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Your Tasks

System C4 (Cloud Communication Customer Config) formerly known as hPBX Customer Care is a system that manages configuration data for the hPBX.
The C4 provides interfaces for the specified configuration data of the hPBX for a number of partner systems, including SMK, RMK, CBS etc. Furthermore, C4 is the interface between the user front-end (portal) and the back-end (Broadsoft via OCI-P) and takes over the necessary mappings for the two systems. The C4 also defines business processes for a number of complex tasks, such as:
- Creation / modification / deletion of C4 / hPBX instances
- Creating / modifying / deleting workplaces

In the course of these processes, the C4 ensures that:

- the order is checked for plausibility;

- the necessary commands are executed in the backend (Broadsoft);

- all relevant connected systems are informed;

- the necessary configuration data are written into the own database.


  • Create, design and execute test cases;
  • Create and execute automation checks;
  • Work in scrum team.

Your Profile


  • Software understanding;
  • Knowledge of test approaches, methods, frameworks;
  • Experience in test design, test analysis;
  • Test automation skills;
  • SQL;
  • Knowledge in Java, programming skills, configuration skills will be appreciated.

Severely disabled applicants with equal qualification will be given particular consideration.

What we offer

  • Part-time possible

    With us there are not only full-time jobs - we also offer this position on a part-time basis.

  • Connection to public transport

    Start your working day relaxed and without stressful rush hour traffic - our location is well connected to public transport and the next stop is just around the corner.

  • Personnel responsibility

    Leadership, motivation and development play a central role for us. With the responsibility for a team, this job brings all this as a task.

  • Canteen on-site

    Healthy eating in the company of colleagues - our on-site canteen makes it possible. Here you can choose from a large selection of hot and cold dishes in comfort and only a few minutes away from your office.

  • Flexible working hours

    Room for professional and private challenges - with our flexible working time models, we offer the opportunity to work self-determined. Exactly as it suits life and your current situation.

  • Training offers and allowances

    Lifelong learning is essential for us. Whether on site or digitally. We offer a wide range of further education opportunities - from seminars to part-time studies.

  • Health offers and insurance

    The health of our employees is important to us. Therefore, we offer free health checks, regular preventive medical checkups as well as many (online) courses on health-related matters.

  • International activity

    So far away and yet so close - in our international working environment, working across national borders is part of everyday life.

  • Performance bonus

    Money does not make you happy, but it calms your nerves. Besides an attractive salary, bonus payments are also possible in this job.

  • Holiday pay

    Finally vacation time - so that our employees can enjoy their free time to the fullest, we boost their travel budget with some extra payment.

  • Onboarding programme

    Be part of the team from day one - we ensure the necessary training as well as fast integration and support our new employees as they join our company.

About us

About us

Deutsche Telekom IT Solutions is a part of Deutsche Telekom, one of the biggest European telecommunications companies. Deutsche Telekom has different international subsidiaries in more than 40 countries with over 210 000 employees. Point of production in Russia was founded in 1995, and now it works on challenging projects for such customers as T-Mobile, Shell, Mercedes-Benz, BMW, MAN, DHL, Continental, SBB (Swiss Federal Railways).

Love Magenta


Deutsche Telekom Services Europe

+7 (812) 677-66-86 ext.2124

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