? Freelance Opportunity | Solution Architect – Messaging Projects (SMSC/MMSC)

? Location: Milan, Italy | Hybrid / Smart Working

? Contract: Freelance

? Languages: Italian C1 | English B2

? Must be based in Italy – No sponsorship available

We are looking for an experienced Solution Architect – Messaging Projects (SMSC/MMSC) to support a major mobile engineering environment in the design, integration and evolution of mobile messaging platforms .

This is an excellent freelance opportunity for a telecom professional with strong experience in SMSC/MMSC, mobile signaling and cloud-native technologies .

? Key Responsibilities

- Design architectures for SMSC/MMSC mobile messaging services .
- Analyse technical requirements and contribute to architecture evolution.
- Integrate and commission messaging components and interfaces including SMPP and MAP .
- Perform L2/L3 troubleshooting across signaling and message-delivery flows.
- Conduct end-to-end analysis in complex multi-vendor environments .
- Contribute to technology roadmaps covering automation, observability and resilience .

? Essential Technical Skills





- Experience/knowledge of SMSC and MMSC architectures .
- Strong understanding of MTP, SCCP, TCAP, MAP and SMPP .
- Kubernetes and containerization in cloud-native environments.
- Understanding of 2G / 3G / 4G / 5G core networks and signaling flows.
- Linux environments and diagnostic tools such as Wireshark and tcpdump .
- Good knowledge of IP Networking, DNS, TLS and high-availability principles .

⭐ Nice to Have

- SIGTRAN / SS7
- Diameter, SIP / IMS
- MM7, HTTP APIs, USSD
- SMS Firewall / Anti-fraud
- HLR / MNP
- VAS platform integration
- Prometheus / Grafana , metrics, logs and tracing

? Why Consider This Opportunity? ✅ Freelance engagement

✅ Hybrid / Lavoro da remoto in Milan

✅ Remote work possibility

✅ Work on advanced SMSC/MMSC and mobile messaging platforms

✅ Exposure to cloud-native, Kubernetes and telecom architecture projects

? Interested or know someone suitable? Feel free to apply or send me a direct message to discuss the opportunity.

📌 Solution Architect - Messaging Projects (Milano)
🏢 Hays
📍 Milano