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OXIO · 1 day ago

Junior Mobile Core Support Engineer

Canada, NC

Full-time

Onsite

Entry Level

10+ years exp

OXIO is a dynamic telecom company looking for a Mobile Support Engineer to join their telecom team. The role involves monitoring, troubleshooting, and escalating core network issues, while also providing technical support and maintaining network performance.

Cloud Data ServicesInfrastructureTelecommunicationsWireless

Diversity & Inclusion

Responsibilities

Good understanding of Mobile Networks 2G/3G/4G/5G

Troubleshooting complex issues by analyzing end to end call traces in several protocols and interfaces (MAP, TCAP, RANAP, DIAMETER, SIP, GTP, GTPv2, S1AP, SGsAP,IuCS, IuPS, Gr, Gn/Gp, S6a, S11, S5/S8, Gm, Rx, Cx etc.)

Troubleshooting International Roaming issues (voice and data) reported by outbound subscribers

Working together with worldwide mobile operator engineers to make live tests and perform analysis to find the root cause

Creating on-demand dashboards to monitor specific metrics or to validate restoring of services after failures

Technical support to NOC engineers to analyze and solve issues

Liase with MNOs to represent the telecom team on the country

Responsive to L3 telecom incidents, NOC hotline calls and emails

Performs L3-level troubleshooting and resolves or escalates on telecom matters

Development of KPIs and other metrics to monitor key aspects in mobile network performance

Development of training material related to signalling / troubleshooting / best practices

Report and coordinate faults rectification with other operators and service providers

Ability to troubleshoot, document, and assess proper escalation channel and team or group

Qualification

Mobile Networks 2G/3G/4G/5GProtocol signalling analysisOSI modelTCP/IPWiresharkSS7 signalling troubleshootingGrafanaPrometheusElasticSearchPythonLinuxBashEnglish proficiencyCommunication skillsInterpersonal skills