Operational Engineer - Wireless Messaging (SMS/MMS)

We are seeking an Operational Engineer with hands-on experience in wireless messaging systems, specifically SMS and MMS. The role involves monitoring, troubleshooting, and optimizing messaging platforms, ensuring high availability, reliability, and performance across telecom networks., * Monitor and maintain SMS/MMS platforms, gateways, and messaging infrastructure.

• Troubleshoot delivery issues across carrier networks and aggregators.
• Analyze logs, delivery receipts (DLRs), and message flows to identify failures.
• Ensure uptime, system performance, and SLA compliance.
• Work with telecom protocols such as SMPP, MM7, HTTP APIs, and signaling systems.
• Collaborate with carriers, vendors, and internal teams for issue resolution.
• Perform root cause analysis (RCA) and implement preventive measures.
• Support deployments, upgrades, and configuration changes.
• Maintain operational documentation and runbooks.
• Participate in on-call rotation for incident response.

Do you have experience in UNIX?, * 3-7+ years in telecom, messaging, or wireless operations.

• Strong experience with:

• SMS/MMS protocols: SMPP, MM7, SS7 (preferred), Diameter (nice-to-have)
• Messaging platforms (e.g., OpenMarket, Syniverse, Twilio, or similar)

• Knowledge of:

• Routing, delivery receipts, message encoding (GSM, Unicode)
• Carrier connectivity and interworking

• Experience with log analysis and monitoring tools (e.g., Splunk, ELK, Grafana).
• Basic scripting skills (Python, Bash, or similar) for automation.
• Familiarity with Linux/Unix systems.
• Understanding of networking fundamentals (TCP/IP, firewalls, VPNs)., * Experience in Tier 2 / Tier 3 telecom support.
• Exposure to cloud platforms like Amazon Web Services or Google Cloud Platform.
• Knowledge of 4G/5G messaging evolution (RCS is a plus).
• Experience working with messaging APIs from Twilio or similar providers.
• ITIL certification or incident management experience.