Sales Engineer (m/f/d)

Our mission

Are you a customer-focused Sales Engineer passionate about solving complex technical challenges, delivering tailored solution designs, and helping customers succeed?

At Open-Xchange (OX), we develop open-source communication and collaboration software used by public sector organizations, telcos, and hosting providers to keep data secure and under their control.

Our products cover email, collaboration, DNS security, and related services, and are used by millions of people worldwide.

Discover what OX offers you

• We work in a non-hierarchical organization that empowers everyone to take responsibility, stay focused, and contribute directly to the company’s success and customer value.
• We value expertise and continuous professional development.

Our professionals work closely with experienced colleagues, take ownership of their work, and continuously expand their skills.

• Openness and diversity are core to OX. Different perspectives, backgrounds, and ways of thinking strengthen our collaboration and help us see the bigger picture.

Your team

You'll join our Sales Engineering team, where you'll work closely with customers, Sales and Professional Services to design and deliver technical solutions that address complex business requirements.

You'll play a key role throughout the pre-sales and project lifecycle, from requirements analysis and solution design to technical consulting and customer engagement, helping ensure successful deployments and long-term customer satisfaction.

Your new job

• Drive business development by understanding customer needs and translating them into tailored solution proposals.
• Lead requirements gathering, analysis, and documentation to define effective technical solutions.
• Develop solution architectures and support deployment planning and service design.
• Prepare project estimates, including scope, timelines, costs, and resource planning.
• Manage end-to-end project delivery, ensuring quality, risk mitigation, and successful customer outcomes.
• Coordinate internal and customer-facing meetings, track project progress, and communicate status to stakeholders.
• Build strong customer relationships by managing expectations, identifying new opportunities, and ensuring high satisfaction.
• Create Statements of Work (SOWs), oversee external contractors, and support project governance.
• Develop and maintain technical documentation, share knowledge, and stay up to date with new products and technologies.
• Provide Japanese-English language support for customer meetings, presentations, and company events.

Your background

• Bachelor's degree or equivalent, with several years of experience in a technical customer-facing or IT role.
• Solid understanding of mobile, internet, and cloud technologies.
• Hands-on experience with Linux administration; scripting skills are a plus.
• Knowledge of databases, including administration; programming experience is an advantage.
• Strong understanding of system architecture, including high availability, backup & recovery, disaster recovery, and performance optimization.
• Good knowledge of networking fundamentals, including TCP/IP and DNS.
• Familiarity with Kubernetes, cloud-native technologies, and major cloud platforms (e. g. AWS, Azure, Oracle Cloud) is an advantage.
• Strong analytical, technical documentation, and reporting skills.
• Fluent Japanese (written and spoken) and good English communication skills.
• Self-motivated, customer-focused team player with excellent time management and a professional attitude.

This is what you get at OX

• The flexibility to work 100% remotely ensures a work environment that suits you best.
• Flexible working hours that allow you to successfully combine your home and family responsibilities with work.
• Getting together in-person for workshops and fun team events.
• Time off to volunteer – and mental health support when you need it.
• We provide financial relief through corporate benefits and a subsidy for ergonomic chairs and desks.
• We can discuss further location-related benefits together in an initial talk.

Join the team

Join us in our fight for an open internet and deliver added value! Click “Apply now” to submit your application.

Your contact person

Reach out to Justin ( recruiting@open-xchange. com ) from the People Team.

He will be able to discuss current opportunities and tell you more about our exciting vision and mission @OX.