Senior OT Systems Engineer

Key Responsibilities

• Design, implement, and maintain industrial control and automation systems supporting critical facility operations.
• Configure and support PLCs, HMI platforms, SCADA systems, and related monitoring technologies.
• Develop and maintain control logic, alarm strategies, system integrations, and communications architectures.
• Troubleshoot hardware, software, and network-related issues impacting facility automation systems.
• Support system upgrades, commissioning activities, and modernization initiatives.
• Manage OT networks and communications supporting controllers, field devices, and supervisory systems.
• Support industrial communication protocols such as Modbus, BACnet, OPC-UA, MQTT, and related technologies.
• Maintain system documentation, network diagrams, configuration backups, and asset inventories.
• Monitor system performance and identify opportunities to improve reliability, resilience, and operational efficiency.
• Assist with integration and monitoring of power, cooling, and building systems.
• Participate in root cause analysis and corrective action efforts following operational incidents.
• Support implementation of cybersecurity controls within OT environments.
• Avoid vulnerability remediation, access management, and system hardening activities.
• Maintain compliance with applicable internal standards and industry best practices.
• Participate in incident response and business continuity planning efforts.
• Support new facility deployments, expansions, and infrastructure enhancement projects.
• Participate in factory acceptance testing (FAT), site acceptance testing (SAT), commissioning, and operational handoff activities.
• Develop and maintain engineering standards, templates, and best practices.
• Evaluate emerging technologies and recommend solutions that improve reliability, visibility, and operational effectiveness.

Qualifications

• 5+ years of experience in controls engineering, industrial automation, operational technology, or related disciplines.
• Experience supporting industrial, manufacturing, critical facilities, utilities, energy, or similar operational environments.
• Hands-on experience with PLC, HMI, SCADA, or building automation platforms.
• Knowledge of industrial networking concepts and communication protocols.
• Strong troubleshooting and root cause analysis capabilities.
• Experience creating technical documentation and engineering deliverables.
• Excellent communication and stakeholder management skills.