Technical Support Engineer (OT)

OWENS CORNING CORPORATE SERVICES LLC • Toledo, OH • 1d ago

Technical Support Engineer (OT)
Location(s):
Toledo, OH, US, 43659-0001
Function:
Information Technology
Audience:
Experienced Professional
Work Arrangement:
Hybrid
Requisition ID:
68255
PURPOSE OF THE JOB
The Technical Support Engineer - Operational Technology (OT) is a handson technical specialist responsible for the reliability, performance, and OT network and firewall infrastructure across manufacturing facilities. The role focuses on incident response, maintenance, and proactive monitoring of OT networks and firewalls in close collaboration with plant engineers, IT/OT teams, and external vendors.
Operating in a dynamic manufacturing environment, the engineer executes standard support processes to resolve network issues, maintain cybersecurity compliance, and continuously improve operational procedures.
Success in this role requires strong foundational knowledge of OT networking and firewalls, along with a collaborative, servicefocused mindset.
Reports to: GIS Director, Manufacturing Security & Infrastructure
Span of Control: Individual contributor
JOB RESPONSIBILITIES
Knowing Our Businesses and their Strategies
Develop and maintain a strong understanding of Owens Corning specific business processes and operations locally and globally
Build relationships within the organization, cross-functionally, and with key business stakeholders; continuously enhance connection to remain aligned with core objectives
Understand how IT/OT Security and services are directly aligned with the company's strategic objectives by regularly engaging with key business stakeholders
Executing Strategy
Maintenance and Troubleshooting
Respond to incidents, requests, alerts, and outages to minimize operational downtime
Perform preventive and corrective maintenance on OT network devices and firewalls
Troubleshot OT network and security issues in collaboration with plant engineers, IT/OT teams, and vendors
Review firewall and network logs; perform root cause analysis (RCA) and document findings for incidents
Provide handson support and maintain playbooks for key OT network and security platforms (e.g., Palo Alto)
Deliver metrics, monthly performance dashboards, and guidance on network health and monitoring tools
Security/Network Performance Monitoring
Monitor OT network and firewall performance using tools such as PRTG and NCM
Configure dashboards, metrics, and alerting for plant and regional stakeholders
Proactively identify and remediate misconfigurations, vulnerabilities, and performance issues
Monitor network availability, utilization, throughput, latency, and OT backup solutions
Manage and prioritize servicelevel tickets; escalate issues as needed
Validate compliance with cybersecurity and network standards
Partner with SOC and vendors to ensure systems are patched, updated, and aligned with supported code versions
Standards and Processes
Define, maintain, and continuously improve OT network and firewall SOPs
Execute firewall and OT network change management, including impact assessment, testing, and rollback planning
Support vendor platform oversight to minimize operational disruption
Collaborate with plant teams and equipment vendors to understand network designs and change risk
Oversee firewall commissioning and lifecycle management, including policy alignment, optimization, and cleanup
Service Excellence
Deliver consistent, reliable service aligned with service level expectations
Collaborate with IT/OT support teams, produ

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