OT Security Engineer

Key Responsibilities

• Design, implement, and maintain cybersecurity controls for OT and industrial automation environments within manufacturing facilities
• Secure and monitor Process Control Networks (PCN) supporting PLCs, SCADA, DCS, and related industrial systems
• Support cybersecurity hardening efforts across OT networks, including segmentation, network zoning, access controls, and monitoring
• Collaborate with engineering, controls, manufacturing, and IT teams to align OT security with production requirements and safety standards
• Identify, assess, and mitigate cybersecurity risks impacting OT systems and plant-floor operations
• Support vulnerability management and risk assessments in OT environments, using OT-safe assessment methods
• Respond to and investigate OT cybersecurity incidents, coordinating remediation with plant and engineering teams
• Support compliance with applicable frameworks and standards such as ISA/IEC 62443, NIST SP 800-82, and internal security policies
• Assist with secure architecture design for new manufacturing systems, automation upgrades, and plant expansions
• Maintain documentation related to OT security architecture, PCN design, and operational procedures

Required Qualifications

• 5+ years of cybersecurity experience, with direct responsibility for security engineering, operations, or architecture
• Hands-on experience securing Operational Technology (OT) environments in manufacturing or industrial settings
• Demonstrated experience working with Process Control Networks (PCN)
• Strong understanding of industrial control systems, including PLCs, SCADA, DCS, and HMIs
• Experience with network segmentation, firewalls, and monitoring solutions in industrial or OT networks
• Knowledge of the differences between IT and OT cybersecurity, including availability and safety considerations
• Experience collaborating with controls engineers, plant operations, and manufacturing stakeholders