OT Security Architect
Bedford, Virginia, United States of America
Contract
1 week ago
About this role
Job Title: OT Security Architect
Location: Bedford, MA (Hybrid)
Duration: 6-12 Months
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
- Domain Cyber Security
Any certification required - Preferred Certifications:
- IEC 62443 Cybersecurity Expert
- GICSP / CISSP
- Rockwell Automation certifications
Complete 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.