6sense is a GTM Intelligence Platform whose Foundation pillar provides the data, infrastructure, identity, APIs, security, and workflows supporting its broader platform. The Principal Technical Product Marketing Manager will own positioning, messaging, and go-to-market for the Foundation pillar, translating complex technical capabilities into differentiated stories for technical and economic buyers. The role will lead technical proof, MCP and composable-platform narratives, launches, enablement, competitive intelligence, and cross-functional collaboration with Product, Engineering, Sales Engineering, and Customer Success.