IT Network Leader

Nemak; Sheboygan (WI); On-site; USD 90,000 - 150,000; Full time

Job summary

Nemak seeks a strategic OT cybersecurity and governance leader to unify IT/OT security, drive continuity planning, and boost plant-floor resilience. You will guide plant sites on Purdue/ISA-IEC 62443 alignment, oversee business continuity playbooks, and ensure secure, logged remote access with least-privilege controls.

You will lead and mentor OT specialists across the United States and Mexico, coordinating cross-functional incident response and strengthening critical production systems

Qualifications

• Bachelor's degree in IT, computer science, mechatronics or related field.
• 5+ years in IT operations and OT governance with shop-floor experience preferred.
• 5+ years in leading and developing technical teams.
• Extensive knowledge of Purdue Model, ISA/IEC 62443, OT network segmentation.
• Proficiency with modern switching, firewalls and OT protocols.
• ISA/IEC 62443 Cybersecurity Expert certification is required.
• CCNP or equivalent and GICSP certifications helpful.
• Strong English communication; Spanish is a plus.
• Willingness to travel up to 25%.

Responsibilities

• Govern secure interconnection between OT and IT to ensure plant availability.
• Advise sites to align control networks with ISA/IEC 62443 and Purdue Model.
• Lead OT Business Continuity and Disaster Recovery playbooks.
• Audit network segmentation and maintain topology maps showing micro-segmentation.
• Act as technical authority for industrial switches, firewalls and security platforms.
• Develop OT asset inventory, vulnerability management and risk assessments.
• Manage OT vendors and system integrators with least-privilege access controls.
• Coordinate cross-functional incident response across maintenance, operations and security teams.
• Lead and develop OT specialists across the US and Mexico with guidance and tools.

Skills

IT Operations

OT governance

Shop-floor support

Team leadership

English communication

Spanish language asset

Travel availability

Leadership competencies

Education

Bachelor's degree in IT / CS / Mechatronics or related field

ISA/IEC 62443 Cybersecurity Expert certification

CCNP or equivalent

GICSP certification

Job description

Provide strategic governance and technical support to manufacturing plants so industrial networks meet IEC 62443 and Nemak OT cybersecurity requirements. This role safeguards the IT/OT interconnection, leads OT Business Continuity planning and strengthens plant-floor resilience, manual-operation readiness and the availability of mission-critical production systems

Main Responsibilities:

• Manage the secure interconnection between plant Operational Technology environments and corporate IT resources, prioritizing plant-floor availability and production continuity.
• Advise manufacturing sites so local control networks align with ISA/IEC 62443, the Purdue Model and Nemak OT cybersecurity requirements.
• Lead the OT Business Continuity and Disaster Recovery playbook, including production survivability, rapid recovery and manual-operation protocols.
• Audit plant network segmentation using Zones and Conduits and maintain accurate topology maps that demonstrate micro-segmentation effectiveness.
• Serve as the technical authority for industrial switches, firewalls and security platforms that bridge IT and OT environments.
• Establish a standardized framework for OT asset inventory, vulnerability management and OT-specific risk assessments across sites.
• Manage specialized OT vendors and system integrators, ensuring secure, logged remote access and adherence to least-privilege principles.
• Coordinate cross-functional incident response among plant maintenance, operations, IT and corporate security teams.
• Lead and develop OT specialists across Mexico and the United States, providing standards, tools and technical guidance to manufacturing locations

Position Requirements

• Bachelor's degree in Information Technology, Computer Science, Mechatronics or a related field.
• At least 5 years of experience in IT Operations and OT governance; experience in shop-floor technical support and IT systems is desirable.
• At least 5 years of experience leading and developing technical teams.
• Deep knowledge of the Purdue Model, ISA/IEC 62443, industrial network segmentation, modern switching, firewall concepts, OT protocols and Business Continuity/Disaster Recovery.
• ISA/IEC 62443 Cybersecurity Expert certification is required.
• Cisco Certified Network Professional (CCNP) or equivalent and Global Industrial Cyber Security Professional (GICSP) certifications are desirable.
• Good English Communication skills, Spanish an asset
• Availability to travel up to 25%.
• Leadership competencies: strategic vision, change management, customer focus, results orientation, collaboration, influence and persuasion, assertiveness, innovation, global perspective and people development.