IT Network Manager - OT/Enterprise Security Lead (Onsite)

Johnson Electric; Vandalia (OH); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Sign-on bonus: $10,000

Job summary

Johnson Electric is seeking an IT Network Manager to design, implement, and support scalable network infrastructure for our manufacturing operations. This on-site role collaborates with global IT teams to ensure performance, reliability, and cybersecurity across enterprise and plant-floor systems.

The successful candidate will lead a team of Network Administrators, manage core and edge switching, OT networks, and Wi‑Fi, and drive adherence to security standards and audits in a fast-paced

Qualifications

• Bachelor’s degree in Information Technology, Computer Science, or a related field (or 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.

Responsibilities

• Designing and implementing scalable LAN, WAN, and OT 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

Routing & switching

Firewalls

SD-WAN

IP addressing

Cloud platforms (AWS, Azure)

Cisco certifications (CCNA/CCNP/CCIE)

CISSP preferred

Windows Server & Linux

Troubleshooting & leadership

Education

Bachelors in IT/CS or related

Equivalent experience

Tools

Xona

Zabbix

Palo Alto

Fortinet

Zscaler

Microsoft Defender

Windows Server

Linux

Job description

Johnson Electric is seeking an IT Network Manager to design, implement, and support scalable network infrastructure for our manufacturing operations. This on-site role collaborates with global IT teams to ensure performance, reliability, and cybersecurity across enterprise and plant-floor systems.

The successful candidate will lead a team of Network Administrators, manage core and edge switching, OT networks, and Wi‑Fi, and drive adherence to security standards and audits in a fast-paced