5G Principal Engineer

Essential Functions:

• Perform testing of multi-featured, fixed wireless access, home internet gateway products to include 5G and 4G/LTE functionalities.

• Thoroughly document software issues discovered, including appropriate technical details, logs, etc.

• Review product requirements, functional specifications, standards documents, and customer specifications to design test strategy for software validation

• Create test plans and test cases for new products and features, including incremental features based on customer requirements or industry requirements

• Assist with product qualification and post sales issues that could impact the business

• Support customers onsite during issues investigation in conjunction with R&D to determine root cause

• Simulate customer reported issues or new test environments in labs

• Communicate regularly with key customers to manage expectations regarding hardware, software, and other project deliverables

• Create test reports, dashboards, and status reports for management presentation

• Contribute to product design discussions on overall software feature/interop compatibility across different platforms

Required Education and Experience:

• Bachelor's degree in relevant discipline (electrical/computer engineering, computer science)

• Minimum 5 years of relevant work experience (or equivalent) with telecommunications products and technologies

• Knowledge of 5G and 4G/LTE protocols and system architectures

• Experience in testing 5G and 4G/LTE CPE devices (preferably Fixed Wireless Access router/gateways)

• Understanding of various mobile scenarios and use cases such as ENDC, CA, NSA, SA, VoLTE, handovers, etc.

• Ability to translate customers' 4G/LTE/5G requirements into test cases and test plans and execute those tests in a lab environment

• Familiarity with 5G/4G/LTE test tools such as Amarisoft Callbox

• Familiarity with traffic generators such as Spirent Test Center, IxChariot, iPerf, etc.

• Familiarity with general test tools such as Wireshark, configuration editors, etc.

• Familiarity with test management and collaboration tools including JIRA, Confluence, etc.

• Knowledge of IP networking protocols (IPv4, IPv6, SNMP, STP, DHCP, TFTP, FTP, TCP, UDP)

• Knowledge of Wi-Fi 4, 5, 6, and 6E including wireless encryption (WPA2/WPA3, WPA, WEP), WPS, DFS, and WMM

• Knowledge of embedded operating systems (OpenWRT, Linux, etc.)

• Debugging skills with telecommunications CPE devices such as home router/gateways

• Strong communication, collaboration, and team working skills

• Some business travel may be required, both domestic and international

Preferred Experience:

• Minimum 10 years of relevant work experience (or equivalent) with telecommunications products and technologies

• Knowledge of DOCSIS and fiber specifications, protocols, test procedures, and debugging

• Knowledge of Packet Cable 1.5 and 2.0 specifications, protocols, test procedures, and debugging

• Knowledge of VoIP system architectures and network elements

• Familiarity with VoIP test equipment such as Asterisk PBX, Ameritec, etc.

• Knowledge of Home Networking Protocols (HNAP, uPNP, RIPv2, TR69, MOCA, etc.)

• Knowledge of WiFi testing to include interoperability, performance, RvR, and stability

• Familiarity with Agile (Scrum) Development Methodology

• Experience in Python, TCL, shell scripting

• Experience working with large telecommunications service providers

• Cisco CCNA certification