Senior Mobile Core and Roaming Engineer (Relocation Provided)

Wypoon Technologies BV; Amsterdam; Hybrid; EUR 90,000 - 130,000; Full time

Benefits offered by this job

Visa support

Hybrid work setup

International exposure

Job summary

Wypoon Technologies BV is seeking an experienced Senior Mobile Core & Roaming Engineer to join a leading international telecoms organization. You will operate in a complex mobile network environment, bridging hands-on engineering with platform optimisation, automation, and new mobile technologies.

In this role you will collaborate with internal teams and international roaming partners to ensure reliable, secure mobile connectivity.

Qualifications

• Strong experience in mobile telecommunications networks, preferably Mobile Core, Packet Core, or Roaming.
• Hands-on roaming experience and exposure to roaming services.
• Understanding of SS7 and Diameter signalling protocols.
• Knowledge of SIP, IP, and 3GPP interfaces.
• Hands-on experience with Linux/Unix environments.
• Experience with network monitoring and troubleshooting.
• Fluency in English.
• Willingness to participate in an on-call rotation.
• Willingness to work in a hybrid setup (approx. two days per week).

Responsibilities

• Strong professional experience within mobile telecommunications networks, preferably Mobile Core, Packet Core, or Roaming.
• Hands-on experience with international roaming and/or Mobile Core.
• Understanding of signalling protocols, particularly SS7 and Diameter.
• Knowledge of SIP, IP and 3GPP standards and interfaces.
• Hands-on experience with Linux/Unix environments.
• Experience with network monitoring, troubleshooting, configuration, and operational tooling.
• Knowledge of 4G/LTE, EPC/Packet Core, VoLTE and/or 5G Core.
• Investigate and resolve incidents within production environments.
• Strong analytical and troubleshooting skills with a proactive approach.
• Ability to work independently and make technical decisions.
• Experience collaborating with international partners.
• English fluency.
• Willingness to participate in on-call rotation.
• Hybrid work setup approximately two days per week.

Skills

Mobile telecommunications networks

Mobile Core / Roaming

SS7 & Diameter

Linux/Unix

Troubleshooting

Analytical thinking

Independent work

Tools

Telecom monitoring tools

Networking diagnostics

DevOps automation tooling

Job description

We are looking for an experienced Senior Mobile Core & Roaming Engineer to join one of our clients, a leading international organisation in the telecommunications industry. You will become part of a specialised engineering team responsible for international roaming, mobile core networks, signalling, security, and ensuring the reliability of critical mobile services.

In this role, you will work at the heart of a complex mobile network environment, combining hands-on operational engineering and complex troubleshooting with platform optimisation, automation, and the implementation of new mobile technologies.

You will collaborate closely with internal engineering teams and international telecom and roaming partners to ensure reliable and secure mobile connectivity.

Why Join Us?

At Wypoon Technologies, you will work on dynamic projects for industry leaders such as Heineken, ING, ASML, Philips, and Shell, tackling exciting challenges and delivering tailored enterprise solutions.

Here’s what makes us stand out:

Impactful Work: Shape the future of our clients’ digital landscapes.

Innovative Environment: Collaborate within a supportive team that values learning and growth.

State-of-the-art technology: Access the latest tools and platforms.

Global Opportunities: Dreaming of living and working in the Netherlands or Belgium? We provide full support with visa processes, making your transition smooth and hassle-free!

What You’ll Be Doing

• Strong professional experience within mobile telecommunications networks, preferably within Mobile Core, Packet Core, or Roaming environments.
• Hands-on experience with international roaming and/or strong Mobile Core experience with clear exposure to roaming services.
• Strong understanding of telecommunications signalling protocols, particularly SS7 and Diameter.
• Knowledge of additional protocols and technologies such as SIP, INAP, IP, and relevant 3GPP standards and interfaces.
• Hands-on experience working with Linux and/or Unix environments.
• Experience with network monitoring, troubleshooting, configuration, and operational telecommunications tooling.
• Knowledge of 4G/LTE, EPC/Packet Core, VoLTE and/or 5G Core technologies.
• Proven ability to investigate and resolve complex incidents within business-critical production environments.
• Strong analytical and troubleshooting skills combined with a proactive approach.
• Ability to work independently, take ownership, and make technical decisions when required.
• Experience collaborating with multidisciplinary engineering teams and external telecommunications partners.
• Professional fluency in English.
• Willingness to participate in a periodic on-call rotation.
• Ability to work in a hybrid setup, approximately two days per week.

Nice to Have

• Experience with telecom fraud prevention, fraud detection, or signalling security.
• Experience with telecommunications monitoring or signalling platforms such as Tekelec, Radcom, Datamon, or comparable solutions.
• Experience with automation, scripting, or operational tooling within a DevOps environment.
• Experience working directly with international carriers, roaming partners, or other telecommunications providers.
• Hands-on exposure to VoLTE roaming and/or 5G roaming.

About You

You are an experienced telecommunications engineer who enjoys solving complex technical challenges and taking ownership in business-critical environments. You combine a hands-on operational mindset with a drive to continuously improve and automate, and you are comfortable collaborating with both technical teams and international partners.

Join Wypoon Technologies, where your expertise will thrive, your ideas will be valued, and your career will reach new heights.