173 Senior Social Media Manager jobs in London

If you've started to forge a career in social media and are looking for your next step, this could be for you! An exciting opportunity has arisen for a driven and creative Social Media Manager to join a vibrant, fast-paced team based in Hertfordshire. This role is perfect for someone looking to advance their career in social media management in a supportive and dynamic agency environment. You'll learn new skills and work on key projects for great clients.

The agency delivers standout campaigns that engage audiences, spark conversation and deliver measurable results. The Social Media Manager will play a key role in shaping client strategies, driving growth and ensuring their brands stand out across digital platforms. This role offers the chance to be a part of a forward-thinking agency where creativity and innovation are encouraged. If successful, you will enjoy a high level of responsibility and have clear opportunities for professional growth.

Key Responsibilities

• Creating engaging, original content tailored to client's social media channels
• Developing and leading innovative social strategies that align with client goals
• Planning and scheduling campaigns using leading social media tools
• Managing paid media campaigns, including budgets, optimisation and reporting
• Monitoring platforms and ensuring timely engagement with audiences (occasional out-of-hours work may be required)
• Analysing performance, producing insightful reports and making data-driven recommendations
• Building strong client relationships, including attending monthly on-site meetings
• Staying up to date with emerging trends, platform updates, and cultural moments and applying them creatively
• Supporting the wider team with administrative and collaborative tasks

The ideal candidate for the Social Media Manager role will bring at least 2 years of proven experience in social media management or digital marketing. A degree in Marketing, Communications, or a related field (or equivalent experience) is preferred. You will be digitally savvy, commercially aware, and confident working across all major social media platforms.

Due to the location of the Hertfordshire-based office and the requirement to visit clients regularly, applicants will require a full UK driver's licence. This is a hybrid role, where you will be required to be in the office a minimum of two days a week. If this role sounds like something of interest, we want to hear from you!

Job Title – Social Media Manager

Location – Hatfield, Hertfordshire

Salary - Circa £28,000 pa

Contract – Permanent, Full time, Monday to Friday, Hybrid

Our client, a thriving Hertfordshire-based marketing agency specialising in retail, leisure, and destinations, is looking for a Social Media Manager to join their creative team.

This is a hands-on role where you’ll lead client strategies, manage paid campaigns, and create engaging content that drives results. You’ll collaborate closely with the wider agency team and build strong client relationships, with regular UK travel involved.

What you’ll do:

• Develop and deliver social media strategies.
• Manage and optimise paid campaigns (budgets & reporting).
• Create and schedule content across Instagram, Facebook, TikTok, LinkedIn & X.
• Track performance and provide actionable insights.
• Stay ahead of trends and apply them creatively.

About you:

• Social media/digital marketing experience.
• Strong knowledge of paid and organic social.
• Confident with Hootsuite, Canva & analytics.
• Creative, organised, and client-focused.
• Driving licence & own car required

Thank you for your interest in this vacancy, which is being advertised by Smart10 Recruitment Group, who are acting as an employment agency / business. Your application will be considered in competition with others, and we will contact you within 3 working days if you have been shortlisted.

Smart10 is a multi-award-winning specialist recruitment consultancy focused on the supply of temporary, contract and permanent placements across a select group of business sectors. In order to keep up to date and search for all our active jobs, please visit our website, like us on Facebook and follow us on Instagram or LinkedIn. Please refer to Smart10’s Privacy Policy as to how we hold your data.

• Develop and implement tailored social media strategies for multiple hospitality and event clients.
• Act as the main point of contact for assigned clients – managing communication, approvals, and feedback.
• Plan and create engaging content calendars, ensuring brand tone, aesthetic, and messaging are aligned.
• Collaborate with content creators, photographers, and videographers to produce high-quality visuals.
• Manage community interactions, responding to comments, DMs, and reviews in a timely and brand-consistent way.
• Lead the planning, execution, and optimisation of paid social campaigns (e.g., Meta Ads).
• Monitor platform performance and produce regular reports with actionable insights.
• Stay up to date on trends, competitor activity, and industry best practices, particularly within the hospitality and events space.

• 2–4 years of hands-on social media management experience, ideally within an agency setting.
• Strong experience working with hospitality, events, or lifestyle brands.
• Excellent knowledge of Instagram, TikTok, Facebook, and LinkedIn.
• Proven track record managing content calendars, campaigns, and client relationships.
• Strong copywriting and storytelling skills.
• Comfortable using social scheduling tools (e.g., Later, Planoly, Buffer) and analytics platforms.
• Familiarity with paid social strategy and ad campaign setup.
• Organised, creative, and confident working to deadlines in a fast-paced environment.

• Influencer outreach or partnership experience.
• Basic graphic design or video editing skills (Canva, Adobe, etc.).
• Experience attending or covering live events via social channels.

Job Title – Social Media Manager

Location – Hertford, Hertfordshire

Salary - Circa £28,000 pa

Contract – Permanent, Full time, Monday to Friday, Hybrid

Our client, a thriving Hertfordshire-based marketing agency specialising in retail, leisure, and destinations, is looking for a Social Media Manager to join their creative team.

This is a hands-on role where you’ll lead client strategies, manage paid campaigns, and create engaging content that drives results. You’ll collaborate closely with the wider agency team and build strong client relationships, with regular UK travel involved.

What you’ll do:

• Develop and deliver social media strategies.
• Manage and optimise paid campaigns (budgets & reporting).
• Create and schedule content across Instagram, Facebook, TikTok, LinkedIn & X.
• Track performance and provide actionable insights.
• Stay ahead of trends and apply them creatively.

About you:

• Social media/digital marketing experience.
• Strong knowledge of paid and organic social.
• Confident with Hootsuite, Canva & analytics.
• Creative, organised, and client-focused.
• Driving licence & own car required

Thank you for your interest in this vacancy, which is being advertised by Smart10 Recruitment Group, who are acting as an employment agency / business. Your application will be considered in competition with others, and we will contact you within 3 working days if you have been shortlisted.

Smart10 is a multi-award-winning specialist recruitment consultancy focused on the supply of temporary, contract and permanent placements across a select group of business sectors. In order to keep up to date and search for all our active jobs, please visit our website, like us on Facebook and follow us on Instagram or LinkedIn. Please refer to Smart10’s Privacy Policy as to how we hold your data.

Job Title – Social Media Manager

Location – Hatfield, Hertfordshire

Salary - Circa £28,000 pa

Contract – Permanent, Full time, Monday to Friday, Hybrid

Our client, a thriving Hertfordshire-based marketing agency specialising in retail, leisure, and destinations, is looking for a Social Media Manager to join their creative team.

This is a hands-on role where you’ll lead client strategies, manage paid campaigns, and create engaging content that drives results. You’ll collaborate closely with the wider agency team and build strong client relationships, with regular UK travel involved.

What you’ll do:

• Develop and deliver social media strategies.
• Manage and optimise paid campaigns (budgets & reporting).
• Create and schedule content across Instagram, Facebook, TikTok, LinkedIn & X.
• Track performance and provide actionable insights.
• Stay ahead of trends and apply them creatively.

About you:

• Social media/digital marketing experience.
• Strong knowledge of paid and organic social.
• Confident with Hootsuite, Canva & analytics.
• Creative, organised, and client-focused.
• Driving licence & own car required

Thank you for your interest in this vacancy, which is being advertised by Smart10 Recruitment Group, who are acting as an employment agency / business. Your application will be considered in competition with others, and we will contact you within 3 working days if you have been shortlisted.

Smart10 is a multi-award-winning specialist recruitment consultancy focused on the supply of temporary, contract and permanent placements across a select group of business sectors. In order to keep up to date and search for all our active jobs, please visit our website, like us on Facebook and follow us on Instagram or LinkedIn. Please refer to Smart10’s Privacy Policy as to how we hold your data.

• Develop and implement tailored social media strategies for multiple hospitality and event clients.
• Act as the main point of contact for assigned clients – managing communication, approvals, and feedback.
• Plan and create engaging content calendars, ensuring brand tone, aesthetic, and messaging are aligned.
• Collaborate with content creators, photographers, and videographers to produce high-quality visuals.
• Manage community interactions, responding to comments, DMs, and reviews in a timely and brand-consistent way.
• Lead the planning, execution, and optimisation of paid social campaigns (e.g., Meta Ads).
• Monitor platform performance and produce regular reports with actionable insights.
• Stay up to date on trends, competitor activity, and industry best practices, particularly within the hospitality and events space.

• 2–4 years of hands-on social media management experience, ideally within an agency setting.
• Strong experience working with hospitality, events, or lifestyle brands.
• Excellent knowledge of Instagram, TikTok, Facebook, and LinkedIn.
• Proven track record managing content calendars, campaigns, and client relationships.
• Strong copywriting and storytelling skills.
• Comfortable using social scheduling tools (e.g., Later, Planoly, Buffer) and analytics platforms.
• Familiarity with paid social strategy and ad campaign setup.
• Organised, creative, and confident working to deadlines in a fast-paced environment.

• Influencer outreach or partnership experience.
• Basic graphic design or video editing skills (Canva, Adobe, etc.).
• Experience attending or covering live events via social channels.

MARCHON is the UK’s premium performance-lifestyle ecosystem, one brand that helps driven people train, fuel and dress for a life without limits. World-class coaching sits at the centre, backed by certified performance nutrition and movement-ready apparel, all amplified by our beacon gyms. 

Founded by ex-England rugby player and CEO Ollie Marchon, the company has grown from a single HQ club to a true omni-channel offering: the Train app, a fast-scaling supplement line, and physical hubs that bring the experience to life.

We’re still small enough that every new teammate leaves fingerprints on the product, yet the momentum is real. Our 2026 plans are ambitious to say the least, as we make a step-change in evolving our ecosystem between training, supplements and apparel. 

If you care about high standards, straight talk and making a visible impact, you’ll feel at home here. Join us while there’s still room to shape the journey.

We are looking for a creative and data-driven Social Media Manager to lead our online social media presence and community engagement across all social platforms. You will be responsible for developing and executing a content strategy that grows our brand and community, whilst creating and executing our Affiliate & Creator Programs to drive measurable business results.

1. Develop and implement a results-driven social media strategy aligned with brand and marketing objectives
2. Create, schedule, and publish high-quality content (organic and paid) across platforms including Instagram, TikTok and Youtube.
3. Plan and manage the social content calendar in collaboration with internal creative and marketing teams for MARCHON’s main, Training & Gyms pages.
4. Manage the Creator and Affiliate Programs, recruiting new affiliates, managing relationships, providing assets, brief content, and track performance to drive revenue growth.
5. Create UGC-style content, if needed, for Tiktok and Instagram. 
6. Monitor social media trends, competitor activity, and industry news to keep the brand relevant and innovative.
7. Engage with the community by responding to comments, DMs, mentions, and user-generated content in a timely and brand-appropriate tone
8. Track and report on key metrics including reach, engagement, growth, and ROI. Provide insights and recommendations for ongoing optimisation
9. Create UGC-style content when needed for any of MARCHON’s pages

Requirements

• Proven experience managing social media for a brand or agency.
• Proven ability to grow and engage a social following organically.
• Strong knowledge of key social platforms, algorithms, best practices, and scheduling tools (e.g., Later, Sprout Social, Hootsuite).
• Proficient in social media scheduling & analytics
• Confidence in creating and editing UGC content
• Strong understanding of the fitness industry
• Data-savvy with experience analysing metrics and using insights to guide content strategy.
• Strong understanding of brand tone, audience targeting, and trend-based marketing.

Nice to Have

• Experience creating short-form video content (e.g., Reels, TikToks).
• Basic photography or video editing skills.

Benefits

• 22 days holiday + 8 bank holidays + your birthday off
• Pension contributions
• “Starter Pack” of all things MARCHON
• £400 gift card each year for MARCHON Supplements & Apparel
• Year-round staff discount on Supplements & Apparel
• Free membership to all MARCHON gyms
• Full access to MARCHON Online training & nutrition platform
• Choice of PC or Mac laptop

Hire Digital is seeking a Social Media Manager  to lead the client's Instagram channel and expand the brand's presence across LinkedIn and YouTube. You’ll drive organic growth, build brand awareness, and create engaging content tailored to UK and US audiences.

Requirements

RESPONSIBILITIES

• Develop and execute a social media strategy with a focus on Instagram growth, engagement, and brand awareness.

• Create and manage compelling, on-brand content (posts, stories, reels, video snippets) tailored to UK/US audiences.
• Support and optimize LinkedIn and YouTube  activity, ensuring cross-platform consistency.
• Drive community engagement by monitoring comments, messages, and trends, turning followers into advocates.
• Use analytics tools to track performance, provide insights, and iterate strategy based on data-driven results.
• Collaborate with internal teams to align messaging with product launches, campaigns, and partnerships.
• Stay on top of emerging social media trends, competitor activity, and platform innovations.
• (Future) Support paid social campaigns across Instagram and other platforms when needed.

REQUIREMENTS

• Proven experience growing and managing Instagram accounts for consumer brands (ideally lifestyle, healthtech, or safety-focused).
• Strong creative skills: content ideation, visual storytelling, and copywriting tailored to the platform and audience.
• Familiarity with UK (primary) and US (secondary) social media landscapes, including cultural tone and trends.
• Solid grasp of analytics, performance metrics, and growth tactics.
• Preferably with experience with paid social campaigns  (Facebook/Instagram Ads Manager, TikTok Ads, Google/YouTube Ads).
• Excellent communication skills and ability to work independently within a lean, entrepreneurial team.