Network Security Engineer
The Network Security Engineer role is responsible for designing, implementing, and maintaining secure network infrastructures that protect organizational systems, data, and users from cyber threats. This role ensures continuous monitoring, threat prevention, and incident response across enterprise network environments while maintaining high availability and performance.
Train on Real Network Security Dashboards
Every module is built around live, hands-on scenarios — you'll work in mentor-led teams reading live network topology diagrams, configuring firewall rules, and responding to real intrusion-detection alerts just like a working network security team.
- Live network topology & firewall-rule labs
- Real-time intrusion detection dashboard practice
- Mentor-led incident response walkthroughs
- VLAN segmentation & access-control exercises
- Hands-on with live traffic-monitoring tools
- Team-based threat investigation scenarios
Key Responsibilities
Design, deploy, and manage secure network architectures including LAN, WAN, VPN, and cloud networks
Configure and maintain firewalls, intrusion detection/prevention systems (IDS/IPS), and security gateways
Monitor network traffic to detect, analyze, and respond to security incidents and anomalies
Perform vulnerability assessments, penetration testing coordination, and risk analysis
Implement and enforce network security policies, standards, and best practices
Manage secure access controls, identity-based policies, and segmentation strategies
Investigate security breaches and support incident response and recovery activities
Ensure regular patching, upgrades, and configuration hardening of network devices
Maintain documentation of network security configurations, procedures, and audit reports
Collaborate with IT teams to strengthen overall infrastructure security posture
Required Skills
TCP/IP & Routing
Strong understanding of TCP/IP, DNS, DHCP, routing, and switching fundamentals.
Firewall Technologies
Hands-on experience with firewall technologies (Cisco, Palo Alto, Fortinet or equivalent).
IDS/IPS & SIEM
Knowledge of IDS/IPS systems, SIEM tools, and network monitoring solutions.
VPN & Secure Comms
Understanding of VPN technologies, SSL/TLS, and secure communication protocols.
Vulnerability Scanning
Familiarity with vulnerability scanning and security assessment tools.
Cloud Network Security
Good understanding of cloud networking security (AWS / Azure / GCP).
Scripting Basics
Basic scripting knowledge (Python or Bash) for automation is an advantage.
Analytical Thinking
Strong analytical and troubleshooting skills.
Qualifications
Degree
Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or related field.
Certifications
Industry certifications preferred (CCNA Security, CompTIA Security+, CEH, CISSP).
Experience
Prior experience in network administration or cybersecurity roles is an advantage.
Professional Attributes
Strengthening Security Postures Through Resilient, Continuously Monitored Networks
To strengthen your organisation's security posture by ensuring resilient, secure, and continuously monitored network environments that protect business operations from evolving cyber threats.