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Engineer – IP Security Operations.Network NG


Engineer – IP Security Operations.Network NG

Ikoyi, Lagos, South West Region, Nigeria


Reports To: Manager, IP Security Operations

Division: Network


To continuously drive MTNN Businesses/Services in achieving it’s set objectives and protect these services from internal and External threats while ensuring Quality of service, Compliance to Security standards, Availability, Confidentiality, Integrity and Ensuring better customer experience.


  • Manage and maintain all network security platforms and their associated software, such as  Firewalls, Intrusion Detection/Intrusion Prevention, Load balancers, Anti-Dos, Anti-Spam, Syslog, Remote Access and other security appliances
  • Ensure active Management of IPS/IDS, Web Filtering, Application controls, DDOS, Firewall, WAF, VPN, Load balancers and every other Technologies are in line with Security practices.
  • Development of scripts for automation of tasks and deployments, using Python, Shell, Ansible or any other network programmability solution.
  • Demonstrate subject matter expertise in the areas of IPS, Load balancers, WAF, Anti-DOS, Anti-SPAM, Remote access, NAT, Security Information, Event management, and Next Generation Firewalls with product specific knowledge of Cisco, Juniper, Checkpoint and Fortinet Firewalls.
  • Provides technical support for new integration, incident and fault resolution.
  •  Experience with Networking and troubleshooting (TCP/IP, DNS, routing, switching, firewalls, LAN/WAN, NAT, Access-list, IPSec/SSL VPN, Remote access, IPS and ADC)
  • Proactive monitoring and daily health check on network security infrastructure. Ensuring and adhering to security best practices.
  • Coordinate and monitor log analysis on all network security nodes, to ensure service availability and security requirements are met.
  • Ensure compliance to existing security policies and best practices are adhered to from a network Security Perspective.
  • Participates in security infrastructure audit activities and provides evidence as required
  • Contribute to the development, maintenance and periodic testing of disaster recovery plans ensuring business continuity for all core services and critical applications
  • Ensure proper integration of new network security elements at the regions and acceptance testing
  • Ensure proper implementation of change requests/planned activities.
  • Monitor performance statistics and generate weekly reports.
  • Ensure routine maintenance and housekeeping (records, back-ups etc.) on all network security nodes within the region
  • Document network problems and resolutions for future reference.


  • Fluent in English
  • First degree in Computer Science/Engineering, Information Technology/Cybersecurity or Electrical /Electronic Engineering


  • Minimum of Five (5) Years of Network and Information Technology Security Experience.
  • In-depth understanding of NAT, VPNs, Application Security, WAF, DNS, Web Security, DDOS, Anti-spam, Access-list, Netflow, IPS/IDS, Log Analysis and Routing over varied platform such as Cisco, Juniper, Checkpoint, Fortinet and F5.
  • A minimum of Four (4) years of experience supporting and monitoring network security systems in telecommunication company, managing IPS, Firewalls, Load Balancers, Syslog/SIEM, Remote Access and other critical network security appliances.
  • Familiar with scripting languages and/or automation tools (python, ansible, netmiko etc.)
  • In-depth knowledge of Cybersecurity, attack methodology and security incident management.
  • Good understanding of Risk Management, Security controls and standards.
  • Broad experience handling a variety of Network Security operational tools, monitoring, executive dashboard reporting and data analysis



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