Senior Sustainability Advisor

The Apex Group is now one of the world’s largest single-source financial solutions provider, dedicated to driving positive change while supporting the growth and ambitions of asset managers, allocators, financial institutions, and family offices around the world.

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.

Senior Advisor — Sustainability & ESG

Amsterdam, Netherlands - Holtara (Apex Group)

About 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 an award-winning platform. 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 130-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.

The role

This is a client-facing advisory role for an experienced sustainability practitioner who takes ownership of day-to-day project delivery and client relationships. You will independently manage small to large engagements, lead client-facing situations and all day-to-day client contact and guide junior team members to deliver high-quality work.

You will work primarily with financial-sector clients - private markets GPs and LPs make up the majority of our work - with a growing corporate portfolio. We are looking for a strong ESG and sustainability generalist who can work across Holtara's domains and verticals, connect different areas of expertise, and confidently translate client needs into practical solutions.

You will report to an Advisory Lead and work closely with colleagues across Advisory, Holtara.io and Apex Group.

What you will do

Client delivery & engagement leadership

- Independently manage the day-to-day delivery of small and large sustainability and ESG engagements from proposal through delivery.

- Take the lead in client-facing situations and manage day-to-day client contact with investors, fund managers, financial institutions and corporates.

- Translate sustainability challenges into practical, commercially relevant solutions.

- Match the right Holtara offering to each client's situation, drawing on the full advisory and technology toolkit.

- Manage client stakeholders, anticipate project needs and build trusted relationships.

Sustainability & ESG Advisory

As a generalist, you will lead or contribute across Holtara's ESG and sustainability domains and verticals, including:

- Sustainable finance

- ESG due diligence

- Value chain sustainability

- ESG and sustainability strategy

- ESG value creation programmes

- Portfolio monitoring and ESG data management

- ESG reporting and disclosure (SFDR, CSRD, EU Taxonomy and related regulations)

Business Development & Growth

- Develop trusted relationships with existing and prospective clients, with support from senior colleagues.

- Actively contribute to commercial activities, proposals and pitch processes.

- Identify opportunities to expand client relationships and cross-sell services, working with senior colleagues to progress them.

- Contribute to thought leadership and market positioning.

Team

- Guide, coach and manage junior team members on a day-to-day basis across active engagements.

- Work independently while actively contributing to a high-quality and collaborative team culture.

- Support a high-quality and collaborative team culture.

What you will bring

- 4+ years of experience in sustainability consulting, ESG advisory, sustainable finance, or a related sustainability field; strategy consulting is deemed a plus.

- Strong experience with financial-sector clients - private markets (GP/LP) highly valued, corporates welcome as we broaden - including independently managing projects and day-to-day client relationships.

- Proven ability to independently manage engagements, lead client-facing situations and manage project stakeholders end to end.

- Broad knowledge across ESG and sustainability domains, with the ability and curiosity to work as a generalist across Holtara's verticals.

- Strong team leadership and coaching capabilities, with experience guiding analysts and other junior colleagues.

- Independent and entrepreneurial mindset, combined with a collaborative approach and willingness to contribute wherever needed.

Practical details

- Location . Amsterdam / Netherlands - hybrid, with travel to clients and Holtara offices as needed. The role requires regular in-office presence (four days per week in the office, one from home).

- Reporting line . Advisory Lead, working closely with other sustainability advisors, the technology team and Apex Group colleagues.

- Education . Degree in finance, economics, business, sustainability or a related discipline. Professional fluency in Dutch and English is required; German is a strong advantage.

Why join Holtara

This is a role for someone who wants both responsibility and room to grow. You will independently manage engagements, build trusted relationships with leading investors and companies, guide junior advisors and contribute to the growth of a collaborative advisory practice. If you enjoy combining client impact, commercial contribution and teamwork, this is an opportunity to grow something meaningful.

As a vital team member and in return for your expertise, inclusive approach and commitment, we'll provide a favourable salary and the chance to join a passionate and welcoming team. Benefits As a truly global business, we tailor benefits to each location to safeguard our people and respect local cultures and ways of working. Our people are our greatest asset, and we invest in talent development. Join our global network, and you will benefit from education support, sponsorship and in-house training programs.

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.