Latest Job Vacancy

Apply || 9mobile Nigeria Recruitment 2022 – Senior Engineer, Circuit Switch Core

Apply || 9mobile Nigeria Recruitment 2022 – Senior Engineer, Circuit Switch Core

Apply || 9mobile Nigeria Recruitment 2022 – Senior Engineer, Circuit Switch Core

Apply || 9mobile Nigeria Recruitment 2022 – Senior Engineer, Circuit Switch Core

Application is currently open for 9mobile Nigeria Jobs in Nigeria –  Recruitment Position: Senior Engineer, Circuit Switch Core – 2022 September/October Job Recruitment. Hurry Now And Apply!!!

ABOUT || 9mobile Nigeria

originating in 2007 from the Nigerian Communications Commission. In addition to receiving spectrum assignments in the 900 and 1800 MHz bands, the License allows EMTs to offer Fixed Telephony (wired or wireless), Digital Mobile Services, International Gateway Services, and National/Regional Long Distance Services.

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We are recruiting to fill the position below:

How To Apply For 9mobile Nigeria Recruitment 2022

JOB TITLE: Senior Engineer, Circuit Switch Core

Job ID: IRC4746
Location: Lagos

JOB DESCRIPTION || Senior Engineer, Circuit Switch Core At 9mobile Nigeria

  • 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.

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RESPONSIBILITIES || Senior Engineer, Circuit Switch Core At 9mobile Nigeria

  • 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 interconnect 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 their impact on the existing network
  • Ensure regular network performance improvement via key KPIs such as LUSR, PSR, AUTHSR, CSR
  • Regularly review the B number analysis table across all CS core systems.
  • Enforce strict conduct of Quarterly audits 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.

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QUALIFICATIONS || Senior Engineer, Circuit Switch Core At 9mobile Nigeria

  • First Degree or equivalent in Electrical / Electronic Engineering, Computer Engineering and/or any other relevant discipline.
  • Minimum of four (4) years experience in Telecoms.


  • Excellent communication and interpersonal skills.
  • Excellent problem-solving skills.
  • Good time management skills.
  • Good reporting skills.


  • Passion for Excellence
  • Integrity
  • Empowering people
  • Growing people
  • Teamwork
  • Customer Focus



For Interested and qualified applicants please Click the link below:


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