Operational Technology Network Engineer
Company: Charter Manufacturing Co., Inc.
Location: Saukville
Posted on: July 1, 2025
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Job Description:
Charter Manufacturing is a fourth-generation family-owned
business where our will to grow drives us to do it better. Join the
team and become part of our family! NEW ROLE! Charter Steel is
hiring an Operation Technology Network Engineer in Saukville WI or
Cleveland OH! Charter Steel is a leading American supplier of
carbon and alloy steel bar, rod and wire products, and the largest
steel coil processor in North America. As a fully integrated
steelmaker with locations in Ohio and Wisconsin, Charter Steel
offers a full range of grade and size coiled products and vast
technical service experience.Charter Steel is a member of the
Charter Manufacturing family of companies. Job summary: The OT
Network Engineer will be responsible for designing, implementing,
and maintaining industrial network infrastructure to ensure
seamless communication between Operational Technology (OT) and
Information Technology (IT) systems. This role supports smart
factories, automation systems, and industrial control networks,
with a strong emphasis on security, reliability, and compliance
with industry regulations. The engineer will collaborate closely
with production teams, maintenance personnel, IT staff, and
cybersecurity professionals to maintain a secure and efficient
manufacturing environment. Position specifics: Location: Saukville
WI or Cleveland OH Schedule: Hybrid role, 3 days per week in the
office Travel: Up to 5% travel between Saukville WI and Cleveland
OH Relocation: Benefits available Key responsibilities: Network
Architecture & Integration Design and deploy industrial network
architectures supporting MES, SCADA, PLCs, HMIs, and IIoT.
Configure and maintain industrial Ethernet, VLANs, and segmented
networks. Integrate OT and IT networks to enable secure data flow
between production and enterprise systems. Apply zero-trust
architecture to secure PLCs, robots, IoT devices, and SCADA
components. System Monitoring & Performance Develop tools and teams
for continuous monitoring of OT network traffic, latency, and
uptime. Optimize network performance for high availability and
real-time machine communication. Diagnose and resolve plant issues
related to latency, interference, and other network root causes.
Security & Compliance Ensure compliance with ISA/IEC 62443, NIST,
and ISO 27001 standards. Conduct security audits, vulnerability
assessments, and manage patching for industrial systems. Develop
and maintain incident response plans for network failures and cyber
threats. Implement backup and recovery strategies for network
configurations. Operational Support & Troubleshooting Provide
technical escalation support for plant engineers, maintenance, and
IT teams. Troubleshoot automation system connectivity issues in a
24/7/365 environment. Support integration of new plant equipment
through architecture and device configuration. Documentation &
Change Management Maintain network diagrams, security policies, and
compliance documentation. Document configurations, change
management records, and troubleshooting guides. Assess and develop
Management of Change (MoC) processes for OT systems. Data & System
Integration Support data architecture across SCADA, MES, ERP, and
business intelligence systems. Implement critical system solutions
in continuous operation environments. What you’ll need: Bachelor’s
degree in computer science, Network Engineering, Industrial
Automation, Electrical Engineering, or a related field. 5 years of
experience in network administration, IT/OT systems, or industrial
automation consisting of PLC, I/O, IIOT, Thin Clients, Managed
Switches, and other ICS network components in manufacturing.
Understanding of network fundamentals, including TCP/IP, VLANs,
DNS, DHCP, routing, and switching. 3 years of experience with
industrial network protocols (e.g., Modbus, EtherNet/IP, Profinet,
OPC UA, DNP3). 3 years of experience with integration of firewalls,
VPNs, IDS/IPS, and network security principles. Understanding of
cybersecurity concepts and risk management for OT environments.
Experience with network troubleshooting tools such as Wireshark,
SNMP monitoring, or NetFlow. Nice to have: 6 years of experience in
network administration, IT/OT systems, or industrial automation
consisting of SCADA, PLC, I/O, IIOT, Thin Clients, Managed
Switches, and other ICS network components in manufacturing.
Industrial Control System (ICS) certifications Cisco Certified
Network Associate (CCNA) – Industrial ISA/IEC 62443 Cybersecurity
Certification GIAC Global Industrial Cyber Security Professional
(GICSP) CompTIA Network or Security Certified Information Systems
Security Professional (CISSP) (Preferred for cybersecurity-focused
roles) Apply today! Join us to tailor your career path and make a
significant impact! LI-PF1 LI-HYBRID CharterManufacturing
CharterCareers OneFamilyOneTeam We offer comprehensive health,
dental, and vision benefits, along with a 401(k) plan that includes
employer matching and profit sharing. Additionally, we offer
company-paid life insurance, disability coverage, and paid time off
(PTO).
Keywords: Charter Manufacturing Co., Inc., Orland Park , Operational Technology Network Engineer, IT / Software / Systems , Saukville, Illinois
