Sr Engineer, Systems Design T-Mobile USA
Frisco, TX

Job Description

This position requires experience as an RF Engineer. Job responsibilities include, but are not limited to, designing, optimizing & trouble-shooting issues on T-Mobile's Packet Core applications responsible for Data Policy & Metering; interacting with other Engineering teams, Operations, QA teams and Business in shaping deliverables, interacting with different vendors and cross-functional teams to deliver a robust solution and formulating test instructions for certification. The position requires strong analytical and technical writing competency, as well as effective interpersonal skills to work with vendors and cross functional teams within the company.As America's Un-carrier, T-Mobile USA, Inc. (NASDAQ: "TMUS") is redefining the way consumers and businesses buy wireless services through leading product and service innovation. The company's advanced nationwide 4G and 4G LTE network delivers outstanding wireless experiences for customers who are unwilling to compromise on quality and value. Based in Bellevue, Washington, T-Mobile USA. Inc. provides services through its subsidiaries and operates its flagship brands, T-Mobile and Metro by T-Mobile. For more information, please visit http://www.t-mobile.com• Excellent knowledge of GSM, GPRS, UMTS, HSPA, LTE and IMS technologies including protocol stacks and call flows

* Work experience with PCRF, OCS, USD and other Packet Core platforms preferred
* Solid understanding of IP, TCP, UDP, SIP, RADIUS, DIAMETER protocol suites and hands-on optimization and troubleshooting experience
* Experience with at least one scripting language and familiarity with UNIX systems
* Experience in evaluating answers from vendors and guiding the roadmap for the platforms
* Ability to understand and reference 3GPP specifications
* Experience in working with cross functional teams especially Business and EIT teams
* Ability to perform duties off hours when required
* Self-starter and highly motivated individual who can provide technical leadership
* Ability to think outside of the box
* Strong negotiation skills

Education

* Bachelor's degree in Electrical Engineering, Computer Science or similar discipline with emphasis in Wireless Telecom technologiesRequires competency in customer focus, change & innovation, strategic thinking, relationship building & influencing, talent management, results focus and inspirational leadership.
* Ability to define T-Mobile specific requirements and work effectively with other organizations, users and vendors on developing, testing, implementing and supporting these requirements for existing and upcoming products
* Subject Matter Expert (SME) for PCRF/AAA and OCS (Data Metering)
* Provide support to Engineers in the team on project design, testing and deployment activities
* Review and update appropriate design documents
* Ability to create automated scripts on-demand to monitor performance of PCRF/AAA and OCS platforms and other KPIs required for Executive Dashboard
* Ability to present and defend the chosen design to partner teams and executive management
* Support Lab, Design and Operations teams in the validation and FOA to maximize success during the network rollout phase
* Troubleshoot production issues related to the PCRF/AAA and OCS platforms; collect and analyze interface traces using protocol analyzers
* Support Tier 2 operations teams and resolve network problems by analyzing the requisite protocol traces
* Work with the Performance and Planning Teams on assessing the performance and capacity of the PCRF and OCS nodes and recommend corrective actions to resolve any identified degradation
* Work with Capacity Planning team on the capacity forecast for PCRF and OCS nodes and plan necessary expansion or optimization to ensure uncompromised network performance
* Willing to learn and experiment with new ideas and solutions with a strong passion for technology
* Use skills to continually enhance existing applications and processes