• Update and implement the Solar sourcing strategy and contractual strategy
  • Provide market intelligence and assisting developers on business cases
  • Supporting asset managers during operations of solar projects

Why choose for Eneco?

Eneco has the ambition to accelerate the energy transition as one team, one Eneco and you can play a role too. As a member of Eneco's Procurement department and part of a small, diverse, and ambitious Asset Development & Realization (ADR) Team the (Senior) Investment Buyer will support Eneco's business across the development, realization, and operations of solar projects.

What you’ll do

The Sr. Investment Buyer oversees supporting the team to update and implement the Solar sourcing strategy and contractual strategy. With the guidance and support of the team, the SIB should be able to present the sourcing strategy, rational and award criteria of his/her tenders towards the procurement board and relevant stakeholders from the AD&R business unit. The SIB directly reports to the Head of Procurement AD&R.

Is this about you?

You work together as a team to realize one mission. You are proactive in helping to accelerate the energy transition. You create space to exchange insights and opinions with colleagues and you take responsibility for contributing to the joint plan. In addition, you have:


  • Experience negotiating and managing EPCs and contracts for large (solar) projects.
  • Experience with contract tendering and negotiations (strategy, leadership): preparation, coordination and management of tenders, contract negotiation, leadership, proactive report to Head of Procurement ADR, good communication skills and sense of adequate escalation.
  • Excellent spend, claims and variations management in projects.
  • Experience with managing, coordinating, and optimizing commercial interfaces of the project.
  • Commercial acumen.
  • Resilience, adaptability in an evolving organizational structure, independency and leadership welcomed to help structure of new organization.


  • Preference for a strong project central procurement professional with a strong performance history and passion for renewables. 
  • Technical or Business University degree (MSc., MBA) or equivalent.
  • 5+ years of contracting and procurement experience (High CAPEX/ technical / EPC contracts for solar projects).
  • 3+ years of hands-on post- award contract management of complex EPCs and related solar project contracts.
  • Team player, "Can do" mentality and capacity to make complex ideas simple are a must.
  • Experience with new ventures/ new project is preferred. 
  • Advanced negotiations skills.
  • Strong understanding of the risks of the contract(s) and the potential legal and financial consequences associated therewith.
  • Suppliers' performance management experience. 
  • Effective communicator with proven ability to collaborate and integrate across multi-disciplinary teams.
  • Strong commercial and analytical skills.
  • Hard-working / committed.
  • Fluent in English and Dutch (oral and writing) is required.
  • Able to work in our Rotterdam office, with certain flexibility.
  • Available at reasonably short notice.

You’ll be responsible for

The SIB plays a front-line role towards the business units of Eneco and will support primarily the following departments:

  • The Development Department, by providing market intelligence to developers and assisting developers on strengthening business cases for potential projects.
  • The Realization Department, by conducting procurement activities (should be able to independently initiate, coordinate and manage tenders -ITT, clarifications and qualifications stages, contract negotiations, award, and contract execution) in close collaboration with development and realization departments, as well as to continue in post-award stages acting as contract manager supporting project managers during the construction of his/her projects
  • The Operations Department, by acting as contract manager also supporting asset managers during operations of solar projects seeking to maximize the value of the projects.

This is where you’ll work

The Procurement department is responsible for the entire procurement within Eneco, divided into three categories; Professional Services, Asset Operations, IT and Innovation, Asset investment and Realisation.

The Senior Investment Buyer function is part of the Asset investment and Realisation category.

What we have to offer

Gross year salary of
between and

Including 8% holiday allowance, a good pension and parental leave.

FlexBudget on top of
your gross salary

Have it paid out, use it to buy extra holiday days or save it up for something nice - it's up to you.

Personal and professional growth

Eneco is fully committed to help you in your personal and professional development.

Hybrid working, at home or in the office

You work 40% at the office and 40% at home. The other day you decide what works best for you.

Working at Eneco is for everyone

Our customers are diverse, and so are we. More than 3,000 Eneco-talents ensure an open, pleasant culture in which everyone can grow and thrive. In this way we create the ideal situation for creative insights and innovative solutions. And we can use that to achieve our ambitious mission: to be climate neutral by 2035. You know what the fun is? We can never have enough talent at Eneco. So get in touch and apply. 

Werken bij Eneco is voor iedereen
Samen naar klimaatneutraal

Together towards climate neutrality

Ask a colleague about our joint mission and you will hear it again and again: Eneco wants to be climate neutral by 2035. Everyone works together to realize this ambition. We help customers switch to sustainable energy with good advice and smart, affordable products. We develop wind farms, install large solar roofs and invest in heat networks. We see opportunities everywhere. Are you in?

This is how the application procedure goes

Want to know more about this job function?

Would you like to know more about this vacancy at Eneco? Celia Leyva, our Head of Procurement - Asset Development & Realization, will be happy to answer your questions via 06-43257544.

For more information about the application procedure please contact our recruitment assistants via [email protected].

Applying straight away? Of course you can also apply via our recruitment system. Click on the 'apply' button and send us your CV with motivation. You will receive a response as soon as possible.

An online assessment and a (pre-) employment screening are part of the selection procedure.

Acquisition in response to this advertisement is not appreciated.

Questions about the application procedure

Feel free to contact our recruiter:

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Met deze vacature willen wij zelf een nieuwe Eneco collega werven. Dit is dan ook geen oproep voor acquisitie.