Dangote Group is one of Nigeria’s most diversified business conglomerates with a hard – earned reputation for excellent business practices and products’ quality with its operational headquarters in the bustling metropolis of Lagos, Nigeria in West Africa.
We are recruiting to fill the position below:
Job Title: Senior Network Security Engineer
Location: Lagos
Employment Type: Full Time
Department: Dangote Refinery and Petrochemical
Job Description
The Senior Network Security Engineer is responsible for ensuring the integrity and security of the Dangote’s network infrastructure, with a primary focus on Cisco and Fortinet firewall technologies.
This role involves designing, implementing, and managing advanced security solutions to protect against cyber threats. The engineer will monitor network traffic, identify vulnerabilities, and enforce security policies to safeguard critical systems.
This position requires a deep understanding of network protocols, firewall configurations, and security best practices.
The Senior Network Security Engineer will also collaborate with cross-functional teams to support the secure deployment of applications and maintain compliance with industry standards.
Responsibilities
Design, implement, and maintain high speed network architecture
Troubleshoot network issues and perform root cause analysis
Develop and implement network segmentation and micro-segmentation strategies
Conduct threat analysis and mitigation activities
Ensure compliance with regulatory requirements (HIPAA, PCI-DSS, NIST)
Collaborate with cross-functional teams to ensure network security alignment
Maintain accurate documentation of firewall configurations, security policies, and incident reports.
Provide technical leadership and mentorship to junior engineers
Requirements
Bachelor’s degree (BSc/BE) in computer science, Information Technology, network engineering or any related field
Bachelor’s degree (BSc/BE) in computer science, networking or any related field
Fortinet NSE 4 certification or higher
Cisco CCNP Security certification or higher,
Minimum 5-7 years of experience in network security, with a focus on high-speed networking and firewall configuration
In-depth knowledge of Fortinet and Cisco Firewall technologies
Experience working on Fortinet tools (FortiGate, Forti Manager, Forti Analyzer)
Experience with network security protocols (BGP, OSPF, EIGRP) and network segmentation
Strong understanding of threat analysis and mitigation techniques
Experience with compliance and regulatory requirements (HIPAA, PCI-DSS, NIST)
Cisco Firewalls (ASA, ASR, ISR)
In-depth knowledge of VAPT
Firewall configuration and troubleshooting
Network segmentation and micro-segmentation
Key Performance Indicators (KPIs):
Policy Compliance Rate: Adherence to security policies.
Vulnerability Remediation Time: Time to fix identified vulnerabilities.
Audit Pass Rate: Success rate of security audits.
Threat Detection Accuracy: Rate of correctly identified threats.
Change Management Efficiency: Successful configuration changes without disruption.
Training Effectiveness: Impact and frequency of security training sessions.
Soft Skills:
Excellent problem-solving and troubleshooting skills
Ability to work in a fast-paced environment and prioritize tasks effectively
Strong communication and collaboration skills
Nice to Have:
Experience with network automation tools (e.g., Ansible, Python)
Knowledge of cloud computing platforms (e.g., AWS, Azure)
Experience with network management software (e.g., SolarWinds, Nagios)