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Innova Solutions
Mobile core Solution EngineerInnova Solutions • Brussels, Brussels Region, BE
Mobile core Solution Engineer

Mobile core Solution Engineer

Innova Solutions • Brussels, Brussels Region, BE
3 dagen geleden
Functieomschrijving

We are looking for a Mobile Core Solution Engineer to join our SIM for Things (SFT) team. In this role, you will drive the analysis, end-to-end design, development, and delivery of core mobile network solutions for global IoT connectivity. You will bridge high-level technical architecture with hands-on delivery, aligning solutions with business, operational, regulatory, cost, and time-to-market objectives.


Working across cross-functional teams, you will evaluate technology options, balance vendor capabilities with in-house integration, and take end-to-end ownership from requirements engineering to production rollout. You will play a pivotal role in performing technical assessments, executing complex call-flow analyses, and guiding platform evolutions.

Tasks Description:


  • Review, validate, and design technical solutions to ensure alignment with business, regulatory, operational, budget, and time-to-market constraints.
  • Lead technical platform development, contribute to product roadmaps, and perform technical assessments for network evolutions.
  • Drive end-to-end implementation projects across the lifecycle, coordinating with stakeholders on solution design, rollout, integration, and operational handoff.
  • Balance third-party/vendor capabilities with internal software development and integration efforts.
  • Draft and review detailed functional and technical specifications, integration guidelines, and RFP documents.
  • Perform architecture and impact analyses, defining operational methods, procedures, and documentation for product, marketing, and operations teams.
  • Apply deep call-flow analysis and troubleshooting expertise to solve complex core network, protocol, and interoperability issues.
  • Act as a technical authority and reference point for internal and external stakeholders, providing expert guidance and building trust across teams.


Experience & technical expertise:


  • Degree in Telecommunications, Computer Science, IT Engineering, or equivalent experience.
  • 6+ years of professional experience in telecom, IT, or mobile connectivity environments, with a strong blend of design and implementation skills.
  • Solid end-to-end understanding of mobile core network architectures (2G, 3G, 4G LTE, and 5G Core) across traditional and cloud environments (AWS, Azure, or Google Cloud).
  • Strong protocol and signaling expertise across HTTP, SS7, Diameter, MAP, INAP, and GTP.
  • Hands-on familiarity with SIM/eSIM ecosystems, including eUICC, SM-DP/SM-SR, SM-DP+, SIM applets, and Over-The-Air (OTA) provisioning.
  • Proven experience conducting end-to-end call-flow analysis, network troubleshooting, and integration testing.
  • Broad understanding of the international carrier landscape, IoT/M2M platforms, roaming, and MVNO/MVNE environments.


Nice to have:


  • Direct experience with specific mobile core components (e.g., P-GW/GGSN, HSS/HLR, PCRF, UPF, AMF, SMF).
  • Prior experience delivering complex telecom solutions on time and within scope.
  • Familiarity with containerized microservices and cloud-native network deployments.

Soft skills


  • Strong technical communication, negotiation, and presentation skills—able to bridge technical detail and business context.
  • Self-driven, autonomous contractor mindset with high ownership and a commitment to delivery timelines.
  • Structured, analytical problem solver comfortable navigating technical complexity.
  • Excellent team player experienced in working within international, multi-cultural environments.
  • Proactive approach to risk management, platform optimization, and stakeholder alignment.


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Mobile core Solution Engineer • Brussels, Brussels Region, BE

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