Network Security Specialist (Netscout & Firewall)

المسمى الوظيفي

411_2518728

Network Security Specialist (Netscout & Firewall)

الموقع: Dubai, United Arab Emirates | Posted on: 08/18/2025

Position: Network Security Specialist

Experience Required: 3 to 7 years

Employment Type: دوام كامل

المهام الأساسية

• Manage Netscout AED & AEM appliances, perform daily health checks, and operational monitoring.
• Fine-tune detection thresholds and filters to optimize DDoS detection and minimize false positives.
• Manage mitigation strategies for volumetric and application-layer DDoS attacks.
• Ensure timely software/firmware upgrades.
• Provide reports and analytics on system performance, threat detection, and incident reviews.
• Administer daily firewall operations, including policy reviews, rule optimization, and log analysis.
• Monitor and analyze security events; perform deep packet inspections to identify threats.
• Configure and maintain security policies, NAT, and VPNs.
• Collaborate with incident response teams to contain and resolve threats.
• Manage and monitor Intrusion Prevention Systems (IPS), ensuring signatures and configurations are up-to-date.
• Investigate alerts, fine-tune IPS rules, and reduce false positives while maintaining strong defenses.
• Provide advanced analysis during intrusion attempts or suspicious activities.
• Deliver 24×7 operational support for system and security monitoring with real-time alert triage.
• Generate operational and security reports with insights, trends, and recommendations.
• Serve as a trusted technical advisor for network security, traffic engineering, and threat visibility.
• Conduct training sessions, knowledge transfers, and technical briefings with stakeholders.
• Escalate complex technical issues to vendor TAC/support and drive resolution.

Required Skills & Experience

• Hands-on experience with Netscout AED (Arbor Edge Defense) and Arbor Cloud.
• Firewall administration: Palo Alto, Cisco, or Fortigate.
• IPS management and tuning.
• Strong knowledge of DDoS mitigation strategies and traffic engineering.
• Experience in log analysis, incident investigation, and troubleshooting complex network security issues.
• Excellent communication and reporting skills.
• Ability to handle escalations and coordinate with vendor support teams.

Preferred Qualifications

• Certifications such as PCNSE, CCNP Security, NSE (Fortinet), or Netscout Certified.
• Experience in a SOC/NOC environment with large-scale enterprise networks.
• Strong analytical skills for pattern recognition and security recommendations.

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2025-11-11 12:50:39