Drive change that matters. Build the partnerships shaping a sustainable future. 

• Do you want to work with leading organizations to help them achieve their sustainability ambitions? 

• Do you want to be part of a team recognized as a sustainability leader, driving impact through strategy, innovation, and collaboration? 

• Are you excited to build lasting relationships with industry leaders and help guide their transformation journey? 

• Are you ready to turn your business acumen into real sustainability impact for people and the planet? 

THE ROLE 

As a Sustainability Manager focusing on client relationships, you’ll lead client engagements, manage major accounts and complex projects within the Pharmaceuticals sector. You’ll play a key role in growing business by cultivating strategic partnerships, identifying new opportunities, securing new business and co-creating solutions aligned with client needs. You will contribute significantly to the company’s revenue growth and strengthen our market presence in the sector. 

You’ll craft and implement account strategies that reflect client priorities and sustainability goals, working closely with internal experts to ensure quality and consistency across delivery. You’ll collaborate with experienced consultants, and junior colleagues to deliver impactful work — primarily within your sector, while occasionally contributing to projects across other areas. In doing so, you’ll continue building your consulting and relationship management skills in a collaborative, purpose-driven environment. 

You’ll also mentor junior colleagues and may progressively take on line management responsibilities to support their growth and development. 

WHY YOU’LL LOVE QUANTIS 

Quantis, a BCG company, is a leading sustainability consultancy helping organizations address complex environmental challenges. For two decades, our expert team has partnered with organizations across the globe to bring sustainability into strategy, decision making, and action. We guide companies from ambition to action by uniting the latest science with strategic insights, helping them navigate complexity, make progress on sustainability priorities and create lasting value.    

 United by a shared commitment to making meaningful progress, our 250+ professionals embody a unique, collaborative culture that we call the Quantis Spirit. We are innovative. We are impact-oriented. We are science-driven. We are Quantis.   

 Learn more about Quantis and our mission.   

ARE YOU READY TO LEAD SUSTAINABILITY PROJECTS AND GUIDE TEAMS? 

• You’re eager to apply your consulting capabilities, sustainability experience, business development, and client relationship skills to our mission of bridging sustainability and business value. 

• You have 4-8+ years of work experience relevant to the role, with exposure to sustainability and/or consulting for Pharma/Life Sciences companies and a relevant network in this sector.  

• You’re actively shaping your long-term path as a business development professional and feel confident to manage accounts arounds Pharma topics. 

• You have a good understanding of key challenges in Pharmaceuticals sector. 

• You have proven experience in project management.  

• You have solid knowledge of Excel and PowerPoint. 

• You bring a Master’s degree or equivalent experience that equips you to guide companies to understand and design transformative and science-based strategy (Environmental Science, Engineering, Business, Economics...). 

• Whatever your background, you’re intellectually curious, have a science-based mindset, and motivated to learn and grow. 

• You’re motivated for teamwork and can coach, teach and mentor team members with your knowledge and skills.  

• You’re confident using generative AI tools, while maintaining a critical and thoughtful mindset. 

• You communicate effectively in fluent English. French and/or German would be a plus.  

WHAT YOU MIGHT ALSO BRING TO THE ROLE 

• Additional knowledge in further corporate sustainability topics and/or sectors other than your specific sector. 

• Good knowledge of sustainability frameworks relevant to Pharma. 

WHEN YOU MIGHT BE READY FOR THE NEXT STEP 

As you develop and manage projects, you’ll be ready to lead large teams to deliver complex projects and to own senior client relationships, being the primary contact and trusted advisor for clients. Your next step will be Sustainability Principal, where you’ll drive business development at a strategic level across your sector.  

SOME OTHER DETAILS TO CONSIDER 

• Contract: Permanent 

• Location: Lausanne or Zurich. Hybrid working scheme. You might be expected to work at the client’s office and/or to travel there at times.  

• Start date: Q3/Q4 2026 

• Punctual collaboration with other Quantis branches (France, Germany, Italy, USA) via web-conference 

Unlocking the Potential of All Quantisians 

At Quantis, Unlocking Potential means empowering our employees to thrive, enabling them to drive our mission and manifesto forward—creating meaningful impact for people and the planet. 

We aim to achieve this by nurturing a culture rooted in collective action, and shared purpose, where diversity is cherished, inclusion is lived, mental wellbeing is supported, and opportunities are open to all.  

This extends to our clients, their clients, and their entire value chain as sustainable thinking and collective representation are integral components of our purpose to transform the way that businesses operate. 

This is how we commit to our people, live our manifesto, and shape a sustainable future - together.