Network Security Specialist (Netscout & Firewall)
Location : Dubai, United Arab Emirates | Posted on : 08 / 18 / 2025
Position : Network Security Specialist
Experience Required : 3 to 7 years
Employment Type : Full-time
Key Responsibilities
- 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 24x7 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.#J-18808-Ljbffr