Technical Specialist, Fixed Voice
Core
Operate, maintain, and troubleshoot Optus' Fixed Voice network infrastructure, ensuring high availability and performance for enterprise and wholesale customers.
Role type
Senior IC Network Operations Engineer (Fixed Voice)
Builds
Fixed Voice network services and reliability for Enterprise and Wholesale clients
Domain
Telecommunications (Wireline/Fixed Voice)
Deliverable
production ML models | product features | dashboards & analysis | infrastructure
Required skills
Ribbon platform operations (DMS300, CS2000, C20, SBC), SIP trunking and routing, fault diagnosis and root-cause analysis, software upgrades and patch management, KPI monitoring (ASR, NER, MOS), ITIL incident management, Unix/Linux command-line tools
Preferred skills
GENBAND platform experience, observability and automation tools, AI-assisted operations knowledge
Technologies
Ribbon NMS, Grafana, Kalix/OSIX, Wireshark, ServiceNow, Unix/Linux
Responsibilities
Operate and maintain Ribbon Fixed Voice nodes; provide Level 2 fault management and incident resolution; manage escalated customer faults; perform structured fault diagnosis and root-cause analysis; configure and manage C20 elements; manage SIP trunking, routing, and policy rules; execute software upgrades and patch management; monitor Fixed Voice network KPIs; develop and maintain technical documentation and change records
Seniority
Senior, hands-on IC