Head of Growth Marketing

Arbitr is hiring a Head of Growth Marketing to build and lead marketing from the ground up. The role will develop a repeatable pipeline engine, shape the company’s category narrative, run marketing channels and data workflows, and grow the marketing function.

Responsibilities:

• Pipeline, first and always. Design, launch and scale the programs that generate MQLs and sourced pipeline for our enterprise sales team. You'll own the number and the funnel behind it
• The category story. Shape how we describe Arbitr and the problem it solves. Turn that narrative into messaging, positioning and content that lands with enterprise buyers
• AI-native execution. Use agents and automation to research markets, create content and run experiments in days, not quarters
• The channels. Run social media, the website, campaigns and content end to end
• Data and workflows. Own our marketing data, lead routing and reporting in Attio, so Sales and leadership always know what's working
• The function. Start hands-on with a lean team and contractors, then hire and grow the team as results compound
• Learn fast Sit with Sales, customers and product. Audit the website, content, Attio data and current lead flow. Agree pipeline targets with leadership
• Launch Ship your first campaigns and a sharpened category narrative. Stand up the AI-driven content and testing workflow that lets you move at speed
• Prove and double down Report MQLs and pipeline by channel. Cut what isn't working, scale what is, and put forward your plan for the next two quarters and the team you'll need

Requirements:

• You have a track record of driving MQLs and pipeline for a B2B SaaS or AI company, and you can show the numbers
• You've built marketing from scratch, or close to it, and that energises you rather than scares you
• You work AI-native by default. Agents, automation and rapid testing are how you already operate
• You test, measure and double down. You'd rather run ten small experiments than one big bet
• You can tell a sharp story to enterprise buyers and connect it to revenue
• You're comfortable owning a CRM and marketing data
• Attio experience is a plus
• experience marketing to enterprise content or experience creating or naming a new category