Remote Cellular RAN & Device Test Engineer

CIS TECHNOLOGIES INC; United States; Remote; USD 120.000 - 160.000; Vollzeit

Zusammenfassung

CIS Technologies Inc. is seeking a Cellular Test Engineer (RAN / Device Testing) for a remote, 24-month assignment. You will plan, execute, and validate tests for 5G NR and 4G LTE devices, analyzing protocol logs across PHY to NAS layers and refining test benches.

Responsibilities include field testing, automation development, and collaboration with carrier teams to ensure fixes meet 3GPP standards. Strong Python, log analysis, and RF test experience are essential.

Qualifikationen

• 3–6+ years hands-on experience in cellular system testing, mobile protocol verification, or RAN integration.
• Strong knowledge of 3GPP specifications (5G NR Release 15/16/17, LTE Advanced Pro).
• Comprehensive understanding of RAN architecture (gNB, eNB, CU/DU split, O-RAN concepts).
• Experience with RF test sets, network emulators, and lab benches.
• Proficiency in Python for test automation and log parsing.

Aufgaben

• Test Execution & Validation: plan, develop, and execute tests for 5G NR and 4G LTE devices.
• Protocol & RAN Analysis: analyze protocol logs; troubleshoot call drops and handovers.
• Lab & Test Bench Management: set up RF test benches and channel emulators.
• Field & Drive Testing: plan and perform field tests and validate KPIs.
• Test Automation: build automated scripts and CI/CD pipelines for regression testing.
• Cross-Functional Collaboration: work with baseband hardware, firmware, and software teams.
• Standards Compliance: apply 3GPP standards to validation strategies.

Kenntnisse

5G NR testing

RAN concepts

Python automation

log analysis

Ausbildung

Bachelor's or Master's in Computer/Electrical Engineering

Tools

Keysight UXM

CMX500/CMW500

Anritsu MT8821C

Spirent

QXDM/QCAT

Wireshark

Jobbeschreibung

CIS Technologies Inc. is seeking a Cellular Test Engineer (RAN / Device Testing) for a remote, 24-month assignment. You will plan, execute, and validate tests for 5G NR and 4G LTE devices, analyzing protocol logs across PHY to NAS layers and refining test benches.

Responsibilities include field testing, automation development, and collaboration with carrier teams to ensure fixes meet 3GPP standards. Strong Python, log analysis, and RF test experience are essential.