Senior Security Engineer (NGFWs, XDR, Proxy)

Job Description :

The Senior Security Engineer is responsible for administering and managing security technologies and services such as Next-Generation Firewalls (Palo Alto, Fortinet), TrendMicro XDR, Proxy technologies, and vulnerability management tools (Nessus, Tenable Security Center). The engineer will create procedures, implement process development, and maintain security systems across the client environment. The engineer will work closely with management, senior engineers, threat analysts, solution architects, other security engineers, and clients to deliver high-profile, critical services to existing managed security service clients.

This position is based in Dubai, UAE, and involves administration, maintenance, and integration of NDR, EDR, and Tenable security platforms, along with technical analysis, assessment, and recommendations in real-time security, network & identity management, and application security monitoring.

Responsibilities :

• Implement, deploy, and support Nessus scan engines, Tenable Security Center, and related vulnerability scanning infrastructure.
• Support the full lifecycle of firewalls (Palo Alto, FortiGate), web proxy, and WAF systems : configuration, tuning, performance optimization, patching, and backups.
• Lead remediation of vulnerabilities in line with SLAs and compliance standards.
• Manage TrendMicro XDR sensors : deployment, updates, rule tuning, and threat detection.
• Develop custom detection rules for IOCs and behavioral anomalies in XDR and NDR platforms.
• Perform advanced threat hunting using custom queries in EDR / NDR environments.
• Serve as the primary contact for MSS client issues and escalations.
• Collaborate with SOC, threat intelligence, and IR teams for rapid response and root cause analysis.
• Manage ticket workflows, coordinate resolution with stakeholders, and meet SLAs.
• Monitor license usage, system availability, and performance, providing regular reports.
• Coordinate troubleshooting, upgrades, and patch management with vendors.
• Conduct incident analysis, investigation, and resolution for security technologies.
• Follow up on tickets with stakeholders for resolution.
• Backup and restore configurations.
• Monitor system availability and performance.
• Prepare periodic service reports.
• Coordinate with vendors for problem resolution.
• Monitor license usage and generate reports.
• Perform software patches and upgrades.

Qualifications & Skills :

Benefits :

About Us :

Help AG, the cybersecurity arm of e& (formerly Etisalat Digital), provides enterprise cybersecurity solutions across the Middle East. Established in 2004 and acquired by e& in 2020, Help AG is a trusted, vendor-agnostic security advisor with a focus on cybersecurity and digital transformation, offering top-tier technologies and services to strengthen clients' defenses.

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