Staff Customer Success Engineer (CSE) – AI Security Solutions

About Us:

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. Join us in our pursuit to defend data and protect people.

How We Work:

At Proofpoint you’ll be part of a global team that breaks barriers to redefine cybersecurity guided by our BRAVE core values: 

Bold in how we dream and innovate

Responsive to feedback, challenges and opportunities

Accountable for results and best in class outcomes

Visionary in future focused problem-solving

Exceptional in execution and impact

Overview 

The Staff Customer Success Engineer (CSE) – AI Security Solutions is a post-sales technical leader responsible for ensuring customers successfully deploy, adopt, and realize value from Proofpoint’s AI Security platform. This role serves as a critical bridge between customers, Support, and Engineering—driving implementation, resolving complex issues, and influencing product improvements based on real-world usage. 

The ideal candidate combines strong cybersecurity expertise with hands-on technical skills and a deep understanding of AI security risks, enabling them to guide customers through secure AI adoption. 

Key Responsibilities 

Implementation & Onboarding 

• Lead post-sale implementation of Proofpoint AI Security solutions, including configuration, integration, and deployment 

• Design and execute onboarding plans aligned with customer use cases and AI adoption goals 

• Integrate AI Security capabilities with enterprise environments (endpoints, SaaS, APIs, LLM platforms, and data systems) 

• Ensure successful go-live and transition to steady-state operations 

Customer Adoption & Value Realization 

• Act as a trusted technical advisor to customers on AI security best practices 

• Drive adoption of key platform capabilities, including AI usage visibility, agent governance, and policy enforcement 

• Conduct regular technical check-ins, health reviews, and optimization sessions 

• Help customers operationalize AI security policies and governance frameworks 

Technical Support & Escalation Management 

• Troubleshoot complex technical issues across AI Security deployments 

• Serve as the primary technical escalation point, working closely with Support and Engineering 

• Reproduce issues, collect diagnostic data, and clearly communicate findings to engineering teams 

• Advocate for timely resolution of customer-impacting issues 

Cross-Functional Collaboration 

• Partner with Engineering to provide feedback on product gaps, bugs, and feature enhancements 

• Collaborate with Product Management to influence roadmap based on customer needs 

• Work with Customer Success Managers and Sales Engineers to ensure a seamless customer lifecycle 

Continuous Improvement & Enablement 

• Develop and share best practices, deployment guides, and technical documentation 

• Enable customers on new features and evolving AI