Professional RAN Engineer RF IV Optimization
AT&T - Englewood, CO

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Optimization (acute and chronic refined sectors not performing). Focused on chronic areas of the network not performing for long periods of time and areas of the network experiencing slow degradations of performance. Optimization engineers will be responsible for determining how the network can achieve optimal performance. Responsibilities will include the following: a. Review chronic offender list produced by RAN HQ to identify targets for optimization b. Determine what is impacting CQI/quality measures for chronic sites c. Work with RAN HQ to identify standard parameters for future use to drive optimal performance, assist with incorporation of standardized parameters in Best Practice Field guides d. Work with the RAN Design team to identify design changes that are required to address problems that cannot be corrected with tuning. e. Work with Performance Engineering team to separate chronic and acute offenders. f. Plan to integrate new elements into the network, including: new cell sites, changes made to adjacent cell sites, new configurations g. Track new elements in service for performance metrics ensure optimization, no subscriber impact issues created by introduction of new elements. h. Manage integration of new technologies, for example, LTE first delivered to Designer but same job role would be expected of Network Performance roles. i. C&E interface: Huge C&E interface with design team. When handing it over to Production C&E is team which builds new cell sites, adding carriers, expansions, work with C&E for test and acceptance/final check before rollout. j. Tracking Changes to network: Currently doing poor job of designing changes that may have performance impact and not measuring it later once rolled out. i. Design team: Design team has design which may need field data. Request latest field data, drive test data, from Network Performance team. k. Performance audit activities to perform daily/morning routine audit to determine what is not working. In time this tool will be automated but is fairly manual today. Need consistent reporting tool/ process to auto identify broken areas. Additional Responsibilities This position may be responsible for contributing to AT&T's compliance with environmental laws and regulations as applicable to its job function. This may include, but is not limited to, work related to fuel tanks, emergency and stand-by generators, boilers, hazardous waste, hazardous materials, batteries, manholes and vaults, water wells, linear and other construction projects, water discharge, or air emissions.

Required Qualifications Bachelors degree in Engineering, Math or Sciences 5-8 years of progressive successful development as an engineer. Strong knowledge of and the ability to solve complex issues in the areas of: RF engineering principles (RF communications theory, design principles, network optimization, propagation modeling and prediction, etc.) and vendor capability assessment, Network architecture (3GPP Air interface, standards, technology and evolution, etc.), Vendor capability assessment Wireless engineering principles (cell site/tower design, attributes and specifications, and RAN design, spectrum/frequency planning, etc.), Hardware (Cellsite equipment layout, network infrastructures), Performance Management (System KPIs and metrics, etc.), and Software (Parameter definition, etc). Tools and Software (AIM, RF propagation, modeling, and planning tools, etc.)

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