Principal Product Marketing Manager

Job Title: Principal Product Marketing Manager
Location
:
Mountain View, CA | Hybrid
About Us:

Witness

AI is the unified AI security and governance platform enterprises trust to govern and protect all AI activity. We provide complete, network-level visibility into every interaction including employees and autonomous agents, even in native apps where legacy tools are blind. Unlike security that relies on outdated keywords, our platform understands intent, enabling intelligent policies that stop novel threats like prompt injection while empowering productivity.

Witness

AI transforms security from a bottleneck into the enabler of your AI strategy as the confidence layer for enterprise AI.

We are hiring a Product Marketing Manager to define the unified AI security and governance category and establish Witness

AI as its leader. You will own product narrative and positioning, go-to-market execution, and analyst engagement.

The AI security market is early. Buyers are still forming their evaluation criteria for AI security. Industry analysts are writing the first market guides. The opportunity is to define how buyers think about the problem, establish the evaluation criteria, and ensure Witness

AI sets the standard.

This is an individual contributor role. This role reports to the Head of Product Marketing. You will be expected to be at the Mountain View, HQ office twice a week.

• Messaging and Positioning. Define category positioning. Develop the message house. Create evaluation frameworks buyers use.
• Product Launches. Run launches end-to-end. We ship frequently. Own GTM for new capabilities from messaging to enablement to measurement.
• Sales Enablement. Build materials that help reps explain differentiation and close enterprise deals. Training, talk tracks, objection handling.
• Scale Thought Leadership. Create content that drives the pipeline. Whitepapers, solution briefs, web copy, campaign assets. Quality over quantity.
• Market and Competitive Research. Buyer research. Win/loss analysis. Competitive intelligence. Feed insights back to product and sales.
• Channel and Partnerships. Support partner marketing and co-sell motions with enablement and positioning.
• Executive and External Presence. Lead analyst relations. Industry analysts are defining AI security categories. Get Witness
  
  AI into the conversation and the reports. Support executive thought leadership.

• 8+ years in full-lifecycle product marketing. At least 5 years in cybersecurity, cloud, or infrastructure.

• You have engaged directly with CISOs, CIOs, or similar enterprise security buyers.

• Category creation experience. You've helped buyers understand a new problem.

• Strong body of public assets/proof of work.

• High agency. You see business problems and solve them without waiting for permission.

• You’ve done the "Zero to One" journey. You know that early-stage PMM involves messy data, changing roadmaps, and high ambiguity. You don't panic; you prioritize.

• You speak "Security" fluently. You’ve engaged with CISOs and CIOs, and you know how to market to them without fluffy buzzwords.

• You are a builder. You don't wait for a brief. You see a gap in the sales pitch, a misunderstanding in the market, or a missing asset, and you fix it.

• You use AI. We expect you to use modern tools to scale your output. You are opinionated on tools, and have your own AI PMM frameworks to showcase excellence.

• Category-defining moment. You'll shape how buyers and analysts think about AI security.

• Real customers. Fortune 500. Production scale. Referenceable.

• Strong backing from top investors in AI and security.

• Competitive compensation and meaningful equity.

• Hybrid work environment

• Competitive salary and equity

• Health, dental, and vision insurance

• 401(k) plan

• Opportunities for professional development and growth

• Generous vacation policy

$163,000-$220,000 (The exact salary will be determined based on the selected candidate’s location, qualifications, experience, and relevant skills.)