Sr Engineers, Radio Frequency

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T-Mobile is America’s supercharged Un-carrier, delivering an advanced 4G LTE and transformative nationwide 5G network that will offer reliable connectivity for all. Sr Engineers, Radio Frequency is located in Atlanta, GA, and will design, plan, and oversee installation and maintenance of wireless radio communications systems, including radio propagation modeling and prediction, microwave path analysis, interference analysis, frequency coordination, cell site equipment layout, parameter definition and ancillary equipment.

• Telecommuting is permitted, but applicant must work from the worksite location at least 3-4 days per week. No additional national or international travel is anticipated.

Position duties and responsibilities include, but are not limited to:

• Use professional concepts and apply company policies and procedures to resolve a variety of issues.

• Work on problems of diverse scope where analysis of situations or data will require evaluation of identifiable factors.

• Work with National Performance Analytics team and be responsible for RAN performance modeling and forecasting, deriving RAN performance targets, and conduct RF performance analysis to support with strategic decisions.

• Develop the performance projection models and methodology, which require in-depth knowledge of 5G Voice/Data and LTE technologies.

• Evaluate all upcoming and new products from Network Development and all ongoing activities in the field to estimate which key performance indicator is impacted and by how much.

• Provide performance targets for the new products being developed by Network Development and review the various development documents and Field Integration Test results to ensure these targets are being met.

• Provide Feedback and direction to development and engineering teams to improve network performance.

• Correlate Network Performance metrics using various data sources such as OM data, Drive test data, App-based measurements and Competitive analysis/benchmarking.

• Establish trends and patterns to understand impact of specific KPIs on overall customer/user experience.

• Use Coverage and Capacity forecasts to develop and publish Network Performance targets and projections.

• Validate and tune this performance projection model based on delta between actual and target performance.

• Develop and publish regular Network Performance Scorecards and reports to Executive leadership, local engineering, and operations teams.

• Work closely with other Performance teams (by OEM) and SMEs to improve the process efficiency and minimize redundant problem solving.

• Develop and continuously improve KPI metrics and reports for both Executive Leadership as well as field engineers.

• Act as the subject-matter expert in Performance Data Analytics.

Minimum requirements:

Experience and education requirements:

PRIMARY REQUIREMENTS: Master’s degree in Electrical Engineering, or related, and 3 years of relevant work experience.

ALTERNATIVE REQUIREMENTS: Bachelor’s degree in Electrical Engineering, or related, and 5 years of relevant work experience.

Skills requirements: Requires experience in each of the following skills:

3GPP specifications for LTE and NR Air Interface, including PHY, MAC, RLC, RRC, PDCP, and NAS layers. Advanced wireless industry practices for 4G and 5G radio network troubleshooting and optimization. Enhancing key performance and quality indicators such as accessibility, mobility, retainability, integrity, and throughput for 4G/5G networks using Layer 3 messages and tools like True Call, TEMS, and OM counters. Troubleshooting and optimizing inter-RAN vendor scenarios. Configuring, implementing, troubleshooting, and monitoring performance for parameter and feature testing trials on 4G/5G technologies using tools such as Cell Trace analyzer, Session analyzer, Parameter management, and shell scripting apps. This involves analyzing counters, fine-tuning vendor-specific RAN features, and developing internal processes for radio network design and new feature/technology implementation. 4G/5G layer management stra