Core Network Support Engineer – Fixed Data at Safaricom Kenya

Reporting to the Manager – Core Network Data Support, the responsibility of the Core Network Engineer – Fixed Data shall include but is not limited operation, maintenance, optimization, automation, transformation, implementation & support of Evolved Packet Core for Fixed Data (FixedLTE, 5G Fixed Wireless Access, FTTx Core).

Key Responsibilities

Key accountabilities and decision ownership:

• Responsible for implementation, Operation and Maintenance of EPC network elements: SGSN/MME, GGSN/PGW/SGW, PCRF, DNS, EPSN.
•  Integration of 4G, 5G RAN to the core network.
• Integration to Billing, routers, switches, CGNAT, Firewalls, DNS, etc
• Implementation and support of new products: FixedLTE, Fixed 5G Wireless, QOS, Rating groups, LTEoMPLS, etc
• Integration of FTTx Core to EPC: Broadband Network Gateways (BNG) for FTTx, Enterprise networks.
• Perform tracing and complex logs analysis for Packet Core Nodes.
• Exceptional troubleshooting skill is required to solve the customer issues without escalating to the vendor.
• Proactive maintenance and monitoring of key network and system KPIs
• Configuration management
• Perform BCP exercises and documentation as per BCP calendar.
• Develop predictive analysis to avert system faults/incidents.
• Fault/incident resolution within SLA
• Assists with the design process and assists in guidance with regards to practices, procedures, and techniques.
• Works with Business Agile teams and technology teams to determine if Core Network infrastructure and applications fit specification and technical requirements.
•  Tests and evaluates systems, subsystems, and components.
• Acts as a technical contact and liaison for outside vendors and/or customers.
• Troubleshoots and resolves complex Core network issues affecting customer experience.
• Designs and configures Core Network System.

QUALIFICATIONS

Must have technical / professional qualifications:

• Bachelor’s Degree or Equivalent Electrical Engineering, Computer Science, Information Systems or  related certification
• Generally requires 3-5 years related experience

Desired Qualifications:

• Hands-on knowledge in the following areas:
  • LTE and 5G NSA callflows
  • FTTH/GPON access/core
  • Intermediate to advanced Routing and switching of Cisco and/or Huawei IP networks.
• Practical (testing, troubleshooting) knowledge of the mentioned above technologies
• Knowledge and experience in using various test, packet capture and measurement equipment.
• Linux administration and networking.
• Added advantage: Knowledge of NetDevOps delivery pipeline for automation of network operations and management: Python, Ansible, Git, etc

Closing: 8th July 2022