Portfolio Manager

Veolia; Greater London; Hybrid; GBP 70,000 - 110,000; Full time

Benefits offered by this job

Enhanced pension

Private medical insurance

Company car or car allowance

Health & wellbeing resources

24h virtual GP

Financial wellbeing support

Job summary

Veolia UK is seeking a capable professional to own and optimise its Capacity Market activities from the London head office, with hybrid working options. You will manage end-to-end processes, drive improvements and collaborate with cross-functional teams to deliver measurable results.

The role requires a strong background in energy markets, data analysis and software tools, with a proactive mindset to shape strategy, pilot projects and client delivery while maintaining high standards of

Qualifications

• Experience in energy markets, operations, or regulated environments.
• Strong analytical skills and interest in power systems.
• Ability to work with data and modeling tools (Excel, SQL, Python, Grafana).

Responsibilities

• Own Veolia's Capacity Market activities with quarterly milestones.
• Define scope of portfolio activities with Head of Flexibility.
• Develop strategies and pilot projects with KPIs.
• Register assets with relevant services and ensure compliance.
• Collaborate with Veolia units and external stakeholders.
• Represent Veolia UK in workshops with TSOs/DSOs and market stakeholders.
• Onboard clients and ensure high service quality.
• Improve asset performance tracking and risk evaluation.

Skills

Energy markets

Data analysis

Python / SQL

Stakeholder engagement

Problem solving

Education

Numerical degree (math/engineering/economics)

Tools

Excel

SQL

Python

Grafana

Power BI

Job description

Salary: Competitive salary plus annual bonus, car allowance, medical cover and other Veolia benefits

Location: London Head office, N1 9JY - with hybrid working offered

When you see the world as we do, you see the chance to help the world take better care of its resources, and help it become a better place for everyone. It's why we're looking for someone who's just as committed as we are, to push for genuine change and bring our ambition of Ecological Transformation to life.

We know that everyone here at Veolia can help us work alongside our communities, look after the environment, and contribute to our inclusive culture.

What we can offer you:

• Access to our enhanced company pension scheme
• Private Medical Insurance
• Company car or allowance 6,600 per annum
• Access to a range of resources to support your physical, mental and financial health, so you can lean on us whenever you need to
• 24 hour access to a virtual GP, 365 days a year, for you and family members in your household
• Stream - Employee financial wellbeing support: early access to your earned pay, savings, budgeting, financial coaching & rewards.

What you'll be doing:

• Take ownership of Veolia's existing Capacity Market activities, generating ms per year, managing all steps of the process with strong attention to detail and adherence to strict deadlines.
• Operate with a high degree of freedom in defining and refining the scope of portfolio activities, with regular steering meetings with the Head of Flexibility to align direction and set objectives.
• Develop and maintain a robust understanding of energy market direction and the evolving role of flexibility services, translating this into actionable strategies and pilot projects with defined KPIs.
• Responsible for asset registration with relevant flexibility services and ensuring ongoing compliance with participation rules, including instrumentation and data logging requirements.
• Maintain close and regular interaction with Veolia Business Units involved in and impacted by flexibility services - including Energy Markets, IWE, Treatment, Commercial, and Municipal - engaging at all levels from operations managers through to directors.
• Engage with other Veolia zones and Veolia Group to share and promote best practice in flexibility and portfolio management.
• Represent Veolia UK in workshops and forums with TSOs, DSOs, and wider market stakeholders, contributing to Veolia's external profile in the flexibility space.
• Act as the primary operational and technical point of contact for clients throughout onboarding, project delivery, and ongoing operations, ensuring high service quality and long-term client satisfaction.
• Develop, maintain, and continuously improve processes for asset performance tracking, aggregator performance monitoring, risk evaluation, potential assessment, contract management, and regulatory compliance.

What we’re looking for:

Essential:

• Thorough experience in energy markets, operations, engineering, data, or other technical/regulated environments.
• Strong analytical mindset and a solid interest in power systems and market mechanisms.
• Working at the intersection of clients, markets, and technical systems in fast-moving environments.
• 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. Operational knowledge of capacity markets is a huge addition.
• good understanding of fundamentals of flexibility markets.

Desirable:

• degree in a numerical relevant discipline (i.e. mathematics, engineering, economics)
• Specific modelling and technical skills in energy markets.
• Knowledge and comfort with modelling in Python, utilising Databricks, Grafana, Power BI or other analytical tools.

We're proud to have been named as one of The Sunday Times Best Places to Work for three consecutive years in 2023, 2024 and 2025. This consistent recognition reflects our commitment to our people, demonstrating that Veolia is not just transforming the environment, we're also transforming what it means to have a rewarding, purposeful career.

We're dedicated to supporting you throughout your application journey, offering adjustments where reasonable and appropriate. As a proud Disability Confident Employer, we will offer an interview to applicants with a disability or long-term condition who opt-in to the Disability Confident scheme, and meet the minimum criteria for our roles.

We're also committed to ensuring that all applicants and colleagues receive fair treatment without discrimination on any grounds, aiming to create a diverse and inclusive workplace where everyone can thrive.