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# OT/ICS Security Architect

- **Company:** NR Consulting LLC
- **Location:** St. Louis, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Cyber Security, Ethernet, Supervisory Control and Data Acquisition (SCADA), Intrusion Detection Systems, Modbus, Network Planning and Design, Remote Access Technology, Zero Trust Network Access, OPC Unified Architecture, Security Information and Event Management, Software Vulnerability Management, Firewalls (Computer Science), Vulnerability Analysis
- **Published:** September 28, 2026
- **Apply:** https://www.dice.com/job-detail/48c2423f-63ee-4575-ab0e-bb184c7ed074

## About the Role

10+ years of cybersecurity experience with strong OT/ICS security architecture expertise.

Experience securing SCADA, PLC, DCS, HMI, industrial networks, and critical infrastructure.

Strong knowledge of IEC 62443, NIST CSF, NIST SP 800-82, and industrial security best practices.

Design network segmentation, zones/conduits, firewalls, secure remote access, IDS/IPS, and Zero Trust architectures.

Experience with IT/OT integration, vulnerability management, incident response, risk assessment, and security monitoring.

Knowledge of industrial protocols such as Modbus, DNP3, OPC UA, Ethernet/IP, and PROFINET.

Experience with SIEM, EDR/NDR, asset discovery, vulnerability assessment, and SOC integration.

Ability to work with engineering, infrastructure, operations, and cybersecurity teams.

Ideal Candidate: An architect who can secure industrial environments while understanding the operational requirements of SCADA/ICS systems and critical infrastructure.



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