IMS Core Engineer

🕒 June 23

🇺🇸 United States – Remote

⏰ Full Time

🟠 Senior

🔴 Lead

👷🏻‍♀️ Engineer

👻 Ghost score 18%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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OXIO

WebsiteLinkedInAll Job Openings

51 - 200 employees

📡 Telecommunications

☁️ SaaS

💳 Fintech

Telecommunications • SaaS • Fintech

OXIO is a telecom company offering a cloud-native, programmable Telecom-as-a-Service platform that empowers businesses to launch and manage their own mobile networks. The company's platform, BrandVNO, enables the creation of custom mobile connectivity services without telecom expertise, allowing organizations to integrate these services seamlessly into their existing operations. OXIO provides tools for business intelligence, subscriber management, and personalized customer experiences, targeting retail, fintech, and various enterprise sectors. The company's API-first approach facilitates rapid innovation, cost reduction, and enhanced customer engagement across multiple markets.

📋 Description

• Analyze, prepare, implement and verify the configuration and integration of a node, network and/or system • Manage networks and nodes within the IMS domain for our 2.5G, 3G & 4G networks • Using dashboards to clearly and quickly discover issues and patterns • Follow the communications procedures in place when handling an incident • Maintenance, troubleshooting, security audits, and emergency response • Undertake fault handling and corrective actions on node, service and infrastructure level • Handle project activities, implementing / adapting (new) IMS E2E service functionalities, nodes, services • When needed, cover the 7x24 monitoring shift responsibilities • Wireshark tracing of critical infrastructure to debug issues • Provide input, implement and verify improvements in processes and work instructions • Verify and implement configuration changes • Work to identify and drive improvement

🎯 Requirements

• At least 10 years’ experience in the core network domain with a mobile networks • Holding a 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 • Great Conceptual understanding of IMS evolution and trends • Great knowledge of IMS network topology • Worked on different type of Core Nodes • Experience with SS7, ISUP, BICC, SIP, H248, Diameter signaling & protocols configuration change IMS • Operation and maintenance of IMS platforms for Alarms, faults/abnormal conditions handling • Configuration preparation & implementation for configuration changes requests for IMS nodes • Hands on with sniffers, Wireshark and testing tools in advanced mode • Hands on with Linux/Unix based systems • Understanding of 3GPP, ITU-T and ANSI standards • Understanding of roaming agreements and IR.21 • VoLTE Troubleshooting and call trace analysis • Strong writing and documentation skills • Adaptability and responding to change • Be able to work under pressure • Fluent in English (written and spoken) • Ready to work on morning/afternoon shifts • Good interaction with external customers and internal teams • 2+ years scripting experience (Python, Bash, etc.)

🏖️ Benefits

• OXIO is committed to fostering a diverse, equitable, and inclusive workplace where all employees feel valued and empowered. • We believe that diversity in all its forms drives innovation and creativity, and we strive to create an environment that reflects and celebrates the unique backgrounds, perspectives, and talents of our employees. • We do not discriminate against any employee or applicant for employment based on race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), national origin, age, disability, genetic information, veteran status, or any other characteristic protected by applicable federal, state, or local law. • We are dedicated to providing a work environment free from discrimination and harassment.