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

The Role

As a Senior Sales Engineer for Enterprise accounts, you will partner closely with an Account Manager to lead pre-sales, become a trusted advisor, and drive solution value across Proofpoint’s portfolio—Email Security, Threat Protection, Information Protection (DLP/Insider Threat), and Cloud App security. You will run discovery, design architectures, deliver compelling demos, and lead POCs and production evaluations that result in measurable outcomes.

This role will be based in Tokyo, Japan.

Your day-to-day

• Discovery & requirement mapping: capture business objectives, risks, current stack; define technical & business success criteria

• Solution architecture: design integrations across Proofpoint and the customer’s environment (M365/Google Workspace, IdP, SIEM, EDR, etc.)

• Value storytelling: craft messages that resonate from the SOC to the boardroom

• Product demos & hands-on: showcase differentiated outcomes in realistic scenarios

• POC leadership: plan, define success metrics, collect evidence, measure impact, and deliver recommendations

• Stakeholder management: facilitate alignment across IT, Security, business units, and executives

• Competitive positioning: articulate differentiation tied to customer priorities

• Feedback loop: channel market and customer insights to product, marketing, sales, and support

• Sales enablement: create content, playbooks, and trainings for AMs and partners

• Executive engagement: support briefings and risk communication at the leadership level

• Community & evangelism: webinars, lunch-n-learns, and conference participation

• Mentor new team members and institutionalize best practices

• Build and deliver internal trainings; curate documentation and templates

• Standardize solutions to common challenges (checklists, architectures, playbooks)

https://www.proofpoint.com/jp/blog/corporate-news/the-future-of-engineers-as-envisioned-by-the-Proo…

What you bring to the team

• Experience at a security/cloud/AI vendor or in a technical role on the customer side

• 6+ years in pre-sales/SE/security engineer/TAM or senior product support, with enterprise engagement

• Ability to lead initiatives, translate technology into business value, and influence outcomes

• Strong presentation and facilitation skills in Japanese; excellent documentation skills

• English: reading & writing for global collaboration (required); speaking is a plus

• Hands-on with email security, threat protection, DLP, insider threat, and cloud security (SaaS/messaging/data/network/endpoint/SOC/MSP)

• Technical foundation: SMTP, DNS, SPF/DKIM/DMARC, API integrations; SIEM integrations (e.g., Splunk, Microsoft Sentinel)

Why Proofpoint?

At Proofpoint, we believe that an exceptional career experience includes a comprehensive compensation and benefits package. Here are just a few reasons you’ll love working with us:

• Competitive compensation

• Comprehensive benefits

• Career success on your terms

• Flexible work environment

• Annual wellness and community outreach days

• Always on recognition for your contributions

• Global collaboration and networking opportunities

Our Culture:

Our culture is rooted in values that inspire belonging, empower purpose and drive success-every day, for everyone.

We encourage applications from individuals of all backgrounds, experiences, and perspectives. If you need accommodation during the application or interview process, please reach out to accessibility@proofpoint.com.

How to Apply

Interested? Submit your application along with any supporting information- we can’t wait to hear from you!