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# Principal Engineer, Software

- **Company:** T-Mobile Us, Inc.
- **Location:** Bellevue, WA, United States
- **Experience:** Expert
- **Salary:** $133,500.0 - $240,700.0
- **Contract:** Permanent contract
- **Skills:** Data Analysis, Big Data, Network Functions Virtualization, Software Architecture, Software Engineering, Software Requirements Analysis, Software Systems, Virtualization Technology, System Availability, Information Technology, SDN Network, Microservices
- **Published:** July 22, 2026
- **Apply:** https://jobs.localjobnetwork.com/apply/add/87789289/1

## About the Role

* Bachelor's Degree plus 7 years of related work experience OR Advanced degree with 5 years of related experience (Required)
 * Acceptable areas of study include Computer Science or Engineering (Required)
 * 7-10 years Technical engineering experience. (Required)

Knowledge, Skills and Abilities:

 * Analytical Thinking (Required)
 * Analytics (Required)
 * Collaboration (Required)
 * Communication (Required)
 * Customer Service (Required)
 * Leadership (Required)
 * Software Development (Required)
 * Technical Writing (Required)

 * At least 18 years of age
 * Legally authorized to work in the United States

## Description

This role is essential for designing, implementing, and deploying scalable software solutions that meet customer requirements and support high availability environments. It involves collaborating with engineers to develop software components using technologies such as virtualization, microservices, software-defined networking, network functions virtualization, and big data platforms. The role requires applying judgment to resolve complex technical issues and making recommendations for software architecture and design. Success is measured by the effectiveness of software solutions, technical leadership contributions, and the ability to influence technology decisions. The work impacts the organization by enabling advanced software capabilities that improve operational efficiency and customer experience., * Drive engineering projects to deliver software solutions that meet technical requirements and quality standards

 * Provide technical leadership by mentoring engineers and influencing technology and policy decisions across the organization
 * Evaluate and apply technology strategies that align with business goals and system requirements
 * Develop innovative software designs and improvements that enhance existing systems and processes
 * Produce clear technical documentation and architecture descriptions for internal and external stakeholders
 * Also responsible for other duties/projects as assigned by business management as needed


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