Mobile Core Engineer
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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.
Key highlights:
- 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
About the role
At Proximus Global, we’re looking for a Mobile Core Engineer to join our SIM for Things (SFT) team. In this role, you will design and deliver end-to-end mobile core solutions for IoT connectivity, working at the intersection of technology, product, and operations. From requirements to production, you’ll take ownership of solutions and help shape the evolution of our platforms. You’ll collaborate closely with cross-functional teams to ensure high-quality, scalable solutions and a seamless customer experience.
What you’ll do
- Design and validate technical solutions aligned with business, operational, and regulatory requirements
- Contribute to the roadmap and evolution of mobile core platforms
- Lead or support end-to-end implementation projects (design, rollout, optimisation)
- Draft and review functional & technical specifications and RFPs
- Drive architecture and impact analysis, and produce technical documentation
- Collaborate closely with operations, product, and marketing teams
- Act as a technical reference point, supporting internal and external stakeholders