SIM & eSIM Connectivity Engineer

ppProximus Global, combining the strengths of Telesign, BICS, and Route Mobile, is shaping the future of communications and digital identity. /ppOur mission is simple : to enable seamless global connectivity and trusted engagements that power the world's interactions. /ppTogether, 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. /ppOur 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. /ppThrough 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. /ppThis role is based in Brussels and offered on a permanent contract. We follow a hybrid working model, with an expectation to be present in the Brussels office 2 to 3 days per week. Applicants must have the legal right to work in Belgium. /ph3About the role /h3pAt Proximus Global, we're looking for a SIM eSIM Connectivity Engineer to join our SIM for Things (SFT) team. /ppIn this role, you will contribute to the design, implementation, and support of our SIM and eSIM ecosystem, covering physical SIMs, eUICCs, eSIM Hub platforms, SM‑DP+, and Remote SIM Provisioning solutions. Working closely with product, operations, technology teams, vendors, and partners, you will help deliver reliable connectivity solutions for global IoT deployments. /ppYou will be involved throughout the SIM and eSIM lifecycle, from solution design and device validation to provisioning, troubleshooting, and operational support, helping ensure a seamless experience for customers and partners. /ph3What you'll do /h3ulliSupport the design and implementation of SIM, eSIM, and Remote SIM Provisioning solutions in line with business and operational requirements. /liliContribute to the evolution and continuous improvement of SIM for Things, eSIM Hub, and provisioning platforms. /liliParticipate in implementation projects involving SIM vendors, profile providers, and ecosystem partners. Perform technical analyses, solution assessments, and impact evaluations for new requirements and integrations. /liliDraft and maintain technical documentation, integration specifications, and operational procedures. /liliSupport the validation of SIM configurations, profiles, operating systems, and related technical components. /liliHelp manage SIM and eSIM lifecycle activities, including provisioning, activation, suspension, replacement, and termination processes. /liliCollaborate with operational teams on SIM inventory management, ordering processes, and vendor onboarding activities. /liliExecute and coordinate device interoperability testing and end-to-end validation activities. /liliVerify compatibility between devices, SIMs, eSIM profiles, connectivity platforms, and mobile networks. /liliInvestigate and troubleshoot technical incidents involving devices, SIMs, eUICCs, profiles, and network integrations. /liliSupport integrations with external partners, including eSIM and profile management platforms. /liliProvide technical support to internal stakeholders, customers, and business teams. /liliContribute to service monitoring, automation, operational excellence, and continuous improvement initiatives. /li /ul /p