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Company:
OXIO
Category:
Engineering
Posted: June 27, 2024
The IMS/VoLTE Integration Engineer will analyze, prepare, implement and verify the configuration and integration of a node, network and/or system. Your scope of work could include the scenarios of introduction, upgrade expansion, functionality and capacity. Your work will in part form our customer legacy.
Key Responsibilities:- Manage networks and nodes within the IMS domain for our 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. Communication is both internal within our company and external to our third-party providers.
- Maintenance, troubleshooting, security audits, and emergency response
- Undertake fault handling and corrective actions on node, service and infrastructure level
- When needed, cover the 7x24 monitoring shift responsibilities (On call support, etc.)
- 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
- Holding a Bachelor's Degree in Telecommunication or Computer Science (post-graduate studies are a bonus) and 10+ years core telecommunications network experience
- Working knowledge of telecom networks like 2G, 2.5G , 3G and LTE (MME, SGW, PGW, and MME)
- Great Conceptual understanding of IMS evolution and trends - IMS Subsystems, functionalities and IMS services call flows.
- Great knowledge of IMS network topology (their various interfaces), Core IMS Parameters and Features
- Worked on different type of Core Nodes, CSFB, IMS (P-CSCF, I-CSCF, S-CSCF, MTAS, HSS, CUDB, MGCF, etc.)
- Experience with SS7, ISUP, BICC, SIP, H248, Diameter signaling & protocols configuration change IMS based services is necessary
- Operation and maintenance of IMS platforms for Alarms, faults/abnormal conditions handling, Analysis of traces, High troubleshooting skills, system backup/restore from backup files, Fault Diagnostics, Preventive Maintenance & upgrades of IMS nodes
- Configuration preparation & implementation for configuration changes requests for IMS nodes and Integration for all nodes (S-CSCF, I-CSCF, MTAS, HSS, CUDB, etc.) as well
- Hands on with sniffers, Wireshark and testing tools in advanced mode
- Hands on with Linux/Unix based systems (you can find your way around a linux shell)
- Understanding of 3GPP, ITU-T and ANSI standards
- Understanding of roaming agreements and IR.21 , including IREG testing
- VoLTE Troubleshooting and call trace analysis
- Strong writing and documentation skills are needed to develop reports
- Adaptability and responding to change
- Be able to work under pressure
- You are fluent in English (written and spoken)
- Ready to work on morning/afternoon shifts
- Good interaction with external customers and internal teams
- Competitive salary and stock option incentive program
- Company contribution towards comprehensive benefit packages
- Company sponsored team-lunches and company retreats
- International organization that enables you to work across boundaries, travel to different locations and enjoy the dynamics of a rapidly growing startup
- The opportunity to work with a talented and supportive team
•
Read the full job description and apply online on the recuiter's web-site
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