Growth Marketing Manager (N. America)

Irvine, CA (On-site)

$77K/yr – $115K/yrSenior Level7+ years expFull time

Posted 2 months ago

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Job Summary

Own and optimize the full-funnel paid media portfolio across global and regional platforms, turning data into scalable growth through testing, attribution, and cross-functional collaboration.

  • Own the end-to-end paid media process across Google, Meta, TikTok, and regional platforms, including setup, trafficking, and daily optimization.
  • Lead structured testing and creative iteration for audiences, bidding, and landing-page concepts to improve scale and efficiency.

Job Description

Responsibilities

  • Owns the full-funnel paid media process, including campaign setup, ad trafficking, and daily optimization across Google Ads, Meta Ads Manager, etc.
  • Manage paid media campaigns across global and region-specific performance platforms including Google Ads, Meta Ads, TikTok Ads, Apple Search Ads, and other regional platforms.
  • Optimize campaigns against business goals including new customer acquisition, revenue, ROAS, CAC, LTV, contribution margin, conversion rate, and payback period.
  • Develop budget allocation strategies across markets, channels, campaigns, audiences, and funnel stages based on performance, incrementality, and growth potential.
  • Lead performance creative testing across paid social, search, display, app, and regional media platforms.
  • Partner with creative teams to develop, test, and iterate performance assets (static ads, short-form video, UGC-style creative, localized messaging, landing page concepts, app install assets).
  • Build and manage structured testing roadmaps for audiences, bidding strategies, campaign structures, creative concepts, offers, landing pages, and platform-specific optimization tactics.
  • Analyze campaign performance by market, channel, audience, creative, product category, device, and customer segment to identify opportunities for scale and efficiency.
  • Lead measurement efforts across attribution, incrementality, media mix insights, geo testing, holdout testing, lift studies, cohort analysis, and LTV-based optimization.
  • Work with analytics and data science partners to improve performance reporting, attribution accuracy, incrementality measurement, and decision-making frameworks.

Requirements

  • Seven (7) years of experience in performance marketing, growth marketing, paid media, or digital acquisition, preferably in eCommerce, marketplace, retail, consumer technology, subscription, beauty, health and wellness, or mobile app businesses.
  • Hands-on experience managing paid media campaigns across multiple markets.
  • Deep platform expertise across major global paid media channels, including Google Ads, Meta Ads, TikTok Ads, and Apple Search Ads.
  • Strong understanding of paid search, paid social, app acquisition, display, retargeting, shopping campaigns, feed-based advertising, and marketplace media.
  • Proven ability to manage and optimize meaningful paid media budgets across multiple markets and channels.
  • Strong analytical skills with experience measuring CAC, ROAS, LTV, payback period, conversion rate, retention, contribution margin, and cohort performance.
  • Experience with incrementality measurement, geo tests, conversion lift studies, holdout tests, matched market tests, or media mix modeling inputs.
  • Strong understanding of attribution limitations, platform-reported bias, privacy changes, signal loss, and measurement tradeoffs.
  • Experience building creative testing frameworks and translating performance data into actionable creative recommendations.
  • Ability to assess creative performance by hook, message, offer, format, audience, localization, and funnel stage.

Preferred

  • Professional fluency or native-level fluency in Spanish or Portuguese preferred.

Benefits

  • Medical, dental, vision, and basic life insurance programs.
  • 401(k) plan eligibility.
  • Time Off and Paid Sick Leave eligibility.
  • Paid holidays throughout the calendar year.
  • Restrict Stock Units and annual bonuses pursuant to eligibility and performance criteria.
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iHerb

iHerb is on a mission to make health and wellness accessible to all. Since our founding in 1996, we have been dedicated to offering Earth’s best-curated selection of health and wellness products, at the best possible value, delivered with the most convenient experience. We believe that health and wellness should be a universal right made possible through compassion and our collective action.With a passion for wellness and a mind for innovative solutions, iHerb team members share a vision for a healthier world that drives them each day. Our teams have a strong sense of commitment and pride in their work, which has allowed us to grow. At iHerb, our purpose is to empower people to enhance their health, happiness, and well-being — that starts with valuing our team members by providing a positive culture with competitive benefits. Our five shared values unite our team members across the globe and provide a stable foundation. These values speak to who we are, the culture we’re building, and how every single team member contributes to our larger company vision. iHerb's Shared ValuesFocus on the Customer · Empower Our People · Be Entrepreneurial & Pivot Quickly · Embrace Diversity & Inclusion · Strive for Simplicity

Founded in 1996
Irvine, California, USA
1.6K employees (110 in marketing)

Traffic Signals

Monthly Visitors
39.5M
Monthly Google Ads Budget
$414.4K
Traffic Source Mix
Search
46%
Direct
47.7%
Referral
3.3%
Social
1.8%
Paid
1%

Headcount Trend

Current headcount: ~1.7K

Marketing Team

Marketing Team Size
85 (5% of company)
Marketing Roles Posted (Last 30 Days)
1

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