Senior Marketing Manager

RSMB is looking for an enthusiastic Senior Marketing Manager to join the team based in London (Hybrid – 2 days per week in the office). You will join us on a full-time, permanent basis and in return, you will receive a competitive salary of up to £62,000 per annum, based on experience. RSMB is a leading company specialising in media measurement solutions. We work with a wide range of clients delivering both long-term contracts like Barb (UK TV audience measurement) and RAJAR (Radio audience measurement), and ad hoc projects. We are proud that we have been a Barb TV audience measurement contractor since 1989 and a RAJAR contractor since 2007. Our team of around 50 people are based in Central London, and we are currently operating hybrid working: splitting the week between home and office working. The Senior Marketing Manager role: This is a fantastic opportunity to contribute to the next phase of growth for Fusion—our SaaS platform solving the challenge of siloed data in the media and enterprise space. You’ll play a key role in developing and delivering product-focused marketing, shaping how Fusion is positioned and communicated across channels, and ensuring we reach the right audiences with the right messages. This hands-on role spans brand, product, content, and demand generation—crafting compelling value propositions, producing high-impact sales materials, and running campaigns that drive awareness and lead generation. Benefits you will receive as our Senior Marketing Manager: Pension scheme 25 days holiday per annum (rising to 30 days) Private medical insurance Season ticket loan Group life and permanent health insurance. Key responsibilities as our Senior Marketing Manager will include: Strategic Marketing & Brand Awareness Building and executing marketing plans that raise Fusion’s profile across media and enterprise audiences Turning Fusion’s value proposition into clear, compelling stories that resonate with strategists, data leads, and decision-makers Sales Enablement Creating on-brand, high-impact collateral: one-pagers, meeting decks, case studies, and email templates Standardising messaging across verticals to ensure consistent, effective outreach Demand Generation Running targeted campaigns that drive inbound interest and warm up priority accounts Supporting account-based marketing efforts and collaborating on thought leadership and webinar strategies Content & Channel Management Overseeing content creation across formats, from social posts to videos to long form articles Maintaining and optimising our CRM (HubSpot) and website (Webflow) to ensure clean segmentation and seamless campaign execution What we are looking for in our Senior Marketing Manager: 5+ years\’ experience in B2B marketing, with a strong track record in SaaS or tech product environments Proven ability to simplify complex propositions and build messaging that drives commercial outcomes Hands-on experience with demand generation, sales enablement, and ABM Strong content creation skills – from social media to decks to product messaging Confident with tools like HubSpot, LinkedIn, Canva, and Webflow (or similar) Highly organised, self-motivated, and comfortable working in a small, fast-paced team A passion for the world of media, data or digital innovation is a big plus, in a nutshell, you’re strategic, proactive, creative, and technically adept. What you’ll get in return as our Senior Marketing Manager: The opportunity to shape and scale a SaaS product solving real-world data challenges Exposure to top-tier clients and cutting-edge work in media, research and analytics Hybrid working model (2 days per week in our Central London office) Autonomy and ownership in a collaborative, agile and experienced team 25 days holiday (rising to 30), private medical insurance, pension, season ticket loan, and more Please note: We are not accepting agency applications for this role. Applicants must be eligible to work in the UK. If you feel you have the skills and experience to become a Senior Marketing Manager in this exciting role, then please click “apply” now – We\’d love to hear from you