Luza Tecnologia

A company integrated into the Cronos Group, with over 500 companies, 7,500 employees, 10,000 clients, and offices in 10 countries, this organization is a catalyst in translating new technologies into business solutions, always in close collaboration with the client. Luza specializes in Microsoft Modern Workplace, Dynamics 365, Azure, and Power Platform.
About company

Unified communications & collaboration engineer l3

Remote

location Lisbon

date August 15, 2026

types Full-time

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HITO Solutions is recruiting a Unified Communications & Collaboration Engineer L3

Our client is a renowned organization looking to strengthen its team with a Unified Communications & Collaboration Engineer L3, with strong experience in Microsoft 365 environments and business collaboration solutions.

Key responsibilities

  • Provide advanced support in Unified Communications (UC) solutions.
  • Implement solutions and execute changes in clients' collaboration and communications infrastructure.
  • Resolve complex escalated incidents and ensure their resolution within defined SLAs.
  • Execute platform changes defined by higher-level teams.
  • Ensure high levels of operational quality and compliance with regulatory requirements.
  • Collaborate on the continuous improvement of communication and collaboration services.

Mandatory requirements

  • Minimum 5 years of experience in support and engineering of Unified Communications solutions.
  • Experience in managed service provider (MSP) environments or high-demand enterprise contexts.
  • Solid knowledge of ServiceNow, particularly in the Incident, Change, Request, and CMDB modules.
  • Advanced experience in Microsoft Teams, Exchange Online, SharePoint, OneDrive, and other Microsoft 365 collaboration tools.
  • Knowledge of VoIP, SIP Trunking, and basic operations in Session Border Controllers (SBC).
  • Experience with audiovisual systems and meeting room solutions such as Microsoft Teams Rooms, Crestron, Polycom, and Logitech.
  • Knowledge of Exchange Online and Microsoft Exchange hybrid environments.
  • Experience with reporting and monitoring tools, such as Power BI, Teams CQD, and Teams Insights.
  • Microsoft 365 Certified: Teams Administrator Associate or equivalent certification.
  • Proficient in the English language, written and spoken (minimum level B2).

Valued factors

  • CompTIA Network+ certification or equivalent.
  • Experience in Managed Service Providers (MSP), telecommunications, or services for the financial sector.
  • Knowledge of Zoom and Webex.
  • Experience or interest in Microsoft Copilot and AI collaboration solutions.
  • Knowledge of DORA, FCA, and PRA regulatory frameworks.
  • Experience with call recording platforms like Numonix or similar.
  • Knowledge of PowerShell for administering Microsoft Teams and Exchange.
  • Experience with Contact Center as a Service (CCaaS) platforms.

What we offer

  • Integration into a team specialized in business collaboration solutions.
  • Participation in projects of high technological complexity.
  • Contact with large-scale Microsoft 365 environments.
  • Opportunities for professional growth and certification.
  • Competitive benefits package tailored to demonstrated experience.