System Administrator - Messaging and O365 (M/F/D)

Remote, Portugal

Infelizmente o prazo desta vaga expirou.

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


As a Messaging and O365 Engineer, you will be responsible for deliver on-going support and administration of Microsoft 365 services, including Exchange, SMTP relay and Message Hygiene.


  • Design, implementation, administration and maintenance of Microsoft 365;
  • Responsible for design, final testing and deployment of M365 services and email solutions and related systems;
  • Analyse the technical needs of customer, end-users and all stakeholders;
  • Analyse partners overall requirements and develop a comprehensive plan that meets overall goals and objectives as a part of service level management process.
  • Experience in managing, operating, and maintaining a large, multi-site and complex messaging infrastructure based on Microsoft Exchange;
  • Experience working with customers on Cloud and M365 specific solutions and deployments;
  • Knowledge and hands-on experience as global administrator for Microsoft 365 tenant;
  • Knowledge of Microsoft Exchange 2016/2019/Exchange Online;
  • Good understanding of MS Teams, SharePoint Online, OneDrive for Business, Yammer.
  • Exposure in migration projects from on-premises systems to Microsoft 365 and/or tenant to tenant migration and related integration features;
  • Excellent knowledge of English (both written and verbal).

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


Join us on this exciting project, we'll reveal more details once we talk!




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!