Freelance Senior B2B Media Strategist

Freelance Senior B2B Media Strategist

This position can be either hybrid (London or Marlow), or remote

About Marketbridge 

Marketbridge partners with leading B2B brands to create unified Go-to-Market® systems that connect strategy, AI, creativity, activation and measurement. With a team of 350+ across North America and Europe, Marketbridge supports clients worldwide, ranging from Fortune 1000 enterprises to venture-backed, high-growth companies across technology, financial services, healthcare, industrial and consumer sectors. For more information, please visit www.marketbridge.com and follow www.linkedin.com/company/marketbridge/. 

Role Overview 

We’re looking for an experienced freelance Senior Media Strategist to support paid media strategy and planning across our global B2B client accounts.

You’ll bring specialist expertise to help shape effective, insight-led media investment that delivers measurable business outcomes and growth for our clients. Working with Marketbridge teams and external activation partners, you’ll develop integrated media strategies, define channel approaches and guide campaigns from planning through to optimisation.

Key Responsibilities 

Media Strategy & Planning 

• Develop integrated paid media strategies aligned with client objectives and go-to-market priorities.
• Recommend channel mixes across paid social, programmatic, publisher partnerships, content syndication and emerging B2B platforms.
• Build detailed media plans, including budgets, forecasts and performance projections.
• Define KPIs, measurement frameworks and expected business outcomes.
• Work with wider campaign teams to integrate paid media into campaign and programme planning.

Client Consultancy

• Provide clear, data-led media recommendations to clients and internal teams.
• Present media strategies, plans and performance insights with confidence and clarity.
• Translate media performance into commercial impact, supporting ROI-driven discussions.

Campaign Delivery & Optimisation 

• Brief and collaborate with global media activation partners to guide campaign execution and optimisation.
• Review delivery across regions and channels, identifying improvements and resolving issues with the relevant teams.
• Monitor performance and recommend changes to improve campaign effectiveness.
• Provide hands-on platform support where required and agreed within the scope of the engagement.

Performance, Insights & Innovation 

• Analyse campaign performance, identifying actionable insights to improve results. 
• Apply a data-driven approach to media planning and optimisation. 
• Recommend relevant channels, technologies and approaches that could improve client results.
• Challenge activation partners to explore and validate new approaches.
• Share specialist knowledge and practical recommendations to support media best practice.

Commercial & Growth Contribution 

• Support new business opportunities by contributing media strategy and planning expertise. 
• Develop compelling media approaches for pitches and proposals. 
• Identify opportunities to expand media scope within existing accounts. 
• Contribute to agency thought leadership in B2B media and demand generation. 

Collaboration & Integration 

• Work collaboratively with strategists, content specialists, and account teams to deliver integrated campaigns. 
• Ensure media strategy aligns with creative, messaging, and audience targeting approaches. 
• Support the development of internal media capability and best practice.
• Work closely with colleagues across business units globally to align on processes and partners to ensure successful delivery.

Essential Skills and Attributes 

• Strong understanding of the B2B paid media landscape. 
• Experience managing external media partners or suppliers. 
• Experience developing data-driven media strategies and campaign plans. 
• Strong knowledge of paid social platforms, particularly LinkedIn. 
• Understanding of programmatic advertising, publisher partnerships, and lead generation tactics. 
• Ability to translate performance data into commercial insights and recommendations. 
• Confident client-facing communication and presentation skills. 
• Strong commercial awareness and budget management capability. 
• Ability to balance strategic thinking with practical delivery requirements. 
• Curious and proactive in exploring new media channels and innovations. 

Particularly Relevant Experience

• Working within or alongside B2B agencies.
• Supporting enterprise, technology or professional services clients.
• Developing B2B audience targeting approaches.
• Working with attribution models, reporting frameworks and performance measurement.
• Collaborating with media buying or activation teams.
• Planning campaigns across international markets.

Working With Marketbridge

How we work together matters just as much as the work itself. Our values of Be Kind, Be Open, Be Real and Be Brave guide how we collaborate with colleagues, clients and freelance partners.

You’ll work with a collaborative team on complex B2B briefs, bringing your expertise and perspective to help shape effective media strategies. We value clear communication, curiosity, accountability and constructive challenge.
 

Rates & Availability

We welcome proposals based on your usual freelance day rate or preferred pricing structure. Rates and contract terms will be discussed and agreed before the engagement begins. Please share your proposed rate when applying.

This role can be hybrid or remote, and the expected core working hours are 9am - 5:30pm.

Note: This position requires candidates to be eligible to work in the UK without visa sponsorship. Marketbridge is an Equal Opportunity Employer.