JR-202424047 Wireless Network Operations Engineer

Description
We are seeking an experienced Wireless Network Operations Specialist to join our dynamic team supporting the performance, operations, and optimization of wireless network systems in connection with OnStar services. This role requires a deep understanding of carrier wireless networks, backend systems, and their interactions, with a strong focus on troubleshooting, monitoring, and analysis of network performance as it pertains to OnStar's connected vehicle services.The ideal candidate will have extensive experience with mobile network technologies, including GSM, UMTS, and LTE, and a proven track record of resolving complex network issues. You will play a key role in collaborating with wireless carriers, internal teams, and external partners to ensure the seamless operation of our connected vehicle services. Additionally, the role includes the creation of new operational processes, developing performance metrics, and participating in the design and implementation of network enhancements to support OnStar systems in current and future regions.Responsibilities include, but are not limited to, the following:Provide Support for network connectivity or related network issues for user communityTroubleshoots, diagnoses, and resolves problems with our wireless carriersDefine and develop monitors to measure network activity and identifies possible network problemsFully understand document system work flows associated with back-end interactions between wireless service providers and GM backend systems, such as Inventory, lifecycle of OnStar In-vehicle services etc.Develop monitors and metrics to measure the carrier integration API performancesExecute network test plans, as needed, for new device launch and troubleshootingSolves engineering related problems and create alternative solution to ensure continued operationParticipate/Lead design/process related technical discussions with development teams and/or other stakeholdersCreate change requirements by describing high level business objectives, business benefits and functional requirementsParticipate in iterative co-validation sessions with IT counter parts (mostly developers and testers) as an SME to ensure that requirements have been correctly implementedWorks closely with wireless carriers and vendor partners to resolve performance issuesWork with other System Operations team members to develop and improve operational playbooksTechnically guide fellow team members and engineering teams on wireless network topicsTravel as requiredApply various visualization tools to extracted data in order to provide unique and insightful resultsPosition requires operational support per on-call scheduleHandle escalated tickets and issues from customers Required Skills and Experience:8+ years of relevant Cellular/Mobile, Engineering or IT work experience.5+ years of experience in Cellular/Mobile industry, related to GSM, UMTS and LTE technologiesFamiliarity with telecommunications technologies and protocols, including SS7, TCP, UDP, IP, SIP, VoIP, T1, Ethernet.Solid understanding of Cellular Core Network Architecture and Radio Access Network.Solid understanding of mobile cellular acquisition and call flows for Voice, SMS and Packet Data CallsSolid understanding of data communication principles, including OSI and TCP/IP protocol models, including network security for both wireless and telephony networksExperience in testing and debugging End-to-End 3GPP wireless device call performance in live networksFamiliarity with AAA, HA, GGSN, SGSN, HLR, PDSN, HSS, MME, S-GW, P-GWExperience in authoring Cellular network RFP requirements; evaluate and disseminate RFP responses toward selection of optimum vendorExperience in the management of Mobile Network Operator vendors.Experience in the management of Mobile Network Operator's to meet Service Level Performance requirements in Wireless Service Agreement.Exposure to carrier provisioning workflows and back end systemsExperience creating SQL monitors and metrices.Operational experience supporting cellular network components, creating or executing operational playbooks with venders to resolve customer issues or outagesKnowledgeable and comfortable with new technologies and business modelsHigh level of analytical ability where problems are complex and difficultExcellent verbal and written communication skill in English and Regional Language.
Additional Description
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