Senior Manager, Media Strategy & Planning

Sanofi•Cambridge, MA

5d•$122,250 - $176,583•Onsite

About The Position

The media landscape is evolving rapidly, creating new opportunities to connect strategy, data, and technology to more effectively reach patients/consumers and drive brand performance. Sanofi is making bold investments to be on the leading edge of this transformation through new market-leading capabilities. Supporting this transformation, the Senior Manager, Media Strategy & Planning will serve as a strategic media lead for designated brands and/or therapeutic area(s), driving media strategy, planning, execution, optimization, and performance management across Consumer and/or HCP campaigns. This role will report to the Director, Media Strategy & Planning and partner closely with Consumer and HCP Media Strategy leads, Brand Marketing, Analytics, Omnichannel Enablement, Digital, Finance, and agency partners. The ideal candidate is a strong media strategist with deep digital media experience, comfort working with performance data, and the ability to operate independently in brand-, GTMC- and agency-facing discussions. This role requires fluency in the evolving media landscape, including clean room-enabled activation, audience segmentation, omnichannel measurement, and AI-enabled media optimization. This role offers the opportunity to help shape the future of media as Sanofi evolves toward a more internally owned, data-enabled, and performance-driven consumer marketing operating model. The Senior Manager will strengthen media strategy, improve optimization speed, build internal capability, and translate emerging data and measurement tools into measurable business impact. This role is based in Cambridge, MA.

Requirements

Bachelor’s degree in any field required
7+ years of experience in media strategy, digital marketing, media planning, performance marketing, or related roles.
Strong digital media experience across paid social, programmatic, online video, digital display, and/or other biddable / performance channels.
Strong experience with Marketing Mix Models and other Measurement Partners.
Solid understanding of media planning, activation, audience targeting, trafficking / tagging, and optimization.
Comfort working with dashboards, campaign reporting, and performance data to develop insights and recommendations.
Ability to translate complex media, data, and analytics inputs into clear business implications for brand and cross-functional stakeholders.
Strong communication and influencing skills, including ability to lead discussions, challenge recommendations, and build alignment in a matrixed environment.
Experience managing agency partners and coordinating across internal and external teams.
Strong organizational skills, attention to detail, and ability to manage multiple workstreams, timelines, partners, financial details, and stakeholder needs.

Nice To Haves

Pharmaceutical, biotech, healthcare, or other highly regulated industry experience.
Experience working at or closely with a media agency strongly preferred.
Experience supporting large-scale media budgets, including budget pacing, invoice reconciliation, accruals, or agency billing.
Familiarity with clean room-enabled media activation, first- and third-party data, audience segmentation, CDPs / DMPs, omnichannel measurement, or privacy-safe marketing.
Experience with Power BI, Tableau, Google Analytics, or similar reporting / dashboard tools.
Experience with Consumer media; HCP media or non-personal promotion experience is a plus.
Familiarity with AI-enabled media, automation, test-and-learn approaches, dynamic creative optimization, and emerging digital capabilities.
Experience operating within a highly matrixed, multi-stakeholder environment.

Responsibilities

Serve as media strategy lead for designated brand(s) and/or therapeutic area(s), acting as a trusted partner to Brand, Analytics, Omnichannel, Digital, and agency.
Translate brand objectives, audience priorities, business context, and media performance into strategic plans, tactical recommendations, and optimization opportunities.
Lead development of media planning inputs, including audience strategy, channel role, tactical requirements, media asset needs, and campaign priorities.
Develop clear recommendations and presentation materials to secure alignment on media plans, optimizations, and investment decisions.
Share learnings across indications to support consistent media strategy principles and portfolio-level improvement.
Oversee campaign execution across assigned channels and workstreams, ensuring media plans are delivered accurately and against established KPIs.
Partner with agency teams on launch readiness, trafficking / tagging needs, optimization timing, issue resolution, and campaign-level performance management.
Lead optimization discussions across audiences, channels, tactics, spend, sequencing, frequency, and performance outcomes.
Review dashboards, campaign reporting, and agency outputs to identify trends, diagnose performance drivers, and recommend action.
Partner with Analytics to strengthen measurement interpretation, performance storytelling, and closed-loop optimization.
Support the Media team’s evolving role in the consumer marketing operating model, including elevated business partnership and increased ownership of key capabilities.
Translate clean room-enabled audience and measurement capabilities into practical media activation and optimization approaches.
Partner with Digital, Analytics, and agencies to operationalize new data-enabled capabilities, including segmentation, activation, measurement, and reporting enhancements.
Contribute to media planning and performance forums by leading media inputs, identifying insights, interpreting implications, and driving follow-through.
Manage media budgets for assigned workstreams, including pacing, investment tracking, PO / invoice / accrual support, and escalation.
Partner with Finance, Procurement, and agency teams to ensure budget documentation, billing reconciliation, and financial processes are accurate and timely.
Manage agency partners against defined scopes, deliverables, timelines, and performance expectations.
Maintain operating discipline across campaign documentation, decision tracking, reporting inputs, and cross-functional follow-through.
Help identify opportunities to streamline operational workflows and shift repeatable work to future hub, automation, agency, or operational excellence support models where appropriate.