
Lead / Head of Meta Special Events
We’re hiring a Meta Special Events Lead/Head of Meta Special Events to develop and oversee a portfolio of high-impact events focused on nurturing and strengthening the EA community.

Research Associate or Senior Researcher
We’re looking to grow our research team with a Research Associate and/or a Senior Researcher. As a member of our research team, you will help the team identify effective climate impact strategies—and the organizations implementing them—by conducting literature reviews, digging through data, developing quantitative models, speaking with experts, and more.

Video Editor and Motion Graphics Designer
You’ll be our go-to video guru — creating scroll-stopping content that turns heads, tugs at hearts, and inspires action. Working alongside our Video Production and Social Media Team, you’ll help us reach millions across social media audiences (eg. Facebook, Instagram, TikTok, and more) while also contributing to video content for other platforms and audiences, like email and supporter engagement materials as needed.

Lab Assistant
We are investigating the cost of achieving poverty-alleviation goals in real-world settings. We rely on survey data to run simulations. You would be helping us source, clean, and process that data.

Senior Research Manager
This is a rare opportunity to take a leading role in shaping LEEP’s future interventions. As the first Senior Research Manager at LEEP, you will play a key role in identifying, designing, and testing new strategies to eliminate lead exposure worldwide. You’ll work closely with the Director of Research and Strategy, building on LEEP’s success in lead paint elimination to explore and develop solutions for other major sources of lead poisoning such as spices and cosmetics.

Intern, Machine Learning Engineer
We are seeking a Machine Learning Engineer Intern to work alongside our research and engineering teams. This role offers hands-on experience in developing, testing, and deploying AI security solutions. You will contribute to machine learning model evaluations, build tools for AI risk assessment, and help integrate ML-driven insights into our products.

Fellow
SAIF is seeking applications for a 6 or 12-month fellowship developing and executing on projects related to SAIF’s mission. We are open to individuals with a range of backgrounds and experience in AI safety and governance who are eager to conduct high-impact work. Fellows will be welcomed as part of the team and have access to SAIF’s broad network of experts and collaborators. The fellowship is fully remote.

Strategy Lead: University Groups
We are seeking a strategic and ambitious leader to drive the development and growth of EA groups at top universities worldwide, focusing on key “pilot universities” that will serve as flagship examples.

Senior Program Officer, Abundance and Growth Fund
Open Philanthropy is seeking an experienced leader to build and lead our Abundance and Growth Fund. The Senior Program Officer will play a pivotal role in shaping the program’s strategy, identifying and funding high-impact opportunities, and cultivating a growing ecosystem of stakeholders — including researchers, policymakers, entrepreneurs, and other funders.

Impact Communications Specialist
HIA has partnered with the world’s fastest growing fitness racing movement, Hyrox, to create a powerful global fundraising movement. We're seeking a communications specialist to help drive our "Race for Impact" movement forward and amplify its global impact.

Global Experience Manager
As our Global Experience Manager, you will help to design and coordinate the end-to-end experience for thousands of participants worldwide, embedding high performance giving into the heart of HYROX’s events. You will help to lead a global movement that transforms one of the world's fastest-growing fitness sports into a powerful force for social impact.

Global Experience Leader
As our Global Experience Leader, you will design and coordinate the end-to-end experience for thousands of participants worldwide, embedding effective giving into the heart of HYROX’s events. You will lead a global movement transforming one of the world's fastest-growing fitness sports into a powerful force for social impact.

Expression of Interest
If none of the open roles is a fit for you, but you think you'd be a great future member of the Harmony team, we'd still love to hear from you. In the future, we're likely to have openings spanning Engineering, Research, Sales, Marketing, Operations, People, and more.

Senior Researcher, Animal Welfare
Rethink Priorities’ Animal Welfare Department is a hub and platform that advances and pioneers evidence-based and reason-driven change for animals. The department seeks to hire a Senior Researcher to help fulfill our mission of accelerating the end of factory farming and reducing the suffering of animals living in the wild.

Administrative Assistant
The administrative assistant will support the Executive Director, Board, and the ACE team with administrative tasks in order to expand our capacity and maximize the impact of both our individual team members and the organization as a whole.

Head of People
Open Philanthropy—an ambitious grantmaker tackling some of the world's most important, neglected problems—is looking for a mission-driven Head of People to lead our people strategy as we grow both our giving and our staff. In this role, you will oversee the development and implementation of our critical people-centered operations, including talent and performance management, business immigration, employee relations, and more.

Community Engagement Coordinator
Transform global philanthropy and make a significant impact by joining Giving What We Can (GWWC) as a Community Engagement Coordinator. In this role, you'll lead proven initiatives that encourage people to commit to effective giving through our pledge programme.

Campaign Manager - Wildlife
As our new Campaign Manager - Wildlife, you’ll spearhead the research, development, and execution of wildlife campaigns across Australia and Aotearoa New Zealand, with a strong focus on collaborating with local and international colleagues, as well as working with other animal welfare organisations.

Senior Technical Advisor, Lead Poisoning Elimination
The Senior Technical Advisor (STA), Lead Poisoning Elimination, will strategically develop, manage, and advise on RTSL's efforts on lead. This position reports to the Director of Nutrition. The incumbent will work closely with the Director and RTSL leadership to shape the program on lead poisoning at RTSL.