Social Media & Content Manager
Social Media & Content Manager
Permanent, full-time position
March 2026
Reports to: Senior Brand Manager
Location: UK - remote position, with one office contact day per week (Marlow, Buckinghamshire)
About us
The Fast 800 is at a pivotal and exciting stage of growth. We are a science-led online health business with a loyal global community, a trusted legacy through Dr Michael Mosley, and a clear mission: to help people to live longer healthier and happier lives.
As we continue to grow our programme, products and digital presence, we are looking for an experienced Social Media & Content Manager to join our small, friendly and highly collaborative UK-based team.
This is a brilliant opportunity for someone highly creative, proactive and commercially minded to help shape the voice of the brand, grow our community and create content that genuinely inspires people to take action with their health.
Role description
Reporting to the Senior Brand Manager, this is a high-energy, "hands-on" role designed for a creative storyteller. You’ll be the engine room behind our organic growth, leading the strategy and execution across all social channels while working closely with team members as well as the Mosley family to build The Fast 800 community.
From scripting and filming high volumes of short-form video to brainstorming the next viral campaign or competition, you’ll turn our brand mission into engaging, thumb-stopping content. You’ll also be Mat leave caretaking a role in our paid digital strategy, testing new hooks and creative assets to see what truly resonates with our audience.
Ultimately, you’re here to bridge the gap between big-picture brand goals and daily community engagement, ensuring our voice is consistent, our content is fresh, and our reach is constantly expanding.
Responsibilities
Social Media strategy & community growth
● Lead organic social strategy and identify new channels for growth.
● Oversee design and publishing schedules across all platforms.
● Monitor and report on platform performance to iterate on what works.
● Coordinate with Customer Service for a consistent voice and strategise responses to brand challenges/narrative shifts.
● Innovate and execute brand awareness tactics like promotions and competitions.
Content production & creative execution
● Lead the creation of a high volume of video and graphic ads.
● Write scripts, develop shot lists/mood boards, and create graphic design briefs.
● Capture and source content (team, products) and repurpose it for multiple formats.
● Hands-on filming and content creation, ensuring a steady stream of fresh assets.
● Develop content assets for key launches and provide email content support.
Paid digital creative testing (Caretaker role)
● Work with the paid digital agency and Growth Manager to develop creative for paid digital and landing pages.
● Develop a creative testing roadmap; produce multiple variations of hooks, formats, and messaging.
● Implement a "test and learn" ethos to drive a greater volume and variety of assets based on performance data.
● Manage the feedback loop and final sign-off for all static and video paid assets.
Stakeholder collaboration & project management
● Work directly with key stakeholders to build their accounts and align on new content.
● Collaborate with the business unit teams and the Content Pod to ensure messaging is aligned.
● Project manage content creation across the business to ensure deadlines are met and budgets are respected.
Requirements and experience
Experience
3+ years in social media management, with a portfolio that proves they can grow organic accounts from the ground up.
Proven experience in end-to-end content production—from writing scripts and storyboarding to filming and final editing.
Experience working with (or managing) Paid Social assets. They should understand what a "hook" is and how to iterate on an ad based on its CTR.
Experience working with high-profile founders, influencers, or subject matter experts where maintaining a specific "voice" is critical.
Experience navigating brand-challenging narratives or complex community questions (common in the health/wellness space).
Skills
Proficiency in mobile-first editing tools (CapCut).
Ability to use Canva to quickly turn a brief into a graphic asset.
Comfortable using platform-native analytics and third-party tools to report on ROI.
A flair for short-form copy—writing captions that stop the scroll and scripts that keep people watching.
Attributes
Someone who is constantly scrolling for the latest trends, sounds, and algorithm shifts.
The sensitivity to work with a legacy brand and family-led accounts while maintaining professional boundaries.
This is a high-volume role. They need to be able to manage a busy content calendar without dropping the ball on stakeholder sign-offs.
Key information
● Based in the UK
● Full time position
● Comfortable working remotely
● Nb. The paid digital creative aspect of this role is caretaker until current team member returns from maternity leave
Pay: £30,000.00-£45,000.00 per year
Work Location: Hybrid remote in London