Join us we're hiring!

As a VoIP Systems Engineer (m/f) you will be involved in a variety of tasks always focusing on customer satisfaction. In your day-to-day business you will be responsible for the second and third level support for medium sized businesses and corporations using a ticketing system. With your friendly and open-minded personality you will also be responsible for requirements engineering and network configurations as well as the entire deployment of the Sipwise system onsite and in continuous communication with international customers. Additionally you will train the employees of different customers how to use the Sipwise software. Furthermore you will take on (extra paid) on-call services of max. 1 week per month.


    • Deployments (incl. international travelling): you support our customers in terms of set-up and operation of voice telephony
    • Technical trainings: you hold trainings for our international customers in English on the customer´s site
    • Technical pre-sales (incl. international travelling with Sales colleague)
    • 2nd level support for and monitoring of customer projects: customer support after deployment
    • Ticketing / bug tracking, troubleshoot and fix escalated customer issues
    • On-call duty (extra paid, max. 1 week/month)
  • What we expect from you:


    • Professional experience in VoIP (SIP protocol)
    • Good knowledge in Linux
    • Very good experience in the field of planning, setting-up and operation of SIP-Appliances
    • Fluent in English, spoken and written
    • Willingness to travel (max. 25%)



    • A course of studies in Computer Science or a comparable training with corresponding professional experience
    • Networking knowledge
    • SQL with focus on MySQL user and admin skills
    • Experience with SIP-devices, IP- and Ethernet-networks
    • Bash, Perl, PHP or Python know-how
    • Additional language skills (e.g. German or Spanish)
  • What you can expect from us:

    • An international team with high technical expertise
    • Flat hierarchies and an independent work environment
    • Ambitious and self-responsible tasks
    • An environment where you will be able to continuously learn and test new technologies
    • We offer an attractive salary depending on your qualification and professional experience. Due to regulatory reasons we advise you that the collective agreement stipulates the fixed salary starting at EUR 3,048 gross/month for this position.
    • Further opportunities will arise with the steady growth of the company in the near future.


    Other Benefits @ Sipwise:

    • Further education
    • Flexible working hours
    • Cold & hot drinks, snacks & fruits

We offer opportunities to develop your skills and capabilities within a work environment of international experts!

  • Are you looking for a demanding technical challenge with a lot of customer interaction? Then we are looking forward to your application!