EPC Tech Support Specialist

Short Description

Job Description

Your duties and responsibilities include but not limited to:

• Responsible for network infrastructure management, including monitoring, configuration, and maintenance to ensure service level.
• Manage day to day Packet Core Network operations duties.
• Handles on-call responsibilities for incidents on 24x7 rotation basis.
• Work on emergency network issues.
• Monitoring and resolving alerts and trouble tickets to deliver an exceptional customer experience service.
• Enhance the reliability of the network through proactive performance, operational data analysis and the adoption of service improvement suggestions.
• Packet core network configuration review/modification/change execution.
• End to end service impact analysis before and after any modification/change.
• End to end node performance analysis before and after any modification/change.
• Ensure other supportive CTASK owner are in Synch and perform necessary check before and after any modification/change.
• Work as Subject Matter Expert to drive the implementation and Testing (deployment, integration, testing, troubleshooting) for wireless data core platforms, including but not limited to the following:
  • Evolved Packet Core (EPC),MME, PGW, SGW, ePDG, AAA, DRA, PCRF
  • 5G Standalone Core (5GC): AMF, SMF, UPF, PCF
  • Cloud: OpenStack, Kubernetes, docker
• Co-ordinate with Packet core design, change management and NoC before and after any modification and change.
• Co-ordinate with nodes vendor for troubleshooting, standby support and RMA.
• Handling and resolution of stakeholder generated or NoC generated INC ticket withing SLA.
• Perform assessment for vendor planned activity CTASK and approval.
• Troubleshoot the logged faults and isolate the cause to minimize impacts.
• Support the implementation of new equipment, ATP and UAT.
• Help to develop and refine best practice, defines documents, and enforces system standards- including lifecycle management.
• Conduct LAB tests to check viability of proposed engineering solutions.
• Updates job knowledge by participating in educational opportunities, team meeting, attend vendor provided webinar.
• Responsible for schedule and on demand MW change support.
• Work closely with multiple support teams during change deployments and other operational activities.
• Maintain technical documentations to align with changes and updates.
• Create the necessary documentation on systems and processes.
• Provide technical support to business and development team.
• Accomplishes organization mission by completing related results as needed.

Qualifications

• Minimum of 6 to 10 years of relevant technical hands-on working experience on Packet Core network.
• Must have Packet Core working experience (Very Important!!).
• Must have working experience on MME/SPGW/PCRF/DRA/DNS (Very Important!!).
• Must have knowledge on Kubernetes, openstack and different cloud solutions.
• Knowledge on Routing, F5 is an asset.
• Hands-on experience on Nokia Core preferred.
• Hands-on experience with monitoring, network diagnostic and network analytics tools.
• Knowledge on 3G, 4G,5G, LTE, VoWIFI, VoLTE, IMS network nodes and call flow is preferred.
• Knowledge on SMS, MMS and other VAS nodes and call flow is preferred.
• Knowledge & experience of Linux system management.
• Knowledge & experience of cloud-based infrastructure deployment and maintenance.
• Must have excellent network troubleshooting, problem solving and root cause analysis skills.
• Ability to provide in-depth analysis of network traffic, and path for redundancy.
• Good understanding of operational support systems.
• Should have excellent documentation, presentation, and technical writing skill.