Glanbia

Performance Media Manager

Glanbia

full-time

Posted on:

Location Type: Hybrid

Location: United Kingdom

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About the role

  • Develop and execute full-funnel performance media strategies across paid search, paid social, display, programmatic, and affiliate channels — driving acquisition, engagement and revenue.
  • Own day-to-day media activation and optimisation, ensuring efficient use of budgets and consistent delivery against commercial KPIs.
  • Partner with local market e-commerce teams and brand teams to adapt strategies to regional needs, audiences, and trading priorities.
  • Build a structured test-and-learn roadmap (creative, audience, bidding, landing page, format and platform tests).
  • Challenge existing playbooks by identifying under-performing tactics and proposing new approaches based on data and market trends.
  • Ensure campaigns support trading calendars, stock priorities, and commercial goals across all European markets.
  • Monitor performance across media platforms, Shopify, and GA4, transforming data into actionable optimisation recommendations.
  • Lead data-driven optimisation via audience segmentation, creative performance insights, and attribution learnings.
  • Partner with Analytics to evolve dashboards, tracking accuracy, attribution modelling and reporting consistency across markets.
  • Maintain responsibility for correct pixeling, tagging, and tracking infrastructure in collaboration with Analytics and Tech teams.
  • Stay ahead of algorithm changes, new formats, automation opportunities and performance trends — ensuring GPN consistently evolves its media strategy.
  • Work closely with CRM, SEO, Retail Media, Brand, Creative, and E-Commerce teams to ensure holistic go-to-market execution across channels.
  • Partner with In-Market teams to align messaging, budgets, campaign timings, and audience strategies.
  • Facilitate alignment sessions (weekly/monthly) to ensure performance learnings and recommendations flow across teams.
  • Share insights and best practices across regions and functions to drive consistency and capability-building across Europe.
  • Manage media agencies and platform partners (Google, Meta, TikTok, affiliates), ensuring clear objectives, accountability, and performance standards.
  • Evaluate media partner performance, challenge assumptions, and push for continuous improvement.
  • Ensure documentation of learnings, playbooks, media frameworks, and optimisation guidelines — helping scale performance marketing maturity across markets.
  • Proactively identify new platforms, formats, tactics, and betas to fuel incremental growth.
  • Test emerging channels (e.g., TikTok performance ads, YouTube automation, retail media formats) and build frameworks to scale successful experiments.
  • Champion a culture of experimentation, ensuring hypotheses, test design, measurement windows, and success criteria are documented.
  • Recommend changes to process, workflows, and reporting structures to increase efficiency and capability.

Requirements

  • 3–5 years of hands-on experience managing digital/performance media, ideally across Google Ads, Meta Ads, YouTube, Display/Programmatic, and Affiliates.
  • Strong analytical mindset; proficiency with GA4, Looker Studio, Power BI, Google Ads, Meta Ads Manager, and tag/pixel management.
  • Proven experience optimising performance campaigns across multiple markets.
  • Strong understanding of attribution, conversion tracking, bidding strategies, and media efficiency metrics.
  • Experience managing agencies and evaluating partner performance.
  • Strong communicator able to translate data into clear strategic recommendations for non-technical stakeholders.
  • Highly collaborative with strong stakeholder management skills across creative, brand, trading, analytics, and market teams.
  • Proactive mindset with a passion for testing, learning, challenging current ways of working, and driving continuous improvement.
  • Ability to manage multiple projects and priorities in a fast-paced, rapidly evolving environment.
Benefits
  • Competitive salary
  • 401K
  • Staff discounts
  • Generous family leave policy
  • Health & dental plan

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
digital media managementperformance media strategiescampaign optimisationaudience segmentationattribution modellingbidding strategiesconversion trackingdata analysismedia efficiency metricstest-and-learn methodology
Soft skills
analytical mindsetstrong communicationstakeholder managementcollaborationproactive mindsetproject managementstrategic thinkingadaptabilityproblem-solvingcontinuous improvement