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# Operational Engineer - Wireless Messaging (SMS/MMS)

- **Company:** Inabia Software & Consulting Inc.
- **Location:** Ridgeland, MS, United States
- **Experience:** Experienced
- **Salary:** $100,000.0 - $120,000.0
- **Contract:** Permanent contract
- **Skills:** 4G (Telecommunication), Application Programming Interfaces (APIs), Amazon Web Services, Bash Shell, Unix, Cloud Computing, Encodings, Global System for Mobile Communications, Monitoring of Systems, Virtual Private Networks (VPN), Python (Programming Language), Log Analysis, Enterprise Messaging Systems, Networking Basics, Routing, TCP/IP, Twilio, Scripting, Google Cloud, System Availability, Grafana, Firewalls (Computer Science), 3-tier Architectures, Splunk
- **Published:** May 22, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=2a3c0d0ebe105be4

## About the Role

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.

## Description

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.


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