Oxio

4 weeks ago

IMS Core Engineer

✓ Verified Job

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

Source: Company careers pageValidated by: Fursa AI

Last checked: 13 hours agoStatus: Live

Job Summary

Join the mobile core team as an IMS/VoLTE Integration Engineer responsible for configuring and integrating IMS nodes, monitoring performance, and driving improvements across 2.5G–4G networks. You’ll troubleshoot with Wireshark, manage incidents, and implement end-to-end IMS services while coordinating with internal and external stakeholders.

Location: United States

Workplace: Remote

Employment Type: Full time

Job Function: Software Engineering

Key Responsibilities

•Manage networks and nodes within the IMS domain for 2.5G, 3G & 4G networks (SIP, H323, IMS/IMT, VoLTE, VoWiFi)
•Using dashboards (and building new ones) to clearly and quickly discover issues and patterns
•Accountable and responsible to follow the communications procedures in place when handling an incident, with internal and external stakeholders
•Maintenance, troubleshooting, security audits, and emergency response
•Undertake fault handling and corrective actions on node, service and infrastructure level

Key Requirements

•At least 10 years’ experience in the core network domain with mobile networks.
•BSc degree in Telecommunication or Computer Science (post-graduate studies are a bonus)
•Working knowledge of telecom networks like 2G, 2.5G, 3G and LTE (MME, SGW, PGW)
•Great conceptual understanding of IMS evolution, IMS subsystems, functionalities and call flows
•Experience with SS7, ISUP, BICC, SIP, H248, Diameter signaling; IMS-based services configuration

Experience:10+ yearsTelecomMobile coreIMSVoLTE

Education:Bachelor's

Skills:SIPH323VoLTEVoWiFiWiresharkLinuxMMELTEIMS

Languages:English

Tech Stack:WiresharkLinuxSIPH323VoLTEVoWiFiMMELTEDiameterS-CSCFI-CSCFP-CSCFHSS

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: 3.2

Website LinkedIn Glassdoor

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Oxio

4 weeks ago

IMS Core Engineer

✓ Verified Job

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

Source: Company careers pageValidated by: Fursa AI

Last checked: 13 hours agoStatus: Live

Job Summary

Location: United States

Workplace: Remote

Employment Type: Full time

Job Function: Software Engineering

Key Responsibilities

•Manage networks and nodes within the IMS domain for 2.5G, 3G & 4G networks (SIP, H323, IMS/IMT, VoLTE, VoWiFi)
•Using dashboards (and building new ones) to clearly and quickly discover issues and patterns
•Accountable and responsible to follow the communications procedures in place when handling an incident, with internal and external stakeholders
•Maintenance, troubleshooting, security audits, and emergency response
•Undertake fault handling and corrective actions on node, service and infrastructure level

Key Requirements

•At least 10 years’ experience in the core network domain with mobile networks.
•BSc degree in Telecommunication or Computer Science (post-graduate studies are a bonus)
•Working knowledge of telecom networks like 2G, 2.5G, 3G and LTE (MME, SGW, PGW)
•Great conceptual understanding of IMS evolution, IMS subsystems, functionalities and call flows
•Experience with SS7, ISUP, BICC, SIP, H248, Diameter signaling; IMS-based services configuration

Experience:10+ yearsTelecomMobile coreIMSVoLTE

Education:Bachelor's

Skills:SIPH323VoLTEVoWiFiWiresharkLinuxMMELTEIMS

Languages:English

Tech Stack:WiresharkLinuxSIPH323VoLTEVoWiFiMMELTEDiameterS-CSCFI-CSCFP-CSCFHSS

Company Brief

Oxio

Industry: Telecommunications

Company Size: Medium (51 to 250 employees)

Growth: Growth Stage Startup

Funding: Series B

Headquarters: New York, United States

Founded: 2018

Glassdoor: 3.2

Website LinkedIn Glassdoor