Remote Voice Core Network Engineer

Telia Company; Finland; Remote; EUR 65,000 - 90,000; Full time

Benefits offered by this job

Remote work opportunities

Performance bonus

Job summary

Telia is seeking a Voice Core Network Engineer to join the Voice Operations FI LT team in Finland. The role focuses on operating, maintaining and developing Voice Core platforms including VoLTE, VoNR and interconnect services, with strong emphasis on automation and continuous improvement.

You will collaborate with vendors, architects and operations teams to resolve complex issues, perform on-call duties, and drive improvements across signaling and cloud-based infrastructure.

Qualifications

• Proven experience in Voice Core, IMS, telecom operations or mobile core network environments.
• Strong knowledge of telecom services and protocols (such as SIP, Diameter and SS7/SIGTRAN), Linux environments, as well as solid understanding of cloud infrastructure and IP domain.
• Ability to troubleshoot complex incidents, analyze logs, traces and signaling flows, and drive problems to resolution across multiple stakeholders.
• Hands-on skills in scripting, automation or operational tooling.
• Fluency in English and Finnish, written and spoken.

Responsibilities

• Operate, maintain and develop Voice Core platforms and services in Finland, including VoLTE, VoNR and Voice Interconnect.
• Create operational improvements, automation capabilities and service quality enhancements through lifecycle management, testing, software upgrades, and modernization activities.
• Consult and collaborate with vendors, architects, developers, operations teams and customer-facing stakeholders to resolve complex service issues.
• Handle incidents, customer complaints, troubleshooting, root-cause investigations and participate in on-call duty supporting critical voice services.

Skills

Voice Core

IMS

SIP

Diameter

SS7/SIGTRAN

Linux

Cloud infrastructure

IP domain

Troubleshooting

Scripting

Automation

English

Finnish

Tools

Linux

Automation tooling

Job description

Telia is seeking a Voice Core Network Engineer to join the Voice Operations FI LT team in Finland. The role focuses on operating, maintaining and developing Voice Core platforms including VoLTE, VoNR and interconnect services, with strong emphasis on automation and continuous improvement.

You will collaborate with vendors, architects and operations teams to resolve complex issues, perform on-call duties, and drive improvements across signaling and cloud-based infrastructure.