Packet Core Operations Engineer (SGSN/GGSN/DNS)
Location: Ireland, Dublin - Europe - EU Countries, Ireland
Rate: € 400 to € 500 (contract/temp.)
Packet Core Operations Engineer (SGSN/GGSN/DNS)
Main Duties & Responsibilities
• Admin & Maintenance of Packet Core infrastructure, specifically: SGSN, GGSN, CSG(Cisco), DNS and associated nodes.
• Identification and resolution of issues within the Packet Core networks both proactive and reactive
• Guide & drive initiatives on ensuring availability and security of Packet Core network
• Work closely with Core Networks, Design and Network Monitoring teams.
• Provide support and mentoring to less experienced team members.
• Liaise with Monitoring centre to efficiently resolve Packet Core network issues
• Work closely with relevant project teams for formal handover of fully tested solutions into operational service following the SIM process.
• Build and maintain awareness of commercial and product offerings to future proof team knowledge and network support.
• Will require flexibility to perform oncall duties for the Packet Core Team one week in four.
• Prepare and implement project and maintenance work to be done during night time maintenance windows.
Skills Requirements:
• 5 years+ experience in a GSM/GPRS Packet Switching Environments
• Experience of 3G, 2G, GPRS, EDGE and wireless Internet technology
• In depth knowledge of data protocols/functions (TCP/IP, Radius, MPLS, WLAN, SS7, GSM).
• Experience in APN and Interoperability with IN & VAS Systems).
• Experience in nodes: SGSN, GGSN, Charging Gateways(Cisco), and DNS with particular preference to Ericsson Core).