Job Description

At Flexcity, we help the European power system become smarter, more flexible, and more sustainable by connecting industrial assets (batteries, e-boilers, heat pumps, data centers…) to energy markets.

A subsidiary of Veolia Group, we combine scale-up agility with the stability of a global leader. As we scale our 3GW portfolio across multiple European markets, tech and operational excellence are core business drivers, powering optimization and financial performance across Europe.

We are looking for a Portfolio Manager F/H/X to join our Amsterdam office.

As Portfolio Manager, you will report to the Country Operations Manager and take full ownership of the Dutch energy portfolio — optimizing its performance, maximizing its value, and ensuring seamless operations across all assets.

Your role sits at the intersection of energy markets, asset operations, and client relationships. You will work in a high-autonomy environment where your decisions have a direct financial impact.

Your role is structured around three main areas:

• Operational Management
  • Define and execute the bidding strategy across ancillary services and wholesale markets to maximize portfolio value
  • Monitor asset delivery and apply proactive risk management
  • Onboard new assets in collaboration with the engineering team
  • Participate in the on-call rotation to ensure operational continuity outside regular working hours
• Account Management
  • Build and maintain strong relationships with clients and partners
  • Proactively address customer needs to drive satisfaction, reduce churn, and foster long-term growth
  • Act as a trusted point of contact for your client portfolio
• Reporting & Settlements
  • Report and communicate operational results to customers and partners
  • Manage financial settlements across the contractual stakeholders of your portfolio
  • Ensure accuracy, transparency, and reliability of financial outputs

Qualifications

Experience & Technical Skills

• 5+ years of experience in the energy sector, with strong expertise in electricity markets

• Solid knowledge of ancillary services and wholesale power trading

• Deep understanding of flexible energy assets: battery storage, co-generation (CHP), renewables

• Proficiency in financial settlements and contract management

• Hands-on experience with Google Cloud Platform (GCP) and solid SQL skills

• Fluent in English; Dutch is a strong plus

Soft skills

• Strong communication and stakeholder management skills

• Analytical mindset, comfortable interpreting complex data and turning it into decisions

• Intrapreneurial and proactive: you take ownership and move things forward

• Positive, pragmatic, and professional attitude

• Comfortable in fast-moving environments : you adapt quickly, think outside the box, and enjoy sharing knowledge

Additional Information

Benefits

• Highly competitive remuneration package

• Company car or flexible mobility arrangement

• 30 days of annual leave

• Additional paid time off through the on-call remuneration framework

• Performance-related bonus aligned with company and individual objectives

• A collaborative, multinational team with high technical standards

• Strong opportunities for personal and professional growth

Interview Process

1. HR / Talent Acquisition interview (45 min, remote) — Career path, recruitment context, motivations

2. Line Manager interview (1h, remote) — Deep dive on the role, team, and market challenges

3. Case study with Line Manager and a team member (1h30, in person) — Case discussion and experience debrief

As an inclusive company, Veolia is committed to diversity and gives equal consideration to all applications, without discrimination.