Senior OT Integration Engineer

Job ID: 527774

CRH Americas Building Products is reinventing what's possible in building solutions. We are the leading provider of innovative outdoor living products and utility infrastructure solutions for the water, energy, and communications markets throughout North America. We're a trusted and strategic partner to engineers, contractors, distributors, specifiers, retailers and homeowners alike as the manufacturer of precast concrete, polymer concrete, and plastic infrastructure products. Our portfolio of brands includes Oldcastle APG, Oldcastle Infrastructure, Belgard® hardscape, Echelon® Masonry, RDI® railing, Catalyst™ Fence Solutions, Sakrete® packaged concrete, Amerimix® mortar, Pebble Technology International® pool finishes, and Techniseal® sands and sealant technologies.

Job Summary

The Senior OT Integration Engineer serves as the technical lead for CRH ABP Industrial Application and Integration platform strategy, with a primary focus on the Inductive Automation Ignition platform. This role is responsible for designing, governing, implementing, and supporting enterprise-scale OT data collection, visualization, historian, alarm management, MES, and system integration solutions across a distributed manufacturing environment.

The engineer acts as a senior architect and subject matter expert for plant-floor connectivity, data acquisition, industrial application development, and IT/OT integration. The role establishes standards and best practices for Ignition deployments, develops reusable enterprise architectures, and works closely with OT Infrastructure, Automation Engineering, Operations, Cybersecurity, and Systems Integrators to ensure scalable, secure, and maintainable solutions.

• Design, implement, and support enterprise Ignition solutions for visualization, data collection, historian, alarming, reporting, and system integration.
• Establish and maintain enterprise standards, templates, naming conventions, and reference architectures for Ignition deployments.
• Drive consistency across manufacturing sites by defining approved architectures, development practices, and deployment standards.
• Support the organization's Ignition Center of Excellence by promoting reuse, governance, and platform standardization.
• Design and support integrations between PLCs, SCADA systems, historians, MES platforms, enterprise applications, and cloud-based data sources.
• Develop and maintain data exchange solutions utilizing OPC-UA, MQTT, SQL, APIs, and other industrial integration technologies.
• Support plant initiatives requiring operational data visibility, reporting, analytics, and business system integration.
• Evaluate and recommend integration approaches that maximize scalability, maintainability, and reliability.
• Develop and maintain Ignition applications, dashboards, reports, and visualization solutions supporting plant operations and enterprise reporting.
• Design data collection, historian, and reporting architectures that support operational excellence and digital manufacturing initiatives.
• Support enterprise manufacturing data strategies and integration with analytics, reporting, and business intelligence platforms.
• Ensure Ignition and OT integration solutions align with corporate cybersecurity standards and industry frameworks including ISA-95, IEC 62443, and NIST.
• Partner with infrastructure and cybersecurity teams to support secure OT network architectures, remote access solutions, and connectivity standards.
• Participate in architecture reviews, risk assessments, and technology evaluations for manufacturing systems.
• Provide senior-level technical support for Ignition platforms and OT integration services impacting plant operations.
• Lead troubleshooting, root cause analysis, and corrective actions for complex application, integration, or communication issues.
• Support software upgrades, platform lifecycle management, disaster recovery planning, and technology refresh initiatives.
• Develop and maintain architecture standards, engineering documentation, implementation guides, and operational procedures.
• Review and approve system integrator and vendor designs to ensure alignment with enterprise standards and best practices.
• Serve as a subject matter expert for Ignition and OT integration technologies across the organization.
• Mentor engineers and integrator partners while supporting knowledge transfer and platform adoption across manufacturing sites.

• Bachelor's degree in Information Technology, Engineering, Computer Science, or equivalent experience.
• 7+ years of experience supporting industrial automation, SCADA, MES, OT systems, or manufacturing technology environments.
• 3+ years of hands-on experience designing, developing, or administering Inductive Automation Ignition solutions.
• Demonstrated experience delivering enterprise-scale OT integration or industrial software projects.
• Strong understanding of industrial control systems, SCADA platforms, HMI technologies, and manufacturing operations.
• Experience with Ignition development, administration, architecture, and lifecycle management.
• Experience integrating industrial systems using OPC-UA, MQTT, SQL databases, APIs, and related technologies.
• Working knowledge of historian platforms, MES applications, and manufacturing data architectures.
• Strong understanding of industrial networking, virtualization, and IT/OT infrastructure concepts.
• Knowledge of OT cybersecurity principles and industrial security frameworks.
• Experience supporting highly available industrial systems and production-critical applications.

• Highly competitive base pay
• Comprehensive medical, dental and disability benefits programs
• Group retirement savings program
• Health and wellness programs
• An inclusive culture that values opportunity for growth, development, and internal promotion