Founding Product Marketing Manager

Venatrix; Greater London; Hybrid; GBP 95,000 - 116,000; Full time

Job summary

Venatrix in London is seeking a Founding Product Marketing Manager to establish and lead the product marketing function. This high-impact IC role involves shaping product narratives, bringing launches to market, enabling commercial teams, and building scalable PMM foundations from scratch.

Reporting to senior leadership, you will own positioning, partner with Product on roadmaps, rebuild sales materials, map buyer journeys, and develop market insights to drive commercial impact.

Qualifications

• 4+ years in B2B product marketing (SaaS/tech).
• Experience building PMM in ambiguous environments.
• PMM across two businesses or strong founding PMM background.
• Commercially minded, hands-on, without a predefined playbook.

Responsibilities

• Own product positioning and go-to-market plans for releases.
• Collaborate with Product to translate roadmap updates into narratives.
• Rebuild sales enablement materials like battlecards.
• Map buyer journey and ensure consistent messaging at each stage.
• Develop competitor and market insights to inform positioning.
• Create processes and roadmap for growing PMM function.
• Present ideas clearly and gain buy-in from technical and commercial stakeholders.

Skills

Product marketing

SaaS

Startup experience

Go-to-market

Sales enablement

Stakeholder management

Job description

London (Shoreditch) | Hybrid: 2–3 days per week in office | Up to £105,000

A growing B2B SaaS business is hiring a Founding Product Marketing Manager to establish and lead its product marketing function.

This is a high-impact IC role for someone who enjoys building from scratch: shaping product narratives, bringing launches to market, enabling commercial teams, and creating the foundations of a scalable PMM function.

What's in it for you?

• Build a product marketing function from scratch
• Shape the company’s product launches, positioning, and sales enablement
• Work closely with senior marketing, product, and commercial leaders
• Potential to grow into people leadership as the marketing team expands

The role

Reporting to the CMO, you’ll work closely with Product, Sales, Customer Success, and senior leadership.

You will:

• Own product positioning, messaging, and go-to-market plans for product releases
• Partner with Product to turn roadmap updates into clear customer and commercial narratives
• Rebuild sales-enablement materials, including battlecards and objection-handling guides
• Map the buyer journey and ensure consistent messaging across each stage
• Develop competitor and market insight to inform positioning
• Build the processes, assets, and roadmap for product marketing as the function grows
• Present ideas clearly and gain buy‑in across technical and commercial stakeholders

To be successful as the Product Marketing Manager, all you need to have is:

• 4+ years’ B2B Product marketing experience product within SaaS or tech
• Startup or scale‑up experience, ideally having built PMM capability in an ambiguous environment
• PMM experience across two businesses, or a strong founding PMM background
• Commercially mind ed, hands‑on and comfortable without an existing playbook
• Able to influence ir -

Join at a pivotal stage and define how a growing SaaS business takes its products to market - building a function, influencing senior leaders, and seeing your work make a visible commercial impact.