Senior Technical Solutions Engineer; m​/f​/d

Our mission:

Are you a motivated Solutions Engineer who wants to make an impact by enabling secure and scalable email infrastructures based on Dovecot?

At Open-Xchange, we develop and deliver open-source communication and collaboration technologies for email and DNS security that connect millions of people worldwide and enable digital sovereignty.

• Several years of experience in a technical solutions, systems engineering, or professional services role.
• Strong hands-on experience with Dovecot or similar mail server technologies.
• Solid Linux expertise and understanding of mail system architectures.
• Experience with scripting or automation (e.g. Python, Bash).
• Strong verbal and written communication skills in English and ability to work across teams and with customers.
• Intrinsic motivation to take ownership and a passion for open-source technologies, thriving in a low-hierarchy environment.
• Comfortable working in a remote-first environment with multicultural teams across different time zones.

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

• 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.

Reach out to Justin () from the People Team. He will be able to discuss current opportunities and tell you more about our exciting vision and mission @OX.

As part of the cross-functional Dovecot team at Open-Xchange, you will work at the intersection of engineering, professional services, and customer-facing teams. You will support Dovecot customers and internal stakeholders by sharing deep product expertise, enabling scalable deployments, and contributing to value-added initiatives that improve customer experience, product adoption, and operational efficiency.

• Act as a senior technical expert for Dovecot, supporting customers and internal teams.
• Enable customers and partners through technical training, guidance, and best practices.
• Support Professional Services, Customer Success, and presales activities, including POCs and architecture reviews.
• Serve as a technical escalation point for enterprise and SLA customers.
• Collaborate with product and engineering teams on tooling, prototyping, and documentation.
• Identify recurring challenges and help turn solutions into reusable assets.

• Operating system:
  Linux
• Mail systems:
  Dovecot
• Scripting & automation:
  Python, Bash
• Databases:
  MySQL
• Containerization & platforms:
  Kubernetes (knowledge is a plus)
• Monitoring & operations:
  Log analysis, performance tuning
• Application landscape: OX App Suite (familiarity is a plus)