Protocol Test Engineer

Job Title: Protocol Test Engineer
Location: Onsite in Atlanta, GA
Type: Fulltime

Job Description
We are seeking an experienced Cutover – Protocol Test Engineer to join our team in Seattle / Atlanta. The ideal candidate will have strong expertise in wireless and wireline technologies, protocol testing, network architecture, and troubleshooting across 3G, 4G, and 5G domains. This role requires hands-on experience in protocol analysis, test planning, network validation, and collaboration with development teams to enhance user experience and ensure seamless network operations.

Qualifications & Responsibilities
• SME in wireless and Wireline technologies.
• Expertise on 3G,4G,5G domains and its allied solutions
• Expertise in the 3GPP standards and architecture and procedures.
• Expertise on the NAS, IMS, SIP, VoIP protocols and operations.
• Experience in various interface log analysis and cross checking with configs from different node like AUSF, AMF, UPF, SMF, UDM, NRF, NEF etc. Understanding of Call flow and protocols, identify any issues per standards.
• Investigating and analysing the interconnectivity with other LTE network nodes such as IMS-P-CSCF, MSP and charging systems through different network interfaces such as: Gx, Rx, Sp, Sd, Gy and Sy.
• Knowledge on the OSS-BSS is a plus
• Knowledge on Radius and Diameter protocols
• Understanding on CUPS architecture and troubleshooting expertise.
• Hands on experience with working on tracing tools like IRIS G-10, Radcomm, Wireshark etc.
• Write Test plan and test cases for any device under Test.
• Work closely with development team and other stake holders to provide the solution.
• Execution of enhancements/feature functions to validate User Experience improvements/goals.
• Bachelors or Master’s Degree in Computer Science, Computer Engineering or related technical field desired
• Python and Prompt Engineering.
• At least 6 years of experience in the relevant role
• Supporting, prioritizing, planning and coordinating testing activities and maintenance windows. Good communication skills are mandatory.
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