Senior Technical Customer Support Engineer - Japan

About ClickHouse Recognized on the 2025 Forbes Cloud 100 list, ClickHouse is one of the most innovative and fast-growing private cloud companies. With more than 3,000 customers and ARR that has grown over 250 percent year over year, ClickHouse leads the market in real-time analytics, data warehousing, observability, and AI workloads. The company’s sustained, accelerating momentum was recently validated by a $400M Series D financing round. Over the past three months, customers including Capital One, Lovable, Decagon, Polymarket, and Airwallex have adopted the platform or expanded existing deployments. These customers join an established base of AI innovators and global brands such as Meta, Cursor, Sony, and Tesla. We’re on a mission to transform how companies use data. Come be a part of our journey! We are hiring for this role in Japan. Your exact location within the country does not matter as the role is not office-based. There will be onsite travel to provide in-person support to customers in Tokyo. What you will be doing: We are currently growing our support team at ClickHouse who provides excellent service to our customers around the world. We hope to find you ready to take on a large variety of tasks related to our customers locally in Japan, as well as more regionally across APJ and EMEA. This is a customer-facing role that will include some onsite customer visits in Japan. You will be owning a wide variety of tasks: from support tickets to community support, helping with both pre- and post-sales customer activities, partnering with our Go To Market team on deeply technical aspects of POCs, and suggesting improvements to how we do things in Support at ClickHouse. This is a great opportunity for someone ready to roll up their sleeves and help us expand our regional presence in Japan! Examples of projects you might contribute to: Work closely with the Support Services team, Engineering, and Product Management to help define functionality required by users and customers Develop solutions based on ClickHouse Cloud and ClickHouse open-source that can be shared with our users, community, and customers via documentation, knowledge base, blogs, meetups, webinars, and training Assist with mentoring, training, and sharing your knowledge with colleagues, users, and customers And of course: You will deliver excellent customer service as a front-line engineer and representative of ClickHouse. Our Support Engineers provide professional response, on-call coverage, and guidance within the required Service Level Agreement ("SLA") on technical cases that are opened via a ticketing system, email, Slack, and/or phone You will build strong, trusted relationships with colleagues, customers, and partners What you will bring along: Prior experience within a technical support organization Technical breadth and depth in relevant subjects, for example: ClickHouse DBMS or similar OLAP or SQL databases, experience with Cloud/SaaS platforms, Linux/Unix experience, experience with Kubernetes and containers, System or Network Administration experience Be present and available according to the scheduling and onsite travel required to deliver high-quality 24x7 Support in a global, distributed environment Strong written and verbal communication skills in both Japanese and English Experience in a customer-facing role that entailed pre- and post-sales support, solution or sales engineering, consulting, and/or training A mindset of teamwork, global engagement, empathy, and solving challenging problems A sense of adventure and urgency in building the most scalable, highest performing, largest, and fastest databases on the planet Self-driven, curious, and eager to continuously learn and grow Bonus points: Demonstrated success in collaborating with software developers, product managers, account representatives, and a user Community to deliver an amazing user and customer experience Passion for applying open-source software technology to massive data sets in orde