Haystack
← Back to Jobs
Technology

Senior OT (Operational Technology) Cyber Security Architect

Lorhan CorporationBedford, TX🇺🇸United StatesPosted 14 Jul 2026

Why This Role Stands Out

Shape the future of operational technology security in a hybrid environment at Lorhan Corporation, a leader in innovation and reliability. You'll thrive here if you possess deep expertise in OT/ICS security, Rockwell PLCs, and Ignition SCADA, leveraging your extensive experience to architect robust solutions and drive impactful projects. This is an excellent opportunity to contribute your specialized skills and advance your career within a forward-thinking organization.

Quick Overview

Work Type
Hybrid
Level
Mid Senior

Job Description

Job Description

We are looking for an experienced OT Security Architect with 12+ years of IT experience and 8–10 years of OT/ICS Security experience.

Required Skills

  • Strong experience with Rockwell PLC (ControlLogix/CompactLogix).
  • Hands-on experience with Ignition SCADA.
  • Knowledge of OT Security, Industrial Control Systems (ICS), and the Purdue Model.
  • Experience with EU Cyber Resilience Act (CRA), IEC 62443/ISA99, ISA 95, GMP, and FDA 21 CFR Part 11.
  • Experience with OT risk assessments, threat modeling, and system hardening.
  • Knowledge of patch management, vulnerability management, and secure configuration of OT systems.
  • Experience supporting Computer System Validation (CSV) documentation (URS, FS, DS, IQ, OQ, PQ).

Responsibilities

  • Design and maintain OT security architecture.
  • Secure Rockwell PLC and Ignition SCADA environments.
  • Perform OT security assessments and gap analysis.
  • Ensure compliance with OT security and regulatory standards.
  • Support audits, inspections, and validation activities.
  • Work with engineering and cybersecurity teams to improve OT security.

Preferred Certifications

  • IEC 62443 Cybersecurity Expert
  • GICSP or CISSP
  • Rockwell Automation Certifications

Similar jobs

Apply now