Growth Marketing Manager: Build High-Impact B2B Campaigns

Rebel Lion Advertising Limited; Greater London; Hybrid; GBP 60,000 - 90,000; Full time

Benefits offered by this job

Private healthcare

Pension scheme

Company laptop

Training and development

Flexible working

25 days annual leave

Job summary

R4 Advertising, London-based, is seeking a Marketing Manager to build and lead its marketing operation and drive demand for the business.

Working with the Marketing Director and Brand lead, you will own campaigns, content, and systems, delivering measurable impact and helping the agency scale nationally and internationally.

This role offers significant ownership, a budget over £500k, and a path to influence growth in a fast-paced, ambitious environment.

Qualifications

• Strong knowledge of HubSpot including workflows, automation, lead management and reporting.
• Experience managing substantial marketing budgets with clear accountability.
• Evidence of generating qualified leads and contributing to commercial pipeline.
• Understanding CAC, attribution and return on investment.
• Experience coordinating internal teams, agencies and external partners.
• Excellent writing, presentation and public-speaking skills.
• Degree or equivalent evidence of professional capability.
• Experience within advertising, media, technology or another ambitious B2B business would be valuable.

Responsibilities

• Deliver marketing strategy alongside Head of Brand.
• Build integrated campaigns that generate awareness, MQLs and opportunities.
• Manage and optimise a marketing budget exceeding £500,000.
• Own HubSpot campaigns, workflows, automation, lead scoring and reporting.
• Coordinate integrations between HubSpot, website and marketing tech.
• Maintain and improve website content, landing pages and conversion journeys.
• Work with new business to target priority brands and sectors.
• Report on MQLs, pipeline contribution, conversion and ROI.

Skills

HubSpot knowledge

Budget management

Lead generation

Campaign management

Marketing strategy

Content writing

Public speaking

Cross-functional collaboration

Analytics & ROI

Presentation skills

Education

Bachelor’s degree or equivalent

Tools

HubSpot CRM

Google Analytics

CMS tooling

Job description

R4 Advertising, London-based, is seeking a Marketing Manager to build and lead its marketing operation and drive demand for the business.

Working with the Marketing Director and Brand lead, you will own campaigns, content, and systems, delivering measurable impact and helping the agency scale nationally and internationally.

This role offers significant ownership, a budget over £500k, and a path to influence growth in a fast-paced, ambitious environment.