Portfolio Manager

Join ENGIE as a Portfolio Manager in London

London, United Kingdom  UTC+00:00   Hybrid   Full Time   10000+   33 days ago


Company Overview


Courbevoie, France


Business Model


Electricity generation and distribution, natural gas, renewable energy, and energy transition services.

Energy production, trading and sales, renewable energy projects.

Locations & Geography

Operates in over 70 countries worldwide, including significant presence in Europe, North America, Latin America, and parts of Asia and Africa.

Company Culture

Committed to energy transition, aiming for zero-carbon as a service to its clients.

Supportive of innovation and sustainability, encouraging a progressive approach towards energy solutions.

Offers diverse training programs and opportunities for career advancement within the energy sector.

Activities & Projects

Expansion in renewable energies, such as solar and wind power projects, and significant investments in green hydrogen and energy storage solutions.

Development of advanced energy storage technologies and smart energy management systems.

Engagement in extensive decarbonization projects, aiming to reduce greenhouse gas emissions significantly by 2045.

Career Opportunities

Roles in project management, renewable energy development, and various engineering and technical positions.

Comprehensive benefits package including health insurance, retirement plans, and professional development opportunities.

Contact Information

LinkedIn, Twitter, Facebook

Careers at ENGIE

ENGIE is a global reference in low-carbon energy and services. With almost 100,000 employees, its customers, partners and stakeholders, the Group is committed to accelerate the transition towards a carbon-neutral world, through reduced energy consumption and more environmental-friendly solutions. Inspired by its purpose (“raison d’être”), ENGIE reconciles economic performance with a positive impact on people and the planet, building on its key businesses (gas, renewable energy, services) to offer competitive solutions to its customers.

GEMS (Global Energy Management and Sales) is one of the global business units of ENGIE. Specializing in energy markets, GEMS’ mission is to ensure the competitiveness of ENGIE’s business units and to develop its own franchise with external customers, through a comprehensive range of services related to risk management, energy asset optimization and trading. GEMS manages over all time horizons one of the largest and most diversified energy portfolios, including electricity, natural gas, coal, oil products, biomass, CO2 and environmental products and has a presence in key energy marketplaces.

Energy Management UK develops GEMS’ activities in the UK and Ireland. GEM UK is currently expanding and so if you don’t believe you are a good match for this role but still have an interest in joining us, do not hesitate to contact us as we may have a role that matches your talents.

Role Purpose

Provide asset risk management services to internal clients across all time scales from the long term through to delivery.

Main Activities

  • Asset Representation
    • Model renewable power generation, power storage and biomethane production assets in cooperation with quants & traders
    • Provide a realistic expected value of the future revenues of these assets (including their flexibility and constraints). Forecast revenue margins, running hours and production volumes
    • Quantify the uncertainties around these metrics.
  • Assets support on risk management
    • Support assets and provide educated views on securing the value and reducing risks identified through asset representation, proposing a risk mandate and shaping decision making related to future hedging actions.
    • Active engagement with senior management of ENGIE’s internal Global Business Units (GBUs) “owning” the assets (eg FlexGen GBU covering flexible generation, Renewable GBU covering renewable generation and Networks GBU ).
    • Working in collaboration with internal market analysts, share markets’ updates when relevant with the GBUs.
  • Hedge execution
    • Execute agreed hedging strategies on behalf of all assets, transacting with internal Trading teams.
  • Commodity Mgt
    • Where appropriate, manage the physical fuel capacity and stock for the assets.
  • Maintenance planning
    • Assist assets in optimisation of flexible maintenance programs to ensure that the asset is more available during periods of system need, whenever possible.
  • P&L reporting
    • Report financial performance of the assets in coordination with Finance and other operational teams.
    • Report on asset valuations and changes in value for the assets.
  • Studies
    • Conduct valuation and sensitivity studies on asset related products or initiatives (e.g. (dis)investments, flex increase, maintenance shifts, combining renewable with non-renewable assets)
    • Support regulatory teams in strengthening lobby arguments through analysis and expertise


  • Team based in London, Liverpool Street area. Flexible/hybrid working is available
  • BP Energy Management UK: Team V&A (Valuation and Analysis)
  • EC MAS (Markets, Assets, Supply)


  • Client centricity: communicate with our current and new clients, share strategy and results, challenge the needs, and coordinate the client requests within Energy Management UK
  • Team player: foster good collaboration and communication within the team and internally to share the understanding and operational responsibility of the full value chain of a power asset
  • Digital: continuously search for improvement and simplification of tools, processes and methodologies.

Interaction Scope

  • Energy Management UK front office teams (Trading & Origination, Shift team)
  • Energy Management UK support teams (Within V&A, IT, Finance, Risk)
  • Clients (Flexgen GBU UK, Renewable GBU UK, Networks GBU UK)
  • External bodies (eg NESO)



  • Understanding of commodity market fundamentals, preferably power
  • Excellent written and spoken English
  • Digital mindset, motivated to simplify and automate processes and reporting
  • Strong communicator, with an ability to engage clients and colleagues effectively
  • Collaborative approach to problem solving
  • Confident decision maker, aware of the value at stake
  • Structured and analytical approach
  • Higher education, or appropriate experience.

Preferred, some aspects will be learned:

  • UK Power market experience
  • Portfolio Management experience
  • Advanced understanding of risk management systems
  • Options pricing
  • Expert in Python, experienced in version control and pipeline management
  • Understanding of generation assets, power plant representation and appropriate hedging strategies
  • Gas market experience
  • University degree in a quantitative area (eg IT, engineering, mathematics, economics)

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About the role

Jun 19, 2024

Full Time


Dec 11, 2024



London, United Kingdom

Skilled (3-15 years)


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