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Job Function:

Marketing

Job Sub Function:

Advertising & Promotions:

Job Category:

People Leader

All Job Posting Locations:

Chiyoda, Tokyo, Japan

Job Description:About the role

We’re looking for a strategic, data-driven Senior Manager, Media & Performance Marketing to build and execute media plans that drive efficient growth and elevate brand equity for a leading consumer brand. This role combines strong performance marketing discipline with agency management and a forward-looking view of media technologies. You will own media planning, buying oversight, optimization, and measurement — ensuring the best return-on-investment while achieving the communication objectives of the brands.

Key responsibilities

• Design end-to-end media plans focused on cost-per-performance, efficiency and business outcomes across paid digital, video, connected TV, social, search, and programmatic channels.

• Continuously optimize the media mix using analytics, experiments and attribution models to improve CPA, CAC, ROAS and other performance KPIs.

• Lead media agency management: set clear objectives, performance SLAs, briefs, governance and review cadence; ensure agencies deliver measurable value, innovation and transparent reporting.

• Own media measurement and reporting frameworks; collaborate with analytics and data teams to implement robust attribution, incrementality testing and closed-loop measurement.

• Stay on top of media technologies and platforms (DSPs, SSPs, marketing automation, identity and targeting solutions, data clean rooms, MMPs) and recommend pilot/test/adoption strategies.

• Balance brand-building and direct-response investments: collaborate with brand and creative teams to align messaging and audience strategy across upper-, mid- and lower-funnel activities.

• Use insights from customer data and audience segmentation to drive personalization strategies without sacrificing scale or privacy compliance.

• Manage media budgets and vendor relationships; ensure media procurement follows company guidelines and maximizes value.

• Mentor junior media/performance team member and promote cross-functional collaboration.

What success looks like (KPIs)

• Improved efficiency metrics: lower $CPA, CAC / higher ROAS or equivalent business KPI

• Positive trends in reach and brand equity metrics alongside performance gains

• Measurable incrementality from tests and controlled experiments

• On-time delivery of media plans and transparent, actionable reporting from agency partners

• Effective budget allocation with demonstrable uplift in conversions and brand metrics

Required qualifications & experience

• 7+ years of hands-on media agency experience/client-side media/performance role.

• Proven track record planning and optimizing multi-channel media campaigns with strong focus on cost/performance.

• Deep understanding of digital ad ecosystems, programmatic buying, DSPs, measurement tools and privacy-first targeting approaches.

• Strong analytical skills, comfortable with data, attribution concepts and A/B or incrementality testing.

• Excellent agency management, vendor negotiation and stakeholder communication skills.

• Experience with large-scale media budgets and cross-channel measurement frameworks.

• Degree in Marketing, Business, Analytics, or related field (or equivalent experience).

Preferred

• Experience in FMCG / consumer brands.

Personal attributes

• Pragmatic thinker who can translate analytics into action.

• Collaborative and results-driven.

• Comfortable operating at the intersection of brand and performance.

• Curious and adaptable — constantly scanning for new media technologies and approaches.

Required Skills:Preferred Skills:

Advertising, Brand Identity, Brand Positioning Strategy, Brand Reputation Management, Budget Management, Content Management, Cross-Functional Collaboration, Customer Intelligence, Data Analysis, Design Mindset, Developing Others, Execution Focus, Financial Analysis, Inclusive Leadership, Innovation, Interpersonal Influence, Leadership, Operational Excellence, Sales Promotions, Tactical Planning, Vendor Management