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Engineer, RAN Technical Services

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Date: Jan 20, 2023

Location: Keller, TX, US, 76248

Company: Corning

Requisition Number: 58259


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.


Job Purpose

This position is responsible for providing Advanced Technical Support (ATS), field support, customer service, analysis of call and error logs and other configuration and operating information using Wireless technology (5G NR, Sub-6, LTE, or UMTS protocol) with a focus on small cells, and indoor RF and IP networks. This position requires a theoretical understanding of computer and/or engineering principles, which are obtained through a master’s degree level of education, or equivalent, in electrical engineering, computer science, information systems or another closely related degree program.


Key Responsibilities

• Provide RAN Technical Support to Tier-1 NA wireless operators, partners, and enterprise customers

• Provides direct deployment, integration and problem resolution support to various Tier-1 customers, cross functions, and field resources

• Analyze mobile network performance for voice calls and data streaming applications using KPIs (Key Performance Indicators) for call setup and call handling

• Perform wireless testing and debugging using QxDM (Qualcomm Extensible Diagnostic Monitoring) and TEMS (TEst Mobile Systems)

• Analyze large, detailed 5G, LTE and UMTS call setup debug logs and diagnostic steps using scripts and other analysis tools to identify failed calls and other impairments. Requires in-depth knowledge of wireless networks as well as familiarity with scripting tools and their use in data analysis

• Recreate networks and operations and validating performance in a controlled offline environment and perform software release qualification testing and product acceptance testing

• Lead and execute interoperability testing and validating new software and hardware versions with vendors and carriers at our home office, customer labs and live sites

• Resolve software and technical issues by closely working with Development and Quality Assurance (QA) Engineering department

• Utilizing and upgrading IP (Internet Protocol) networking equipment such as routers, switches, and wireless access points

• Prepare and review technical documentation, MOPs, Root Cause Analysis readouts and writeups

• Making recommendations for product enhancements based on direct observations and customer feedback

• Using Linux and Unix operating systems and commands to run automated scripts and to analyze error logs and KPI data

• Drives issues to closure with strong focus on customer satisfaction and acceptance


Minimum Requirements

• A Bachelor’s in Engineering degree in Computer Science, Electronics and Telecommunications, Electrical or related field

• 5+ years of experience in mobile infrastructure technology deployment including systems architecture, deployment, troubleshooting and network operations

• Experience with field deployments, technology acceptance processes, and support services

• Strong Knowledge and experience with 4G/5G wireless technologies and network architecture

• Strong technical competencies in mobile voice and packet data integration, RF engineering, IP networks and system performance

• Detailed knowledge of common telecommunication protocols such as SIP, TR-069, SSL/TLS, LDAP, Radius, SOAP/XML

• Detailed knowledge of IP Protocols including IPv4, IPv6, IPSEC, routing protocols and network protocols

• Familiarity of 3GPP and 3GPP2 standards and best practices

• Must be a strong problem solver, self-motivated, organized, and analytical

• Passionate about improving our customers’ experience and relationship

• Ability to work effectively with cross-functional teams, including Engineering, New Product Introduction (NPI) and field


Desired/Preferred Skill

• Master’s with 3+ years’ experience in the related technology Engineer, RAN Technical Services

• Expertise with Customer Service Ticketing Systems (i.e., Sales Force, CRM) or bug tracking (i.e., JIRA)

• Knowledge of Python or equivalent & operating system like LINUX/UNIX and commands to run automated scripts and to analyze error logs and KPI data

• Knowledge in test and measurement tools like QXDM (Qualcomm Extensible Diagnostic Monitoring), TEMS (TEst Mobile Systems) or equivalent

• Familiarity with Virtualization, Cloud, and Kubernetes is a plus

• Experience and knowledge of deploying Small Cells or indoor wireless solutions such DAS


This position does not support immigration sponsorship.


We prohibit discrimination on the basis of race, color, gender, age, religion, national origin, sexual orientation, gender identity or expression, disability, veteran status or any other legally protected status.


We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

Nearest Major Market: Dallas
Nearest Secondary Market: Fort Worth