VoLTE & IMS Integration Engineer - 5G/Cloud

Ericsson; Amsterdam; On-site; EUR 70,000 - 90,000; Full time

Job summary

Ericsson in Maastricht, Netherlands, is seeking an flexible VoLTE/Control/IMS Integration Engineer to help integrate, test and troubleshoot voice and core network solutions in real customer environments.

We hire across JS2-JS5 levels; junior candidates benefit from strong technical foundations and curiosity, while experienced engineers can lead technical delivery and customer activities. Regular on-site testing at customer facilities is expected.

Qualifications

• Bachelor's or Master's degree in Telecommunications, Computer Science, Electrical Engineering or related field, or equivalent practical experience.
• Interest in mobile networks and VoLTE/IMS/4G/5G or cloud technologies.
• Hands-on exposure through work, internships, university projects or labs; telecom integration/operations experience for senior levels.
• Basic knowledge of Linux, networking, SIP, Diameter or IMS/VoLTE is a plus.
• Curiosity, troubleshooting mindset and good communication across teams.

Responsibilities

• Assist with integration, testing and troubleshooting VoLTE, IMS and 4G/5G Core network solutions in real customer environments.
• Learn and gradually take more ownership of technical activities and customer projects.
• Investigate issues using logs, traces and KPIs, identify root causes and propose fixes.
• Support testing of services such as VoLTE calls, IMS registration and other mobile voice features.
• Configure, upgrade, migrate and expand network solutions while keeping services running smoothly.
• Work with SIP, Diameter, IP networking, Linux, DNS/ENUM and HTTP/2 as appropriate.
• Collaborate with engineers, solution architects, project managers, customers and other teams to deliver projects.
• Document work and share learnings with the wider team.
• Develop knowledge of cloud-native telecom and 5G Standalone technologies.
• As experience grows, take greater ownership of technical activities, customer communication, planning and solution design.

Skills

Fluent English

Communication skills

Team collaboration

Troubleshooting mindset

Education

Bachelor's or Master's in Telecommunications/CS/EE or related

Tools

Linux

SIP

Diameter

IP Networking

DNS/ENUM

HTTP/2

Job description

Ericsson in Maastricht, Netherlands, is seeking an flexible VoLTE/Control/IMS Integration Engineer to help integrate, test and troubleshoot voice and core network solutions in real customer environments.

We hire across JS2-JS5 levels; junior candidates benefit from strong technical foundations and curiosity, while experienced engineers can lead technical delivery and customer activities. Regular on-site testing at customer facilities is expected.