Senior Growth Marketing Manager

Flexport•San Francisco, CA

1d•$160,000 - $184,000•Onsite

About The Position

Flexport is hiring a Senior Growth Marketing Manager for a hands-on individual contributor role based in San Francisco. The role owns full-funnel marketing across acquisition, expansion, and nurture, managing channels directly and building the tracking and experimentation systems used to evaluate performance. It uses AI-first workflows to increase output with a lean team and partners with Brand & Event Marketing, Sales, Sales & Marketing Operations, Customer Success, Product, and Engineering to win new accounts and expand existing ones. The position reports to the Director of Growth Marketing. The manager owns paid media, SEO and AEO, account-based programs, customer marketing, conversion optimization, measurement, and experimentation. They also build AI-enabled workflows and internal growth tools, connect marketing investments to pipeline and revenue, and guide channel decisions using data and experimental results.

Requirements

7+ years of B2B marketing experience reaching mid-market to enterprise buyers, with ownership of marketing-driven pipeline and account expansion.
5+ years of hands-on paid media experience, managing 7- to 8-figure budgets and scaling spend to the efficient frontier.
2+ years of building with AI, including shipping workflows, automations, or internal tools.
Expertise in paid media, broad channel knowledge, and technical depth.
Command of tracking, attribution, unit economics, and incrementality methods, including multi-touch models and adstock.
Comfort querying data warehouses, performing segmentation and cohort analysis, and using reverse ETL, with judgment to apply data science where it changes a decision.
Working knowledge of A/B testing tools and experimental design.
Ability to operate and be a stakeholder in the sales and marketing stack, including CRM, ESP, CMS, account and transaction data, web analytics, and product telemetry.
Strong copywriting and conversion optimization skills from first touch through expansion.
Ability to use AI to craft copy and experiences and distinguish generic output from relevant, on-brand marketing.
AI-first instincts, including knowing what to automate, what to review, and where human judgment matters.
Clear, confident communication with senior leaders and partner teams.
Organized work style across multiple campaigns and stakeholders.
Curiosity about the industry and customers, and motivation to learn ocean and air freight, customs, fulfillment, and the broader supply chain.
Adaptability, eagerness to take on new areas of marketing, and an entrepreneurial spirit.

Nice To Haves

Logistics, supply chain, or technology marketing experience.

Responsibilities

Manage paid media for acquisition and expansion across Google Ads, LinkedIn, Meta, and YouTube, including campaign structure, bidding, and audience development.
Forecast and allocate budget, and decide what to scale or stop based on qualified pipeline and expansion revenue.
Own AEO and SEO by understanding ranking factors, filling content gaps, increasing share of relevant volume, and tracking changes in LLM and agentic search.
Test new channels such as X, Reddit, and creator partnerships, and scale successful channels.
Manage the eCommerce store and direct mail, and support events and out-of-home campaigns for brand awareness and sales.
Build account-based programs with Sales and Customer Success by defining target accounts, using buying signals, and coordinating campaigns with sales outreach and events.
Lead agency and vendor partners with clear briefs and accountability.
Develop value propositions, differentiation, and persona-based messaging based on customer research, competitive positioning, and Product narratives.
Optimize landing pages and conversion paths, including offers and personalization by segment.
Build customer marketing programs for account expansion and attach, segmenting customers by usage and whitespace and running cross-sell and upsell campaigns.
Build and maintain tracking infrastructure, including tag management, server-side tracking, conversion APIs, and offline conversion imports that send CRM outcomes to ad platforms.
Connect spend to pipeline, expansion, and attach revenue using unit economics and multi-touch and self-reported attribution.
Prove incrementality with holdout and geo-lift tests, and model adstock and diminishing returns to guide channel investment.
Run a documented, hypothesis-driven experimentation program across audiences, bids, offers, creative, and landing pages, with clear readouts.
Use SQL and data science to segment audiences and analyze cohorts, and use reverse ETL to push modeled audiences into advertising and lifecycle platforms.
Work with Sales & Marketing Operations on campaign tracking, lead flow to sales handoff, lead quality, and account expansion analysis.
Build AI-first workflows for research, creative, analysis, QA, and reporting using MCPs, computer use, and automation scripts, with expert human direction of strategy and output.
Build and extend the growth stack and internal tools with code, APIs, command-line tools, and version control, and document systems for reuse.
Track how AI is changing paid media and measurement, and bring effective approaches to the team.