Job Description

About Mammoth Brands

Mammoth Brands (formerly Harry’s Inc.) is the modern CPG company behind brands Harry’s, Flamingo, Lume, and Mando. We’re building a new model—and home—brands, founders, and talent looking to solve unmet needs, improve peoples’ lives, and ultimately challenge the status quo. Our mission is to “Create Things People Like More.” Simply put: everything we do should be better than what already exists. If it’s not, we don’t do it. This guides everything we do, from developing the best product experiences, to making Mammoth Brands a great place to work, to exploring innovative ways to give back to our community.

We got our start in 2013 when our co-founders created Harry's. They built the brand differently—online first, prioritizing direct relationships with customers—and in the process learned they’d created something bigger: a playbook and platform that could help other brands grow and scale to their full potential, and a vision to reimagine consumer packaged goods. Today, Mammoth Brands is a growing portfolio of brands and the largest CPG company built in the last 20 years. Even as we grow, we take extra care to maintain the small, scrappy, entrepreneurial culture that helped to get us where we are today: to create a company that people like more, that better serves its customers, employees, and community. As a company, we’re also committed to making a positive impact and have donated over $20 million through our network of nonprofit partners to date. 

The Harry's working model is in-office Tuesday, Wednesday, and Thursday. Our beautiful 70,000 square foot SoHo office is decked out with bagels on Wednesdays and lunch on Thursdays, and fully stocked kitchens with snacks, coffee, and drinks everyday. Can’t forget the free products and the opportunity to have some meetings without Zoom!

About the team

As an Amazon CSC Manager, you’ll be embedded within the Digital team but sit within the broader Supply Chain organization, directly owning and driving operations across the digital channel. You’ll lead Collaborative Planning, Forecasting, and Replenishment (CPFR), manage in-stocks, on-time/in-full (OTIF) performance, and oversee chargeback mitigation. From supplier to customer, you’ll play a key role in ensuring product availability and exceptional execution for the Harry’s and Flamingo brands.

About the role

We’re seeking a highly motivated and collaborative individual to join our Customer Supply Chain (CSC) team. This critical role serves as an end-to-end supply chain lead for our Amazon business. You’ll work cross-functionally with our Commercial, Demand Planning, Operations, and Finance teams to ensure seamless product flow to customers. This role is both operational and customer-facing; it requires fostering strong relationships and a commitment to flawless operational execution.

We’re looking for an outstanding operational leader — someone who understands the nuances of retail and digital supply chains, moves quickly to solve problems, and uses data to drive prioritization and decisions. The ideal candidate is a self-starter, detail-oriented, analytical, and a strong communicator, capable of setting strategy and executing against it. This is a high-impact role that requires a balance of big-picture thinking and roll-up-your-sleeves execution.

What you will accomplish

• Grow our Amazon 1P & 3P businesses by identifying process opportunities and setting up operations to scale with the business.


• Partner with the sales team, demand planning, supply planning, and external counterparts (inventory managers, etc.) to lead ongoing forecasting and replenishment needs for the business


• Serve as the go-to expert on Amazon operations, including fulfillment, warehousing, kitting, transportation, retailer contract, allowance, and chargebacks.


• Lead operations activities based on standard processes and data-driven insights; measure return on investment for all activities to optimize investments. 


• Manage third party brokers to ensure the highest level of execution around channel needs and requirements for each customer


• Develop reporting & scorecarding linked to operational success metrics and key performance indicators


• Identify gaps in current operational practices and work with cross-functional partners to create strategic roadmaps for progress


• Lead integrated business planning (IBP) in partnership with Demand Planning to provide accurate inputs on sales and changes in the business


• Support strategic planning and execution: understand our company-wide goals and KPIs and translate this into operational strategies and actions that support. When we are executing large strategic changes, you will be responsible for engaging and driving execution, ensuring risks are managed and opportunities are realized.


• Own end-to-end distribution logistics for your channel, ensuring on-time fulfillment and delivery, managing sales order and inventory accuracy, and driving continuous improvement through chargeback analysis, KPI tracking (e.g., OTIF, in-stocks), and retailer supply chain insights.

This should describe you

• 3-5 years of experience in retail operations, supply chain management, retail sales, or customer supply chain roles.


• Self-starter with strong internal and external relationship management skills


• Strong understanding of key supply chain tools and resources


• Attention to detail and ability to collaborate internally and externally is imperative to success in this role. 


• Knowledge of Supply Chain processes such as Forecasting & Replenishment, Financial planning, Store Operations, Inventory Management, Order (retailer) Management, and Distribution & Logistics


• Strong project management skills including organization and communication, with an ability to self-start initiatives and lead multiple team members (including third-party partners)


• Strong understanding of excel and AI tools, with ability to cut through data to generate, prioritize, and communicate key operational insights

Here's who you'll work with

• Reporting to our Manager of Digital Supply Chain


• You will partner closely with other members of the Amazon Supply Chain team, and be part of a broader Customer Supply Chain group supporting other retailers


• You’ll work closely with other members of the Digital, Supply, Quality, and Finance teams


• You will work closely with senior leaders from across the business who are stakeholders in Amazon operations

Benefits and perks

• Medical, dental, and vision coverage


• 401k match


• Equity in Mammoth Brands 


• Flexible time off and working hours


• Wellness and L&D stipends


• 4 weeks sabbatical after 5 years, 6 weeks after 10 years, and 8 weeks after 15 years 


• 20 fully paid weeks off for parents who give birth, or 16 fully paid weeks off for all other paths to parenthood


• Fun IRL and virtual events including happy hours, team building events, and parties on our rooftop


• Free products from all of our brands

We can’t quantify all of the intangible things we think you’ll love about working at Mammoth Brands, like the exciting challenges we tackle, the smart and humble team you’ll get to work with, and our supportive and inclusive culture. That said, our salary ranges are based on paying competitively for our size and industry, and are one part of our total rewards package, which also includes a comprehensive set of benefits and our equity program. The base salary hiring range for this position is $91,600-$130,000 , but the final compensation offer will ultimately be based on the candidate’s location, skill level and experience.

Mammoth Brands is committed to bringing together individuals from different backgrounds and perspectives. We strive to create an inclusive environment where everyone can thrive, feel a sense of belonging, and do great work together.

Mammoth Brands is an Equal Opportunity Employer, providing equal employment and advancement opportunities to all individuals. We recruit, hire and promote into all job levels the most qualified applicants without regard to race, color, creed, national origin, religion, sex (including pregnancy, childbirth and related medical conditions), parental status, age, disability, genetic information, citizenship status, veteran status, gender identity or expression, transgender status, sexual orientation, marital, family or partnership status, political affiliation or activities, military service, domestic violence victim status, arrest/conviction record, sexual or reproductive health decisions, caregiver status, credit history immigration status, unemployment status, traits historically associated with race, including but not limited to hair texture and protective hairstyles or any other status protected under applicable federal, state and local laws. Mammoth Brands' commitment to providing equal employment opportunities extends to all aspects of employment, including job assignment, compensation, discipline and access to benefits and training.

We respect the laws enforced by the EEOC and are dedicated to going above and beyond in fostering diversity across our company.

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