Customer Marketing Manager

Location: Reigate or Manchester area Working Pattern: Hybrid | 4.5 day working week (Half day Fridays) 2 days per week in office Job Type: Full-time, Permanent Reporting to: VP Marketing Key stakeholders: Customer Success, Marketing Operations, Revenue Operations, Product Salary range: £50,000-£60,000 Dependant on experience About Infinity Infinity is an award-winning call intelligence and conversation analytics platform that helps marketing, sales, and customer teams unlock insight from every conversation. As a fast-growth B2B SaaS business, we work with leading brands to improve performance, maximise ROI, and drive sustainable revenue growth. As Marketing takes on increased accountability for retention and expansion , we’re investing in a more structured, lifecycle-led approach to customer growth. We’re now looking for a Customer Marketing Manager to help us strengthen adoption, drive expansion, and improve Net Revenue Retention (NRR) across our customer base. The role The Customer Marketing Manager owns marketing-led initiatives that drive customer adoption, retention, expansion, and advocacy . This role is responsible for shaping and executing customer growth strategies across the lifecycle – ensuring customers clearly understand, realise, and continue to unlock value from Infinity. Working closely with Customer Success, Product, Marketing Operations, and Revenue Operations, you’ll design campaigns and programs that support long-term customer growth and measurable commercial outcomes. Key responsibilities Customer growth & NRR Own marketing-led initiatives that support retention, expansion, and advocacy , aligned to NRR and expansion ARR goals. Identify opportunities to grow revenue through improved adoption, maturity, and value realisation across existing customers. Develop and prioritise customer growth initiatives that create measurable commercial impact. Lifecycle strategy & execution Define and manage the customer lifecycle across onboarding, adoption, growth, renewal, and advocacy. Design and deliver lifecycle-led campaigns and communications that are timely, relevant, and value-focused. Partner with Marketing Operations to ensure lifecycle strategies are delivered through scalable, automated execution. Adoption & expansion campaigns Create and run targeted campaigns that drive adoption and usage of existing capabilities and use cases. Create and run targeted campaigns that drive adoption and usage of new capabilities and use cases – supporting new product launches as a part of the businesses broader GTM team. Develop expansion campaigns supported by clear value propositions, proof points, and customer outcomes. Work closely with Customer Success to support account retention and expansion conversations focussed on improving product usage and maturity. Customer value messaging & content Own customer-facing messaging frameworks that clearly articulate business value and outcomes. Translate product capabilities into meaningful benefits for different customer segments. Develop customer stories, case studies, and proof points that support retention, expansion, and advocacy. Customer insight & feedback Gather and analyse customer insight from usage data, Customer Success feedback, and direct engagement. Identify barriers to adoption or growth and use insight to inform campaign and messaging improvements.