Senior Manager, Customer Supply Chain – Global Retail Partnerships & Forecasting (London/Remote)

About arenaflex

arenaflex is a fast‑growing, purpose‑driven beauty and personal‑care company that has redefined the standards of clean, cruelty‑free cosmetics since its inception in 2004. With a portfolio that now spans iconic makeup, innovative skin‑care, and lifestyle beauty lines, arenaflex has become the #2 mass cosmetics brand in the United States and the fastest‑growing player among the top five. In fiscal year 2024 the company generated $1 billion in net sales, marking 25 consecutive quarters of growth. This remarkable trajectory is powered by a relentless focus on delivering high‑quality products at an accessible price point, while maintaining an unwavering commitment to sustainability, inclusivity, and ethical sourcing.

Why Join arenaflex?

At arenaflex, you will be part of a culture that celebrates curiosity, collaboration, and bold thinking. The “one team, one dream” philosophy means every employee shares in the company’s success through competitive pay, performance‑based bonuses, equity grants, and a flexible work model that blends three days in the office with two days remote. Half‑day Fridays, generous paid‑time‑off, and a supportive environment for personal development make arenaflex a place where you can thrive both professionally and personally.

Position Summary

The Senior Manager, Customer Supply Chain is the strategic partner for arenaflex’s key retail customers. You will own the end‑to‑end experience that ensures products are available when and where customers expect them, while simultaneously driving continuous improvement across the supply chain. This role blends analytical rigor, relationship management, and project leadership to translate market demand into reliable inventory, on‑time deliveries, and seamless promotional execution.

Key Responsibilities

• Customer‑Centric Project Leadership: Serve as the single point of contact for arenaflex’s retail partners, steering cross‑functional projects that enhance supply‑chain efficiency, reduce costs, and increase fill‑rate.
• Strategic Retail Collaboration: Build deep, data‑driven relationships with key retailers, understanding their distribution strategies, success metrics, and seasonal calendars to align supply‑chain plans.
• Demand Forecasting & Planning: Partner with demand‑planning, sales, and marketing teams to develop accurate forecasts, incorporate promotional and innovation launches, and communicate insights to customers.
• Performance Analytics: Produce weekly and monthly KPI dashboards (in‑stock, fill‑rate, on‑time delivery, charge‑back risk) using Excel, PowerPoint, NetSuite, and Tableau to drive decision‑making.
• Risk Identification & Mitigation: Monitor inventory levels, sales velocity, and supply constraints to proactively flag potential stock‑outs and coordinate corrective actions with internal stakeholders.
• Onboarding & Expansion: Lead the onboarding of new retail partners, ensuring seamless integration of order‑processing, logistics, and data exchange protocols.
• Continuous Improvement: Identify opportunities to streamline processes, implement best‑practice standards, and champion the “arenaflex way” across the organization.
• Cross‑Functional Influence: Work closely with finance, operations, marketing, and product development to align supply‑chain initiatives with broader business objectives.
• Travel & Field Support: Travel across the EMEA region as needed to support retailer visits, joint business planning sessions, and on‑site problem solving.

Essential Qualifications

• Fluent in German and English with a minimum of 5 years of experience in FMCG or beauty supply‑chain management.
• Bachelor’s degree in Supply Chain Management, Business Administration, or a related analytical discipline (or equivalent professional experience).
• Proven track record of building and nurturing relationships with key retail customers, delivering measurable improvements in service levels.
• Strong analytical capabilities, including advanced Excel, PowerPoint, and data‑visualization tools (Tableau, Power BI).
• Demonstrated ability to influence senior leadership and drive cross‑functional initiatives without direct authority.
• Excellent written and verbal communication skills, with the confidence to present complex data to executive audiences.
• Entrepreneurial mindset; comfortable operating in fast‑paced, high‑growth environments where processes are evolving.
• Self‑starter who can manage a dynamic workload, prioritize competing demands, and meet tight deadlines.
• Willingness to travel regularly throughout the region (up to 30 % of the time).

Preferred Qualifications & Additional Experience

• Experience working in a startup or high‑growth company where you helped shape supply‑chain processes from the ground up.
• Exposure to NetSuite or other ERP systems for order management and inventory control.
• Background in retail merchandising, assortment planning, or category management.
• Certification such as APICS CPIM, CSCP, or equivalent.
• Multilingual abilities beyond German and English (e.g., French, Spanish) are a plus.

Core Skills & Competencies

• Analytical Thinking: Ability to translate raw data into actionable insights that improve supply‑chain performance.
• Relationship Management: Skilled at building trust with external partners and internal stakeholders alike.
• Project Management: Expertise in planning, executing, and closing projects on time and within scope.
• Problem Solving: Comfortable navigating ambiguity, making decisions with limited data, and iterating quickly.
• Communication: Clear, concise, and persuasive storytelling for both technical and non‑technical audiences.
• Technology Savvy: Proficiency with Microsoft Office Suite, especially Excel (pivot tables, macros), and familiarity with data‑visualization platforms.
• Customer‑First Mentality: Commitment to delivering best‑in‑class service and exceeding retailer expectations.

Career Growth & Learning Opportunities

arenaflex invests heavily in the development of its people. As a Senior Manager, you will have access to:

• Mentorship from senior leaders in global supply chain and commercial operations.
• Leadership development programs focused on strategic thinking, negotiation, and change management.
• Cross‑functional rotation opportunities to broaden your expertise across sales, finance, and product development.
• Industry conferences, workshops, and certifications (e.g., APICS, CSCMP) fully funded by the company.
• A clear promotion pathway toward Director‑level roles within the supply‑chain organization.

Work Environment & Culture at arenaflex

Our offices in London and across Europe are designed for collaboration, creativity, and flexibility. You will experience a hybrid work model that balances three days in a vibrant, modern office with two days of remote work, allowing you to maintain work‑life harmony. The culture is built on transparency, inclusivity, and a shared commitment to sustainability—values that are reflected in every product launch and internal initiative.

Compensation, Perks & Benefits

arenaflex offers a total rewards package that includes:

• Competitive base salary aligned with market benchmarks for senior supply‑chain roles.
• Performance‑based annual bonus targeting 200 % of target, reflecting the company’s strong financial results.
• Equity grants for all full‑time employees, with an initial award and annual refresh opportunities.
• Comprehensive health, dental, and vision coverage for you and your dependents.
• Generous paid‑time‑off policy, plus half‑day Fridays year‑round.
• Flexible work arrangements, including remote work days and a supportive technology setup.
• Professional development budget, wellness programs, and employee assistance resources.
• Employee discounts on arenaflex’s full product range, allowing you to experience the brand firsthand.

How to Apply

If you are a strategic thinker with a passion for delivering flawless customer experiences and a desire to shape the future of a leading beauty brand, we want to hear from you. Join arenaflex and become a catalyst for supply‑chain excellence that drives growth, innovation, and delight for millions of consumers worldwide.

Apply now to embark on a rewarding career where your ideas are valued, your impact is measurable, and your growth is limitless.