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Senior Engineer, Circuit Switch Core at 9mobile

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9mobile is a Nigerian private limited liability company. EMTS acquired a Unified Access Service License from the Nigerian Communications Commission in 2007. The License enables EMTS provide Fixed Telephony (wired or wireless), Digital Mobile Services, International Gateway Services and National/Regional Long Distance Services in addition to spectrum assignments in the 900 and 1800 MHz bands.

We are recruiting to fill the position below:

 

Job Title: Senior Engineer, Circuit Switch Core

Job ID: IRC4572
Location: Lagos

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
  • 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.
  • 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.
  • 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.
  • Between three (3) to five (5) year 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

 

 

How to Apply
Interested and qualified candidates should:
Click here to apply


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