OT Security Engineer

Penta Consulting; Riyadh; On-site; SAR 180,000 - 260,000; Full time

Job summary

Penta Consulting is seeking an OT Security Operations Engineer to support a key enterprise client in the region. This role focuses on OT security monitoring, hands-on Nozomi Networks expertise, and safeguarding critical industrial environments.

You will provide onsite security operations, perform log source analysis, validate SIEM alerts, conduct OT traffic analysis to identify new devices and anomalies, and produce regular security and performance reports for stakeholders.

Qualifications

• Experience in OT Security Operations within industrial or critical infrastructure environments.
• Hands-on experience with Nozomi Networks and SIEM platforms.
• Strong understanding of OT protocols, monitoring and threat detection.
• Knowledge of OT security governance, compliance and vulnerability management.

Responsibilities

• Provide onsite OT Security Operations support as a Resident Engineer.
• Support day-to-day security monitoring, log source analysis, and troubleshooting.
• Monitor Nozomi dashboards and SIEM alerts, validating system status and coordinating remediation activities.
• Conduct OT traffic analysis to identify new devices, communication anomalies, and potential security threats.
• Advise on improvements to OT monitoring capabilities, network segmentation, and security coverage.
• Produce regular security, threat, vulnerability, and performance reports.

Skills

OT Security Operations

OT Protocols

Network Monitoring

Threat Detection

Governance

Vulnerability Mgmt

Stakeholder Mgmt

Analytical Thinking

Tools

Nozomi Networks

SIEM Platforms

Job description

Penta Consulting is a leading technology services partner delivering professional and managed solutions across EMEA.

We’re seeking an OT Security Operations Engineer to support one of our key enterprise clients. This role is ideal for someone with strong OT security monitoring experience, hands‑on expertise with Nozomi Networks, and a passion for protecting critical industrial environments.

Key Responsibilities:

OT Security Operations

• Provide onsite OT Security Operations support as a Resident Engineer
• Support day‑to‑day security monitoring, log source analysis, and troubleshooting
• Monitor Nozomi dashboards and SIEM alerts, validating system status and coordinating remediation activities
• Conduct OT traffic analysis to identify new devices, communication anomalies, and potential security threats
• Advise on improvements to OT monitoring capabilities, network segmentation, and security coverage
• Produce regular security, threat, vulnerability, and performance reports

Key Requirements:

• Experience in OT Security Operations within industrial or critical infrastructure environments
• Hands‑on experience with Nozomi Networks and SIEM platforms
• Strong understanding of OT protocols, network monitoring, and threat detection
• Knowledge of OT security governance, compliance, and vulnerability management
• Excellent analytical, problem‑solving, and stakeholder management skills

Mandatory Certification: