Roaming Engineer M/V/X

Description de la fonction

Proximus Global, combining the strengths of Telesign, BICS, and Route Mobile, is shaping the future of communications and digital identity.

Our mission is simple : to enable seamless global connectivity and trusted engagements that power the world's interactions.

Together, our solutions fuel innovation across the world's largest companies and emerging brands. With a truly global reach, we enable businesses to create engaging customer experiences while integrating fraud protection across the entire lifecycle.

Our portfolio covers global voice, messaging and data connectivity, alongside 5G and IoT solutions. It also includes digital identity, verification and CPaaS platforms for personalised, omnichannel engagement. Through these capabilities, we help businesses and communities stay connected, secure and ready to grow. Today, we reach more than 5 billion subscribers, secure over 180 billion transactions every year, and connect more than 1,000 destinations worldwide - delivering on our commitment to connect, protect and engage everywhere.

Powering more than 13 billion digital communications every month

Supporting over 3,500 active customers through a presence in 50+ global offices across 100+ countries

Managing 50% of global roaming data traffic and connecting 150 million IoT devices

Driving innovation in 5G, private networks and IoT, reinforcing our position in next-generation communications

Please note that this position is open on a permanent contract (no freelance) and is based in Brussels with an on-site presence required 2 to 3 days a week. Applicants must have the legal right to work in Belgium.

Join a highly skilled engineering team driving the evolution of global roaming and data core services. In this role, you'll take ownership of technical solutions from design to delivery, helping shape the next generation of connectivity services.

Responsabilities:

•  Lead the analysis, architecture, design and implementation of network platforms and OSS solutions supporting service fulfilment, provisioning, assurance and automation.
• Own technical projects end-to-end, from requirements gathering and solution design through testing, integration and production deployment.
• Evaluate network and OSS technologies, define target architectures and recommend platform evolutions based on business, operational and regulatory requirements.
• Collaborate with Product, Operations, IT and Engineering teams to deliver scalable, reliable and secure network solutions.
• Support vendor selection, RFI/RFP processes and technical assessments of third-party solutions.
• Produce technical designs, architecture documentation, impact assessments and implementation guidelines.
• Drive proof of concepts, technical trials and platform roadmap activities to validate new capabilities and technologies.
• Act as the technical authority for the assigned domain, providing expert guidance to internal stakeholders, partners and suppliers.

Profil

Technical Requirements

• Degree in Telecommunications, Computer Science, IT, or a related field.
• At least 6 years of experience in the telecommunications or IT industry.
• Strong knowledge of telecommunications networks, mobile core technologies and international roaming services.
• Hands-on expertise in mobile packet core technologies (4G/5G), including components such as SMF, UPF, PGW, SGW and roaming interfaces like S8 and N4.
• Solid understanding of roaming architectures and services, including VoLTE, IMS, Home Routing, Local Breakout (LBO) and roaming hub solutions.
• Knowledge of signalling and telecom protocols such as Diameter, SS7 and SCTP.
• Experience configuring, operating and troubleshooting telecom platforms, including monitoring and testing tools such as Splunk and SIGOS.
• Familiarity with Linux environments, scripting and automation (Bash, Python or similar).
• Exposure to cloud, containerisation and DevOps technologies (Kubernetes, OpenShift, AWS, CI/CD) is a plus.
• Experience in the international carrier or wholesale telecommunications industry is an advantage.
• Excellent written and spoken English.

Soft Skills 

• Strong analytical and solution-oriented mindset, with the ability to approach challenges creatively and efficiently. 
• Excellent communication and interpersonal skills, enabling smooth collaboration across multidisciplinary teams. 
• Solid coordination and planning capabilities, with flexibility to adapt to changing situations and unexpected issues. 
• Proactive attitude, strong sense of ownership, and willingness to learn fast and go the extra mile when needed. 
• Well-organized, resilient under pressure, and able to manage risks effectively with quick and sound decision-making. 
• Result-oriented, customer-focused and committed to delivering high-quality outcomes. 
   

Compétences linguistiques

• Néérlandais (atout)

  • Comprendre : Elémentaire (A)
  • Écrire : Elémentaire (A)
  • Lire : Elémentaire (A)
  • Parler : Elémentaire (A)

Avantages du poste

Work with diverse teams across 100+ countries, in a truly international and connected environment.

Take initiative, make decisions and own your impact with real autonomy.

Contribute to meaningful solutions in global connectivity, combining technology, platforms and expertise across Proximus Global.

Continuously learn, challenge the status quo, and grow across our global organisation.

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