Senior Marketing Officer

Summary

We’re looking for a Senior Marketing Officer to help deliver high-impact marketing for Climate Week NYC, our biggest, most influential flagship event. This is a unique opportunity to shape the narrative around a global climate summit that brings together business, government, and civil society to drive tangible impact.

In this role, you’ll help create standout brand moments, shaping announcements, activations, and thought‑leadership content that drives visibility and energises audiences before, during, and after the week. If you excel in high-energy environments and love turning major moments into meaningful engagement, we’d love to hear from you.

About the role

This is an exciting opportunity to support the marketing engine behind Climate Week NYC – a week-long summit that convenes hundreds of organisations, world leaders, and thousands of participants across New York City to accelerate climate action.

You’ll play a key role in the planning, development, and delivery of the event marketing, to build anticipation, drive participation, and capture the energy of the week as it unfolds. From crafting compelling narratives and creative content to amplifying real‑time moments across digital channels, you’ll help ensure Climate Week NYC reaches, inspires, and mobilises diverse global audiences.

Reporting to the Senior Marketing Manager, you’ll combine a passion for digital content, storytelling, insights, and data‑driven thinking to strengthen our influence and reach, helping to deliver Climate Group’s mission: accelerating climate action at speed and scale.

Key responsibilities will include:

Event delivery and amplification

• Help shape and deliver event launches, announcements, and partner activations, amplifying our brand and strengthening the visibility of flagship moments.
• Support key marketing workstreams, coordinating stakeholders and timelines to ensure audience journeys, event touchpoints, and messaging are aligned and consistently engaging.
• Develop content and storytelling formats that extend the life of live event moments, transforming on-the-ground activity into ongoing digital engagement.

Social media excellence and innovation

• Help deliver a drumbeat of social content for Climate Week NYC across LinkedIn, Instagram, and other priority channels, ensuring we remain a top-tier voice during the world’s biggest climate event.
• Deliver end-to end paid social campaigns that maximise budget and deliver results to engage our key audiences across industries and regions.
• Use real-time insights and performance data to shape creative iterations.

Compelling content and thought leadership

• Produce compelling thought leadership – articles, newsletters, interviews – that amplify Climate Week NYC’s themes and outcomes and elevate Climate Group’s global voice.
• Experiment with innovative content formats tailored to Climate Week NYC, such as visual explainers, behind-the-scenes storytelling, and speaker highlight packages, to create high-impact narratives for diverse global audiences.

Data, insight and strategic learning

• Manage the tracking and interpretation of social media, web, and channel analytics for Climate Week NYC, using dashboards to surface insights that strengthen event-based content strategy.
• Use insights to refine targeting, messaging, and channel mix in real time.
• Produce post-event performance reports that demonstrate impact to stakeholders and shape future creative direction for Climate Week NYC and other flagship events.

You’ll work in a highly collaborative, international environment, where a diversity of perspectives and experiences is valued and encouraged.

About you

We value strengths and a passion for learning – if you meet most of the criteria below, we encourage you to apply.

Essential

• Experience delivering marketing for international events or campaigns.
• Exceptional copywriting skills, with the ability to craft sharp, engaging digital content.
• Strong understanding of social media channel optimisation, and platform trends.
• Experience developing and managing paid campaigns.
• Experience building and sending marketing emails
• Strong project management across multiple workstreams, stakeholders, and timelines.
• Ability to engage confidently with senior figures and translate their insights into compelling content.
• Comfortable using analytics to shape creative, strategic thinking.

Desirable

• Familiarity with HubSpot or similar CRM-platforms.
• Ability to produce and edit short-form, video-first content.
• Experience collaborating with influencers, ambassadors, or external creative partners.
• Understanding of climate, sustainability, or global policy.

About Climate Group

Climate Group drives climate action. Fast. Our goal is a world of net zero carbon emissions by 2050, with greater prosperity for all.

We focus on systems with the highest emissions and where our networks have the greatest opportunity to drive change. We do this by building large and influential networks and holding organisations accountable, turning their commitments into action.

We share what we achieve together to show more organisations what they could do. We are an international non-profit organisation, founded in 2004, with offices in London, Amsterdam, Beijing, New Delhi and New York.

Climate Group is an international organisation, and we want to reflect that in our staff. People who work for us, and people who apply, need to feel heard, safe, and included. That is why we are committed to equity, diversity and inclusion throughout our application process and in our offices. We encourage applications from people of all ages, gender identities, sexual orientations, abilities, and ethnicities, as we value a wide range of experiences and perspectives.

Where you’ll work

Based in our London office, near the iconic Tower Bridge, you’ll enjoy a flexible hybrid working arrangement of five days in the office over the fortnight.

Our office is designed to support both collaborative work and focused individual time. It includes accessible facilities, a well-equipped gym, secure bike storage, and showers. Plus, we’re easy to reach by bike and public transport.

The role will require occasional international travel.

What we offer

At Climate Group, our people are at the heart of what we do. You’ll join a global community of bold, ambitious doers committed to driving climate action fast.

This is a 6-month fixed-term contract with the possibility of extension. The salary offered is £33,610 to £36,970 per annum (FTE), based on experience.

Many of our people work flexibly in different ways, including part-time. Please talk to us at interview about your preferred ways of working and if it works for the role and the team, we’ll do our best to accommodate.

To enable sustainable high performance in support of our mission, while prioritising the health and wellbeing of our people, we offer a 9-day fortnight. This is a way of working that encourages smarter planning and effective prioritisation, where each fortnight includes either a scheduled non-working day or a bank holiday. It is a flexible, non-contractual benefit that may adapt around business needs and periods of higher workload.

Beyond working alongside friendly, motivated colleagues who will support and challenge you, we offer a fantastic benefits package:

• Generous holiday allowance: 25 days annually, plus public holidays and 3 extra days for our Christmas to New Year closure
• 10% employer pension contribution: Non-contributory scheme available after three months’ service
• Long-service reward: An additional day’s holiday after three and six years with us
• Flexible and hybrid working: Supporting your work-life balance
• Comprehensive health benefits: Cash plan and private medical insurance after completing probation
• Family-first policies: Enhanced maternity, paternity, and adoption leave, plus support for fertility treatments
• Wellbeing perks: Monthly wellbeing allowance and Headspace membership
• Additional leave options: Paid leave for volunteering, moving house, and getting married
• Peace of mind: Life assurance from your first day
• Cycling support: E-bike and bike loan scheme up to £1,000
• Travel made easier: Season ticket and e-bike membership loan scheme
• Investing in you: Learning and development opportunities to help you thrive in a global, purpose-driven organisation

Apply now

Ready to make an impact? Apply now with your CV and a one-page cover letter that highlights how your experience and values align with our mission.

If you need further information, would like the job advert in an accessible format, or require additional support at any stage of the recruitment process, please reach out to Rebeccah Yeadon, Senior Marketing Manager, at ryeadon@climategroup.org.

The closing date for applications is midnight GMT on Thursday 16 April 2026. We’ll be holding interviews on a rolling basis, so we encourage early applications.

To be eligible for this position, you must already have the right to work in the UK. Climate Group is unable to sponsor work visas or cover any related costs, including cases where candidates are willing to cover the costs themselves.

We will not be working with recruitment agencies for this role.