Network Engineer / Specialist
About Candidate
Introduction:
The candidate has over 20 years of experience in the telecommunications industry, with a specialization in mobile network core and access configuration, troubleshooting, and optimization. Their expertise spans multiple technologies, including GSM, 3G UMTS, 4G LTE, and various core network elements (MSC, BSC, RNC, SGSN, GGSN, STP) from leading vendors like Ericsson, Huawei, and Cisco. They have extensive experience in network planning, operations, and recovery, with a deep understanding of IP protocols (Sigtran, VoIP, SIP). Over their career, they have worked across various roles in technical support, network recovery, and optimization for companies like Ericsson and Vodafone Romania. Their responsibilities have included managing the voice core network, ensuring the continuity of telecom services, leading troubleshooting efforts, and driving the implementation of new technologies and services. They also have strong experience in ITIL-based managed services and vendor management.
Responsibilities:
- Perform configuration and troubleshooting for mobile network core (MSC, STP, HLR).
- Troubleshoot and maintain IMS and voice core networks.
- Lead a back-office team in troubleshooting voice and signaling networks.
- Participate in the recovery and business continuity planning for various systems (MSC, BSC, RNC).
- Collaborate with technical departments for network recovery and solution implementation.
- Oversee integration and acceptance tests for mobile network elements.
- Implement HSDPA technology by configuring RNC/HLR/SGSN.
- Provide technical support for the 3G UMTS network, including MSC, RNC, and SGSN configurations.
- Develop and update procedures for network operation and maintenance.
- Coordinate with vendors to ensure SLAs are met and service issues are addressed.
- Conduct regular preventive maintenance for mobile network systems.
- Troubleshoot and resolve network faults, contributing to uptime and service continuity.
- Ensure the proper configuration and integration of new network elements.
- Implement new mobile network services based on company requirements.
- Facilitate vendor communication to manage technical issues and services.
- Support the implementation of new network projects and services.
- Monitor and manage network performance using troubleshooting tools.
- Lead first-line support for GSM network malfunctions and network changes.
- Participate in software development for network protocol analyzers.
- Provide ongoing training and mentorship to junior engineers and teams.