Senior Consultant (Media) in London

An exciting opportunity has become available to be part of our fast-growing team and to be a key part of the Client Services function. This role provides an outstanding opportunity to join a growing global integrated marketing advisory and will provide an ambitious individual with valuable experience for progression and development.

mediasense is a global, independent advisor that brings the clarity, connection and confidence modern marketers need to fuel growth. We help marketers eliminate waste and maximize the impact of their most significant investments at scale. Our ambition is to define and own an entirely new category – recognized as the world’s most trusted, independent and impactful marketing advisor. We do this by elevating how clients operate, how agencies deliver, how platforms perform, and how all parts of the ecosystem connect. Because progress doesn’t happen in isolation, it takes alignment, intelligence, and trust. That’s what we enable. That’s what we stand for. That’s Unified Marketing Intelligence.

mediasense is designed around how we help marketers optimize and transform through best-in-class structure and governance (Organization), partners and platforms (Ecosystem), governance and controls (Assurance), and measurement and effectiveness (Science). We have the proven ability to effectively support large, complex organizations and deliver multiple projects simultaneously. As evidenced through our strong track record with clients, we pride ourselves on the consistent high quality of service delivery and the ability to accelerate transformation and growth. mediasense has over 200 employees across London, New York, Singapore and New Delhi.

This role is for a Senior Consultant (Media), based in London. This role will report into the Media Analytics Sub-Practice Lead. The Media Practice focuses on delivering industry-leading measurements and accountability for advertisers across their media investments, designing future-facing frameworks that drive transparency, value and trust with our core analytics products, including performance tracking, media cost & fees benchmarking, performance deep-dives, media cost and fees analysis in a pitch, and agency pitch commercials.

A Senior Consultant (Media) owns “what” we deliver to Clients from the Media Analytics Practice to ensure that project execution follows and is in compliance with our standard methodologies and ways of working and that each project delivers measurable client value, operates efficiently, the deliverables are reflective of the new blueprints being produced within the organization, and that the client service and deliverables are of high quality. You will be leading and owning the end-to-end delivery for a portfolio of clients whilst being supported by our Analytics Services team.

• Client Delivery & Commercial Ownership
• Own and lead media analytics, pitch support, and performance tracking engagements, assessing client delivery against contractual commitments.
• Lead media agency pitch analytics projects end-to-end, from pitch design and initiation through to assessment, recommendation, and agency appointment.
• Act as senior client lead, owning relationships, managing expectations, and presenting clear, confident recommendations to senior stakeholders.
• Build strong, “firm but fair” relationships with media agencies to ensure effective delivery and accountability.
• Apply deep expertise in media planning, buying, investment, and trading across biddable and non-biddable channels to generate actionable insights (TV, BVoD/CTV/SVoD, Direct Digital, OOH, Print, Radio, Cinema).
• Produce and present clear, compelling reports and analysis for both technical and non-technical audiences.
• Ensure delivery to the agreed scope, timelines, and quality standards, proactively managing risks and issues.

• Team Leadership & Service Management
• Lead, manage, and mentor Analytics Services teams on client projects, ensuring high-quality, consistent delivery.
• Provide line management to Media Practice team members below Senior Consultant level and ad hoc mentorship across the wider team.
• Oversee day-to-day execution of services across projects, including resourcing, utilization, and delivery performance.
• Ensure adherence to standard ways of working, templates, and delivery frameworks, driving continuous improvement.

• Practice Development & Collaboration
• Collaborating with Client Solutions, Client Strategy, Practice Leads, and Technology & Innovation teams to shape client initiatives and evolve products.
• Contribute to the development and adoption of best-practice methodologies, playbooks, governance frameworks, and global ways of working.
• Support practice capability development by monitoring market trends and evolving client needs.
• Promote a culture of collaboration, feedback, and high performance aligned to mediasense values.
• Work with Media Practice, Sub-practice leads and Client Solutions Directors to monitor market changes and changes in client needs to identify changes in capabilities needed to serve our clients.

The ideal candidate will have the following:

• At least 8 years’ experience in a media agency (planning, investment and/or trading) or media auditing / advisory environment.
• Strong end-to-end project leadership experience, with the ability to manage complex client engagements from initiation through to delivery and reporting.
• Deep understanding of media math’s, with the ability to quickly and confidently apply it to real-world media planning, trading, and performance scenarios.
• Strong knowledge across online and offline media channels, with a clear understanding of trading mechanics, data parameters, and how performance is measured and tracked.
• Excellent numerical and analytical skills, with the ability to interrogate data, identify insights, and draw clear, evidence-based conclusions.
• Highly advanced Excel skills: VBA and automation experience strongly preferred.
• Outstanding communication and presentation skills, including the ability to translate complex analysis into clear, compelling narratives for varied audiences.
• Proven ability to manage senior client and stakeholder relationships, and to establish credible, effective working relationships with media agencies.
• High attention to detail, combined with strong professional judgement and delivery focus.

What We Offer:

• Hybrid working.
• 28 days holiday per year, up to a maximum of 32 days.
• Work from any location in the world up to 4 weeks per year.
• 10 days Annual Leave Purchase per year.
• Day off for your birthday.
• Company bonus scheme.
• Pension.
• Private Healthcare.
• Employee Assistance programme.
• Group Life insurance.
• Annual season ticket loan.
• Cycle to work scheme.
• Eye test & contribution towards glasses for VDU.
• Employee Referral Bonus.
• New Business Bonus.