Staff Engineer - IMS Software Development

Lead end-to-end design and development of IMS software features across signaling, media, and telephony domains.

Drive architecture reviews, design discussions, and technical decision-making for complex IMS enhancements.

Provide technical leadership to engineers across multiple product lines and programs.

Mentor junior and senior engineers in IMS protocols, modem architecture, debugging methodologies, and software development best practices.

Own the complete feature lifecycle including requirements analysis, design, implementation, validation, commercialization, and customer support.

Deliver operator-specific and customer-driven IMS requirements.

Lead development of advanced IMS capabilities including: VoLTE VoNR VoWiFi SMS over IMS Emergency Calling / E911 / NG-eCall IMS Registration Enhancements Multi-SIM and Data-Switching Solutions EPS Fallback and Call Continuity Features

VoLTE

VoNR

VoWiFi

SMS over IMS

Emergency Calling / E911 / NG-eCall

IMS Registration Enhancements

Multi-SIM and Data-Switching Solutions

EPS Fallback and Call Continuity Features

Ensure compliance with 3GPP, GSMA, carrier, and regulatory requirements.

Work closely with Modem, NAS, RRC, MMCP, Telephony, Android Framework, Data Services, and Carrier Testing teams.

Analyze and resolve complex customer-reported issues involving: SIP signaling RTP media Registration failures Handover and mobility scenarios Emergency call procedures Network interoperability issues

SIP signaling

RTP media

Registration failures

Handover and mobility scenarios

Emergency call procedures

Network interoperability issues

Lead root-cause analysis and drive closure of field and lab issues.

Interface directly with system architects, product management, verification teams, carrier certification teams, and customers.

Drive technical reviews and project planning activities across global engineering teams.

Act as an IMS subject matter expert for product commercialization and customer engagements.

Drive technical innovation in IMS architecture, performance optimization, AI-assisted development workflows, and automation.

Contribute to patent generation, proof-of-concepts, and strategic technology initiatives.

Champion software quality, scalability, automation, and engineering excellence.

Bachelor's, Master's, or Ph.D. in: Computer Science Electronics & Communication Engineering Telecommunications Information Science Related Engineering Discipline

Computer Science

Electronics & Communication Engineering

Telecommunications

Information Science

Related Engineering Discipline

8-12 years of software development experience.

5+ years of hands-on IMS, VoLTE, VoNR, or telecom protocol development experience.

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