Portfolio Manager France F/H/X

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 the agility of a scale-up with the stability of a global leader in ecological transformation. 

Today, we are strengthening our operations team in France and are looking for a Portfolio Manager F/H/X to support the performance and growth of our flexibility portfolio in our Paris Office in France. 

As a Portfolio Manager, you play a key role in the operational success of Flexcity’s flexibility services in France. 

You are responsible for onboarding assets, optimizing market participation, managing client operations, and ensuring reliable service delivery in a complex and evolving energy environment.

Reporting to the Country Manager, your role is structured around three main areas:

• Portfolio Operations & Market Participation (≈40%)• Onboard new clients and assets into Flexcity’s flexibility services.

• Manage participation in TSO tenders, including capacity assessment and bidding/pricing strategies.

• Optimize asset performance across ancillary service markets.

 

• Client & Risk Management (≈35%)• Act as the main operational and technical point of contact for clients.

• Monitor service delivery and proactively identify and mitigate operational risks.

• Ensure high service quality and long-term client satisfaction.

 

• Market Intelligence & Internal Coordination (≈25%)• Track regulatory changes and market evolutions related to flexibility and ancillary services.

• Represent Flexcity in workshops and exchanges with TSOs and market stakeholders.

• Coordinate closely with Sales, Product, and other internal teams to improve processes and solutions.

You have 5+ years of experience in energy markets, operations, engineering, data, or other technical/regulated environments. 

You have a strong analytical mindset and a solid interest in power systems and market mechanisms. You enjoy working at the intersection of clients, markets, and technical systems in fast-moving environments.

 

What You Will Bring

• Technical Knowledge & Skills• Strong analytical and problem-solving skills.

• Good understanding of energy markets, power systems, or regulated environments.

• Ability to work with data and modeling tools (e.g. Excel, SQL, Python, Grafana or similar).

• Interest in market mechanisms and energy regulation; knowledge of ancillary services is a plus.

• Fluent in French and English.

 

• Personal Qualities• Delivery-oriented, pragmatic, and reliable.

• Strong team player with a “can-do” mindset.

• Proactive, curious, and comfortable in complex environments.

• Able to communicate clearly with both technical and non-technical stakeholders.

 

Interview Process

• HR / Talent Acquisition interview (video call - 45 min) – discussion of your background, motivations, and context.

• Manager interview (60 min) – deep dive on the role, operations, and market challenges.

• Case study (take-home, 1 week to do it) 

• In-person debrief (45 min) – with the Country Manager and a team member (culture & alignment).

 

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