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.
- 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.
Skills Required
- 3-7+ years in telecom, messaging, or wireless operations
- Strong experience with SMS/MMS protocols: SMPP, MM7, SS7 (preferred), Diameter (nice-to-have)
- 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
What We Do
WHO Founded in 2006 and headquartered in Redmond, WA. Our Senior Leadership team has more than 137 years of combined experience in the Telecommunications and Software Industry. Inabia is built on family values and close-knit culture. This commitment extends to the relationships we build with both our employees and our business partnerships. As a Minority Certified business, we strive to positively impact society through technology, people, and innovation. WHAT For over a decade, we have been providing powerful IT and business solutions to individuals and businesses alike. Here at Inabia, we believe that our success reflects our clients’ success. HOW We are fortunate to be situated in a city where technology and innovation is not only appreciated; but part of day to day lives. We are a growing company that has adapted and evolved our approach, helping us to exceed the ever-changing needs and requirements of our clients. WHY We are a company that fosters and values relationships, as a result many of our clients have been with us from the start of our journey. We ensure that our partners have access to best-in-class professional support, management consulting and staffing services. We make sure our consultants are carefully screened and selected based on their experience. This process ensures that we meet or exceed the specific needs of our clients.
