Telephony Technical Lead - Systems Engineering (Employed or freelance)
EngiFlex
full time
Computer Occupations
Location
Brussels, Brussels, Belgium
Posted
June 29, 2026
Job Description
Tasks and responsibilities
As a Telephony System Engineer and Technical Lead, you contribute your expertise in telephony solutions such as SIP, networking, software platforms and MBG to both transformation projects and daily operations.
Your responsibilities include:
In a project context:
- Define and design telephony infrastructure solutions in close collaboration with infrastructure architects, system designers, system engineers and security officers.
- Support the evolution and modernization of the telephony platform, with a focus on scalability, resilience and security.
- Act as the technical reference point for telephony-related initiatives and key technical decisions.
In an operational context:
- Safeguard the day-to-day stability, performance and availability of telephony services.
- Assist system engineers during incident resolution by providing troubleshoo...