Posted on:July 15, 2026

Sr. Sales Engineer - Japan at Witness AI

Witness AI is hiring a Sr. Sales Engineer - Japan in United States. Remote. Pay: USD 138k-177k/yr.

About Witness AI

WitnessAI is an AI security and governance platform for enterprises. It provides visibility into AI activity across an organization, including shadow AI usage, and catalogs AI applications, agents, and MCP servers. The platform uses intent-based controls and runtime defense to protect models, applications, and agents, and is used by security teams to monitor risk, investigate incidents, and enforce guardrails. It captures prompts, responses, and agent activity to prevent jailbreaks, data exfiltration, and shadow AI.

Sr. Sales Engineer - Japan job description

Job Title: Senior Sales Engineer

Location: Japan

Reports to: Head of Sales Engineering

 

Company Overview

Witness AI invented intent-based AI security. While legacy tools monitor what users say to AI, we understand what they're trying to accomplish - stopping jailbreaks, data exfiltration, and shadow AI before damage occurs. We provide visibility into how employees and systems use AI - capturing prompts, responses, and agent activity - so security teams can monitor risk, investigate incidents, and enforce guardrails in real time.

 

Role Overview

The Senior Sales Engineer occupies a pivotal role, bridging the gap between our technological solutions and the demands of our clientele by delivering comprehensive technical proficiency, exemplary pre-sales advisory services, and solution architecture design. This position requires close interaction with enterprise-level clients to showcase the platform's functionalities, align technology with customer specifications, and facilitate seamless implementation and adoption.

 

Key Responsibilities

  • Collaborate with the sales team to understand customer requirements and craft tailored AI governance solutions..

  • Conduct compelling product showcases, proof-of-concepts, and presentations illustrating the platform's functionalities.

  • Translate technical capabilities into clear, customer-focused benefits and outcomes.

  • Engage directly with clientele to articulate technical value propositions, addressing technical inquiries and objections effectively.

  • Architect integration strategies between our AI governance software and existing customer technologies, including SASE, firewall solutions, Windows and Mac operating systems, APIs, and SIEM tools.

  • Collaborate closely with product management and engineering teams to represent customer feedback, influence product roadmap, and ensure alignment with market requirements.

  • Remain informed regarding sector developments, specifically in relation to cybersecurity, AI compliance, data governance, and emerging regulatory frameworks.

  • Participate in industry gatherings, webinars, and seminars to enhance brand prominence and thought leadership.

     

    Qualifications

  • Bachelor's degree in Computer Science, Engineering, Information Systems, or a related field; Master's degree or relevant certifications preferred.

  • Minimum of 5-7 years of experience in a technical pre-sales, solutions architect, or sales engineering role, ideally within enterprise software, cybersecurity, or AI governance spaces.

  • Strong familiarity and experience with:

    • Secure Access Service Edge (SASE) (e.g., Zscaler, Netskope, Cato Networks, etc.)

    • Firewall technologies (e.g., Palo Alto Networks, Fortinet, Cisco, Check Point)

    • Windows and Mac operating systems environments

    • API integration and management

    • Security Information and Event Management (SIEM) solutions (e.g., Splunk, QRadar, etc.)

  • Exceptional presentation, communication, and customer-facing skills with the ability to engage technical and business audiences.

  • Ability to articulate complex technical topics clearly and persuasively.

  • Comfortable managing multiple priorities simultaneously in a fast-paced, dynamic environment.

  • Proven track record of effectively collaborating across departments, including sales, product, and engineering teams.

Why Join Us?

  • Impact: Be a key player in scaling a high-growth SaaS startup and directly influencing revenue.

  • Growth: Opportunity for personal and professional growth in an evolving startup environment.

  • Culture: Join a collaborative, innovative, and passionate team focused on solving real-world problems.

Benefits

  • Hybrid work environment.

  • Competitive salary.

  • Health, dental, and vision insurance.

  • 401(k) plan.

  • Opportunities for professional development and growth.

  • Generous vacation policy.

 

Salary

$138K-$177K OTE (The exact salary will be determined based on the selected candidate’s location, qualifications, experience, and relevant skills.)

Apply now

Applications go straight to Witness AI. We never sit between you and the employer.

Apply now ↗
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