Industrial OT Network Engineer – Manufacturing (99.5% Uptime)

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

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.