Senior Carrier Voice Architect

RGIT Australia; Ku-ring-gai; On-site; AUD 140,000 - 200,000; Full time

Benefits offered by this job

Hybrid work

3 bonus days

Employee benefits

EAP

Onsite parking in Gordon NSW

Job summary

Pivotel is seeking an experienced Senior Voice Engineer/Architect to own and evolve the voice and messaging infrastructure across carrier-grade SIP platforms, SBCs, and IMS-based services. This role combines architecture with hands-on engineering in a hybrid, Gordon NSW-based environment.

You’ll lead migrations, optimize platforms, and mentor the Technology team while engaging with carriers and vendors to deliver scalable, secure voice solutions for Australia, New Zealand and beyond.

Qualifications

• Extensive hands-on experience designing, configuring, deploying and troubleshooting Ribbon Session Border Controllers.
• Strong experience in carrier-grade voice and SIP environments.
• Deep knowledge of SIP, RTP/RTCP, SIP trunking, softswitches and PSTN carrier interconnects.
• Hands-on experience with IMS, VoLTE, Diameter signalling and 4G/5G mobile core integration.
• Strong Linux administration and performance-tuning capability.

Responsibilities

• Own and shape architecture and solution design for voice, messaging, VoIP, SIP interconnect and IMS-integrated environments.
• Design, deploy, configure and optimise Ribbon SBC infrastructure across carrier networks.
• Take hands-on ownership of Linux-based voice platforms and routing engines.
• Lead voice architecture and integration across 4G/5G, IMS and VoLTE environments.
• Design and support SIP interworking, Diameter signalling and carrier interconnects.
• Plan and deliver migrations from legacy voice platforms to modern, scalable architectures.
• Act as senior escalation point for complex voice and messaging incidents.
• Perform advanced protocol analysis, packet capture and root-cause analysis.
• Design and optimise routing engines, dial plans and supporting automation.
• Work with Redis, SQL, DNS and REST APIs.

Skills

Ribbon SBCs

SIP

Carrier-grade voice

Linux administration

Protocol analysis

VoLTE

4G/5G IMS

SIP interconnects

Tools

Ribbon SBCs

Linux

Redis

SQL

DNS

REST APIs

Job description

Pivotel is seeking an experienced Senior Voice Engineer/Architect to own and evolve the voice and messaging infrastructure across carrier-grade SIP platforms, SBCs, and IMS-based services. This role combines architecture with hands-on engineering in a hybrid, Gordon NSW-based environment.

You’ll lead migrations, optimize platforms, and mentor the Technology team while engaging with carriers and vendors to deliver scalable, secure voice solutions for Australia, New Zealand and beyond.