Role Overview

We are seeking a
Solution Architect
with deep expertise in
messaging platforms and core telecom nodes
, specifically
SMSC, USSD/USSI, and SMS Firewall systems
. Should be well versed with 3G/4G/5G call flows and 3GPP architecture.

The role focuses on
end-to-end solution architecture, deployment design (on-premise and cloud), and technical leadership
across customer engagements and internal product evolution. The candidate will be responsible for translating business and network requirements into
scalable, secure, and high-availability architectures
, while ensuring alignment with telecom standards and operational realities.

Key Responsibilities

Solution Architecture & Design
- IMS, SIP & USSI Expertise
- Design and validate SIP-based service flows for USSI and IMS messaging services.
- Define iFC (Initial Filter Criteria) for triggering application servers within IMS.
- Architect USSD to USSI interworking scenarios, ensuring service continuity across CS and IMS domains.
- Ensure compliance with relevant 3GPP specifications for IMS and USSI services.





IMS, SIP & USSI Expertise
- Design and validate SIP-based service flows for USSI and IMS messaging services.
- Define iFC (Initial Filter Criteria) for triggering application servers within IMS.
- Architect USSD to USSI interworking scenarios, ensuring service continuity across CS and IMS domains.
- Ensure compliance with relevant 3GPP specifications for IMS and USSI services.

Deployment & Integration
- Lead solution design and execution for on-premise and cloud-native deployments (private cloud, public cloud, hybrid models).
- Architect deployments using Linux, virtualization, Kubernetes, and containerized environments.
- Define integration with external systems such as BSS/OSS, charging systems (OCS/OFCS), mediation, and analytics platforms.
- Oversee installation, configuration, upgrades, and migrations of messaging platforms.

Protocol & Network Expertise
- Solid expertise in SMPP, SS7 (MAP/CAP),

📌 Solution Architect – Messaging (Bengaluru)
🏢 Comviva
📍 Bengaluru