Senior Staff Engineer - 5G Systems Engineer

Qualcomm; Delhi; On-site; INR 4,500,000 - 6,000,000; Full time

Job summary

Qualcomm India Private Limited is seeking a lead engineer to drive 6G/5G-Adv/5G/LTE performance characterization and OTA trials. You will work with operators, vendors, and R&D teams to optimize network performance and diagnose inter-operability issues.

The role involves data-driven RF/OTA optimization, ML-based analysis, and development of white papers and training materials. Travel up to 30% domestically and internationally is required.

Qualifications

• Bachelor’s degree in engineering (ECE) with a senior focus in Wireless Communication Systems.
• 15+ years of deep technical depth in 3GPP technology and End to End 5G-Adv/5G/4G networks performance analysis/optimization.
• Willingness to travel (up to 30%) domestically and internationally.
• Excellent written, verbal communication and presentation skills.

Responsibilities

• Lead interactions with wireless Operators to investigate and characterize performance of 6G/5GAdv/5G/LTE networks across multiple domains.
• Contribute to advanced topics such as ISAC, NTN, ORAN/vRAN, private networks, and fixed wireless access.
• Handle large performance data analysis for logs/traces across network elements.
• RF and OTA optimization and troubleshooting using data collection and post-processing tools.
• Develop white papers, technical memos, and training documents.

Skills

Wireless communication systems

LLM tooling

Python + ML libraries

ML Ops / AI Ops

Prompt engineering

Education

Bachelor’s degree in engineering (ECE) with a senior focus in Wireless Communication Systems

Tools

Atoll

iBwave

QXDM

TEMS

Spirent

R&S

Agilent

PCtel

DATUM

Asset3G

Job description

Job Description:

Company:

Qualcomm India Private Limited

Job Area:

Engineering Group, Engineering Group > Systems Engineering

General Summary:

This lead engineering position provides an opportunity to drive 5G/5G-Adv/LTE systems performance characterization/optimization, over the air (OTA) field trials of new features/finetuning, support new technologies discussions/demos spanning NTN, 6G, ISAC among others, and work closely with leading wireless operators, infrastructure vendors and R&D Teams on cutting-edge wireless technologies. Responsibilities also include working with network equipment providers to resolve any inter-operability issues, evaluating 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 shall have an academic background in digital communications, wireless and computer communication networks. Candidate should also have expertise in machine learning to support extraction of key value from logs/data collected. You will be part or lead the processes from data collection, filtering, and preprocessing, to training the models and deploying them to production and use. Therefore, the ideal candidate will be enthusiastic about artificial intelligence and stay up to date with the latest developments in the field.

The successful candidate should have the ability to understand detailed technical designs, implementations and issues related to 6G/5G-Adv/5G/LTE technologies. The candidate should be able to provide onsite support to mobile operators worldwide participating in and driving roll out and enhancements of 6G/5G-Adv/5G/LTE networks for optimal system performance and user experience for key/evolving applications.

We are looking for highly motivated individuals who are excited by the prospect of working on cutting-edge 6G/5GAdv/5G technologies/evolutions, AI/ML algorithms, have high willingness to learn new things, and the ability to innovate. Candidate needs to have excellent communication, presentation, and customer management skills. Candidate needs to have ability to coordinate and work across multiple Qualcomm teams and customers. Also needs to be flexible to travel (up to 30% both domestic and international).

Minimum Qualifications:

• Bachelor's degree in Engineering, Information Systems, Computer Science, or related field and 6+ years of Systems Engineering or related work experience.

OR

Master's degree in Engineering, Information Systems, Computer Science, or related field and 5+ years of Systems Engineering or related work experience.

OR

PhD in Engineering, Information Systems, Computer Science, or related field and 4+ years of Systems Engineering or related work experience.

Responsibilities:

• Lead interactions with wireless Operators to investigate and characterize the performance of 6G/5GAdv/5G/LTE networks in various aspects ranging from satellite networks, core/transport networks, air interface, NTN - TN mobility aspects, to devices and applications.
• Lead and contribute to projects in advanced topics such as ISAC, NTN, ORAN/vRAN, private networks, fixed wireless access, small cells etc.
• Handling and guiding large performance data analysis for logs/traces collected across key network elements and probes deployed in 6G/5G-Adv/5G/LTE networks.
• 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.
• 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.
• Support development of forward-looking solutions to address network operator growth and expansion plans covering all network entities including 6G/ISAC/NTN trials, fine-tuning features, rollout, and commercialization.
• Develop white papers, conference contributions, technical memos, new technology training documents, and detailed technical presentations.

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.
• Use data analytics and machine learning techniques for new services enhancement and development.

focus area: 6G/5G-Adv/5G/LTE/Wi-Fi 8 communication networks.

• Identifying and understanding the objectives, followed by selection and model development that helps to achieve them, along with the metrics to track their progress.
• Verifying data quality, and/or ensuring it via data cleaning
• Training models, analyzing the errors of the model, and designing strategies to overcome them.
• Cloud ML model architecture.

Wireless Networks/Technology Skills:

• In depth understanding and hands-on experience on Cellular (5G NR, 5G-Adv, and LTE) PHY/MAC and upper layers.
• Deep expertise of 5G and LTE Networks’ performance assessment & optimization on major RAN infra- vendors.
• Excellent knowledge of 3GPP protocol standards, design, development, integration and verification, call processing of cellular (6G/5G-Adv/5G/LTE) systems.
• Expertise in mobile networks architecture, design, planning, measurement, and optimization tools such as Atoll, Asset3G, iBwave, QXDM, DATUM, Accuver, TEMS, Ethereal, Actix, Agilent, R&S, Spirent, PCtel.
• Academic coursework in following areas: Digital Communications, Mobile Communications (including wireless propagation, CDMA, OFDM principles), Satellite Networks, Communication Theory/Systems, Error Correcting Codes, Computer networks (TCP/IP), Probability theory & Random processes, Linear Algebra, DSP, MIMO techniques, and Wireless Networks.
• Experience with data services including knowledge of protocols such as RTP/TCP/UDP/IP is required.
• Academic projects and research in digital communications, satellite, wireless or computer networks including technical conference paper submissions are considered a strong plus.
• Proficiency with Python and basic libraries for machine learning.

Machine Learning And Programming Skills:

• Hands-on experience with LLM tools and agents (e.g., Claude, Cline) - Understanding of ML Ops / AI Ops (model lifecycle, deployment, monitoring) - Proficiency in Python and ML libraries (NumPy, Pandas, PyTorch or TensorFlow).
• Experience with prompt engineering and LLM-based workflows.
• Familiarity with APIs, automation, and tool integration.
• Understanding of data pipelines and experimentation workflows.
• Strong analytical and problem-solving capabilities.

Minimum Qualifications:

• Bachelor’s degree in engineering (ECE) with a senior focus in Wireless Communication Systems.
• 15+ years of deep technical depth in 3GPP technology and End to End 5G-Adv/5G/4Gnetworks performance analysis/optimization.
• Ability to lead and a team player with the ability to effectively work with multi-functional engineering teams.
• Excellent written, verbal communication and presentation skills.
• Excellent customer management skills.
• Flexibility to travel (up to 30%) both domestic and internationally.

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