Portfolio Manager FR F/H/X

Overview

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 .

Job Description

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:

Responsibilities

• 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.

Qualifications

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.

Additional Information

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.