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Staff Engineer - System Performance Optimization

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Date: Nov 16, 2022

Location: Gurgaon, HR, IN, 122002

Company: Corning

Requisition Number: 58213

 

Corning is vital to progress – in the industries we help shape and in the world we share.

We invent life-changing technologies using materials science. Our scientific and manufacturing expertise, boundless curiosity, and commitment to purposeful invention place us at the center of the way the world interacts, works, learns, and lives.

Our sustained investment in research, development, and invention means we’re always ready to solve the toughest challenges alongside our customers. 



Our Optical Communications segment has recently evolved from being a manufacturer of optical fiber and cable, hardware and equipment to being a comprehensive provider of industry-leading optical solutions across the broader communications industry.This segment is classified into two main product groupings – carrier network and enterprise network. The carrier network product group consists primarily of products and solutions for optical-based communications infrastructure for services such as video, data and voice communications. The enterprise network product group consists primarily of optical-based communication networks sold to businesses, governments and individuals for their own use.

Corning Wireless Corning Wireless has cemented its place in the small-cell industry by being the preferred indoor 5G RAN vendor for Tier 1 operators in the US, providing highly scalable, secure, virtualized, open RAN and optical fiber connectivity based 5G small-cell networks in mmWave and Sub6 bands. Corning Wireless small-cells are an evolution of the SpiderCloud small-cell products and, after the acquisition of SpiderCloud Wireless, Corning Wireless has brought to market leading wireless access solutions and products comprising ORAN compliant ORUs, neutral host ORUs, vDU, vCU, Radio Nodes, Service Nodes, and SpiderNet EMS. The R&D team continues to innovate in the DAS space, continuing the legacy of the MobileAccess product family, bringing to the market innovative neutral host DAS solutions. Our cutting-edge mmWave indoor solution has won many awards in the industry for pioneering high capacity indoor 5G. Bearing testimony to the high quality and resilient SW/HW architectures of our products is the large installed base in world’s most demanding networks serving large sporting arenas, hospitals, airports, hotels, enterprises, and government establishments. Corning Wireless is taking it cutting-edge in-building solution and architecting for private enterprise networks. India Software Development Center Wireless Software Center of Excellence in Gurgaon, India, augments the existing R&D centers in California and Tel Aviv. Engineers at the India Development Center are working closely with the teams in the US and Israel for developing fully virtualized and cloud-managed innovative solutions for Public and Private 5G Enterprise Networks. Areas of competencies include System Design and Architecture, PHY/MAC/Scheduling and RRM/SON Algorithms, Layer 1, 2 & 3 Protocol SW Architecture and Implementation, Real Time Embedded SW and FW on x86 CPUs and FPGA, IP Networking and Cybersecurity, Cloud-native Virtualized SW development, DevOps, and System Performance Optimization. Corning Wireless takes immense pride in its work heritage and fosters a deeply technical yet collegial workplace culture with great work-life balance. Flexible/hybrid work arrangements are supported.  

 

Job Description

The Staff Engineer within the System Performance and Optimization team is responsible for characterization and optimization of Corning 5G/4G RAN system performance across key subsystems such as PHY, MAC, RRM, SON, etc. with a view to deliver predictable, stable, and high network performance.

 

Job Responsibilities

• Actively contribute to the creation of product and software requirement specifications in line with 3GPP and ORAN standards and customer-driven requirements with a focus on KPIs related to system performance

• Create performance focused test plans, automation test suites and testbeds for system testing – both in standalone and interoperability scenarios, and system performance characterization

• System performance characterization and validate product specifications by planning and executing test runs and simulations.

• Collect and process test metrics to identify and interpret system performance gaps •

Analyze test reports, identify gaps, and work closely with the SW development and system engineering teams to identify root causes and their resolution

• Replicate issues reported from the field, especially issues leading to system performance degradation

• Coordinate with Corning’s global engineering teams Technical Skills Required

 

Relevant Industry Experience

o 8-10 years of hands-on experience of 4G-LTE and 5G system performance testing

o Experience with cloud-based distributed infrastructure (RAAS) and tier-1 operators/OEMs will be a big plus o Good knowledge of 5G-NR/4G-LTE 3GPP specifications and protocols, including PHY, MAC, RLC, RRC, PDCP, SDAP layers

o Solid understanding on concepts such as DL/UL Scheduling, Power Control, Beamforming, RRC configuration, RRM, SON, MIMO, and mobility

o Exposure with test tools including Protocol Analyzers, XCAL/QXDM, Wireshark, Spectrum Generator and Analyzers, UE and Core Simulators

o Exposure to issues relating to Wireless System Performance, both in lab and field • Domain Skills o Strong knowledge of wireless systems, including ORAN-compliant 5G and 3GPP 4G/LTE infrastructure o Familiar with TCP/IP, vLAN, Virtualization, Cloud, and Kubernetes will be a plus • Test and Test Automation o Experience with test automation frameworks and customizations

o Decent knowledge of least one test scripting language, such as python

• SW/Product Dev. Process & Environment

o Well-versed in software and system testing best practices

o Experience of working in an agile product development environment (DevOps)

• Customer handling experience will also be a big plus Soft Skills Required

• Understands the dynamics of getting work done in a fast-paced product development environment

• Meets or exceeds expectations

• Proactive problem solver with attention to detail and methodical approach to software testing and performance engineering

• Driven, extremely result-oriented, and passionate about delivering high quality products

• Microsoft Office 365, Procore and Box Soft Skills Academics • At least a bachelor’s degree in CS, CE, EE or ECE