Sr Network EngineerContract Location: Redmond WASkill: 1g to 5g Journey foundationExperience: 10+ yearsStrong knowledge in LTE/UMTS/GPRS with basic IMS knowledge is desiredExperience with Wireless Data Core networks, Architecture, Protocols and InterfacesKnowledge of Policy and Charging elements within the packet core; PCEF, PCRF, Client, OFCS, OCSGood understanding of Wireless Operator’s end end NetworkExpertise in creating test plans for system level and feature level testingExperience with LTE core system interfaces and protocols such as S1 MME, S1 U, S6a, S11, S5/S8, Rx, NAS, S1 AP, RRC, GTPv2c, GTP U, SGs AP, Gn, Gx, Ga, Sy is desiredThe software developer will work as part of a DevOps team to design, build and unit test web-based applications for a collection of internal software systems7+ years of experience in building web applications using the MERN/MEAN stack:HTML5/CSS3React and Angular frameworksNode.js and other similar frameworksMongoDB