management skills 

• Interest in process optimization and CAPEX project execution 

• Fluent in Englisn and Portuguese, spanish language skills recommended but not mandatory 

• Driving license required 

• Openness to spending the second year in a different cluster for international/regional experience 

Our Selection Process 

• Application Submission – CV & Cover/Motivation Letter 

• First Interview – Initial screening and discussion about your background and motivations 

• Assessment – Evaluating key competencies required for the role 

• Business Case Study – A real-world challenge to assess problem-solving and strategic thinking 

• Panel Interview – Final interview with key stakeholders 

Why Join Us? 

Sibelco’s Global Graduate Programme is a unique opportunity to gain early career exposure to real business challenges and decision-making. Participants benefit from: 

• A permanent contract from the start – full-time role, not an internship 

• Competitive salary – we recognize and reward talent 

• Relocation support – receipts-based reimbursement 

• Real responsibility & hands-on experience – make an impact from day one 

• Structured career path – strong performers advance quickly 

• Performance guidance & mentorship – continuous support throughout your assignment 

• International/regional exposure – second-year assignment in a different location