Senior Demand Planner

ONE/SIZE is a prestige cosmetic brand founded by Luxury Brand Partners & Patrick Starrr and built on one ownable promise: makeup that lasts all day. Our hero product, the On ’Til Dawn setting spray, is one of the best-selling makeup products in the United States. We are also one of the fastest-growing prestige brands in the world right now, live in Sephora and Kohls across North America, continental Europe, the UK, Southeast Asia and the Middle East, in Boots UK, on TikTok Shop and direct-to-consumer, with international growing at triple-digit rates. That growth is exactly why this role exists. We are building the global planning function from the ground up, and this is the leader who will build it. Job Summary: We are seeking a dedicated and talented Senior Demand Planner to join our team. In this role, you will be responsible for leading our sell-in / sell-through forecast and planning and will be the main point of contact for internal and retailer alignment. With a strong analytic and business mindset, they will be a key team member in the development of sales plans and delivering on budgeted sales and margin expectations. As a member of the Finance & Operations team, you will collaborate with key team leaders, and retailers to develop highly productive assortments, new product development (NPD) forecasting and core business planning, build robust go-to-market strategies, and report directly to the SVP of Finance & Operations. This role requires advanced Microsoft Office skills (specifically Excel), excellent collaboration and communication, and a very high level of attention to detail and organization. HYBRID: This role is classified as exempt from the Fair Labor Standard Act’s overtime requirement and is open to candidates based in Los Angeles, CA. While the position is primarily remote, it follows a hybrid schedule requiring occasional in-person work at Culver City, CA 90230. The role requires working in PST hours, so candidates located on the West Coast are preferred. A reliable internet connection and a dedicated workspace free from significant distractions are essential for remote work. What You’ll Do: Essential Job Functions Own the end-to-end demand planning process across all channels (DTC, B2B) Develop and maintain accurate forecasts across short term and mid-range planning Build, run, and share a sell through reporting to the team and leadership on a weekly, monthly, and ad hoc basis Develop SKU and channel plans by retailer and report against actuals and last year, identifying trends and opportunities Main liaison with IT to maintain and ensure the accuracy of the BI tool to allow sales visibility to the entire organization Build and maintain bottom‑up sell‑in / sell‑through forecast in collaboration with the SVP of Finance and Operations and key leadership Partner with the SVP of Finance and Operations and key leadership to ensure budgeted sales and margin expectations are met. Proactively recommend actions and pivot strategy as needed Main point of contact with supply chain and throughout the S&OP process to gain forecasting alignment and identify opportunities and risks Facilitate demand review meetings, ensuring alignment across Sales, Marketing and Finance Support inventory health by improving forecasts accuracy and reducing excess and obsolete inventory Engage with retailers to drive order flow, stock levels, and reorders and negotiate open‑to‑buy as needed with buyer/planner Proactively communicate SKU changes and out of stocks to retailers to maintain optimal PO fulfillment and inventory levels Active member at retailer meetings and market week discussions to drive maximum sales Provide data‑driven recommendations on buy strategies, inventory management, and effectiveness of our commercial/marketing initiatives Lead and maintain productive assortments for each account, own product life cycle, manage new product forecasts, and maintain master SKU list Oversee, forecast, and manage all reductions to sales, including promotions, RTVs, and T&Ds Non‑Essential Job Functions Assist with special projects or initiatives as needed to support departmental goals. Provide backup coverage for team members during absences or peak workload periods. Perform additional administrative tasks or clerical duties as assigned. Support cross‑departmental efforts or collaborative initiatives when required. What You’ll Bring: 6‑8+ years of experience in a similar position Highly analytical, organized, and detail‑oriented Strong business acumen required Hands‑on mindset, able to work in a fast‑paced environment Beauty planning experience is preferred, especially with Sephora Ability to function in a team‑based environment as well as independently Excellent verbal and written communication skills Advanced Microsoft Office skills, with a focus on Excel (manipulating files and working with formulas), as well as experience with NetSuite This position has no supervisory responsibilities. Physical Requirements This role requires the following physical capabilities: Prolonged periods sitting at a desk and working on a computer. Must be able to lift up to 30 pounds at times. Must be able to bend, stretch, kneel, twist, and squat to adjust or position equipment, cameras, or set up for events. Prolonged periods standing, bending, stooping, and reaching Must be able to focus on detailed work for extended periods, which may lead to eye strain or fatigue. Must be able to perform tasks that require fine motor skills, including typing and using a mouse. Must be able to carry and transport promotional or sales materials. Must be able to work in a fast‑paced, often time‑sensitive environment. Why You’ll Love Us: At Luxury Brand Partners, we are more than just a team – we are a vibrant community of creative thinkers and beauty enthusiasts dedicated to shaping the future of luxury in the beauty industry. As the parent company for renowned brands like IGK, R+Co, and ONE/SIZE Beauty, we pride ourselves on fostering innovation, authenticity, and excellence. Together, we collaborate to deliver exceptional products and experiences that empower our customers and elevate the standards of luxury beauty. Here’s what you can look forward to: Health and Wellness Benefits Comprehensive health, dental, and vision insurance along with additional ancillary benefits Flexible spending and health savings accounts (FSA/HSA) Employer paid life insurance coverage with optional supplemental life insurance available Employer paid long‑term and short‑term disability Access to Employee Assistance Program (EAP) Work-Life Balance Starting with 10 vacation days, 4 fixed personal days and 5 sick days (unless state law requires otherwise, in which case we will comply with state law) Twelve paid holidays Paid parental leave Summer Fridays between Memorial Day & Labor Day Compensation commensurate with industry standards and your qualifications 401(k) with company match Monthly technology allowance Eligible for annual discretionary bonus Quarterly sample boxes featuring our brands products Luxury Brand Partners is proud to be an Equal Opportunity Employer. All applicants will be considered for employment without attention to race (including characteristics associated with race, such as hairstyle), color, gender, age, religion, national origin, physical or mental disability, pregnancy (including childbirth, lactation and related medical conditions), reproductive health decision‑making, sexual orientation, ancestry, marital status, veteran status, uniform service member status, genetic information (including characteristics and testing), or other status protected by federal, state or local law. The salary range provided for this position is intended to be a general guideline. Actual compensation may vary depending on factors such as your qualifications, experience, and geographic location. We do not accept unsolicited assistance from headhunters or recruitment firms. Any resumes or profiles submitted without a valid, signed agreement approved by Luxury Brand Partners, will become the property of our company, and no fee will be paid if the candidate is hired based on an unsolicited referral. The role will generally accept applications for at least seven calendar days from the posting date or as long as the job remains posted. Luxury Brand Partners, LLC participates in E‑Verify. What is E‑Verify? (PDF). Also, see E‑Verify Right to Work (PDF). #J-18808-Ljbffr