• Application Deadline:
• Position: Senior Engineer, Circuit Switch Core


• Job Type Full Time


• Qualification BA/BSc/HND


• Experience 4 years


• Location Lagos


• Job Field Engineering / Technical 
  

Job Summary

• Support all CS core network operation and maintenance activities to ensure required availability.


• Coordinate all CS core related troubleshooting, fault analysis and performance improvement measures - preventive maintenance.


• Coordinate all acceptance testing for all CS core node integrations.


• Oversee all CS core network audit and performance improvement/maintenance activities on the network.


• Ensure preventive measures are implemented to avert network downtime and service disruption on CS core network elements and links.


• Ensure all vendor activities are in line with all agreed SLAs & KPIs.

Principal Functions

• Maintain maximum availability and reliability of the entire CS core network


• Improve mean time to repair (MTTR) on all CS core network related faults and complaints


• Promptly implement all interconnects and service requests with partners


• Implement software upgrades, patch installations and expansion activities on all CS core network nodes


• Support NOC/Field operations teams in all CS core related escalations


• Review all new CS core related features and its impact on existing network


• Ensure regular network performance improvement via key KPI's such as LUSR, PSR, AUTHSR, CSR


• Regularly review B number analysis table across all CS core systems.


• Enforce strict conduct of Quarterly audit of all CS core node configurations and ensure implementation of all relevant recommendations


• Ensure all change requests are implemented timely and accurately by Vendor


• Carry out quarterly backup and restore tests on all CS core network elements.


• Continuously review all CS core operations frameworks, make recommendations for improvement and implement approved initiatives to ensure enhanced network performance.


• Recommend and implement strict measures to control fraudulent high usage activities of illegal inbound/outbound roamers on the network.


• Integration, daily operations and maintenance on MSC/ HSS/ MGW/ STP/ SPS/ SBC/ ITSC/ U2020/other CS core nodes.


• Ensure proper documentation of operations on all CS core network systems


• Maintain snag/fault lists and follow up with vendor on clearance.


• Carry out all integrations and implementations on CS core nodes.


• Analyse performance reports and proactively resolve core network challenges.


• Supervise the implementation of software upgrades; file system upgrades; and hardware replacement on core network.


• Specify and review critical CS core performance measurement counters.


• Lead the troubleshooting of core network operations challenges and create solutions.


• Produce policies and procedures for managing and controlling managed services team.


• Perform periodic reconciliation of HLR profiles and templates in line with business requirements.


• Audit announcements and tone files between the IN platform and core network nodes.


• Perform other tasks as may be assigned by the Manager Core & Datacom.

Educational Requirements

• First Degree or equivalent in Electrical / Electronic Engineering, Computer Engineering and / or any other relevant discipline.


• Minimum of four (4) years experience in Telecoms.

Knowledge:

• Excellent communication and interpersonal skills.


• Excellent problem-solving skills.


• Good time management skills.


• Good reporting skills.

Behaviour:

• Passion for Excellence


• Integrity


• Empowering people


• Growing people


• Teamwork


• Customer Focus