Must have at least 2 years of prior work experience in each of the followingbr 1.Performing protocol and RF conformance testing in the following systems CAT Carrier Acceptance Test, PCT Protocol Conformance Test, and RFCT Radio Frequency Conformance Test. 2.Using Layer 2 and Layer 3 protocols MAC, RLC, PDCP, RRC and NAS to root cause issues within the protocol stack. 3.Performing mobile device testing using LTE test simulators. 4.Using 4G cellular radio standards of RAN or Core Network to validate call flows between the device and the network. 5.Using 3GPP specifications including 36.521, 36.523, 36.101, 36.321, 36.332, 36.323 and 36.331 to verify that wireless devices conform to 3GPP standards. 6.Using log Analysis tools including QXDM and QCAT to monitor, log, and analyze device behavior. 7.Testing GCF or PTCRB to certify cellular mobile devices before market launch.br Position permits telecommuting. Position requires 10 travel, fully reimbursed by employer.br br Experience must be progressively responsible and postbaccalaureate.br br ADDENDUM Page 3, Section H, Item 10B Senior Systems Test Engineer, RF Engineer, Wireless Engineer, Software Test Engineer, Software Support Engineer, Wireless Test Case Development Engineer, Protocol Engineer, or related occupation

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