Operational Technology (OT) Security Engineer

VaporVM; Dubai; On-site; AED 300,000 - 520,000; Full time

Job summary

VaporVM Ltd. seeks skilled OT Security Engineers to support client engagements in the UAE. You will bring hands-on OT/ICS security expertise, configure NIDS, deploy Nozomi Networks for OT visibility, and manage Palo Alto and Fortinet firewalls. Splunk SIEM will be used for monitoring and incident response.

You will work with IT, OT, and infrastructure teams to strengthen security posture, ensure compliance with OT security standards, and monitor industrial networks for anomalies and threats.

Qualifications

• OT security / ICS security experience is required.
• Strong knowledge of network intrusion detection systems (NIDS).
• Hands-on experience with Nozomi Networks for OT visibility.
• Experience configuring Palo Alto and Fortinet firewalls.
• Experience using Splunk SIEM for monitoring and investigations.

Responsibilities

• Implement, monitor, and maintain OT security solutions across industrial environments.
• Configure and manage Network Intrusion Detection Systems (NIDS) to identify suspicious activities and potential security threats.
• Deploy, administer, and monitor Nozomi Networks solutions for OT network visibility, threat detection, and asset monitoring.
• Manage and troubleshoot network security devices, including firewalls and security policies.
• Configure, manage, and troubleshoot Palo Alto and Fortinet firewall technologies.
• Utilize Splunk for security monitoring, log analysis, threat detection, and incident investigation.
• Monitor OT network traffic, identify anomalies, and investigate potential security incidents.
• Support OT security assessments, vulnerability identification, and remediation activities.
• Collaborate with IT, OT, and infrastructure teams to strengthen the overall security posture.
• Ensure compliance with relevant OT security standards, policies, and best practices.

Skills

OT security / ICS security

Threat detection

Incident response

Industrial network architecture

Tools

NIDS

Nozomi Networks

Palo Alto firewalls

Fortinet firewalls

Splunk SIEM

Job description

We are seeking skilled OT Security Engineers to support client engagements. The ideal candidates should have strong hands‑on experience in Operational Technology (OT) security, industrial network security, and threat monitoring, with practical expertise in NIDS, Nozomi Networks, firewalls, and SIEM technologies.

Key Responsibilities

• Implement, monitor, and maintain OT security solutions across industrial environments.
• Configure and manage Network Intrusion Detection Systems (NIDS) to identify suspicious activities and potential security threats.
• Deploy, administer, and monitor Nozomi Networks solutions for OT network visibility, threat detection, and asset monitoring.
• Manage and troubleshoot network security devices, including firewalls and security policies.
• Configure, manage, and troubleshoot Palo Alto and Fortinet firewall technologies.
• Utilize Splunk for security monitoring, log analysis, threat detection, and incident investigation.
• Monitor OT network traffic, identify anomalies, and investigate potential security incidents.
• Support OT security assessments, vulnerability identification, and remediation activities.
• Collaborate with IT, OT, and infrastructure teams to strengthen the overall security posture.
• Ensure compliance with relevant OT security standards, policies, and best practices.

Required Technical Skills

• Hands‑on experience in Operational Technology (OT) / Industrial Control Systems (ICS) security.
• Strong knowledge of Network Intrusion Detection Systems (NIDS).
• Practical experience with Nozomi Networks.
• Experience managing and configuring Palo Alto and Fortinet firewalls.
• Hands‑on experience with Splunk SIEM for security monitoring and log analysis.
• Good understanding of industrial network architecture, protocols, and OT security principles.
• Knowledge of network segmentation, threat detection, and incident response.