Staff Engineer, Cellular / Wireless Networks

This engineering position provides an opportunity to work closely with leading wireless operators, infrastructure vendors and R&D Teams on cutting-edge wireless technologies such as 5G/LTE-Advanced/LTE. Responsibilities include 5G/LTE-A/LTE systems performance characterization and optimization, debugging support, demos and over the air (OTA) field trials of new features. Further responsibilities include working with the network equipment provider to resolve any inter-operability issues, evaluate system performance including coverage, capacity and mobility on the OTA network. Additional areas of responsibility include design, optimization, capacity estimation and management, debugging of air-interface and core-network issues, system parameter recommendations, participating in new technology inter-operability tests and field trials in conjunction with R&D teams, lab performance studies, authoring white-papers and documents on new wireless technologies and standards. The candidate should have an academic background in digital communications, wireless and computer communication networks. The successful candidate should have the ability to understand detailed technical design, implementation and issues related to 5G/LTE-A/LTE technologies. The candidate should be able to provide onsite support to mobile operators worldwide to help roll out and enhance their 5G/LTE-A/LTE networks.

We are looking for highly motivated individual who is excited by the prospect of working on cutting-edge 5G technologies/evolutions, has high willingness to learn new things, ability to innovate and has good communication skills, ability to coordinate and work across multiple Qualcomm teams and is flexible to travel.  

Responsibilities:

• Interact with wireless Operators to investigate and characterize the performance of 5G/LTE-A/LTE networks in various aspects ranging from core network, air interface, to devices and applications
• Use handset and network infrastructure based advanced tools to accurately measure existing and potential network performance
• Use in-house simulation platforms written in C/C++/MATLAB with live network traffic data and develop solutions to improve network performance & efficiency
• RF and OTA Parametric Optimization and troubleshooting involving the use of various complex data collection and post-processing tools to assess wireless network performance and propose solutions to problems
• RF Network Planning, including propagation model calibration, link budget definition, network planning tool configuration, coverage and capacity planning and network growth dimensioning
• Support operator for development and evaluation of infrastructure vendor RFPs for 5G/LTE-A/LTE networks
• Support development of forward looking solutions to address network operator growth and expansion plans covering all network entities
• Support efforts related to wireless network voice/data capacity estimation and techniques to mitigate/manage cellular network congestion
• Develop white-papers, conference contributions, technical memos, new technology training documents and detailed technical presentations. These may be focused on wireless system performance, network parameter optimization, new wireless technology standards or analysis of wireless network/device issues
• Ability to present complex technical ideas and results to multi-level, multi-disciplinary internal and external audiences

Skills and Experience:

• Good knowledge of cellular (5N NR, LTE-A and LTE) PHY/MAC and upper layers.
• LTE and 5G networks’ performance assessment & optimization experience on major RAN infra-vendor(s)
• Academic course-work in some of the following areas: Digital Communications, Mobile Communications (including wireless propagation, CDMA, OFDM principles), Communication Theory/Systems, Error Correcting Codes, Computer networks (TCP/IP), Probability theory & Random processes, Linear Algebra, DSP, MIMO techniques and Wireless Networks
• Academic projects and research in digital communications, wireless or computer networks including technical conference paper submissions is considered a strong plus
• Background in 3GPP protocol standards, design, development, integration and verification, call processing of cellular (5G/LTE-A/LTE) systems or networks is a strong plus
• Experience with data services including knowledge of protocols such as RTP/TCP/UDP/IP is required
• Exposure to network planning, measurement and optimization tools such as Atoll, Asset3G, iBwave, QXDM, TEMS, Ethereal, Actix, Agilent, R&S, Spirent, PCtel is a plus
• Programming skills in C/C++/Perl/Python/MATLAB and proven programming project experience using these is a strong plus

Required Qualifications:

• Bachelor’s Degree (BS) in Electrical Engineering with a senior focus in Wireless Communication Systems.
• Minimum GPA: 3.4
• 6 to 10 years of relevant engineering experience in cellular networks or research in wireless communications/network
• Independent and a team player with the ability to effectively work with multi-functional engineering teams
• Excellent written and verbal communication and presentation skills

Preferred Qualifications:

• MSEE with a senior focus in Wireless Communication Systems
• Minimum GPA: 3.4
• 6 to 10 years of relevant engineering experience in cellular networks or research in wireless communications/network
• Independent and a team player with the ability to effectively work with multi-functional engineering teams
• Excellent written and verbal communication and presentation skills