EY‑Parthenon – Manager, Sustainability & Decarbonization

Location: France, Italy, Netherlands, Switzerland, United Kingdom

About EY

EY is a global leader in assurance, consulting, strategy and transactions, and tax services. We help organizations build a better working world by supporting their transformation and long‑term value creation. Joining EY means being part of a collaborative, international environment where innovation, sustainability, and impact guide everything we do.

Opportunity: Manager – Sustainability & Decarbonization (EY‑Parthenon EMEIA)

Join a highly strategic team fully dedicated to Decarbonization Strategy,Climate‑Tech, and Sustainability, operating across the EMEIA region within EY‑Parthenon.
Led by Marco Duso, EY‑Parthenon’s Global Sustainability Leader, this team plays a key role in shaping the firm’s growth agenda in the transformation space and works directly with leading global organizations.

Your key responsibilities:

As a Manager, you will contribute to EY‑Parthenon’s market impact through several strategic responsibilities:

Market & Business Development

• Drive origination and market development across decarbonization, energy transition, climate‑tech and sustainability‑linked transformation themes.

• Build and refine commercial offerings, value propositions and go‑to‑market approaches in priority sectors and technologies.

Offer & Solution Development

• Strengthen EY‑Parthenon’s Sustainability & Decarbonization offerings by contributing expertise in priority topics.

• Develop perspectives, frameworks, and thought leadership.

Targeted Engagement Support

• Provide senior guidance on high‑impact transformation programs requiring deep sustainability or climate‑tech expertise.

• Shape direction, challenge assumptions, and provide solution depth on multi‑workstream client engagements.

Skills and attributes for success

We seek senior professionals who combine consulting‑caliber leadership with real‑economy sustainability transformation experience across multiple clients.

You bring:

• Experience steering large, multi‑workstream transition or decarbonization programs for corporates, investors or public entities.

• Background in top‑tier strategy consulting (Project Leader / Principal level) or a senior functional career with significant multi‑client advisory exposure.

• Ability to engage credibly at C‑suite level and generate commercial momentum in emerging sustainability domains.

• Strong ability to synthesize complex technical topics and guide cross‑functional teams across technology, operations, finance and strategy.

• Expertise in at least one advanced topic, such as:

• Adaptation & infrastructure resilience

• Industrial decarbonization (electrification, energy efficiency, low‑carbon operating models, value chains, etc.)

• AI use cases in energy and decarbonization

• Climate‑tech and/or deep‑tech scaling (advanced materials, energy storage, industrial process optimization)

Your mindset:

• Passion for climate and sustainability — this is a mission‑driven team.

• Leadership across 15–20+ sustainability or energy transition engagements with clear strategic influence.

• Commercial, opportunity‑shaping mindset with comfort in developing new offerings and building relationships.

• Experience across varied project types (strategy, transformation, operations, transaction support, due diligence).

• Ability to work effectively across geographies, sectors and EY service lines to build integrated solutions.

• Advanced degree preferred (MBA, MSc, MEng, PhD), especially related to energy systems, industrial systems, climate or climate‑tech.

What Makes This Role Unique

This is not a traditional delivery‑focused role.
You will join a dedicated transformation team responsible for shaping EY‑Parthenon’s sustainability strategy, solutions and growth engine across EMEIA, while selectively applying your expertise to high‑impact client engagements.

It is a unique opportunity to influence how some of the world’s most prominent organizations navigate their sustainability and decarbonization journeys.