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Based: Islington, London – hybrid working (min 2 days office based). Location: Islington, London. We aim to create an environment where everyone can contribute to the best of their abilities. Our hybrid working approach brings together the benefits of both office-based and remote working in an inclusive way. For this role, you’ll be expected to work from our Islington office at least 40% of the time each week. Reasonable adjustments will be made to support individual needs.

Greenpeace UK is an independent national/regional organisation within the global Greenpeace campaigning network, which acts to change attitudes and behaviour, to protect and conserve the environment and to promote peace. The global network of Greenpeace organisations comprises 26 independent national/regional Greenpeace organisations with presence in over 55 countries across Europe, Africa, the Americas, Asia and the Pacific, as well as a coordinating and supporting organisation, Greenpeace International.

Are you an experienced HR generalist looking for a role that combines hands-on operational practice with real strategic impact? This could be the opportunity for you. We're looking for a Senior HR Adviser to join our dedicated People & Culture team at an exciting point in our journey — midway through delivering our ambitious 3-year People & Culture strategy. You'll work closely alongside a fellow Senior HR Adviser, providing high-quality guidance to staff and managers across a varied caseload that spans the full employee lifecycle.

What You'll Be Doing

This is a broad and varied role that sits at the heart of our People & Culture team. Day to day, you'll manage a diverse caseload spanning the full employee lifecycle — from employee relations, performance and conduct management, and sickness absence, through to recruitment, onboarding and staff welfare. You'll provide expert, practical guidance to managers and leaders, helping them navigate complex people issues with confidence, and knowing when to escape where legal or reputational risk requires it.

You’ll be a key point of contact for our UK-based international staff, building relationships with Greenpeace International and NRO People & Culture teams to ensure coordinated, effective support — including advising on hosted staff contracts and managing visa sponsorship processes where needed. This is an exciting opportunity to play an active role in shaping new HR management arrangements for international staff and establishing support structures for multidisciplinary global teams.

Alongside your casework, you'll contribute meaningfully to our People & Culture strategy — getting involved in policy development, inclusive recruitment practices, learning and development initiatives, and our D&I and anti-racism agenda, working closely with the D&I & Anti-Racism Lead to research, design and implement best practice HR solutions.

Data and insight are central to how we work. You'll be a confident user of our HRIS (Cezanne), drawing on HR data to identify trends, surface risks and make clear recommendations that feed into our key results and strategic priorities. You'll also contribute to the continuous improvement of our HR services — streamlining processes, refining policies and finding smarter ways of working.

Who We're Looking For

You’ll bring solid generalist HR experience — ideally at Senior HR Adviser or HR Business Partner level — alongside strong working knowledge of UK employment law and its practical application. CIPD qualified or equivalent experience, you’ll have a track record of managing complex casework and achieving positive outcomes.

You’ll combine critical thinking with a collaborative approach, and have the confidence to represent HR credibly across the organisation — coaching and influencing managers and directors at all levels. A genuine commitment to diversity, inclusion and anti-racism is essential, as is the ability to work across a global organisation and actively model our values in everything you do.

Working alongside a talented team including our Deputy Director of HR Operations, HR Leadership Partner, People & Culture Director, Learning & Development Manager and HR Coordinator — you'll help make HR a trusted, high-quality partner across Greenpeace UK.

We give you:

You’ll be encouraged to develop both personally and professionally, taking advantage of the wide range of learning and development opportunities available to our staff. We offer great benefits such as a generous pension scheme, subsidised lunches, free yoga and a wealth of well-being resources, just to name a few. Take a look at our Work for Greenpeace pages to find out more about what it’s like to work for us and why you should apply.

Our commitment to diversity

We acknowledge that people from certain backgrounds are under-represented in environmental and campaigning organisations and we’re committed to doing what we can to correct this. One of our Anti Racism Plan objectives is to proactively achieve stronger representation of people of colour, particularly within leadership positions, and we have recently published ambitious race representation targets.

As part of our commitment to increasing representation of people from underrepresented communities in the environmental sector, we are piloting a Guaranteed Interview Scheme (GIS) as a new approach to make our recruitment more equitable. If you identify as a person of colour, you can choose to opt in to the Guaranteed Interview Scheme. We will be aiming to offer everyone who opts into the scheme and meets the essential criteria a first stage interview. While we fully intend to honour this, exceptionally high application volumes may affect our capacity. If so, we will communicate clearly and keep candidates informed as we continue to learn and improve.

Greenpeace UK is an inclusive and diversity-friendly employer. We value difference, promote equality and challenge discrimination, enhancing our organisational capability. We welcome and encourage applications from people of all backgrounds and do not discriminate on the basis of disability, race, colour, ethnicity, gender, religion, sexual orientation, age or any other category protected by law.