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Job Description
View More Jobs Mission Critical Communication Solutions Test Engineer United States (Onsite) As a Mission Critical Communication Solutions Test Engineer, you will play a vital role in ensuring the performance, functionality, and conformance of our mission-critical ecosystem. Your primary focus will be on validating and verifying the UE and gNB systems, as well as the MCC mission communication center (OAM). With hands-on experience in 3GPP standards and test tools, you will execute comprehensive tests, analyze results, and collaborate with development teams to enhance our products. Your responsibilities Plan, execute, and document test cases for 5G NR UE and gNB systems in SA modes. Perform protocol, performance, and functional testing based on 3GPP TS 38.xxx standards. Validate Layer 1 (PHY), Layer 2 (MAC/RLC/PDCP), and Layer 3 (RRC/NGAP) signaling and procedures. Utilize test tools such as Keysight UXM, Rohde & Schwarz, Anritsu, Viavi, or Spirent for test scenarios. Analyze log files from UE and gNB using tools like QXDM, QCAT, Wireshark, and vendor-specific logs. Develop and maintain test automation scripts in Python or similar languages. Collaborate with development teams to triage and resolve defects efficiently. Participate in Interoperability Testing (IoT) with network equipment vendors and UE chipsets. Support field and lab testing, including mobility scenarios, throughput, and end-to-end data testing. Your skills and experience Bachelor's or Master's in Telecommunications, Electrical Engineering, Computer Science, or a related field. 3+ years of experience in testing 4G/5G systems, with a focus on UE and gNB. Strong understanding of 3GPP 5G NR specs (38.3xx, 38.4xx, 38.5xx). Proficiency in log analysis tools like QXDM, QCAT, TEMS, and Wireshark. Hands-on experience with commercial 5G test platforms (Keysight, R&S, Anritsu, Viavi). Scripting skills in Python, Perl, or Bash. Familiarity with Linux environments and basic shell commands. Solid knowledge of IP networking, TCP/UDP, and routing. Experience in testing advanced 5G features is preferred. Exposure to test automation frameworks and virtualization technologies is an asset. Apply Now Job Info Job Category Applied R D Posting Date 06/22/2026 Degree Level Bachelor's degree Job Schedule Full time Job Type Experienced Job Identification 37753 Will
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