Technical Test Lead | Infrastructure Security | Infrastructure Security - ALL

Job title – OT Security Architect Work location - Bedford Is it Hybrid, onsite or remote position - Hybrid Tentative Start date – 13-Jul-2026 Contract duration – 6 months Vendor rate – 80 USD/Hr 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. Interview mode - In person/Virtual - Virtual How many rounds of interview – 1 or 2 Project Code: OT security code for Merck