Unified Communications and Collaboration Engineer L3

Open 34d

We're fast learners, hard workers, natural collaborators... and we Make Modern Happen!

Our ambition is to unlock the potential of our digital world so that organisations everywhere can innovate and thrive securely. We aim to achieve this goal by bringing together the world’s most talented people and the most powerful technologies, combining them to address our customers' challenges and to build something stronger together.

If you share our vision, join us!

Right now, we are looking for a Unified Communications and Collaboration Engineer L3 to integrate our internal team.


Your responsibilities include:

  • Deliver advanced UC support, implementation, and change execution across the client’s collaboration and telephony estate.
  • Resolve complex escalations, implement platform changes defined by the L4 Specialist, and ensure operational excellence within agreed SLAs and regulatory requirements.


You must have:

  • Minimum 5 years’ hands-on experience in unified communications support and engineering, ideally within a managed services or financial services environment.
  • Experience with ServiceNow (incident, change, request, and CMDB modules.
  • Strong troubleshooting skills across Microsoft Teams, Exchange Online, SharePoint, OneDrive, and collaboration tools.
  • Experience with VoIP and SIP trunking technologies, including basic SBC operational tasks.
  • Experience with AV and meeting room systems (Crestron, Polycom, Logitech, Teams Rooms).
  • Familiarity with Exchange Online and hybrid Exchange environments.
  • Working knowledge of collaboration analytics and reporting tools (Power BI, Teams CQD, Teams Insights).
  • Microsoft 365 Certified: Teams Administrator Associate (or equivalent).
  • Effective communicator with strong written and verbal English skills (B2 or higher).

We value:

  • CompTIA Network+ or equivalent networking certification.
  • Previous experience within a managed service provider or telecommunications environment serving financial services clients.
  • Experience with Zoom and Webex administration.
  • Understanding of Microsoft Copilot and AI-driven collaboration capabilities.
  • Knowledge of DORA, FCA, or PRA regulatory frameworks.
  • Experience with call recording platforms (Numonix or equivalent).
  • PowerShell scripting for Teams and Exchange administration.
  • Understanding of contact centre platforms (CCaaS).


We offer:

  • Regular professional development;
  • Health insurance, with family package;
  • Office facilities for meals and snacks;
  • Regular teambuilding programs;
  • Friendly workplace.


Workplace: Lisbon - Hybrid

Claranet, Make modern happen!