Tech Lead – Cloud Call Controller

Company Overview

At Motorola Solutions we believe that everything starts with our people. Were a global close-knit community united by the relentless pursuit to help keep people safer everywhere. We build and connect technologies to help protect people property and places. Our solutions foster the collaboration thats critical for safer communities safer schools safer hospitals safer businesses and ultimately safer nations. Connect with a career that matters and help us build a safer future.

Department Overview

Job Description

Tech Lead Cloud Call Controller

We are looking for a Technical Lead who will drive the technical architecture design and development of cloud media server and controller systems.Strong skills in C/C networking protocols real-time media systems WebRTC RTP/RTCP and WebSockets

Basic Requirements

We are looking for a Technical Lead who will drive the technical architecture design and development of cloud media server and controller systems.

Primary Skills

• Expertise in C/C systems programming including concurrency models memory optimization and network stack tuning.
• Production experience with:
  UDP / TCP RTP / RTCP timing models ICE / STUN / TURN at scale and NAT traversal strategies.
• Strong architectural knowledge of WebRTC internals SIP / VoIP signaling flows SFU/MCU design patterns jitter buffer algorithms and latency optimization techniques.
• Hands-on experience leading deployments of open-source RTC stacks such as LiveKit Janus or similar WebRTC platforms.
• Strong skills in performance profiling scalability engineering and production-grade debugging.

Secondary Skills

• Experience integrating AI voice systems (STT / TTS / VAD) into RTC pipelines.
• Strong cloud architecture experience (GCP Docker Kubernetes multi-region failover).
• Solid understanding of distributed systems high-availability design and observability frameworks.
• Familiarity with ACE (C) framework.

Job Responsibilities

• Own the architecture and development of cloud media server and call controller software.
• Design scalable signaling infrastructure TURN routing strategies and media routing topologies for high volume concurrent sessions.
• Define performance and latency optimization strategies across modules.
• Lead debugging and resolution of complex production issues involving call failures QoS degradation congestion and scaling bottlenecks.
• Establish engineering standards for reliability observability and performance benchmarking.
• Mentor engineers conduct design reviews and guide architectural decisions.
• Drive continuous improvements in scalability resilience and operational excellence.

Experience/Education Qualification

• Experience: 8 years
• Bachelors degree in computer science Electronics & Communication Electrical Engineering Information Technology or a related technical discipline
• (Optional but preferred) Masters degree ( in a relevant field is a plus.

Travel Requirements

Relocation Provided

Position Type

Referral Payment Plan

EEO Statement

Motorola Solutions is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race color religion or belief sex sexual orientation gender identity national origin disability veteran status or any other legally-protected characteristic.

We are proud of our people-first and community-focused culture empowering every Motorolan to be their most authentic self and to do their best work to deliver on the promise of a safer world. If youd like to join our team but feel that you dont quite meet all of the preferred skills wed still love to hear why you think youd be a great addition to our team.