Network Security Engineer (m/f/d)

Job Summary

• Maintain a hardened perimeter and secure enterprise email with full operational evidence for audits and transition stability.
• This role owns day-to-day operations, hygiene, incident response, and change control across network security controls and the email security gateway in Client’s production environment.
• In-scope technologies (representative, non-exhaustive)
• Network Security: Next-Gen Firewalls (e.g., Palo Alto / equivalent), site-to-site & remote-access VPN, IPS/Threat Prevention, URL filtering, WildFire/sandboxing (or equivalent), SSL decryption where applicable, HA/failover, logging to SIEM.
• Email Security: Secure Email Gateway (e.g., Proofpoint or equivalent): inbound/outbound policies, anti-phishing/BEC, impersonation protection, URL rewriting/sandboxing, attachment detonation, quarantine workflows, user digests, SPF/DKIM/DMARC posture checks (with Messaging team).

• Operational Ownership (Network)

• Daily health checks for NGFW clusters, threat/content updates, license/status, HA sync/state.
• Rulebase hygiene: reduce unused/overlapping rules, enforce least privilege, maintain application-based policies, validate security profiles (AV/IPS/URL filtering).
• Remote access posture (e.g., GlobalProtect or equivalent): portal/gateway policies, MFA integration with IAM team, and user experience SLAs.
• Traffic troubleshooting: ACC/log analysis, PCAPs, policy simulation; coordinate fixes with platform owners.

• Operational Ownership (Email Security)

• Inbound/outbound policy tuning; phishing/BEC controls and executive spoof protection.
• URL and attachment sandboxing effectiveness; manage quarantine queues and approval flows.
• Partner with Messaging team on SPF/DKIM/DMARC alignment; monitor sending reputation and delivery health.
• Provide user-facing guidance (digests, safe release, false positive/negative handling).

• Incident Response & Threat Handling

• Lead P1 incidents across perimeter/email; coordinate with SOC (SIEM alerts, playbooks).
• Rapid containment (block rules, URL detonation verdicts, sender throttling), evidence capture, and RCA with corrective actions.

• Change, Patch & Upgrades

• Prepare CAB-ready change plans (impact, test, rollback) for signature/content updates, firmware upgrades, and policy changes.
• Post-change validation and documentation.

• Compliance & Evidence

• Maintain audit-ready artifacts: change tickets/approvals, policy exports, content update logs, quarantine reports, incident timelines, and monthly posture reviews.
• Familiarity with SAMA & NCA CSF audit and regulations requirements.
• Support internal/external audits with traceable evidence.

• Documentation & KT

• Own runbooks/SOPs (policy hygiene, incident triage, quarantine workflows, upgrade steps).
• Mentor L1/L2; drive shadow → reverse-shadow.

Required Qualifications

• 5+ years in enterprise network and email security operations.
• Hands-on with NGFWs (preferably Palo Alto) and a major Secure Email Gateway (e.g., Proofpoint).
• Strong change/incident management discipline; clear written reports in English (Arabic a plus).
• Comfortable with packet analysis, SSL decryption concepts, and mail flow basics with messaging teams.

Preferred

• Banking/regulated-sector experience.
• Experience integrating controls with SIEM/SOAR.
• Certifications: PCNSE (or equivalent NGFW), vendor SEG certification, ITIL.

Halian Group