Network Security Engineer

Job Summary

We are seeking a highly motivated Network & Security Executive to manage, maintain, and enhance the organization's network and security infrastructure. The role is responsible for ensuring the availability, performance, and security of network systems, including routers, switches, firewalls, Web Application Firewalls (WAF), load balancers, DNS services, and cloud networking environments. The ideal candidate should possess strong troubleshooting skills, a solid understanding of network protocols, and hands-on experience with enterprise network and security technologies.

Key Responsibilities

1. Install, configure, maintain, and troubleshoot network and security infrastructure, including routers, switches, firewalls, Web Application Firewalls (WAF), load balancers, VPNs, and related systems.
2. Plan, design, implement, and support network infrastructure projects, including new deployments, upgrades, migrations, and system enhancements.
3. Monitor network performance, capacity, availability, and security posture to ensure optimal operation and identify areas for improvement.
4. Perform root cause analysis and resolve network and security incidents within established service levels.
5. Collaborate with internal IT teams, vendors, customers, and cross-functional stakeholders to deliver network and security initiatives.
6. Participate in the development, implementation, and continuous improvement of network security standards, policies, procedures, and best practices.
7. Manage and maintain DNS, IP addressing, routing, switching, firewall policies, load balancing configurations, and network-related services.
8. Support and administer cloud networking and security infrastructure, including AWS and other public cloud platforms.
9. Prepare and maintain accurate documentation, including network diagrams, operational procedures, configuration standards, and technical reports.
10. Conduct network capacity planning, performance tuning, vulnerability remediation, and infrastructure optimization activities.
11. Provide technical support, guidance, and knowledge sharing to internal teams when required.
12. Participate in on-call support, maintenance activities, and incident response outside normal business hours when necessary.
13. Perform any other network and security-related duties assigned by management.

Must-Have Qualifications

• Diploma, Advanced Diploma, Bachelor's Degree, or higher qualification in Computer Science, Information Technology, Computer Engineering, Telecommunications, or a related field.
• Minimum 2 years of relevant experience in network and security operations, administration, or engineering roles (depending on position level).
• Strong understanding of networking fundamentals, including TCP/IP, BGP, NAT, VRRP, STP, VLAN, DNS, VPN.
• Good understanding of network protocols and packet flow from Layer 2 through Layer 7.
• Experience in troubleshooting complex network and security issues in enterprise environments.
• Familiarity with cloud networking and security concepts, preferably in AWS.
• Strong analytical, problem-solving, and troubleshooting skills.
• Good communication and interpersonal skills with the ability to explain technical concepts to both technical and non-technical stakeholders.
• Able to work independently and as part of a team.

Added Advantage

Hands-on experience with one or more of the following technologies:

• Check Point Firewalls
• Fortinet FortiGate
• Cisco Routing & Switching
• Dell Networking
• Ruckus Networks
• Web Application Firewalls (WAF)
• Load Balancers (F5, Kemp, HAProxy, NGINX, Citrix ADC)
• AWS Networking Services (VPC, Transit Gateway, Route Tables, Security Groups, Network ACLs, Direct Connect, Site-to-Site VPN)
• SIEM, IDS/IPS, DDoS Protection, or Network Monitoring Solutions

Preferred Certifications

• CCNA / CCNP
• Fortinet NSE / FCF / FCA
• Check Point CCSA / CCSE
• AWS Certified Solutions Architect Associate
• AWS Certified Advanced Networking - Specialty
• CompTIA Network+
• CompTIA Security+