We are seeking a highly experienced and certified Senior Network Security Engineer to join our team onsite in Doha, Qatar. This critical role demands a deep understanding of network security principles, extensive hands-on experience managing and configuring advanced firewall technologies and F5 load balancers, and a proven track record in securing complex network environments. The successful candidate will be a subject matter expert, responsible for the design, implementation, maintenance, and optimization of our network security infrastructure. Possession of a valid CCIE Security certification is mandatory for this position.
Responsibilities
Design, implement, configure, and manage next-generation firewalls (NGFWs) from leading vendors (e.g., Cisco, Palo Alto Networks, Fortinet) to ensure robust perimeter security.
Possess expert-level knowledge and hands-on experience in configuring, troubleshooting, and maintaining F5 BIG-IP Local Traffic Manager (LTM), Global Traffic Manager (GTM), and Application Security Manager (ASM) modules.
Develop and enforce network security policies, standards, and procedures in alignment with industry best practices and compliance requirements.
Architect and implement secure network solutions, including VPNs, intrusion detection/prevention systems (IDS/IPS), and content filtering.
Conduct regular security assessments and vulnerability scans to identify and remediate potential security weaknesses in the network infrastructure.
Monitor network traffic and security logs, analyze security events, and respond to security incidents effectively.
Troubleshoot complex network security issues and provide timely resolution.
Collaborate with other IT teams (e.g., network engineers, system administrators) to ensure the overall security and availability of IT infrastructure.
Participate in the planning and implementation of network security upgrades and enhancements.
Stay up-to-date with the latest security threats, vulnerabilities, and industry trends.
Document network security configurations, procedures, and incident responses.
Provide technical guidance and mentorship to junior security team members.
Participate in security audits and compliance initiatives.
Ensure the security of cloud-based network infrastructure (if :
Bachelor's degree in Computer Science, Information Technology, or a related field.
10+ years of progressive experience in network security engineering, with a strong focus on firewall management and F5 technologies.
Mandatory and active Cisco CCIE Security certification.
Expert-level knowledge and hands-on experience with major firewall platforms (e.g., Cisco ASA/Firepower, Palo Alto Networks, Fortinet).
Extensive experience in configuring and managing F5 BIG-IP LTM, GTM, and ASM.
Deep understanding of TCP/IP, routing protocols, and network segmentation principles.
Strong knowledge of security protocols and technologies (e.g., VPN, IPsec, SSL/TLS, PKI, DNSSEC).
Experience with intrusion detection/prevention systems (IDS/IPS) and security information and event management (SIEM) solutions.
Familiarity with network monitoring and analysis tools.
Excellent analytical, problem-solving, and troubleshooting skills.
Strong communication (both written and verbal) and interpersonal skills.
Ability to work independently and as part of a team in a fast-paced environment.
Willingness to work onsite in Doha, Qatar.
Preferred Qualifications
Experience with scripting languages (e.g., Python, Perl) for automation of security tasks.
Knowledge of cloud security principles and best practices (e.g., AWS, Azure, GCP).
Familiarity with security frameworks and compliance standards (e.g., ISO 27001, SOC 2, PCI DSS).