Senior Sustainability Advisory - Carbon & Climate

Apex Group Ltd is seeking a Senior Sustainability Advisor - Carbon & Climate in Amsterdam. The role involves leading carbon strategy, client delivery, and product development within the Carbon & Climate team. Responsibilities include guiding corporate GHG inventories, ensuring compliance with standards, and supporting sales growth. Apex Group focuses on building effective ESG and sustainability programs, aiming for meaningful change in the economy.
The Apex Group was established in Bermuda in 2003 and is now one of the world’s largest fund administration and middle office solutions providers.

Our business is unique in its ability to reach globally, service locally and provide cross-jurisdictional services. With our clients at the heart of everything we do, our hard-working team has successfully delivered on an unprecedented growth and transformation journey, and we are now represented by over circa 13,000 employees across 112 offices worldwide.Your career with us should reflect your energy and passion.

That’s why, at Apex Group, we will do more than simply ‘empower’ you. We will work to supercharge your unique skills and experience.

Take the lead and we’ll give you the support you need to be at the top of your game. And we offer you the freedom to be a positive disrupter and turn big ideas into bold, industry-changing realities.

For our business, for clients, and for you

Senior Sustainability Advisor – Carbon & Climate

Amsterdam, Netherlands  |  Carbon & Climate Practice  |  Fulltime

About Apex/Holtara

Our economic system has delivered unprecedented prosperity — but often at significant environmental and social cost. The time has come to forge a new path and transition to a more sustainable economy.

Holtara is leading the way in building effective ESG & sustainability programs, combining expert advisory with award-winning platforms. For over 15 years, we’ve empowered investors, managers, and companies to leave a legacy they can genuinely be proud of. As part of the global Apex Group, our 150-strong team spans Amsterdam, London, the US, Spain, and India — united by a shared ambition to drive meaningful change.

We offer a unique combination of advisory and technology services across the investment lifecycle, helping businesses make a real impact today for a more sustainable tomorrow.

Our Carbon & Climate (C&C) team underpins everything from corporate footprinting to sector-leading decarbonisation pathways.

The opportunity

As Senior Sustainability Advisor – Carbon & Climate, you will be the thematic lead for C&C. You’ll own the technical backbone of our offering, steer high stakes client engagements and work hand-in-glove with Sales, Growth and Product teams to sharpen propositions and embed carbon intelligence in the Holtara platform.

The list below sketches what success looks like for each pillar and how much of your time might be allocated to them:
• Subject matter leadership (35 %): Holtara is recognised for thought leadership; internal teams rely on your guidance; methodologies stay ahead of standards.
• Client delivery (30 %): Flagship footprinting and decarbonisation projects meet targets, delight clients and generate case studies.
• Sales & growth support (20 %): Complex bids close faster with higher win rates; you join key pitches and shape solution architecture.
• Product development (15 %): New carbon modules, datasets and AI-assisted tools release on schedule and align with client needs.

Key Responsibilities
• Guide carbon strategy & delivery
• Act as Engagement Lead for corporate GHG inventories, SBTi-aligned roadmaps, Scope 3 deep dives, climate risk assessments and sector decarbonisation studies.
• Ensure consistency with GHG Protocol, SBTi, PCAF, TCFD and emerging standards.
• Shape go-to-market
• Partner with Sales and Growth to qualify opportunities, craft proposals and present tailored carbon solutions to C-suite stakeholders.
• Translate complex requirements into clear statements of work and delivery models.
• Own methodological excellence
• Update and refine Holtara’s footprinting calculators, emission factor libraries, and scenario tools.
• Lead internal training sessions to raise carbon literacy across the Amsterdam office and wider firm.
• Co-create product features
• Work with Product & Engineering to design data pipelines, what-if decarbonisation simulators and AI-powered insights.
• Pilot new modules with lighthouse clients; gather feedback and iterate.
• Thought leadership & advocacy
• Publish white papers, speak at conferences and represent Holtara in standard setter working groups.

What You Bring
• Deep carbon expertise. 5+ years in carbon accounting, climate strategy or related consulting; mastery of GHG Protocol, SBTi methodology and Scope 3 best practice.
• Delivery track record. Demonstrated success leading multimarket carbon or net-zero engagements for large corporates or financial institutions.
• Commercial instincts. Comfortable partnering with Sales to shape value propositions, price complex work and close deals.
• Product affinity. Experience collaborating with software or data teams to embed carbon logic into digital tools.
• Communication finesse. Able to distil technical detail into board ready narratives in English; Dutch language skills highly valued.
• Facilitative leadership. Enjoy mentoring consultants, running workshops and creating a culture of continuous learning.
• Education. Bachelor’s or Master’s in Environmental Science, Engineering, Sustainable Energy, Physics, Economics or a related field.

Disclaimer: Unsolicited CVs sent to Apex (Talent Acquisition Team or Hiring Managers) by recruitment agencies will not be accepted for this position. Apex operates a direct sourcing model and where agency assistance is required, the Talent Acquisition team will engage directly with our exclusive recruitment partners.