Technical Sales Engineer/ Lead

Mattermost

Japan

Posted January 11, 2026

Job Overview

At Mattermost, we build the #1 collaborative workflow solution for defense, intelligence, security, and critical infrastructure organizations. Trusted by governments, financial institutions, and technology companies, our platform enables secure, efficient operations for the world’s most critical teams.

We’re dedicated to empowering organizations to operate with confidence, reducing risks, and accelerating productivity. Guided by our core values of Customer Obsession, Earn Trust, Self Awareness, Ownership and High Impact, we collaborate closely with our customers to deliver solutions that meet complex needs and drive success.

To learn more, visit www.mattermost.com

About the Role

We are seeking a highly skilled and motivated Technical-Sales Engineer to join Mattermost as we enter the Japanese market. This is a high-impact, early-stage opportunity requiring a "player-coach" mentality with significant room for ownership, autonomy, and professional growth.

As the first technical hire in Japan and the Indo-Pacific region, you will not only lead technical demonstrations but also serve as a strategic partner to our sales team, directly shaping regional growth and ensuring customer success in high-trust environments.

Key Responsibilities

Strategic Technical Leadership: Lead all regional technical activities, including pre-sales architecture, product demos, and deep-dive technical evaluations.
Mission-Critical Deployment: Architect and deploy solutions within complex on-premise, air-gapped, and private cloud environments, ensuring operational resilience for defense and national security customers.
Partner & Channel Enablement: Collaborate with system integrators (SIs), VARs, and distributors to build a sustainable technical network and contribute to the regional partner go-to-market plan.
Stakeholder Management: Translate complex technical details into value propositions for audiences ranging from executive C-suite (General Officers) to frontline operational personnel.
Product Advocacy: Act as a bridge between Japanese customers and our global product/engineering teams, representing local requirements to help build world-class, mission-ready software.
Post-Sales Excellence: Support technical engagements for key accounts to ensure customers are achieving their specific mission outcomes and workflow automation goals.

Required Skills & Experience

Industry Expertise: 10+ years of technical experience, specifically within the cybersecurity sector or high-growth SaaS/technology companies.
Domain Knowledge: Proven experience serving defense, national security, or critical infrastructure customers.
Infrastructure Mastery: Strong knowledge of closed cloud environments, on-premise deployments, and the technical/operational concepts utilized within secure sectors.
Entrepreneurial Mindset: Experience in global startups is preferred; you must be an independent, creative problem-solver capable of negotiating technical "win-win" scenarios.
Communication: Native Japanese language skills and strong English proficiency (reading/writing).
Travel: Ability to travel based on business needs to support partner events, tradeshows, and customer sites (up to 50%).

Preferred Qualifications

Active Security Clearance: Highly desired due to the nature of our mission-critical customer base.
Forward-Thinking: Awareness of GenAI and its applications in secure collaboration.
Education: Bachelor’s degree in a technical field or equivalent work experience.

Why Mattermost?

Mattermost is an open-core technology company building secure collaboration solutions for organizations in high-trust environments. We enable secure messaging and workflow automation across the world’s most sensitive deployments—from air-gapped defense systems to private clouds. In this role, you are the technical face of Mattermost in Japan, driving our expansion into one of our most critical growth regions

Mattermost is an EEO Employer, we are a remote-first, open-source company.

We are continually working to expand our hiring in more countries and regions, ensuring compliance with local laws and regulations, which takes time.

Mattermost values your unique perspective—we welcome all applicants. We encourage individuals from all backgrounds to apply and are committed to assessing candidates based on their skills and qualifications. We do not tolerate discrimination against staff or applicants based on race, religion, national origin, age, disability, pregnancy status, veteran status, or other personal characteristics.

If you require accommodations during the interview process, please let us know—we’re happy to assist.