Senior OT Network Engineer — Industrial Networking & Security

▶︎ Job Details
・

Job Title:

Sr. OT Network Engineer
・Client:
Japanese IT company
・Working

Location:

Princeton, Indiana OR Liberty, North Carolina
・Working style： Onsite
・

Employment Type:

Contract W-2
・Visa Support: N/A
・

Working Hours:

Standard business hours; occasional after-hours or weekend work may be required
・Language:
English

▶

Key Responsibilities:



• Serve as the onsite network engineer for OT-related initiatives.

• Lead the deployment and adoption of OT network infrastructure.

• Support the design and implementation of secure, resilient network architectures for industrial and manufacturing environments.

• Ensure OT cybersecurity requirements are incorporated into network solutions, including segmentation, IDMZ, and access control practices.

• Provide escalation support for network incidents and coordinate issue resolution with internal teams and vendors.

• Assist with network standards, implementation practices, and documentation for OT environments.

• Mentor and train local IT support teams and operational staff on OT network fundamentals and troubleshooting.

• Contribute to project planning, cutovers, maintenance activities, and operational readiness.

• Collaborate with stakeholders to translate business and production requirements into effective network solutions.

▶︎The right candidate will possess:

• Strong hands-on experience in enterprise and OT networking within manufacturing or industrial environments.

• Strong knowledge of LAN/WAN, VLANs, routing, switching, redundancy, firewalls, secure connectivity, and network segmentation.

• Experience with IDMZ architecture, high-availability network design, and OT cybersecurity practices.

• Experience supporting plant-floor, automation, edge-connected systems, and industrial network connectivity.

• Strong troubleshooting skills and the ability to support high-availability production environments.

• Strong communication skills and the ability to collaborate with IT, plant engineering, operations, and non-technical stakeholders.

• Ability to train and mentor local support personnel and operational teams.

▶︎Required

Qualifications & Skills:



• Bachelor’s degree in Electrical Engineering, Computer Engineering, Computer Science, or a related field; and/or commensurate work experience.

• 10+ years of progressive network engineering experience.

• Experience supporting OT, industrial, or manufacturing network environments.

• Strong knowledge of enterprise networking and secure network design.

• Experience troubleshooting complex network issues in high-availability environments.

• Experience supporting deployments, maintenance windows, cutovers, and operational support activities.

• Experience with industrial or manufacturing wireless networking.

• Familiarity with automation, controls, or industrial systems networking is preferred.

• Experience supporting large-scale OT network deployments or plant modernization is preferred.

• CCNA, CCNP, CISSP, or other networking/security certifications are preferred.

• Limited travel may be required.