Global Voice Operations Engineer L3 - CUCM & SIP Expert

Hamilton Barnes Associates Limited is seeking an experienced Level 3 Voice Operations Engineer to support a global enterprise voice environment from Glasgow. The role combines BAU support with project delivery, handling upgrades and lifecycle initiatives to ensure a stable, high-performing voice platform.

You will troubleshoot complex voice issues, manage incidents and changes in line with ITIL, and collaborate with global operations teams to deliver documentation and knowledge sharing across