OT Security Tech Lead — Industrial Control & Networks

Lincoln Electric; Euclid (OH); On-site; USD 125,000 - 155,561; Full time

Job summary

Lincoln Electric in Euclid is seeking an Information Security Technical Lead I - OT to guide cybersecurity for OT/MES environments. The role combines strategic planning with hands-on implementation, partnering with plant operations, engineering, and IT to strengthen segmentation, secure architecture, and threat response.

The candidate will manage vulnerabilities, lead incident response during on-call rotations, and drive continuous improvement across hybrid networks, with a strong emphasis on

Qualifications

• Bachelor’s degree in Cybersecurity, IT, Engineering or related field.
• 10+ years OT and industrial control systems cybersecurity experience.
• Experience with OT tools and MES networking.
• Familiarity with IEC-62443, NIST standards.
• Ability to collaborate across IT, engineering and operations.

Responsibilities

• Lead OT cybersecurity strategy for OT/MES environments.
• Collaborate with operations and engineering to apply secure solutions.
• Implement secure baselines and evaluate configurations.
• Remediate vulnerabilities in PLCs, HMIs and network devices.
• Support incident response and audit/compliance activities.
• Drive threat detection and telemetry integration.

Skills

OT cybersecurity

Industrial networks

Network security fundamentals

VLANs & firewalls

MES interfaces

Threat detection

Education

Bachelor’s degree in Cybersecurity / IT / Engineering

Tools

Cisco

Clarity

Rockwell FactoryTalk

Asset visibility tools

Job description

Lincoln Electric in Euclid is seeking an Information Security Technical Lead I - OT to guide cybersecurity for OT/MES environments. The role combines strategic planning with hands-on implementation, partnering with plant operations, engineering, and IT to strengthen segmentation, secure architecture, and threat response.

The candidate will manage vulnerabilities, lead incident response during on-call rotations, and drive continuous improvement across hybrid networks, with a strong emphasis on