VoLTE Core Engineer - IMS/EPC, 4G/5G

Invences Inc.; United States; Hybrid; USD 90,000 - 120,000; Full time

Job summary

Invences Inc. is seeking a VOLTE engineer with 2-3 years of hands-on experience in 4G/5G networks, focusing on designing, deploying, optimizing, and troubleshooting end-to-end VoLTE solutions within Nokia core network environments.

The role requires expertise in Nokia IMS and EPC, SIP/DIAMETER/GTP/RADIUS protocols, and collaboration with cross-functional teams to ensure seamless voice services, VoWiFi support, and timely software patches and upgrades.

Qualifications

• 2-3 years of related field experience.
• Experience with VoLTE/IMS in 4G/5G networks.
• Experience with Nokia core network elements (IMS, EPC, PCRF, SBC).
• Familiarity with SIP, DIAMETER, GTP, RADIUS protocols.
• Experience troubleshooting and optimizing VoLTE/VoWiFi services.

Responsibilities

• Integrate, configure, and deploy VOLTE solutions for 4G/5G networks with Nokia core systems.
• Provide expertise in Nokia IMS, EPC and related core components for VoLTE services.
• Troubleshoot and optimize VOLTE, VoWiFi and voice services in live networks.
• Collaborate with network engineering, operations and support teams to resolve issues.
• Analyze network performance KPIs and suggest improvements; work with related tools.

Skills

VoLTE engineering

Nokia Core

IMS

EPC

SIP

DIAMETER

GTP

RADIUS

Troubleshooting

4G/5G

VoWiFi

Team collaboration

Education

Bachelor’s degree in Telecommunications/CS/EE

Tools

Nokia-related tools

Wireshark

Job description

Invences Inc. is seeking a VOLTE engineer with 2-3 years of hands-on experience in 4G/5G networks, focusing on designing, deploying, optimizing, and troubleshooting end-to-end VoLTE solutions within Nokia core network environments.

The role requires expertise in Nokia IMS and EPC, SIP/DIAMETER/GTP/RADIUS protocols, and collaboration with cross-functional teams to ensure seamless voice services, VoWiFi support, and timely software patches and upgrades.