System Administrator - Microsoft Teams and Skype for Business (m/f/d)

Remote, Portugal

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Knower™ Tech is a brand belonging to the Wellow™ Group that aims to match qualified professionals with the market.

In this role, your responsibilities will include:

  • Setup, support, and maintain Microsoft Teams environments, including telephony
  • Manage Microsoft Teams Tenants and Skype for Business Environments
  • Support and maintain the existing SBC/SBA infrastructures consisting in AudioCodes/Ribbon Voice Gateways and, Survivable Branch Appliances
  • Implement new features, resolve incidents and participate in problem resolutions
  • Collaborate with other teams to implement service and system monitoring, alerting and reporting of the Skype for Business and Teams services
  • Collaborate with other teams to define and develop documented procedures
  • Participate in rotational stand-by services during weekends, official holidays, and outside business hours if required
  • Deploying and testing Enterprise Skype for Business configurations in multi-location environments with Edge servers, Directors, and hardware load balancers
  • Supporting and deploying SfB Enterprise Voice, Cloud PBX, including integration with ancillary systems such as telephony gateways and PBX systems
  • Implementation and administration of Microsoft Teams Core and telephony, based on Teams Direct Routing and Calling Plans
  • Setup, configuration, and administration of AudioCodes Session Border Controllers

What we offer:

  • Salary package and contract compatible with experience and ambitions
  • Benefits (day off on birthday, health insurance, extra vacation days, admission kit, various get-togethers, etc.)
  • Training plan and continuous learning environment
  • Skills development opportunities
  • Excellent work environment



We believe that talent overcomes age, gender identity, ethnicity, political or religious orientations, it overcomes barriers of expression, educational levels and physical limits. Our commitment is to the merit of those who seek to be a better version of themselves every day! For this reason, we seek to ensure that our recruitment and selection process is inclusive and respects the individuality of each person, creating a healthy and happy experience for those who come across us. Learn more about our commitment at!