Assistant Marketing Manager, Digital Marketing

Company: KOSÉ America

Location: New York, NY (Hybrid: 2 days/week)

Reports To: Director of Digital Marketing

Level: Assistant Manager

Salary Range

$80,000–$90,000 annually, based on experience and qualifications

About KOSÉ

KOSÉ is one of Japan’s leading beauty companies, with a portfolio spanning prestige and masstige skincare and makeup. KOSÉ America is currently undergoing a strategic transformation to build a focused, profitable growth engine in North America—combining world-class Japanese innovation with market-led, digital-first execution.

Position Summary

We are seeking a highly organized, analytical, and detail-oriented Assistant Marketing Manager to support our Director of Digital Marketing in executing and optimizing key customer acquisition, retention, and eCommerce initiatives.

The ideal candidate has experience within the beauty, skincare, cosmetics, or personal care industry and possesses a strong understanding of digital marketing channels, customer lifecycle marketing, and eCommerce performance metrics.

This role will be responsible for supporting email and SMS marketing programs, content management, digital advertising initiatives, affiliate marketing, website optimization efforts, customer feedback programs, subscription marketing, and performance reporting. The successful candidate combines strong project management skills with a data-driven mindset and a passion for delivering exceptional customer experiences.

Key Responsibilities

Promotion & GWP Planning

• Support the planning, execution, and post-analysis of promotional programs, including sitewide promotions, product-specific offers, seasonal campaigns, and retailer-aligned initiatives.
• Assist in building and maintaining the promotional calendar across eCommerce, CRM, affiliate, and paid media channels.
• Coordinate Gift With Purchase (GWP) programs, including offer setup, product selection support, inventory tracking, merchandising, and campaign execution.
• Monitor promotion and GWP performance, including sales lift, conversion rate, AOV, redemption rate, margin impact, and customer acquisition/retention contribution.
• Partner with cross-functional teams, including operations, marketing, social and agencies, to ensure promotional programs launch accurately and on schedule.
• Support post-campaign recaps and provide recommendations to optimize future promotional strategy, GWP effectiveness, and customer engagement.

CRM & Lifecycle Marketing

• Support the execution, optimization, and reporting of email and SMS marketing campaigns across promotional, automated, and retention-focused programs.
• Assist in audience segmentation, customer journey development, and campaign testing initiatives.
• Monitor campaign performance and provide actionable recommendations to improve engagement, conversion, and retention metrics.
• Collaborate with creative and content teams to ensure timely delivery of campaign assets and messaging.

Website Content & eCommerce Support

• Manage and update website content, landing pages, promotional messaging, and product merchandising.
• Support ongoing website optimization initiatives focused on improving user experience and conversion rates.
• Assist with product launches, promotional campaigns, and seasonal marketing initiatives across digital channels.
• Monitor website performance metrics and identify opportunities for improvement.

Digital Advertising Support

• Assist in coordinating paid media campaigns across channels including Meta, Google, YouTube, TikTok, and affiliate platforms.
• Support creative asset management, campaign tracking, and performance reporting.
• Collaborate with agency partners and internal stakeholders to ensure campaigns launch accurately and on schedule.
• Analyze campaign performance and provide insights to improve return on ad spend (ROAS) and customer acquisition efficiency.

Affiliate Marketing

• Support affiliate program management, including partner recruitment, promotional planning, performance monitoring, and reporting.
• Coordinate affiliate offers, creative assets, and campaign communications.
• Identify opportunities to expand affiliate partnerships and improve program effectiveness.

Conversion Rate Optimization (CRO)

• Assist with website testing initiatives, including A/B tests, landing page optimization, and customer journey improvements.
• Analyze user behavior and conversion funnel performance using web analytics tools.
• Develop insights and recommendations that improve conversion rates and overall site performance.

Customer Insights & Reviews

• Support customer survey programs to gather feedback and identify customer experience opportunities.
• Assist in analyzing survey results and translating findings into actionable recommendations.
• Manage and support customer review collection and review syndication efforts across retail and eCommerce channels.
• Monitor customer sentiment trends and share key insights with stakeholders.

Subscription Program Support

• Support the growth and optimization of product subscription programs.
• Monitor subscription performance metrics including enrollment, retention, churn, and customer lifetime value.
• Assist in developing campaigns and customer communications designed to improve subscription acquisition and retention.

Analytics & Reporting

• Build, maintain, and analyze reports across digital marketing channels and eCommerce performance.
• Utilize Excel and other analytics tools to identify trends, opportunities, and actionable insights.
• Track KPIs including traffic, conversion rate, customer acquisition cost, retention, subscription metrics, email performance, and revenue contribution.
• Prepare recurring performance reports and presentations for leadership.

Qualifications

Required Experience

• Bachelor's degree in Marketing, Business, Communications, or related field.
• 3–5+ years of digital marketing experience, preferably within the beauty, skincare, cosmetics, personal care, or consumer packaged goods industry.
• Hands-on experience with email marketing and SMS marketing platforms.
• Experience supporting eCommerce businesses and direct-to-consumer marketing initiatives.
• Familiarity with digital advertising channels, affiliate marketing, and website content management systems.

Technical Skills

• Advanced Microsoft Excel skills, including pivot tables, VLOOKUP/XLOOKUP, data manipulation, and reporting.
• Strong analytical capabilities with the ability to translate data into actionable insights.
• Experience with Google Analytics, Shopify, or comparable eCommerce and analytics platforms.
• Familiarity with A/B testing and conversion rate optimization methodologies.
• Experience using project management platforms such as Asana, Monday.com, Jira, Trello, or similar tools.

Preferred Qualifications

• Beauty, skincare, cosmetics, or wellness industry experience strongly preferred.
• Experience with customer review management and review syndication platforms.
• Familiarity with Shopify, Klaviyo, Attentive, Yotpo, Google Ads, Meta Ads, Awin, Google Analytics, Visually, SurveyMonkey, Recharge, Bazaarvoice, or similar marketing technology platforms.
• Experience working with external agencies and cross-functional teams.

Key Competencies

• Strong project management and organizational skills.
• Exceptional attention to detail and ability to manage multiple priorities.
• Analytical mindset with strong problem-solving abilities.
• Excellent communication and collaboration skills.
• Results-oriented with a passion for customer experience and digital growth.
• Ability to thrive in a fast-paced, entrepreneurial environment.

Reporting Structure

This position reports directly to the Director of Digital Marketing and works closely with Brand Marketing, Social Media Marketing, Operations, Education, Customer Support, and external agency partners.

Why Join KOSÉ America?

At KOSÉ America, we believe exceptional talent deserves exceptional support. We are committed to creating an environment where employees can grow their careers while maintaining a healthy work-life balance.

Our employees enjoy

✔ Comprehensive Medical, Dental & Vision Coverage with eligibility beginning shortly after hire so you can take care of yourself and your family from day one.

✔ Competitive 401(k) Program with Company Match to help you invest confidently in your future.

✔ Generous Paid Time Off because we believe time to recharge is essential to doing your best work.

✔ An Enhanced Holiday Schedule featuring multiple extended holiday weekends throughout the year, including additional company-designated days around major holidays.

✔ Annual Holiday Office Closure Between Christmas and New Year’s, providing employees with dedicated time to disconnect and recharge. If business needs arise and employees are asked to support operations during this period, they will receive compensatory time off in recognition of their contribution to enjoy that time back at a later date.

✔ A Collaborative, Global Beauty Environment where you'll work alongside passionate professionals supporting some of the world's most respected beauty brands.

✔ Opportunities for Growth and Development within a global organization that values innovation, creativity, and continuous learning.

✔ A People-First Culture that recognizes contributions, encourages collaboration, and supports employees both professionally and personally.