Unified Communications Administrator (m/f/d) - Athens

Πλήρης απασχόληση Γεμάτη μέρα

We are a global IT service provider. With over 4,000 permanent colleagues in more than 50 subsidiaries worldwide, we enable Device as a Service for the IT industry in 190+ countries. DaaS combines hardware, software, lifecycle services and financing into a single contract with a fee per device.


For our internal Data Centre department we are seeking the following:

  • Administrating, maintaining and troubleshooting our system infrastructure

  • Managing and troubleshooting high profile and difficult technical issues escalated by other support or business teams

  • Administration of users and resources in the systems

  • Managing migrations of users between platforms

  • Configuring systems management tools for monitoring and capacity planning

  • Implementing solutions and processes to optimize operational efficiency, systems security and availability

  • Running applications, services and platforms to deliver a service portfolio according to SLA’s

  • Maintaining detailed functional and operational documentation


  • University Degree in Computer Science / Engineering or experience in a related field

  • Working proficiency in English is a must

  • Expert level knowledge in maintaining Private Branch Exchange (PBX) telephone systems and related hardware

  • Minimum of two years of experience in network and IP telephony administration and support in an Enterprise-scale environment

  • Strong hands-on experience in administrating related Microsoft technologies like: Microsoft Teams, Microsoft 365, Windows Server, Active Directory. Microsoft Azure / Intune is a plusHands-on experience using network protocol analyzers such as Wireshark

  • Hands-on experience in implementing Session Border Controller platforms is a plus

  • Strong interpersonal skills and ability to perform in an international team

  • Excellent problem solving, debugging/troubleshooting skills


  • A secure job in a constantly growing, international company

  • Permanent position

  • Centrally located offices in the Athens city center

  • Strong cohesion and a great working atmosphere in a friendly team

  • Direct and open communication

  • You culture up to the management level

  • Very good opportunities for professional and personal development through our own personnel development program

  • Mentoring program to make it easier for an experienced employee to join the company

  • Great freedom for your own ideas and suggestions for improvement as well as their quick implementation due to our very short decision paths

  • A company that is not only continuously commercially successful but also provides a sense of purpose:

  • Rhino-force.org: Our environmental protection organization protecting one of the most endangered species on this planet.

  • Kids-family.org: We take care of children that grow up without their parents in Poland and India. We don’t just give them shelters. We turn their shelters into homes.

#hemmersbach #unifiedcommunicationsadministrator #unifiedcommunication #PBX

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