Senior Network Security Engineer

About the Role: Mantrac Group is seeking a highly skilled Senior Network Security Engineer to join our Group IT team and support the security of a global network infrastructure spanning more than 20 countries. The successful candidate will be responsible for designing, implementing, managing, and continuously enhancing network security solutions that protect business-critical systems, cloud environments, and enterprise networks from cyber threats. This role requires a hands-on security professional with strong expertise in Fortinet and Cisco security technologies, capable of driving security initiatives, improving operational resilience, and ensuring compliance with corporate security standards. Job Description: Key Responsibilities • Design, implement, and maintain enterprise network security solutions across the Group. • Manage and support security technologies including: • FortiGate Firewalls • VPN Solutions • Intrusion Prevention Systems (IPS) • Intrusion Detection Systems (IDS) • Network Access Control (Cisco ISE) • Security Management Platforms • Monitor, troubleshoot, and resolve network security incidents and vulnerabilities. • Collaborate with SOC teams to investigate security alerts and implement corrective actions. • Design and implement Network Access Control (NAC) policies for employees, guests, contractors, and IoT devices. • Ensure high availability, redundancy, and disaster recovery capabilities for security infrastructure. • Participate in security assessments, audits, and risk mitigation initiatives. • Lead and support network security projects, upgrades, and technology implementations. • Develop and maintain security documentation, standards, procedures, and architecture diagrams. • Evaluate emerging technologies and recommend security enhancements to strengthen the organization's security posture. • Work closely with Infrastructure, Cloud, Security, and Business teams to deliver secure and scalable solutions. • Provide technical expertise and guidance on network security best practices. Job Specification Education • Bachelor's Degree in Computer Science, Computer Engineering, Network Engineering, Information Security, or a related field. Experience • Minimum 5 years of hands-on experience in Network Security and Enterprise Infrastructure. • Experience managing and supporting large-scale enterprise security environments. • Strong experience with Fortinet and Cisco security technologies. • Experience in incident response, security operations, and network troubleshooting. Technical Skills • FortiGate Firewalls • FortiManager • Cisco ISE (Network Access Control) • IPS / IDS Technologies • VPN Solutions • Security Monitoring & Incident Response • Network Segmentation • High Availability & Disaster Recovery Solutions • Enterprise Security Architecture • Security Governance & Risk Management • Cloud Security Connectivity Certifications Required • NSE4 Fortinet Certification • CCNA Security knowledge or equivalent experience Preferred • CCNP Security • NSE5 / NSE6 / NSE7 • Cisco CyberOps • CompTIA Security+ • CISSP Languages • Fluent English (Written & Spoken) • Fluent Arabic Core Competencies • Strong analytical and problem-solving skills • Excellent troubleshooting capabilities • Effective communication and stakeholder management • Ability to work independently and manage multiple priorities • Strong documentation and reporting skills • Teamwork and collaboration • Continuous learning mindset and passion for cybersecurity