OT/ICS Security Architect - Onsite in Newark, DE

Navitas Partners, LLC

Newark (DE)

On-site

USD 140,000 - 210,000

Full time

21 hours ago

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Job summary

Navitas Partners, LLC is seeking an experienced OT Security Architect with hands-on OT/ICS cybersecurity expertise in industrial environments. You will deploy security tools, design segmentation, and align with ISA/IEC 62443 standards across multiple manufacturing sites.

The role requires 8+ years in cybersecurity/IT with at least 4 years in OT/ICS, onsite in Newark, DE, and willingness to travel up to 25%.

Qualifications

8+ years of experience in cybersecurity, network, or infrastructure engineering.
Minimum 4 years of hands-on OT/ICS cybersecurity experience.
Experience deploying OT security solutions in live production environments.
Strong knowledge of Purdue Model, network segmentation, firewalls, VLANs, and OT security.
Familiarity with PLCs, HMIs, SCADA, and industrial protocols such as Modbus, DNP3, Profinet, and OPC-UA.
Experience with SIEM, EDR/XDR, NDR, and vulnerability management.
Knowledge of Windows/Linux environments and industrial networks.

Responsibilities

Deploy and manage OT security tools, including endpoint protection, intrusion prevention, asset discovery, and secure remote access.
Design and implement OT network security and segmentation.
Work with Purdue Model and ISA/IEC 62443 security standards.
Manage OT asset discovery, vulnerability management, and security monitoring.
Implement PLC/HMI backup, recovery, and security solutions.
Integrate OT security systems with SIEM, EDR/XDR, NDR, and other enterprise security platforms.
Support OT incident response and security improvements across manufacturing sites.