Sr. OT Network Engineer

TrueNet Communications, a 1Finity Company; Liberty (NC); On-site; USD 120,000 - 170,000; Full time

Benefits offered by this job

Competitive salary

Excellent benefits

401(k)

Paid time off

Paid holidays

Job summary

TrueNet Communications is seeking a Sr OT Network Engineer to design, deploy, and sustain OT network infrastructure for a manufacturing environment. This onsite role serves as the technical lead, coordinating IT, plant engineering, and operations to deliver secure, reliable networks with minimal production disruption.

You will drive deployment, commissioning, and ongoing support of OT networks, ensure resilient designs, and mentor staff on OT networking fundamentals and security practices.

Qualifications

• 10+ years of progressive network engineering experience.
• Experience supporting OT, industrial, or manufacturing network environments.
• Strong knowledge of enterprise networking and secure network design.
• Demonstrated ability to support onsite operations and collaborate across IT and plant teams.
• Experience troubleshooting complex network issues in high-availability environments.
• Strong communication and interpersonal skills for technical and non-technical stakeholders.
• Experience supporting deployments, maintenance windows, cutovers, and operational support activities.
• Ability to train and mentor support personnel and operational teams.

Responsibilities

• Serve as onsite network technical lead for OT initiatives and escalations.
• Partner with IT, plant engineering, production engineering, maintenance, and business teams to support network requirements.
• Lead deployment, commissioning, and ongoing support of OT network infrastructure.
• Design and implement secure, resilient network architectures for industrial environments.
• Ensure OT cybersecurity requirements are included in network solutions (IDMZ, segmentation, access control).
• Troubleshoot and resolve complex network issues affecting operations.
• Provide escalation support and coordinate with internal teams and vendors for resolutions.
• Mentor local IT support and operational staff on OT network fundamentals and troubleshooting.
• Contribute to project planning, cutovers, and maintenance activities.

Skills

OT network engineering

On-site operations

Enterprise networking

Secure network design

OT cybersecurity

Troubleshooting

Mentoring/training

Project delivery

Education

CCNA

CCNP

CISSP

Job description

We are seeking a highly skilled Sr OT Network Engineer to support the design, deployment, and ongoing reliability of Operational Technology network infrastructure in a manufacturing environment. This onsite role serves as a key technical resource and liaison between IT, plant engineering, production engineering, and business stakeholders to ensure OT network solutions are delivered securely, efficiently, and with minimal disruption to operations.

This is meant to be a guide. (Duties may vary dependent upon management.

Key Responsibilities

• Serve as the onsite network technical lead for OT-related initiatives and escalations
• Partner with IT, plant engineering, production engineering, maintenance, and business teams to support network requirements and project delivery
• Lead the deployment, commissioning, and ongoing support 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
• Troubleshoot and resolve complex network issues impacting plant and production operations
• Provide escalation support for network incidents and coordinate issue resolution with internal teams and vendors as needed
• 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

Technology Scope

• Enterprise LAN/WAN networks
• OT / industrial network environments
• Network segmentation and secure network design
• IDMZ architecture
• Firewalls and secure connectivity
• VLANs, routing, switching, and redundancy
• Network monitoring and troubleshooting
• Wireless networking in industrial or manufacturing settings
• High availability network design
• Support for plant-floor, automation, and edge-connected systems
• Industrial network connectivity and protocols
• Remote access and secure support patterns

Required Qualifications

• 10+ years of progressive network engineering experience
• Experience supporting OT, industrial, or manufacturing network environments
• Strong knowledge of enterprise networking and secure network design
• Demonstrated ability to support onsite operations and collaborate across IT and plant teams
• Experience troubleshooting complex network issues in high-availability environments
• Strong communication and interpersonal skills, with the ability to work effectively with technical and non-technical stakeholders
• Experience supporting deployments, maintenance windows, cutovers, and operational support activities
• Ability to train and mentor support personnel and operational teams
• Strong ownership mindset and ability to drive tasks through completion

Preferred Qualifications

• Experience in manufacturing, industrial, or plant-floor environments
• Familiarity with OT cybersecurity concepts, IDMZ, and segmentation strategies
• Experience with automation, controls, or industrial systems networking
• Background supporting large-scale OT network deployments or plant modernization efforts
• Experience working with production engineering, maintenance, and operations teams
• Certifications such as CCNA, CCNP, CISSP, or other networking/security credentials
• Experience developing network standards, deployment procedures, or architecture guidance for OT environments

TrueNet Communications is a national infrastructure engineering and specialty contractor serving the wireless, broadband, and telecommunications markets. We plan, design, build and support communications infrastructure for our clients across North America. Join our team of professionals where you can advance your career in a fast pace, GROWING industry! We offer competitive salaries, excellent benefits, 401k, paid time off and paid holidays!

All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity, gender expression, sexual orientation, national origin, genetics, disability, age or veteran status.

TrueNet is an Equal Opportunity Employer of Minorities, Females, Individuals with Disabilities and Protected Veterans.

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We are interested in every qualified candidate who is eligible to work in the United States. However, we are not able to sponsor visas for this position (H1B, etc.).