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# Staff Messaging (SMS/MMS) Engineer

- **Company:** TELEGENT INC.
- **Location:** Pleasant Grove, UT, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Microsoft Azure, Linux, Error Codes, Enterprise Messaging Systems, Microsoft Foundation Class Library (C++ Libraries), Multimedia Messaging Services, Mobile Virtual Network Operator, Routing, Wireshark, Kubernetes, Restful APIs, Webhooks, Jasmine
- **Published:** August 9, 2026
- **Apply:** https://www.wayup.com/i-j-Staff-Messaging-SMS-MMS-Engineer-Telegent-Inc-953818964445825/

## About the Role

+ 5+ years of experience building or operating SMS / MMS platforms in telecom, MNO, MVNO, or CPaaS environment
 + Hands-on experience with SMSC/MMSC platforms using SMPP for SMS and MM7 for MMS
 + Experience implementing and deploying Azure cloud-base platforms
 + Experience with carrier-grade messaging systems such as Jasmin, Melrose Labs, or similar routing platforms
 + Designing, implementing and maintain high-availability, multi-regional queue-based Kubernetes cloud-based message traffic routing
 + Strong understanding of SMPP, MM7, delivery receipts (DLRs), and carrier error codes
 + Experience integrating with U.S. mobile carrier or global messaging aggregators
 + Ability to troubleshoot and resolve issues in live production messaging systems
 + Experience turning SMPP bind modes, throughput limits, and routing priorities
 + Experience with MMS media hosting, delivery, and content handling experience
 + Familiarity with AI development workflows and tools is strongly preferred
TECHNOLOGIES & TOOLS
SMS/ MMS, SMPP, Messaging Gateways, Carrier APIs, mPaaS, FMC / MFC, Wireshark, Linux, REST / HTTP APIs

## Description

We're looking for a Staff Messaging Engineer (SMS/MMS) to own the architecture and reliability of our messaging infrastructure at scale. This is a high-impact individual contributor role: you will shape how SMS and MMS traffic flows across our platform, drive carrier integrations, and set the technical direction for messaging across a distributed team of engineers.
This role owns message routing, throughput, delivery reporting, and compliance across U.S. and international networks.
WHAT YOU'LL DO

 + Design, deploy, and operate SMS and MMS routing, delivery, and reporting systems across multiple carriers and messaging hubs
 + Evaluate,
 + Configure and maintain SMPP connections for SMS and MM7 interfaces for MMS, including routing, throttling, retries, and failover
 + Support 10DLC, toll-free, short code, and international messaging workflows
 + Build and maintain APIs for outbound and inbound messages, delivery receipts (DLRs), and webhooks
 + Monitor throughput, delivery success, carrier response codes, and system performance
 + Investigate and resolve deliverability issues, including blocking, filtering, and spam classification
 + Enforce compliance with CTIA guidelines, opt-in/opt-out rules, and 10DLC requirements
 + Partner with SIP, network, and customer success teams to support enterprise messaging customers
 + Maintain technical documentation, routing logic, carrier mappings, and escalation procedures


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