Growth Marketing Specialist (N. America)

iHerb Inc.; Irvine, Northern (CA, KY); Hybrid; USD 54,000 - 95,000; Full time

Job summary

iHerb Inc. in Irvine, CA seeks a Growth Marketing Specialist (North America) to manage and optimize paid media campaigns across Google, Meta, TikTok, and more. You will coordinate localization, tracking, reporting, and ensure campaigns meet goals for new customers, revenue, ROAS, and CAC.

The ideal candidate has 2–5 years in performance or growth marketing, fluency in English and Spanish or Portuguese preferred, a Bachelor's degree in Business or related field, and strong analytical skills.

Qualifications

• Hands-on experience executing or supporting paid media campaigns across platforms such as Google Ads, Meta, TikTok, and Apple Search Ads.
• Strong campaign operations skills including setup, trafficking, QA, budgeting, and performance reporting.
• Fluency in English; Spanish or Portuguese fluency is a plus.

Responsibilities

• Execute and optimize paid media campaigns across assigned North American markets.
• Coordinate localization, creative assets, and tracking parameters for campaigns.
• Monitor performance, KPIs, CAC, ROAS, and adjust budgets and bids as needed.
• Prepare recurring performance reports and insights for cross-functional partners.

Skills

Paid media campaigns

Campaign operations

Performance marketing

Localization coordination

Campaign analytics

English fluency

Spanish/Portuguese preferred

Education

Bachelor's Degree in Business or related field

Tools

Looker

Tableau

Google Analytics

Amplitude

Job description

Growth Marketing Specialist (N. America)

Irvine, California, United States of America Corporate R106970 Posted 17/08/2026

At iHerb, we believe that living a healthy and balanced life should be easy and accessible to everyone. As a team member, we’ll empower you to live this promise each day as you make a truly global impact in your career. We constantly strive for innovation, while transforming and improving the online shopping experience for our customers. We believe that individually we are incredible, but when we come together, our growth is infinite. In an industry that is constantly evolving, we are on a mission to make an impact on the global market, and the individual and collaborative efforts of our people are paramount to helping us succeed. Whether you work in one of our logistics centers, technology hubs, corporate offices or even from home, your role at iHerb will take you beyond what’s expected, turning challenge into change. If you're ready for it, we want you to join our team.

** We are looking for someone with a fluency in Spanish **

Job Summary:

We are looking for a Growth Marketing Specialist, North America to support the execution, optimization, and operational management of paid media campaigns across key markets.

The Growth Marketing Specialist will help implement campaign strategies, monitor performance, coordinate creative and localization workflows, maintain reporting accuracy, and ensure campaigns are launched and optimized efficiently across assigned performance media platforms.

Job Expectations:

• Execute and support paid media campaigns across assigned markets, including campaign setup, QA, launch, monitoring, pacing, optimization, and reporting.

• Manage day-to-day campaign operations across global performance platforms, including Google Ads, Meta Ads, TikTok Ads, Apple Search Ads, and other relevant regional paid media platforms.

• Implement campaign structures, audience targeting, bidding strategies, budgets, creative rotations, tracking parameters, and platform settings based on approved growth plans.

• Monitor campaign performance daily and identify issues related to spend pacing, delivery, tracking, creative fatigue, audience performance, conversion rates, CAC, ROAS, and other core KPIs.

• Support optimization of paid media campaigns against goals such as new customer acquisition, revenue, ROAS, CAC, LTV, payback period, contribution margin, and conversion rate.

• Assist with budget pacing and reallocation recommendations across markets, platforms, campaigns, ad groups, audiences, and creative assets.

• Support structured testing roadmaps across creative, audiences, bids, landing pages, campaign structures, offers, localization, and platform features.

• Coordinate performance creative workflows, including briefing, asset trafficking, localization, naming conventions, version control, approvals, uploads, and post-launch performance tracking.

• Partner with creative, localization, and regional stakeholders to ensure ads are accurate, culturally relevant, platform-compliant, and aligned with performance testing needs.

• Analyze performance creative by format, hook, message, offer, language, market, audience, placement, and funnel stage.

• Maintain campaign documentation, testing trackers, launch calendars, QA checklists, naming conventions, UTM standards, and reporting processes.

• Support measurement initiatives including incrementality tests, geo tests, platform lift studies, holdout tests, attribution analysis, and cohort reporting.

• Prepare recurring performance reports, insights summaries, test readouts, and campaign performance updates for managers and cross-functional partners.

• QA tracking, attribution, pixels, conversion events, product feeds, landing URLs, UTMs, and campaign taxonomy to ensure reporting accuracy.

• Work with analytics, data science, and measurement partners to validate campaign data and troubleshoot reporting discrepancies.

• Support agency, platform partner, and vendor coordination, including campaign requests, asset delivery, performance follow-ups, billing inputs, and meeting preparation.

• Monitor E platform updates, regional media trends, auction dynamics, competitive shifts, and performance benchmarks.

• Identify opportunities to improve operational efficiency, campaign QA, reporting quality, creative testing processes, and execution speed.

The duties and responsibilities described above may provide only a partial description of this position. This is not an exhaustive list of all aspects of the job. Other duties and responsibilities not outlined in this document may be added as necessary or desirable, with or without notice.

Knowledge, Skills and Abilities:

Required:

• Hands-on experience executing or supporting paid media campaigns across platforms such as Google Ads, Meta Ads, TikTok Ads, Apple Search Ads, or similar performance channels.

• Possess a passion for campaign operations, performance analysis, creative testing, and process improvement.

• Experience with E-specific platforms, or similar regional paid media platforms strongly preferred.

• Strong campaign operations skills, including campaign setup, trafficking, QA, budget pacing, naming conventions, tracking, and performance reporting.

• Working knowledge of paid search, paid social, app acquisition, display, retargeting, shopping campaigns, catalog ads, and feed-based advertising.

• Ability to analyze campaign performance and identify practical optimization opportunities.

• Familiarity with key performance metrics including CAC, ROAS, LTV, conversion rate, CTR, CPC, CPM, CVR, payback period, retention, and contribution margin.

• Exposure to incrementality measurement, platform lift studies, holdout testing, geo testing, attribution analysis, or media mix measurement preferred.

• Experience supporting creative testing and translating performance results into clear creative learnings.

• Strong attention to detail and ability to manage multiple campaigns, markets, deadlines, and stakeholders at once.

• Comfortable working with spreadsheets, dashboards, reporting tools, and campaign management platforms.

• Organized, analytical, detail-oriented, and comfortable working across multiple markets, channels, campaigns, and stakeholders.

• Professional fluency or native-level fluency in English required.

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

Equipment Knowledge:

• Experience with Microsoft Office Suite (Word, Excel, PowerPoint)

• Experience with Google Business Suite (Gmail, Drive, Docs, Sheets, Forms) preferred

• Experience with analytics and BI tools such as Looker, Tableau, Google Analytics, Amplitude, or similar platforms.

• Experience with ecommerce marketing operations platforms & tools.

Experience Requirements:

Generally requires 2 - 5 years of experience in performance marketing, growth marketing, paid media, digital marketing, or marketing operations.

Education Requirements:

Bachelor’s Degree in Business or related field preferred.

Compensation

The expected salary range for this role is $54,063 - $95,000 USD. The actual base pay offered will be determined by factors such as the candidate's relevant experience, education, geographic location, and internal equity.

iHerb is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. iHerb provides equal employment opportunities to all applicants for employment and prohibits discrimination and harassment.