L3 Network Engineer
madre-me · Posted Nov 5, 2026
- Doha, Baladiyat ad Dawhah, Qatar
- Senior
- 7+ years
Provide L3 escalation support as the Voice/VoIP subject matter expert; install, configure, troubleshoot, and maintain ISDN PRI and SIP CPEs, voice gateways, ESBCs, and their NMS/EMS platforms
Responsibilities
- Lead technical projects for new systems and upgrades; run POCs, interoperability testing, and integrations with third-party communication platforms
- Work with backend teams, vendors, and IT to resolve customer issues; manage vendor relationships and SLAs
- Perform scheduled maintenance, tuning, and firmware security checks; follow Incident and Change Management processes; document support procedures for audit
- Support capital budget planning (BOM/BOQ) and cost optimization; provide after-hours on-call support
Requirements
- Bachelor's Degree in Computer Science, Electronics & Telecommunication, or IT
- Nice to have: contact center experience