Glanbia Performance Nutrition (GPN) is hiring: Senior Customer Business Manager

Senior Customer Business Manager – Amazon, Sales & Marketing Join to apply for the Senior Customer Business Manager – Amazon, Sales & Marketing role at Glanbia Performance Nutrition (GPN) . As the Senior Customer Business Manager – Amazon , you will lead the strategic direction and execution of our Amazon US business for our Performance Nutrition brands (Optimum Nutrition and BSN). You will drive top‑line growth, profitability and operational excellence, and shape the future of our digital commerce strategy. Responsibilities Lead the strategic planning and execution of the Amazon US business for Performance Nutrition brands, delivering against revenue, profit and share growth targets. Own the Amazon customer P&L, including revenue forecasting, trade investment and profitability management. Build and maintain strategic partnerships with Amazon stakeholders to align on joint business plans and unlock growth opportunities. Drive best‑in‑class e‑commerce capabilities across the organization, including digital shelf optimisation, content strategy and conversion improvement. Oversee catalog management for multiple brands, ensuring accuracy in master data, product setup and enhanced content (A+/B+). Collaborate with supply chain to optimise demand forecasting, inventory management and in‑stock performance. Partner with marketing, retail media and agency teams to execute integrated digital marketing strategies, including SEO, paid media, affiliate and merchandising. Define and track KPIs to measure performance and inform strategic decision‑making across the organization. Serve as a thought leader and internal advocate for Amazon, sharing insights on evolving shopper behaviour, platform innovations and competitive dynamics. Qualifications Bachelor’s degree with 7+ years of experience in CPG sales, e‑commerce, marketing or strategy, with a strong focus on Amazon Retail. Demonstrated success in leading customer negotiations and managing strategic accounts. Experience working in a matrixed organisation and leading cross‑functional initiatives. Demonstrated success in managing complex P&Ls and delivering against aggressive growth targets. Glanbia is the world’s leading premium sports nutrition company, with award‑winning brands such as Optimum Nutrition and Isopure. We employ a team of 5,800 people and operate in more than 100 countries worldwide. We celebrate diversity and welcome applicants from all backgrounds. Your application will be considered without regard to race, colour, religion, sex, sexual orientation, gender identity, national origin, age, marital status, protected veteran status or disability status. Benefits The opportunity to develop your career on a global stage, continuous learning through an on‑demand learning platform and a competitive compensation package including staff discounts, generous family leave policy, health & dental plan, 401(k) and more. #J-18808-Ljbffr