EY‐Parthenon – Director, Sustainability & Decarbonization

Sigma Earth; Union, Northern (NJ, KY); Hybrid; USD 150,000 - 230,000; Full time

Job summary

EY-Parthenon in the United States is seeking a Director to strengthen market presence through strategic responsibilities in decarbonization, energy transition, and sustainability-led transformation. You will lead market origination, shape go-to-market strategies, and develop offerings across priority sectors while engaging senior executives and guiding multi-workstream programs.

The role emphasizes deep subject-matter expertise in climate-tech, industry decarbonization, and resilience, with a

Qualifications

• Experience leading large, multi-workstream transformation programs.
• Proven ability to engage with C-suite executives and drive commercial momentum.
• Strong background in sustainability, decarbonization, or climate-tech.

Responsibilities

• Drive market origination and develop go-to-market strategies across sustainability themes.
• Lead offering development and thought leadership to support client discussions.
• Provide senior advisory guidance on high-impact transformation programs.
• Shape engagements, challenge assumptions, and add technical depth to projects.

Skills

Strategic leadership

Market development

Executive engagement

Cross-functional leadership

Thought leadership

Sustainability expertise

Job description

Your Key Responsibilities

As a Director, you will help strengthen EY-Parthenon's market presence through a range of strategic responsibilities.

Market & Business Development

• Market origination: Drive business origination and market development across decarbonization, energy transition, climate-tech, and sustainability-led transformation themes.
• Commercial offerings: Build, refine, and position commercial offerings, value propositions, and go-to-market strategies for priority sectors and technologies.

Offer & Solution Development

• Sustainability offering development: Strengthen EY-Parthenon's Sustainability and Decarbonization offerings by contributing deep expertise in priority areas.
• Thought leadership: Develop perspectives, frameworks, market insights, and thought leadership to support client conversations and market positioning.

Targeted Engagement Support

• Senior advisory support: Provide senior-level guidance on high-impact transformation programs requiring advanced sustainability or climate-tech expertise.
• Solution shaping: Help define engagement direction, challenge assumptions, and bring technical depth to complex, multi-workstream client projects.

Skills and Attributes for Success

We are looking for senior professionals who combine consulting-level leadership with real-world sustainability transformation experience across multiple clients.

You bring:

• Transition program leadership: Experience steering large, multi-workstream transition, energy transformation, or decarbonization programs for corporates, investors, or public sector entities.
• Consulting or advisory background: Experience in top-tier strategy consulting at Project Leader or Principal level, or a senior functional role with significant multi-client advisory exposure.
• C-suite engagement: Ability to engage credibly with senior executives and create commercial momentum in emerging sustainability areas.
• Complex topic synthesis: Strong ability to simplify complex technical topics and guide cross-functional teams across technology, operations, finance, and strategy.
• Advanced subject expertise: Expertise in at least one advanced sustainability or climate-tech topic, such as:
  • Adaptation and resilience: Climate adaptation and infrastructure resilience.
  • Industrial decarbonization: Electrification, energy efficiency, low-carbon operating models, and value chain transformation.
  • AI for decarbonization: AI use cases in energy, emissions reduction, and sustainability transformation.
  • Climate-tech scaling: Deep-tech or climate-tech growth areas such as advanced materials, energy storage, and industrial process optimization.