Principal Engineer, Systems Architecture

T-Mobile•Frisco, TX

2d•$130,400 - $235,200•Hybrid

About The Position

This role develops and evolves technical network and service architectures to maintain and enhance the technology portfolio. It involves creating, adapting, and revising detailed schematics, hardware and software selections, and implementation processes. The role requires interpreting network simulations, test results, and technology studies to inform design decisions. Success is measured by the effectiveness of architecture solutions and their alignment with business objectives. The work impacts organizational technology capabilities and customer service quality through improved network design and strategy.

Requirements

Bachelor's Degree plus 7 years of related work experience OR Advanced degree with 5 years of related experience.
Acceptable areas of study include Engineering, Computer Science.
7-10 years Technical engineering experience.
12+ years of experience across UCaaS, telecom, or cloud communications platforms.
Cloud architecture expertise across Microsoft Azure, AWS or GCP; relevant cloud certifications are a plus.
Strong hands-on experience with IMS Core, SBC, SIP, VoIP, SMSC/MMSC, and related telecom integrations.
Proven experience designing, deploying, and operating large-scale, carrier-grade and enterprise communications platforms.
Experience with Agentic AI and AI-powered workflow automation.
Hands-on experience building AI agents or solutions using Microsoft Copilot Studio, OpenAI, or similar platforms.
Strong production troubleshooting and incident leadership skills, including diagnosing complex issues with limited data and driving critical incidents to resolution.
Experience with cloud-native architectures, including Kubernetes, containers, microservices, APIs, and distributed systems.
Analytical Thinking
Communication
Mentorship
Network Architecture
Solution Architecture
Strategic Objectives
Systems Architecture
Systems Engineering
Technical Writing
Telecommunications
At least 18 years of age
Legally authorized to work in the United States

Nice To Haves

relevant cloud certifications are a plus.

Responsibilities

Lead the development and evolution of network and service architectures.
Created architecture designs to support technology portfolio enhancements.
Conduct analysis and interpretation of network simulations and test results to inform architecture decisions.
Create and maintain technical documentation and presentations to communicate complex ideas to diverse audiences.
Drive engineering projects by applying techniques, supervising engineers, and optimizing network architecture processes.
Monitor industry technologies and standards to influence technology and policy decisions across the organization.
Coach and mentor engineers on technology decisions and contribute to cross-functional technical investigations.
Also responsible for other duties/projects as assigned by business management as needed.