Mobile Network Test Engineer (VoLTE, IMS, eSIM)

For 20+ years, we’ve been solving challenges at the intersection of business and technology to deliver value for businesses, people and communities around the world

Project Overview:

Our customer is an OEM manufacturer that wants Intellias to verify the connectivity performance of their connected cars, in, as closely as possible, real usage scenarios and in the several supported regions.

Requirements:

• Telecom / Mobile Networks
• Strong understanding of cellular network architecture difference (2G/3G/4G/5G)
• Knowledge of VoLTE, SIP protocol, IMS architecture, and fallback mechanisms
• Practical experience with roaming types, packet routing, APN configuration
• Understanding of eSIM provisioning, activation, and profile switching
• Proven experience analyzing/troubleshooting modem/network logs (attach failures, call drops, PDP context, etc.)

Testing & Debugging

• Minimum 4 years of hands-on experience in QA, system validation, or connectivity testing
• Proficiency in analyzing logs and identifying root causes across CAN, SIP, and diagnostics
• Familiarity with QA metrics and experience using test management tools
• Ability to create test documentation, metrics, reports etc.
• Experience in Linux, ADB, command line
• Strong analytical mindset, independence in problem-solving, and attention to details

Additional Requirements

• Valid EU driver’s license (category B) with 3+ years of driving experience
• Availability to travel up to 2 weeks per month across Europe and occasionally to Asia, North and South America
• Good communication skills and ability to work in an international, cross-functional environment

Nice to have: (Automotive also in nice to have)

• Field testing experience
• eCall testing experience
• Prototype driving license
• Knowledge of VW group tools & processes

Automotive / Vehicle Connectivity (nice to have)

• Experience working with TCU, NAD, and telematics control units
• Knowledge of eCall system functionality
• Hands-on experience with registration and pairing procedures in connected cars
• Familiarity with in-vehicle communication over CAN/CAN-FD, using CANoe and CAPL
• Experience working with tools such as ODIS, CP-Tool, and IDEX
• Knowledge of eCall regional legal requirements (EU, US)
• Understanding of connected car architecture, including VIN, PKI infrastructure, certificate provisioning, and secure pairing

Responsibilities:

• Services to be tested are:
• Registration and pairing of vehicles, in terms of connectivity;
• Cellular connectivity in several countries, including when crossing countries borders (roaming);
• eSIM-related management (activation, provisioning, profile updates)
• Emergency and Assistance Calls establishment and termination;