Senior Telephony System Engineer & Technical Lead-SBG000688

ITProposal • Brussels, Brussels • Posted July 09, 2026

About the Role

Senior Telephony System Engineer & Technical Lead

Location: Brussels, Belgium (Hybrid – Minimum 3 days on-site per week)
Start Date: 01 September 2026
Contract End Date: 01 September 2028 (Renewable)
Engagement: Full-time (100%)

Overview

We are seeking an experienced Senior Telephony System Engineer & Technical Lead to lead the design, implementation, modernization, and operational management of enterprise IP telephony infrastructure. The successful candidate will provide technical leadership for telephony transformation projects while ensuring the stability, security, and availability of critical communication services.

Key Responsibilities

Project Responsibilities

  • Design and define enterprise telephony infrastructure solutions.
  • Collaborate with infrastructure architects, system engineers, security teams, and other tech...