Senior Engineer, System Performance

Location: Bangalore, Karnataka Department: Engineering Posted: 8/26/2025 Location Name: IN1001 / IN66 (IN - Bangalore 1316)

Wage: Depends on Experience Annual Position Type: Salary Full Time Shift: General

Join our team and help shape the future of connectivity indoors and outdoors. Together, let's push the boundaries of technology and advance sustainable networks worldwide.

How You'll Help Us Connect The World
We are seeking a
Senior RAN System Performance Engineer
to join our System Performance team in
Bangalore, India.
In this role, you will help optimize the performance and customer experience of our 4G LTE and 5G NR small cell products. You'll contribute to Live Air Verification (LAV) activities, evaluate software and hardware releases in real-world environments, and conduct deep-dive analysis to drive continuous performance improvements.

You Will Make An Impact By

• Developing and executing LAV test strategies and plans for validating new 4G/5G software and hardware releases.
• Performing root cause analysis (RCA) and debugging complex issues using deep-dive analysis of UE (QXDM), eNB/gNB, Wireshark, and core network logs.
• Benchmarking Key Performance Indicators (KPIs) and correlating to RF parameters and system metrics.
• Validating and optimizing new algorithms and features in close collaboration with R&D teams.
• Analyzing RF behavior (cell reselection, handovers, power control, link adaptation, interference mitigation etc.) across small cell and macro environments.
• Driving operational measurements and post-processing of large-scale field data to identify system-level improvements.
• Providing feedback on product features and documentation to cross-functional teams.
• Influencing continuous improvement of LAV processes and tools to ensure carrier-grade product delivery.

Required Qualifications For Consideration

• Bachelor's degree in Electrical or Computer Engineering (Master's preferred).
• 10+ years of experience in RAN system performance, with strong subject matter expertise in 4G LTE, VoLTE and 5G NR (NSA/SA).
• Deep understanding of 3GPP standards and end-to-end wireless system design.
• Experience working through system performance and product development life cycle of LTE eNB, 5G gNB and/or UE products in R&D engineering teams at infrastructure / chipset product development companies is required.
• End-to-end and in-depth knowledge of PHY, MAC, RLC, PDCP, RRC and NAS layer protocols
• Expert-level end-to-end analysis capabilities of UE side logs, eNB and gNB logs, Wireshark logs and core network logs.
• Proven track record for testing, deep dive troubleshooting and quickly getting to RCA of highly complex end-to-end 4G and 5G issues
• Expertise with defining, measuring Key Performance Indicators (KPIs) and correlation to other metrics and logs to debug and resolve real world performance issues
• Deep technical expertise and understanding of the interaction between small cell and macro cellular networks
• Hands on experience and expertise with wireless data collection tools like QXDM, Wireshark, XCAL, lab equipment such as spectrum analyzer and post processing tools like QCAT, XCAP etc.
• Experience with automation and scripting languages like Perl and Python.
• Expertise in IP and related technologies including TCP, IPv4, IPv6, IPSEC, Routing protocols, Networking protocols, Security Protocols, SIP.
• Effective communication skills and ability to collaborate in agile, cross-functional environments.

Why ANDREW?
Explore exciting career opportunities at ANDREW, part of the Amphenol family. With a legacy of over 85 years in wireless innovation, we empower mobile operators and enterprises with cutting-edge solutions.

ANDREW, an Amphenol company, is proud of our reputation as an excellent employer. Our focus is to provide the highest level of support and responsiveness to both our employees and our customers, the world's largest technology companies. ANDREW offers the opportunity for career growth within a global organization. We believe that our company is unique in that every employee, regardless of his or her position can positively impact the business.
ANDREW is an "Equal Opportunity Employer" - Minority/Female/Disabled/Veteran/Sexual Orientation/Gender Identity/National Origin
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