OT/ICS Network Engineer - Secure, Global Manufacturing

Owens Corning; Granville Township (OH); On-site; USD 110,000 - 150,000; Full time

Job summary

Owens Corning is seeking an OT Network Engineer to deploy and secure industrial networks across its manufacturing footprint. You will lead MDRA deployments, assess current-state networks, and translate architecture strategies into practical site solutions that improve connectivity and operational performance.

You will collaborate with plant teams, engineering, cybersecurity, and IT to embed security into network design, ensure availability, and support digital manufacturing initiatives across

Qualifications

• Bachelor's degree in network engineering, computer science, IT, electrical/controls, or related field; equivalent experience considered.
• 3–5 years designing, implementing, and supporting enterprise/industrial networks incl. OT/industrial automation.
• Experience with industrial protocols and secure network design and deployment.

Responsibilities

• Implement secure industrial network solutions across Owens Corning manufacturing sites, including switching, routing, firewalls, wireless, and remote connectivity.
• Produce detailed logical and physical designs, IP/VLAN plans, firewall/access requirements, and turnover documentation.
• Apply defense-in-depth, segmentation, zones, secure management, and least privilege connectivity while considering safety requirements.
• Partner with controls and automation engineers to support industrial protocols, PLCs, HMIs, historians, and edge devices.
• Plan and execute changes in active manufacturing environments with risk assessment, validation, and production handoff.
• Monitor network health, provide Tier 3 support for complex OT incidents, and maintain lifecycle records and playbooks.

Skills

OT Network Engineering

Industrial networks

Cybersecurity integration

Purdue-model concepts

ISA/IEC 62443

NIST CSF

Vendor management

Cisco CCNA

Education

Bachelor's degree in networking or related field

Tools

NCM

PRTG

Wireshark

Cisco IOS / networking gear

Job description

Owens Corning is seeking an OT Network Engineer to deploy and secure industrial networks across its manufacturing footprint. You will lead MDRA deployments, assess current-state networks, and translate architecture strategies into practical site solutions that improve connectivity and operational performance.

You will collaborate with plant teams, engineering, cybersecurity, and IT to embed security into network design, ensure availability, and support digital manufacturing initiatives across