Operational Engineer – Wireless Messaging (SMS/MMS)

Ridgeland, MS
Full Time
Experienced
This position is fully on site in Ridgeland, MS (no remote or hybrid)
Job Summary
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.
Key Responsibilities
  • 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.
Required Skills & Experience
  • 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).
Preferred Qualifications
  • 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.
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