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Principal Sales Engineer - AI Security Solutions

Proofpoint, Phoenix, AZ, United States


Principal Sales Engineer – AI Security solutions Proofpoint is a global leader in human- and agent-centric cybersecurity. We protect how people, data, and AI agents connect across email, cloud, and collaboration tools. Over 80 of the Fortune 100, 10,000 large enterprises, and millions of smaller organizations trust Proofpoint to stop threats, prevent data loss, and build resilience across their people and AI workflows. Our mission is simple: safeguard the digital world and empower people to work securely and confidently.

Overview The Principal Sales Engineer (SE) – AI Security Solutions is a customer-facing technical expert responsible for driving adoption of Proofpoint’s AI‑driven security portfolio. This role is a member of the AI Security solutions team and partners closely with Sales, Product, and Customer Success teams to articulate the value of our AI Security solutions. The ideal candidate blends strong cybersecurity expertise with knowledge of how AI is used in the agentic workspace and excels at translating complex technical concepts into business value.

Customer Engagement

Build credibility with security, AI/ML, and IT stakeholders, including CISOs, security architects, and data leaders.

Lead technical workshops on AI risk, governance, and secure adoption strategies.

Support proof‑of‑value (POV) and proof‑of‑concept (POC) engagements focused on real‑world AI use cases.

Provide best practices for integrating AI security into existing security and data protection architectures.

Cross‑Functional Collaboration

Partner with Product Management to provide field feedback on AI Security capabilities and roadmap.

Collaborate with Marketing to develop thought leadership on AI security, agentic risk, and governance.

Work with Customer Success to ensure successful onboarding and expansion of AI Security deployments.

Required Qualifications

5+ years of experience in Sales Engineering, Solutions Engineering, or similar technical pre‑sales roles.

Strong background in cybersecurity.

Experience discussing AI/ML concepts, AI risk, or emerging AI security challenges.

Proven ability to deliver compelling technical presentations and product demonstrations.

Strong consultative skills with the ability to map technology to business outcomes.

Experience in enterprise software deployments on end‑user devices and cloud environments.

Familiarity with networking concepts, including TCP/IP, Proxy, Firewall, CASB, and SIEM.

Key Skills

AI security domain expertise.

Technical storytelling and value articulation.

Solution architecture and systems thinking.

Customer‑facing communication.

Analytical and problem‑solving skills.

Benefits

Competitive compensation.

Comprehensive benefits.

Career success on your terms.

Flexible work environment.

Annual wellness and community outreach days.

Recognition for your contributions.

Global collaboration and networking opportunities.

Proofpoint is an equal‑opportunity employer; we hire without consideration to race, religion, creed, color, national origin, age, gender, sexual orientation, marital status, veteran status or disability.

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