← All Jobs
Posted Mar 1, 2026

**Experienced Customer Development Manager – National Account Management at arenaflex**

Apply Now ✨
As a seasoned professional in customer development and national account management, you have the unique opportunity to join arenaflex, a global consumer products company operating in over 200 countries, specializing in Oral Care, Personal Care, Home Care, Skin Care, and Pet Nutrition. With a presence in more households than any other brand in the world, arenaflex is a household name, and we're looking for a talented individual to drive sales objectives, customer engagement, and internal collaboration as our Customer Development Manager on the Costco team. **About arenaflex** arenaflex is a caring, innovative growth company reimagining a healthier future for people, their pets, and our planet. Guided by our core values—Caring, Inclusive, and Courageous—we foster a culture that inspires our people to achieve common goals. Together, let's build a brighter, healthier future for all. **Job Summary** As the Customer Development Manager on the Costco team, you will have ownership and responsibility to deliver sales objectives on volume, spending, and customer execution via effective customer engagement and internal collaboration. You will formulate and execute our strategic plan, at the corporate and divisional levels, to ensure maximum volume, profitability, and customer service. You will work with the immediate Costco team, Club team, and other cross-functional touchpoints to develop and implement business plans with excellence. By leveraging the customer strategy, you will champion solutions that enable arenaflex to drive growth and member engagement at Costco. **Key Responsibilities** * Identify areas of opportunity for products and programs, develop customer strategies that incorporate consumer insights, and maintain an awareness of competitive activity. * Establish partnerships with multiple parties, including internal cross-functional teams, divisional buyers, and the customer merchandising team, to achieve results and execute against strategy and goals. * Influence the agenda through collaboration, negotiation, and data-driven thought leadership, with an understanding of the product development and commercialization process. * Seek opportunities to improve and seek creative solutions by adapting and adjusting the strategy with the customer, revisiting objectives, and gaining insights from pre- and post-evaluation and ROI analyses. * Understand business trends in each account through fact-based analysis, including brand share, pricing, promotion levels, and trade class development, along with understanding the effectiveness of different investment levers across the entire P&L. **Essential Qualifications** * Bachelor's Degree * 6+ years in sales roles or adjacent experiences * Experience with national account management at a FMCG company * Experience pulling and using data from a syndicated service (Nielsen, IRI/Circana) account * Microsoft Office or Google Suite proficiency (i.e., Sheets, Slides, Docs) * Ability to develop accurate rolling sales forecasts and inputs for financial modeling **Preferred Qualifications** * Excellent written and verbal communication skills, including the ability to present data * A results-oriented, growth mindset **Compensation and Benefits** * Salary Range: $107,000.00 - $150,000.00 USD * Pay is determined based on experience, qualifications, and location. Salaried employees may also be eligible for discretionary bonuses, profit-sharing, and long-term incentives for Executive-level roles. * Benefits: Salaried employees enjoy a comprehensive benefits package, including medical, dental, vision, basic life insurance, paid parental leave, disability coverage, and participation in the 401(k) retirement plan with company matching contributions subject to eligibility requirements. Additional benefits include a minimum of 15 vacation/PTO days (hourly employees receive a minimum of 120 hours) and 13 paid holidays (vacation days are prorated based on the employee's hire date within the calendar year). Paid sick leave is adjusted based on role and location in accordance with local laws. **Our Commitment to Diversity, Equity & Inclusion** Achieving our purpose starts with our people—ensuring our workforce represents the people and communities we serve—and creating an environment where our people feel they belong; where we can be our authentic selves, feel treated with respect, and have the support of leadership to impact the business in a meaningful way. **Equal Opportunity Employer** arenaflex is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity, sexual orientation, national origin, ethnicity, age, disability, marital status, veteran status (United States positions), or any other characteristic protected by law. **Reasonable Accommodation** Reasonable accommodation during the application process is available for persons with disabilities. Please complete this request form should you require accommodation. **Apply Now** If you're a motivated and results-driven professional looking to join a dynamic team and drive growth and member engagement at Costco, we encourage you to apply for this exciting opportunity. Don't miss out on the chance to be part of arenaflex's journey towards a healthier future for all.