Senior IT Network Manager – OT & Cybersecurity

100249 Saia-Burgess LLC; Iowa (LA); On-site; USD 110,000 - 160,000; Full time

Job summary

Johnson Electric seeks an IT Network Manager to design, implement, and support secure, scalable network infrastructure across manufacturing operations. You will lead a on‑site team, drive enterprise and plant‑floor networking initiatives, and collaborate with global IT groups to ensure performance, reliability, and cybersecurity compliance.

You will manage WAN/LAN/OT networks, support Layer 2/3 protocols, and oversee critical security deployments while maintaining comprehensive documentation and

Qualifications

• Bachelor’s degree in Information Technology, Computer Science, or related field; equivalent experience.
• 7+ years of experience in IT infrastructure, networking, or architecture.
• 3+ years of experience supporting OT networks in a manufacturing environment.
• Strong expertise in routing, switching, firewalls, SD‑WAN, IP addressing, and cloud platforms (AWS, Azure).
• Cisco certifications (CCNA / CCNP / CCIE); CISSP strongly preferred.
• Experience supporting Windows Server and Linux environments.
• Strong troubleshooting, communication, and project leadership skills.
• Ability to work independently in a fast‑paced, on‑site manufacturing setting.

Responsibilities

• Designing and implementing scalable LAN, WAN, and GAN network architectures.
• Leading and mentoring a team of Network Administrators.
• Managing core and edge switching, OT networks, and Wi‑Fi access points.
• Implementing and supporting Layer 2 and Layer 3 network protocols.
• Designing and maintaining plant‑floor OT network segmentation, including tools such as Xona.
• Implementing enterprise cybersecurity solutions (Palo Alto, Fortinet, Zscaler, Microsoft Defender).
• Collaborating with global network teams to deploy and enforce infrastructure standards.
• Monitoring performance using tools such as Zabbix and proactively resolving risks.
• Supporting cybersecurity events and incident remediation.
• Ensuring compliance with TISAX, CMMC, and other security audit requirements.
• Leading or contributing to IT projects including upgrades, migrations, and new deployments.
• Maintaining detailed network documentation and operational procedures.
• Coordinating with external vendors and service providers.

Skills

Network leadership

Routing & Switching

Firewall & SD-WAN

Cloud platforms (AWS, Azure)

Troubleshooting & communication

Project leadership

Education

Bachelor’s degree in IT/CS or related field

Tools

Cisco certifications CCNA/CCNP/CCIE

Job description

Johnson Electric seeks an IT Network Manager to design, implement, and support secure, scalable network infrastructure across manufacturing operations. You will lead a on‑site team, drive enterprise and plant‑floor networking initiatives, and collaborate with global IT groups to ensure performance, reliability, and cybersecurity compliance.

You will manage WAN/LAN/OT networks, support Layer 2/3 protocols, and oversee critical security deployments while maintaining comprehensive documentation and