Part-time | Fully Remote | 6 Months | Paid Ecofiniti is a boutique sustainability and ESG consultancy working with purpose-driven organisations across the UK and internationally. We help companies make sustainability real, and we believe that how we communicate that work matters just as much as the work itself. We’re looking for a Marketing & Social Media Trainee to join our team for 6 months. This is a paid, part-time, fully remote internship, ideal for someone early in their career who wants to develop practical skills in content creation, social media, and visual storytelling, while gaining exposure to ESG and sustainability topics. &##As a growing consultancy, much of our marketing is still evolving. You won’t be “plugging into” a fully formed brand machine. You’ll work closely with our Business Development and Consulting team to help us build and grow our brand presence across platforms. Creating visual and written content for LinkedIn and Instagram Writing captions, post ideas, and short summaries for our content Scheduling and posting content via tools like Buffer or Meta Suite Supporting email campaign content and design Maintaining our case studies, services and content calendar This role focuses on organic content, brand building and storytelling. You won’t be expected to run paid advertising, manage complex analytics, or lead marketing strategy alone. You don’t need to know it all, but you should be someone who enjoys design, writing, and digital communication, and is open to learning fast. ✅ Writes clearly in English and can adjust tone depending on the audience Has some experience with or interest in social media for brands or causes Is curious about sustainability, ESG, or purpose-led communication Are familiar with ESG topics, sustainable brands, or climate comms Speak Spanish or Portuguese Have previously worked on content for LinkedIn or B2B audiences &##A student, recent graduate or career starter in marketing, design, communications, or sustainability Someone looking to build a strong foundation in brand and content marketing A paid freelance contract (6 months)Fully remote, flexible working hours (~25 hours/week)Exposure to real-world ESG, sustainability, and social impact content