[VACANCY] 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


The mission of the Engineer – IP Security Operations is to continuously drive MTNN Businesses/Services in achieving their set objectives and protect these services from internal and external threats. The engineer is responsible for ensuring Quality of Service, Compliance to Security standards, Availability, Confidentiality, Integrity, and 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 technology in line with Security practices.
  • Develop 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.
  • Provide 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).
  • Proactively monitor and conduct daily health checks 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 with existing security policies and best practices from a network Security Perspective.
  • Participate in security infrastructure audit activities and provide 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 perform acceptance testing.
  • Ensure proper implementation of change requests/planned activities.
  • Monitor performance statistics and generate weekly reports.
  • Ensure routine maintenance and housekeeping (records, backups, 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, Net flow, IPS/IDS, Log Analysis, and Routing over varied platforms such as Cisco, Juniper, Checkpoint, Fortinet, and F5.
  • A minimum of Four (4) years of experience supporting and monitoring network security systems in a 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.

Eligible Females and People with Disabilities are encouraged to apply.


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