OT Network Engineer - Manufacturing Operations

RIM Recruitment Professionals; Humboldt (TN); On-site; USD 104,000 - 163,000; Full time

Benefits offered by this job

Comprehensive benefits package

Retirement and savings programs

Tuition reimbursement and ongoing培训

Paid volunteer time

Job summary

RIM Recruitment Professionals seeks an OT Network Engineer to support a West Tennessee manufacturing facility, owning the plant-floor OT network and driving security, reliability, and uptime in a fast-paced industrial environment.

You will collaborate with Automation, IT, Information Security, Operations, and Vendors on PLC/SCADA/HMI connectivity, network segmentation, and Industry 4.0 initiatives. Onsite role, with up to 10% travel.

Qualifications

• Bachelor's degree in IT/CS/Engineering/Industrial Technology or equivalent experience.
• 3–7 years in network engineering, administration or infrastructure support.
• ≥2 years supporting manufacturing/OT environments.
• Working knowledge of industrial protocols: OPC, Modbus, PROFINET, CIP, DNP3.
• CCNA or ability to obtain within 12 months of hire.
• CCNP or equivalent advanced networking certification.
• Familiarity with OT security monitoring tools such as Cisco Cyber Vision.
• Knowledge of ISA/IEC 62443 cybersecurity concepts.
• Nice to have Cisco IE, Firepower, ISE or Catalyst Center experience.
• Strong communication and problem-solving skills.

Responsibilities

• Own the design, configuration, deployment, and support of plant-floor network infrastructure.
• Monitor performance and keep critical manufacturing networks running at 99.5%+ uptime.
• Troubleshoot and resolve OT network issues with minimal disruption to production.
• Partner with Automation Engineers to support connectivity for PLCs, SCADA, HMIs, and industrial control systems.
• Implement and maintain network segmentation based on the Purdue Model and corporate security standards.
• Support OT cybersecurity efforts including vulnerability remediation, patching, secure remote access, and hardening.
• Maintain network diagrams, documentation, configuration backups, and disaster recovery procedures.
• Handle lifecycle management, upgrades, and firmware updates, and support plant expansions and Industry 4.0 initiatives.
• Coordinate with equipment manufacturers, technology vendors, and system integrators.

Skills

Ethernet

Routing & Switching

Wireless

Firewalls

VPN

OT networking

OPC/Modbus/PROFINET

Cybersecurity concepts

Cisco IE/Firepower

ISE or Catalyst Center

Cyber Vision

ISA/IEC 62443

CCNP

CCNA

Education

Bachelor's degree in IT/CS/Engineering/Industrial Technology

Job description

About the Company

Our client is a well-established, nationally recognized manufacturer of consumer products with a strong commitment to quality, innovation, and continuous improvement. They are investing heavily in smart-factory and Industry 4.0 technology and are adding an OT Network Engineer to support one of their high-volume manufacturing facilities in West Tennessee.

The Opportunity

The OT Network Engineer will be the primary technical owner of the Operational Technology (OT) network at the plant, keeping industrial networks secure, reliable, and available for production. You will work closely with Automation Engineering, IT, Information Security, Operations, and Maintenance, as well as outside vendors and integrators. This is a hands-on role with exposure to modern industrial networking, OT cybersecurity, and digital transformation projects.

What You Will Do

• Own the design, configuration, deployment, and support of plant-floor network infrastructure: switches, routers, firewalls, wireless, and remote access
• Monitor performance and keep critical manufacturing networks running at 99.5%+ uptime
• Troubleshoot and resolve OT network issues with minimal disruption to production
• Partner with Automation Engineers to support connectivity for PLCs, SCADA, HMIs, and industrial control systems
• Implement and maintain network segmentation based on the Purdue Model and corporate security standards
• Support OT cybersecurity efforts including vulnerability remediation, patching, secure remote access, and hardening
• Maintain network diagrams, documentation, configuration backups, and disaster recovery procedures
• Handle lifecycle management, upgrades, and firmware updates, and support plant expansions and Industry 4.0 initiatives
• Coordinate with equipment manufacturers, technology vendors, and system integrators

What You Bring

• Bachelor's degree in IT, Computer Science, Engineering, Industrial Technology, or related field (equivalent experience considered)
• 3-7 years of experience in network engineering, network administration, or infrastructure support
• At least 2 years supporting manufacturing, industrial, or OT environments
• Hands-on experience with Ethernet, routing, switching, wireless, firewalls, and VPN
• Working knowledge of industrial protocols such as OPC, Modbus, PROFINET, CIP, and DNP3
• CCNA, or the ability to obtain it within 12 months of hire
• Strong communication and problem-solving skills
• Nice to Have Cisco Industrial Ethernet (IE), Firepower, ISE, or Catalyst Center experience
• Familiarity with OT security monitoring tools such as Cisco Cyber Vision
• Knowledge of ISA/IEC 62443 cybersecurity concepts
• CCNP or equivalent advanced networking certification

Compensation & Benefits

• Base salary: $103, 700 - $163, 020 depending on experience
• Comprehensive benefits package
• Retirement and savings programs and incentive plans
• Tuition reimbursement and ongoing training
• Paid volunteer time and a collaborative, team-focused culture

Onsite role in a manufacturing environment with occasional travel (up to 10%) to other facilities.

Location: Humboldt, TN area | Onsite | Direct Hire

#RIMUS #Chuck Hennemann