IMS Core Architect – 4G/5G & SBC Expert

Tech Junction Ltd; Colombia; Remote; COP 319,466,000 - 461,451,000; Full time

Job summary

centr-link seeks an experienced IMS/iSBC Core Expert for a long-term engagement across Europe. You will architect, deploy, and optimize Nokia IMS and Voice Core infrastructures, and drive multi-vendor integration and rigorous migration workflows.

You will own design and operational excellence, coordinate stakeholders, and ensure compliance with regulatory and security standards while delivering robust voice services.

Qualifications

• Bachelor's or Master's in Telecommunications Engineering, CS, or related field.
• 5+ years in core network engineering and voice architecture.
• Hands-on Nokia IMS and Voice Core deployment experience.
• Experience with iSBC/eSBC, SIP trunking, and multi-vendor migrations.
• Strong project coordination and stakeholder management.
• Ability to work across Europe and comply with regulatory standards.

Responsibilities

• Architect, deploy, configure, and maintain Nokia IMS and Voice Core solutions across large-scale European networks.
• Design and optimize iSBC/eSBC and SIP trunking architectures.
• Execute complex network migration, multi-vendor core modernization.
• Provide expert-level project coordination, stakeholder management, and technical reporting.
• Troubleshooting, root-cause analysis, and performance tuning for signaling and media routing.
• Collaborate with cross-functional teams and client leadership.
• Ensure adherence to regulatory standards, security policies, and SLA targets.
• Maintain comprehensive technical documentation.

Skills

Nokia IMS

SIP trunking

iSBC/eSBC

Voice Core design

Multi-vendor integration

Project coordination

Education

Bachelor's or Master's in Telecommunications Engineering or related field

Tools

Nokia tools

Job description

centr-link seeks an experienced IMS/iSBC Core Expert for a long-term engagement across Europe. You will architect, deploy, and optimize Nokia IMS and Voice Core infrastructures, and drive multi-vendor integration and rigorous migration workflows.

You will own design and operational excellence, coordinate stakeholders, and ensure compliance with regulatory and security standards while delivering robust voice services.