We are hiring "Senior Network Security Engineer" Location Cairo (On-site | Full-time). Responsibilities We are looking for a Senior Network Security Engineer responsible for maintaining and improving the organization’s network security infrastructure. The role focuses on implementing secure network designs, managing security platforms and ensuring reliable and secure connectivity across internal systems, external partners, and remote access solutions. The candidate will work closely with infrastructure, cloud, and SOC teams to ensure that network security controls are properly implemented and aligned with the organization’s security standards. Job Description· Design, implement, and maintain network security solutions including firewalls, VPN gateways, Email gateway and network segmentation.· Manage and maintain firewall policies, NAT rules, and access control policies in line with security standards and operational requirements.· Implement and maintain secure connectivity including site-to-site VPNs and remote access VPNs for internal users and external partners.· Work with infrastructure and application teams to ensure new systems are deployed following the organization’s network security standards.· Perform security hardening for network devices including firewalls, routers, and switches.· Review and optimize firewall policies periodically to ensure proper access control and minimize security risks.· Support the SOC team during security investigations by providing network-level analysis, traffic verification, and infrastructure insights when needed.· Troubleshoot complex network and security-related issues affecting connectivity or service availability.· Participate in security projects such as network segmentation, data center security improvements, or cloud connectivity implementations.· Maintain proper documentation for network security architecture, firewall policies, VPN configurations, and operational procedures.· Ensure network security infrastructure is operating reliably and that upgrades, patches, and firmware updates are applied as required.· Manage and maintain email security gateway solutions to protect against spam, phishing, and malware threats.· Support the deployment and management of endpoint protection and EDR solutions in coordination with the SOC team. Requirements· Strong understanding of enterprise networking concepts including TCP/IP, routing, VLANs, NAT, and network segmentation.· Hands-on experience with Next Generation Firewalls (such as Fortinet, Palo Alto, Cisco, or similar technologies).· Experience implementing and troubleshooting IPSec VPN , SSL VPN and email gateway solutions.· Familiarity with IDS/IPS, WAF, and network security best practices. Experience analyzing network traffic and troubleshooting connectivity issues across multiple network layers.· Basic knowledge of cloud networking security (AWS, Azure, or similar environments) is a plus.· Proven 5+ years of hands-on experience in network security or network engineering roles. Experience working in enterprise environments with complex network infrastructures. Bachelor’s degree in Computer Science, Information Technology, or related field is preferred. Relevant certifications such as CCNP Security, Fortinet NSE, PCNSE, or similar are considered an advantage.