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Technical Sales Engineer/ Lead

Mattermost - Tokyo, Japan - In-office - posted 2026-08-06

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Mattermost is the leading collaborative workflow platform for defense, intelligence, security, and critical infrastructure. The company is trusted by the U.S. Department of Defense and Fortune 500 organizations, delivering secure messaging, file sharing, workflow automation, audio/screenshare, and project management with full data and operational control. As the first Technical Sales Engineer in Japan and the Indo-Pacific region, you will be the technical face of Mattermost in this critical growth market. This is a high-impact, early-stage opportunity with significant room for ownership, autonomy, and professional growth. Key Responsibilities: - Lead all regional technical activities including presales architecture, product demonstrations, and deep-dive technical evaluations - Architect and deploy solutions within complex on-premise, air-gapped, and private cloud environments for defense and national security customers - Collaborate with system integrators, VARs, and distributors to build a sustainable technical network and contribute to regional partner go-to-market strategy - Translate complex technical details into compelling value propositions for audiences ranging from C-suite executives (General Officers) to frontline operational personnel - Act as a bridge between Japanese customers and global product and engineering teams, representing local requirements to inform world-class, mission-ready software development - Support technical engagements for key accounts to ensure customers achieve their specific mission outcomes and workflow automation goals Required Qualifications: - Senior-level technical experience in cybersecurity or high-growth SaaS/technology companies - Proven experience serving defense, national security, or critical infrastructure customers - Strong knowledge of closed cloud environments, on-premise deployments, and technical/operational concepts in secure sectors - Independent, creative problem-solver capable of negotiating technical win-win scenarios; global startup experience preferred - Native Japanese language skills and strong English proficiency (reading/writing) - Ability to travel up to 50% for partner events, tradeshows, and customer sites Nice to Have: - Active security clearance (highly desired) - Awareness of GenAI applications in secure collaboration - Bachelor's degree in a technical field or equivalent work experience

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