Senior Product Marketing Manager

About the Company

LightSource is building the next-generation operating system for Procurement. We build SaaS software that helps procurement leaders discover vendors, manage negotiations, and buy intelligently.

Responsibilities

• Own and continuously refine LightSource's positioning, messaging architecture, and ICP definition
• Develop buyer personas grounded in real customer and prospect research
• Drive product launches end to end including messaging and internal enablement
• Build and maintain a core sales enablement library including battlecards and ROI frameworks
• Own the content strategy and editorial calendar
• Write thought leadership content to build credibility in supply chain and procurement circles
• Partner with demand gen on campaign messaging and analyst narratives
• Track competitive positioning and maintain current battlecards
• Help hire and mentor future PMM and content hires

Requirements

• 5–8 years in product marketing or content marketing at a B2B SaaS company
• Strong writing skills with ability to translate technical capabilities into business value
• Track record of conducting and applying buyer research
• Experience supporting enterprise or mid-market sales cycles
• Ability to lead cross-functional workstreams
• Experience in fast-moving startup environments

Preferred Qualifications

• Background in supply chain, procurement, or industrial operations
• Experience marketing AI or data intelligence products
• Analyst relations or media experience

Benefits

• Top-of-market base compensation with meaningful early-employee equity
• Platinum-level healthcare, dental, and vision (100% covered for employees)
• 401(k) program
• Unlimited vacation and sick days
• Free food in office locations
• Frequent team offsites, events, and trips