Senior OT Security Engineer — ICS/Industrial Cyber Defense

Allergan; Dublin; Hybrid; EUR 110,000 - 150,000; Full time

Job summary

AbbVie is seeking a Senior OT Security Engineer to design, assess, harden, and support OT/ICS environments across manufacturing and research operations. You will embed cybersecurity best practices, driving secure-by-design principles and risk reduction in high-stakes industrial settings.

The role requires deep OT cybersecurity expertise, cross-functional leadership, and the ability to work autonomously while aligning with AbbVie’s standards and strategic initiatives.

Qualifications

• Understanding of OT/ICS environments in regulated industries.
• Ability to design and draw OT network architectures and diagrams.
• Experience communicating with cross-functional teams and management.

Responsibilities

• Conceive, design, engineer, and implement OT security solutions across manufacturing and research operations.
• Lead OT cybersecurity assessments and threat/hardening activities.
• Provide guidance on OT security, risk, and compliance to stakeholders; mentor team members.

Skills

OT/ICS security knowledge

OT network design

Effective communication

Leadership

Security assessments

Education

Bachelor’s degree in a related field

Master’s degree in a related field

PhD

Job description

AbbVie is seeking a Senior OT Security Engineer to design, assess, harden, and support OT/ICS environments across manufacturing and research operations. You will embed cybersecurity best practices, driving secure-by-design principles and risk reduction in high-stakes industrial settings.

The role requires deep OT cybersecurity expertise, cross-functional leadership, and the ability to work autonomously while aligning with AbbVie’s standards and strategic initiatives.