Junior Mobile Core Support Engineer

Oxio
Canada, Mexico, United States
Workplace: RemoteFull timeFunction: Product ManagementExperience: 10+ yearsSkills: ["Communication","Interpersonal skills","Problem-solving"]

Seeking a hands-on Mobile Core Support Engineer to monitor, troubleshoot, and escalate real-time core network issues across 2G/3G/4G/5G. You’ll collaborate with telecom, core engineering, and NOC teams, build dashboards, and ensure KPI/SLA targets are met while supporting international roaming and live tests with global operators.

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FursaFursa
Oxio
Oxio
7 months ago

Junior Mobile Core Support Engineer

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 5 hours agoStatus: Live

Job Summary

Seeking a hands-on Mobile Core Support Engineer to monitor, troubleshoot, and escalate real-time core network issues across 2G/3G/4G/5G. You’ll collaborate with telecom, core engineering, and NOC teams, build dashboards, and ensure KPI/SLA targets are met while supporting international roaming and live tests with global operators.
Location: Canada, Mexico, United States
Workplace: Remote
Employment Type: Full time
Job Function: Product Management

Key Responsibilities

  • •Troubleshoot and resolve real-time core network issues; analyze end-to-end call traces across multiple protocols and interfaces.
  • •Create on-demand dashboards to monitor metrics and validate service restoration after failures.
  • •Provide technical support to NOC engineers and coordinate fault rectification with operators and service providers.
  • •Liaise with mobile network operators to represent the telecom team country-wide.
  • •Be responsive to L3 telecom incidents and contribute to KPI/metric development for mobile network performance.

Key Requirements

  • •10+ years experience in a telecom environment doing L3 support or similar roles.
  • •Proficiency in protocol signalling analysis and troubleshooting across 2G/3G/4G/VoLTE networks.
  • •Solid understanding of the OSI model and TCP/IP networking (IPv4/IPv6).
  • •Experience analyzing signalling traces with Wireshark.
  • •SS7 signalling network troubleshooting and experience with Grafana, Prometheus, ElasticSearch.
Experience:10+ yearsTelecomMobile networks
Skills:CommunicationInterpersonal skillsProblem-solving
Languages:English
Tech Stack:GrafanaPrometheusElasticsearchWiresharkPythonLinuxBashMAPTCAPRANAPDIAMETERSIPGTPS1APIuCSIuPSGrGnGpS6a

Company Brief

Oxio
OXIO provides a cloud-native Telecom-as-a-Service (TaaS) platform that enables brands and enterprises to embed and operate mobile connectivity, MVNO services, and data-driven telecom products via APIs and a programmable network.
Industry: Telecommunications
Company Size: Medium (51 to 250 employees)
Growth: Growth Stage Startup
Funding: Series B
Headquarters: New York, United States
Founded: 2018
Glassdoor
Glassdoor: 3.2
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