Growth Marketing Manager — Data-Driven Lead Gen & Campaigns

CloserStill Media; Greater London; On-site; GBP 60,000 - 90,000; Full time

Job summary

IMRG is seeking a results-driven Marketing Manager to own the end-to-end growth engine for membership and revenue. You will blend creative thinking with rigorous measurement to shape campaigns that move prospects from awareness to conversion.

You’ll build integrated programs across email, content, social and webinars, partner with the commercial team, and turn data into action, optimizing spend and performance year-round.

Qualifications

• Strong understanding of customer journeys and conversion funnels.
• Background in demand generation, growth marketing, or B2B lead generation.
• Comfortable with CRM platforms (HubSpot experience essential) and marketing automation.
• Proven track record running integrated digital campaigns.
• Balance creative thinking with commercial focus.
• Strong copywriting and messaging skills.
• Data-focused — use numbers to drive decisions.
• Ability to juggle multiple campaigns and priorities.
• Curious about evolving eCommerce and how to stay ahead.

Responsibilities

• Create integrated campaigns (email, content, social, webinars) that move prospects from awareness to conversion.
• Own nurture sequences that move prospects through the funnel.
• Develop campaigns around membership benefits and networking opportunities.
• Build an annual marketing plan that drives membership and revenue growth.
• Identify new audience segments and map acquisition journeys.
• Test messaging and channels; keep what works and discard what doesn’t.
• Monitor website conversion, email engagement, lead quality, and cost per lead.
• Track marketing-influenced pipeline and revenue; optimise budget allocation.
• Turn insights from analysts into lead-gen campaigns and sales materials.

Skills

Customer journey mapping

Demand generation

Growth marketing

B2B lead generation

Integrated campaigns

Copywriting

Data-driven decisions

Campaign management

Multi-tasking

Ecommerce trends

Tools

HubSpot

Job description

IMRG is seeking a results-driven Marketing Manager to own the end-to-end growth engine for membership and revenue. You will blend creative thinking with rigorous measurement to shape campaigns that move prospects from awareness to conversion.

You’ll build integrated programs across email, content, social and webinars, partner with the commercial team, and turn data into action, optimizing spend and performance year-round.