Fractional Chief Marketing Officer; CMO Sustainability & Energy

Position: Fractional Chief Marketing Officer (CMO) - (Sustainability & Energy Sector)
Company Description

Hex Ergy is a cleantech startup building a SaaS platform that  transforms a simple signature into real energy savings  for communities. Through the  energy community model , Hex Ergy enables citizens, businesses, and institutions to collectively produce, share, and benefit from renewable energy. Our platform automates the entire lifecycle of energy communities from design and regulatory compliance to implementation and ongoing management, through dedicated software modules.
Today, Hex Ergy supports  600+ energy community projects  across  Italy, the Netherlands, and Colombia , and is actively expanding into  the United States, Spain, France, Germany, and Portugal .

Role Description

We are seeking a  Fractional Chief Marketing Officer (CMO)  who is  deeply passionate about sustainability and the energy transition , and who wants to apply senior marketing leadership to generate real-world impact. You will  own marketing strategy and key decisions , lead our marketing agency, manage the internal marketing team, and ensure that Hex Ergy’s story consistently delivers the  WOW Effect  across markets, audiences, and channels.

This is a strategic, high-impact role focused on purpose-driven growth.

what you will do

Own and define Hex Ergy’s global marketing strategy, with sustainability and energy transition at its core
Make strategic marketing decisions and set clear priorities
Lead, challenge, and coordinate the external marketing agency
Manage and mentor the internal marketing team, fostering purpose, clarity, and performance
Translate complex energy concepts into clear, inspiring narratives for citizens and institutions
Design and guide multi-country go-to-market strategies
Oversee citizen-facing (B2C) acquisition and engagement
Guide B2B, institutional, and partner marketing positioning
Define KPIs that balance growth, trust, and impact
Ensure consistent messaging that delivers the  WOW Effect  across all markets
Support investor, institutional, and strategic communications

Who you are

10+ years of experience  in senior marketing leadership roles
5+ years in cleantech, energy, climate tech, or B2B SaaS
Proven experience managing both B2C and B2B marketing strategies
Strong track record in international marketing for growing companies
Genuinely passionate about sustainability and the energy transition
Experience leading agencies and internal teams
Comfortable operating in regulated and multi-country environments
Strategic, decisive, and purpose-driven

What we offer

Fractional, part-time engagement ( ~8 hours per week )
Fully remote
Strategic leadership with focused, high-impact involvement
The opportunity to shape how sustainability is communicated globally
Direct influence on international expansion decisions
Collaboration with founders who believe deeply in impact
Autonomy, trust, and a clearly defined scope