The purpose of this role is to drive and oversee the delivery of the assigned projects to ensure that the objectives are clearly defined and achieved within the agreed time, cost and quality constraints. Job Description: About the role We are seeking a highly organised and proactive Sustainability Manager to support the delivery of our sustainability strategy by coordinating key initiatives, including managing our volunteering activities and overseeing the relationship with our external service provider. The role is ideal for someone with exceptional project and stakeholder management skills who is passionate about making a positive social and environmental impact. While you donât need formal training or prior experience in sustainability, a strong interest in the field and a desire to drive meaningful change are essential. Key Responsibilities Volunteering Project & Campaign Management Lead the end-to-end project management of our annual volunteering campaign. Coordinate timelines, resources, provider and internal communications, and reporting to ensure smooth delivery. Collaborate with internal teams to promote participation and maximise engagement. Monitor campaign performance and implement improvements year-on-year. Provider & Stakeholder Relationship Management Act as the primary point of contact for our volunteering service provider. Manage the day-to-day relationship, service levels and issue resolution. Build effective relationships with internal stakeholders across departments and seniority levels. Ensure clear, consistent communication and alignment between all parties. Manage internal comms related to Sustainability, partnering with the Comms team and ERGs (employee resource groups) to promote Sustainability activities across the business Environmental Reporting Support Assist with gathering and organising environmental data for internal and external reporting. Support compliance with relevant sustainability frameworks and organisational requirements such as ISO 14001 and ISO 50001. Contribute to continuous improvement in data quality, reporting processes, and transparency. About You Essential Skills & Experience Strong project management experience, with the ability to plan, execute, and evaluate initiatives. Excellent organisational skills and attention to detail. Proven stakeholder management experience, including coordinating multiple teams. Ability to manage competing deadlines and work efficiently. Clear and confident communication skills. A passion for creating positive social and environmental impact. A collaborative, solution-focused mindset and a willingness to learn and develop. Desirable Attributes Experience with employee engagement initiatives. Working within community initiatives/sustainability programmes is advantageous but not required. About dentsu Taking a people-centred approach to business transformation, we use insights to connect brand, content, commerce and experience, underpinned by modern creativity. As part of Dentsu Group Inc. we are headquartered in Tokyo, Japan and our 65,000 employee-base of dedicated professionals work across four regions (Japan, Americas, EMEA and APAC). Dentsu combines Japanese innovation with a diverse, global perspective to drive client growth and to shape society. Diversity, equity, and inclusion sits at the heart of our Social Impact strategy â our fully integrated sustainability strategy which includes our ambition to build a fair and more equal society, where everyone is equipped to thrive. Inclusion and Diversity At Dentsu, we embrace diversity and inclusion, valuing the unique perspectives and contributions of every individual. We believe that diversity fuels creativity and innovation, benefiting our employees, partners, and communities. We welcome applications from all individuals, regardless of race, ethnicity, nationality, religion, gender, gender identity, sexual orientation, age, disability, marital status, or any other protected characteristic. Beyond recruitment, we strive to create an environment where everyone feels respected, supported, and empowered to bring their authentic selves to work. We recognize the importance of work-life balance and are open to discussing flexible working arrangements for all roles. If you need reasonable adjustments due to a disability or medical condition during our recruitment process, please contact us at [email protected], quoting the reference number of the role that you are applying for. Your needs will be handled with respect and confidentiality to ensure an inclusive and accessible experience. Location: London Brand: Dentsu Time Type: Full time Contract Type: Permanent Canât find a suitable job? Sign up for job alerts tailored to your interests and be first in line for new opportunities. About dentsu For over 120 years, innovation has been a core tenet of our offering â exploring new ways to reach, engage and nurture relationships with audiences. Together we drive a multiplier effect for clients at a global scale, through the development of Integrated Growth Solutions that are underpinned by our promise to clients: innovating to impact. Be a force for good. Sustainability is a vital part of our business and an important area of focus for our clients. Weâre leading the way â helping to build a more sustainable planet. Dream loud. In this moment of transformation, we need our people to be fearless, embracing change and ambiguity, driven by the love for their work and excitement for the future. Team without limits. We create opportunities for connection and collaboration between our colleagues and clients, building a sense of belonging and having some fun along the way. 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