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Jobs at Open-Xchange

Interested in becoming part of something big?
You have landed in the right place. We are always looking for great talent to join our variety of departments. Check out our current job vacancies below or send us your speculative application. Become part of an exciting team at OX.

USA | USA | ps02

Senior Presales Engineer - USA (f/m/d)

Don’t just go to work. Thrive. 
We need people who are committed to openness, have a rebellious business spirit and the will to revolutionize the market.

Open people for open source! 
By joining OX as part of the Sales Engineering Team, this position is a launch pad for highly talented individuals to build their experience inside the department and access many opportunities working for OX globally.

Our Vision
A borderless internet that is open, safe and free.

We are eMail 
Worldwide companies like: Comcast, Cox, 1&1, Deutsche Telekom, Vodafone, Orange, ItaliaOnline, GoDaddy, and Rackspace all use our "white label" products for eMail and collaboration. 


Sales Engineering is a critical part of serving our existing customers and gaining new customers at OX. You will be the technical lead, working both on and off-site to help our sales team sell Open-Xchange email solutions. You will present the product, educate the customer, calculate sizing recommendations, and even run Proof-of-Concept exercises. As a Sales Engineer (with a focus on OX App Suite and Dovecot) you will work closely with the product and engineering teams, as well as other parts of the Open-Xchange Sales and Service teams around the world. 

We are specifically looking for reliable teammates who will focus intently on responding quickly and helping drive the customer engagement forward every day.

The right person for this role is willing to learn quickly and try new things in the name of helping our customers succeed. You should also have an eye toward growing within the Global Services team or into different roles across the Open-Xchange organization. In other words, this position is a great opportunity for your personal development.

If you want to be an active part of something larger than yourself, you are a proactive self-starter, and you’re looking for a technical challenge as part of a fun team, this is the role for you. 


Your passion / Your job

  • Technical Sales Support and implementation of email technologies for our customers both on site and remotely by phone and video conference. Our customers are spread across North and South America and we tend to travel 30% to 50% of the time.
  • Manage the technical relationship with key customers throughout the pre-sales cycle
  • Manage architecture, design, and documentation for customer solutions
  • Investigate and document customer needs and pain points and find OX solutions
  • Evaluate customer environments, create custom integration concepts
  • Gather internal resources for the solution, and write LOEs and SOWs for delivery
  • Collaborate with product, services, and engineering teams to build technical presentations for customer and industry events
  • Work closely with the local, regional and global Open-Xchange teams

What do you bring to the table

  • Experience with system architecture and design (design and analysis of complex setups in heterogeneous environments)
  • Knowledge of email solutions (Dovecot and App Suite preferred) and technologies (IMAP, POP, TLS, LDAP, etc.)
  • Understanding of multi-million user, complex environments (Telcos, hosters, ISPs, etc.)
  • Experience in Linux-based environments
  • Excellent verbal and written communication skills in English – multi-lingual candidates (in Portuguese, Spanish, French, or German) get bonus points
  • Additional bonus points awarded for hands-on experience with Ansible, Vagrant, Kubernetes, or public cloud technologies
  • Discipline to work independently from a home office and/or OX office - it is our preference to hire in Louisville, KY or the surrounding area

What do we offer

  • The opportunity to help OX grow, working with customers who are household names around the world
  • Working on modern cloud software as part of an international team
  • The latest in IT equipment
  • Flat hierarchies and "Open Door" policies
  • Personal development in a dynamic environment

About Open-Xchange

Open-Xchange (OX) is a market leader in Mail / Messaging and DNS-based security services, with more than 200m seats sold through international hosting and telco providers worldwide, including partners such as 1&1, Orange, Italiaonline, Comcast, GoDaddy or Softbank.

We at OX have our roots in Open Source, and this has shaped our view of the world and culture – open, diverse, and with a bias to act, giving everyone at OX room to take responsibility within their team and grow. OX believes in an internet that is open, safe and free. We want to create competitive products that allow our providers to deliver secure internet services with a great user experience, and that respect privacy and generate value.

With some 270+ people worldwide, OX develops and operates Open Source software (aaS) for mail / messaging (OX App SuiteOX Guard) and collaboration / productivity (OX DriveOX Documents). OX’s  Dovecot is the world’s dominant open-source IMAP server software, and our PowerDNS provides secure DNS services to our telco customers and their users.

Our business is fast-paced and changing constantly. We are looking for people who share our beliefs, who are out there to make a difference, are entrepreneurial and enjoy working in a high-tech environment as part of a truly international team. OX is headquartered in Cologne, Germany, with further locations throughout Germany (Hamburg, Bremen, Dortmund, Cologne, Olpe and Nuremberg), the USA (Louisville, KY), Finland, the Netherlands, Italy, France, Spain and Japan (Tokyo).

If you are interested, please contact Jochen F. Schude for further information - or send us your paperless application with a cover letter including the job ID (see at the top left corner), tabular CV, certificates, salary expectations and the earliest possible date of entry by e-mail to recruiting at