Sr. Manager, Global Brand & Product Mktg

Sr. Manager, Global Brand & Product Mktg

Full Time Management LA Office US

5 days ago Requisition

Salary Range: $ To $ Annually

Senior Manager, Global Brand & Product Marketing (Hybrid)

About ONE/SIZE

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 Tik Tok 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 Manager, Global Brand & Product Marketing to join our team. In this role, you will spearhead brand and product marketing strategies and execution from concept to launch to post-launch, while ensuring the brand shows up consistently and effectively across every consumer touchpoint.

As a member of the Marketing team, you will collaborate with Product Development, Creative, PR/Influencer, Sales, Education, Visual Merchandising, etc. and report directly to the Executive Director, Global Brand & Product Marketing.

HYBRID: This role is classified as exempt from the Fair Labor Standard Act’s overtime requirement and is open to candidates based in LA. While the position is primarily remote, it follows a hybrid 2 day per week schedule requiring occasional in-person work at Culver City, CA 90230. You must be able to work core Pacific hours. A reliable internet connection and a dedicated workspace free from significant distractions are essential for remote work.

Approximately 10-15% travel is expected, to key retail partners and to international markets. This position is classified as exempt from the overtime requirements of the Fair Labor Standards Act.

What You’ll Do:

Essential Job Functions

• Lead cross-functional development of new product innovation launches, managing go-to-market deliverables across Product Development, Creative, Consumer Marketing, Sales, Education, Regulatory, and other key functions.
• Own the development of product messaging, claims language, and marketing copy in partnership with Product Development, Creative & Copy, Regulatory & Claims, and the Executive Director.
• Own brand marketing approvals across consumer-facing touchpoints , ensuring consistency with brand strategy, product positioning, claims, regulatory requirements, and executive direction.
• Manage 360° activation across retailer and digital touchpoints—including gondolas, digital assets, and product detail page content—leveraging industry and consumer insights to strengthen product storytelling and engagement.
• Serve as the central point of contact and category expert for product launches, ensuring internal teams—including Creative, Social, PR/Influencer, Product Development, Education, and Sales—have the information, messaging, and assets needed to activate effectively.
• Develop strategic marketing plans supporting core always-on strategy, driving continued brand love, engagement, and consideration while keeping the brand top of mind with the community.
• Drive post-launch analysis and competitive intelligence, monitoring category trends, industry shifts, consumer insights, and competitor activity to inform product positioning and future marketing strategy.
• Brief cross-functional teams on product storytelling and asset needs, ensuring launch materials are on-brand, accurate,…