Sr. OT Network Engineer
About The Position
TrueNet Communications is 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 is a key technical resource and liaison among IT, plant engineering, production engineering, and business stakeholders, helping deliver secure and efficient OT network solutions with minimal disruption to operations. Duties may vary depending on management. The role calls for a hands-on network professional with OT and enterprise networking experience, the ability to work in industrial environments, and a collaborative approach to supporting technical teams and non-technical stakeholders. The technology scope includes enterprise LAN/WAN and OT networks; segmentation and secure network design; IDMZ architecture; firewalls; VLANs, routing, switching, and redundancy; network monitoring and troubleshooting; industrial wireless; high-availability design; plant-floor, automation, and edge-connected systems; industrial connectivity and protocols; and secure remote access.
Requirements
- 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, including 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.
Nice To Haves
- 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 or security credentials.
- Experience developing network standards, deployment procedures, or architecture guidance for OT environments.
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 deployment, commissioning, and ongoing support of OT network infrastructure.
- Support the design and implementation of secure, resilient network architectures for industrial and manufacturing environments.
- Incorporate OT cybersecurity requirements into network solutions, including segmentation, IDMZ, and access control practices.
- Troubleshoot and resolve complex network issues affecting plant and production operations.
- Provide escalation support for network incidents and coordinate resolution with internal teams and vendors as needed.
- Assist with OT network standards, implementation practices, and documentation.
- 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.
- Work with stakeholders to translate business and production requirements into effective network solutions.
Benefits
- Competitive salaries
- Excellent benefits
- 401k
- Paid time off
- Paid holidays
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Education Level
No Education Listed
