Growth Marketing Specialist (N. America)

About this role

For A Better You

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. Get started now.

** 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.

•

Similar jobs

• Growth Marketing Specialist — Coinflow · Chicago
• Growth Marketing Specialist — Taaraconnect · Sunnyvale, CA
• Growth Marketing Specialist — Heygen · San Francisco / Los Angeles
• Growth Marketing Specialist — DriveTime Family of Brands · AZ
• Growth Marketing Manager — August · New York City
• Growth Marketing Manager — Casechek · Remote
• Growth Marketing Manager — Composio · sf
• Growth Marketing Manager — Injective · Remote