Unified Communication Engineer

At Quento, the ICT arm of the Qualco Group, we deliver comprehensive and innovative solutions across AI, Digital Engineering, Cloud, and Cybersecurity, helping businesses accelerate digital transformation. With a presence in Greece, Luxembourg, and Belgium, and backed by the expertise of the Qualco Group, we combine deep technical knowledge with strategic partnerships to support business growth.

At Quento Technologies S.A., we empower our people to innovate and lead in delivering transformative ICT solutions to our clients worldwide. Quento Technologies seeks a highly motivated and experienced Unified Communication Engineer.

Responsibilities:

• Administration of Exchange Servers;
• Administration of Skype for Business Servers;
• Administration of Exchange Online service;
• Administration of MS Teams service including Teams Phone;
• Acting as 2nd line of support, processing related in different environments (production, testing, development);
• Troubleshooting reported incidents and problems and updating status of open requests in the ticketing system in a timely manner;
• Liaising with other administrators and harmonizing solutions and processes;
• Architecting long term changes to unified communication platforms;
• Contribution to specifications for solutions based on or integrated with unified communication platforms;
• Liaising with developer teams in aligning topologies and configuration of unified communication platforms according to the need of the project;
• Maintenance of system documentation;
• Participate in the development of documentation for new solutions;
• Reporting on activities;
• Other specific duties as assigned by supervisor;
• Ensuring that all activities and duties are carried out in full compliance with regulatory requirements and supporting the continued implementation of the Group Anti-Bribery and Corruption Policy. 

• Bachelor's degree;
• Minimum 5 years of IT professional experience;
• Minimum 3 years of experience in similar position;
• Practical experience in managing Connex/Dencrypt communication platform;
• Practical experience in administration of desk sharing, group calendar, room panel applications (TimeFlex);
• Advanced proficiency in writing and maintaining scripts using the Microsoft Teams PowerShell module and Exchange Online PowerShell;
• Experience automating bulk user provisioning, license assignment, and repetitive configuration audits across M365 and on-premises environments;
• Familiarity with Microsoft Graph API for advanced reporting and cross-platform automation;
• Experience in woking in Restricted environments;
• Hands-on experience in working with Active directory tiering model;
• Excellent practical knowledge of Microsoft Exchange Server technology including Exchange Hybrid;
• Experience in administration of complex Exchange topology deployed in distributed environments;
• Practical experience with administering Microsoft Skype for Business Server;
• Expert in optimizing, tuning and planning capacity of Exchange Server;
• Experience in optimizing, tuning and planning capacity of Skype for Business Server;
• Practical experience with administering communication features of MS Teams;
• Experience in Exchange patch management;
• Experience in Skype for Business patch management;
• Expertise in analyzing and troubleshooting large-scale distributed systems;
• Basic Knowledge in administering other Microsoft systems;
• Very good knowledge of the English language (B2).

This role is an on - site opportunity Poland.

CV submitted in English.

Your race, gender identity and expression, age ethnicity or disability make no difference in Quento we want to attract, develop, promote, and retain the best people based only on their ability and behavior.

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