OT Security Architect

Hello All,

Hope you are doing great!!!

Position: OT Security Architect

Location: Bedford, MA

Duration: 12+ months

Domain Cyber Security

Job description:

• Define and maintain global OT reference architecture (Purdue model, zones & conduits, DMZ).
• Lead CRA implementation and gap assessments for OT systems.
• Secure and harden Rockwell PLCs and Ignition SCADA environments.
• Perform OT cyber risk assessments and threat modelling.
• Implement secure configuration baselines for servers and engineering workstations.
• Ensure compliance with GMP & FDA 21 CFR Part 11 (audit trails, electronic records, RBAC).
• Support Computer System Validation (CSV) documentation (URS/NFR/FS/DS/IQ/OQ/PQ).
• Define patch management and vulnerability handling processes for validated OT systems.
• Support audit readiness and regulatory inspections.

Mandatory skills :

The role focuses on Rockwell PLC (ControlLogix/CompactLogix) systems, Ignition SCADA, and compliance with EU Cyber Resilience Act (CRA), IEC 62443/ISA99, ISA 95, GMP, and FDA 21 CFR Part 11.

• Minimum years of experience needed in the required skills- 8-10 years
• Minimum over all work experience required 10 years
• Any certification required - Preferred Certifications
• IEC 62443 Cybersecurity Expert
• GICSP / CISSP
• Rockwell Automation certifications

Thanks & Regards

Madhu Joshi (US and Canada IT Recruiter)

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