ClientEarth is looking for a Philanthropy Manager

Application Deadline: 20 July 2026

Department: External Affairs

Employment Type: Permanent - Full Time

Location: Brussels

Address: 60 Rue de Trone (3rd floor), Brussels, Brussels, 1050

Workplace type: Hybrid

Compensation: €4,521 / month

Reporting To: Clea Ferguson

Are you interested in playing your part in making a difference to our world? Come and join our team as a Philanthropy Manager - we are hiring here at ClientEarth!

This role offers the chance to join a high‑performing, deeply collaborative Philanthropy Team within ClientEarth’s Development Department, working closely with major donors, trusts, and foundations across multiple countries.

Important dates to Note: Applications close on 20 July 2026 and if you are requested to submit additional information, the deadline to have this submitted is the morning of 22nd of July for your application to be fully considered. Please also remember to check our recruitment process section at the bottom of the advert to get acquainted with our recruitment process for this role.

Key Responsibilities

• Build a resilient donor pipeline and manage prospects and donors through each stage of the pipeline.
• Actively solicit and manage donor relationships across assigned portfolio to achieve global philanthropy income target with a focus on building new income and unrestricted income
• Work with the Global Head of Philanthropy and Lead to implement agreed fundraising strategies across geographies
• Collaborating with the team to implement the Philanthropy strategy as part of the overall Global Fundraising strategy, liaising with leadership, programme leads, communications and finance to ensure ClientEarth maximises potential income from corporate, restricted and unrestricted income streams

See the job description for a full list of duties for this role.

Skills, Knowledge & Expertise

• Fundraising management experience working in major donor fundraising.
• Demonstrable experience of securing five (or higher) figure gifts as well as multi-year commitments including unrestricted income.
• Good knowledge of donor and pipeline management, and financial processes
• Previous line management experience

See the job description for a full list of duties for this role.

Job Benefits

Flexible working: We are proud to be a Flexa accredited Employer. Visit our Flexa Employer page for more information on our approach to flexible working. Our flexible working policy allows our people the choice to decide to work from home/another location in the country where their contract of employment is issued for 80% of their month, with the other 20% of their month being office-based. See our benefits page for more: Benefits | ClientEarth Careers as well as our flexible working FAQ.

Please note that ClientEarth is only able to employ those who have the pre-existing legal right to work in Belgium or the UK.

ClientEarth is not a law firm and does not provide legal advice or legal services to third parties.

About ClientEarth

We are a non-profit using the power of the law to bring about end-to-end systemic change: informing, implementing and enforcing the law, drafting and advising decision-makers on policy, building legal expertise, and ensuring citizens’ access to the laws that defend them.

We take governments to court – and win. We force polluting industries to shut down. We protect irreplaceable forests and vulnerable species. We empower people and NGOs with the legal rights to bring forward environmental battles of their own. Using the law means that we create real, long-lasting and embedded change.

We’re working to secure a lasting civilisation in which people and nature thrive together. We work in partnership across borders, systems and sectors, ingeniously using the law to protect life on Earth.

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