Growth Marketing Specialist (N. America) at iHerb | Irvine, CA | $54K/yr – $95K/yr

iHerb

Growth Marketing Specialist (N. America)

Irvine, CA (On-site)

$54K/yr – $95K/yrMid Level2+ years expFull time

Posted 1 month ago

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Job Summary

Own and optimize paid media across markets, owning end-to-end campaign execution, operational hygiene, and reporting while driving efficiency and measurable outcomes.

Campaign Execution & Optimization: Build, launch, monitor, and refine across Google, Meta, TikTok, and Apple Search Ads to hit CAC, ROAS, and new-customer goals.
Testing & Localization Roadmaps: Lead cross-market creative and audience experiments, landing-page tests, and localization aligned with platform features.
Measurement & Partnerships: Align with analytics, attribution, and measurement teams to validate impact and share actionable insights with stakeholders.

Job Description

Responsibilities

Execute and support paid media campaigns across assigned markets, including setup, QA, launch, monitoring, pacing, optimization, and reporting
Manage day-to-day campaign operations across Google Ads, Meta Ads, TikTok Ads, Apple Search Ads, and other regional platforms
Implement campaign structures, audience targeting, bidding strategies, budgets, creative rotations, tracking parameters, and platform settings
Monitor campaign performance daily and identify issues related to spend pacing, delivery, tracking, creative fatigue, audience performance, conversion rates, CAC, ROAS, and other KPIs
Support optimization of campaigns toward 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: briefing, asset trafficking, localization, naming conventions, version control, approvals, uploads, and post-launch tracking
Partner with creative, localization, and regional stakeholders to ensure ads are accurate, culturally relevant, platform-compliant, and aligned with 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, UTMs, 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
Collaborate with analytics, data science, and measurement partners to validate data and troubleshoot discrepancies
Support agency, platform partner, and vendor coordination: campaign requests, asset delivery, performance follow-ups, billing inputs, meeting prep
Monitor 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

Requirements

2 - 5 years of experience in performance marketing, growth marketing, paid media, digital marketing, or marketing operations
Hands-on experience executing or supporting paid media campaigns across Google Ads, Meta Ads, TikTok Ads, Apple Search Ads or similar platforms
Bachelor’s Degree in Business or related field preferred
Strong campaign operations skills: setup, trafficking, QA, budget pacing, naming conventions, tracking, 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 CAC, ROAS, LTV, conversion rate, CTR, CPC, CPM, CVR, payback period, retention, and contribution margin
English fluency required; Spanish/Portuguese fluency preferred
Experience with Microsoft Office Suite; Google Business Suite; analytics/BI tools; ecommerce marketing operations platforms/tools
Knowledge of platforms: Google Ads, Meta Ads, TikTok Ads, Apple Search Ads; ability to manage multiple campaigns across markets

Nice_to_have

Experience with incrementality measurement, platform lift studies, holdout testing, geo-testing, attribution analysis, or media mix measurement
Fluency in Spanish or Portuguese (preferred)
Experience with Looker, Tableau, Google Analytics, Amplitude, or similar analytics/BI tools (preferred)
Experience across multiple markets, channels, campaigns, and stakeholders

Benefits

Medical, dental, and vision insurance
401(k) plan with company contributions
Paid time off and paid sick leave
Paid holidays
Stock units and annual bonuses (eligibility-based)
Wellness and health programs
International benefits eligibility depending on country

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)

www.iherb.com