Senior OT Network Engineer — Lead Industrial Networking & Security

TEKsystems; Jackson (TN); On-site; USD 90,000 - 99,000; Full time

Benefits offered by this job

Medical, dental & vision

401(k) Retirement Plan – Pre-tax and R

Life Insurance (Voluntary Life & AD&D)

Short and long-term disability

HSA

Job summary

TEKsystems in Jackson, TN is seeking a Senior OT Network Engineer to lead design, deployment, and sustainment of secure OT networks across manufacturing environments. This hands-on leadership role bridges operations and IT to enable automation and digital transformation.

You will collaborate with Process/Automation Engineers, IT, and InfoSec to architect industrial networking solutions, manage risk, and drive uptime and connectivity across plants.

Qualifications

• Bachelor’s degree in CS/Engineering/IT or equivalent experience.
• 7+ years in network engineering within manufacturing environments.
• Experience with cross-functional teams: Operations, IT, Security.
• Strong OT security experience: segmentation and firewalls.

Responsibilities

• Design, configure, and deploy OT wired/wireless network infrastructure in production environments.
• Maintain and optimize industrial network performance, uptime, and security.
• Lead Tier 3 troubleshooting and root cause analysis of OT network incidents.
• Contribute to network architecture decisions, standards, and design blueprints.
• Partner with engineering teams to integrate ICS, SCADA, IIoT, and smart devices.
• Implement and manage network segmentation/zoning aligned to the Purdue Model.
• Align OT security with corporate policies and frameworks (ISA/IEC 62443, NIST).
• Manage and patch OT networking hardware (Cisco IE switches, firewalls, routers).
• Utilize tools like Cisco DNA Center, Industrial Network Director, Cyber Vision for monitoring and automation.
• Support network-related upgrades, migrations, and vendor coordination across plants.
• Maintain accurate documentation of topologies, configs, and operational procedures.
• Enable digital factory initiatives by securing edge device connectivity and infrastructure.

Skills

OT Network Engieering

Troubleshooting

Cisco switches

Education

Bachelor’s in Computer Science, Engineering, IT, or equivalent experience

Tools

Cisco DNA Center

Industrial Network Director

Cyber Vision

Job description

TEKsystems in Jackson, TN is seeking a Senior OT Network Engineer to lead design, deployment, and sustainment of secure OT networks across manufacturing environments. This hands-on leadership role bridges operations and IT to enable automation and digital transformation.

You will collaborate with Process/Automation Engineers, IT, and InfoSec to architect industrial networking solutions, manage risk, and drive uptime and connectivity across plants.