OT Security Specialist in Leoben

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AT&S is a

leading global manufacturer of high-end IC substrates and printed circuit boards . AT&S industrializes leading-edge technologies for its core business segments Mobile Devices & Substrates, Automotive & Aerospace, Industrial and Medical and high-performance computing for AI applications. We are looking for talent eager to

shape the future of our interconnected world . With plants in Austria, China, India, Malaysia and sales offices around the globe, we offer excellent career opportunities for creators, innovators and enablers with the drive to make a difference.

To enhance our successful

Information TechnologiesTeam

in Leoben, Austria , we are looking for a passionate

Senior OT Security Specialist In this role, you will drive the evolution of cybersecurity and infrastructure capabilities across our global manufacturing landscape. By combining technical expertise with a strong understanding of industrial operations, you will help ensure secure, resilient and future‑ready production environments.

Your Responsibilities

Design, implement and maintain secure infrastructure solutions across global manufacturing environments, including network segmentation, zones and conduits, industrial firewalls, remote access, monitoring and secure connectivity

Translate cybersecurity policies, architecture principles and industry standards into practical technical designs, configurations and operating procedures

Perform security assessments, identify vulnerabilities and risks, and coordinate remediation activities with engineering teams, suppliers and system owners

Support the secure lifecycle management of manufacturing systems, including hardening, patching, backup and recovery, identity and access management, and controlled third‑party access

Implement and operate cybersecurity capabilities that enhance visibility, monitoring and protection across production environments

Contribute to projects and system changes by providing cybersecurity and infrastructure expertise, reviewing designs and ensuring security requirements and operational handover activities are completed

Support incident analysis, containment, recovery and root‑cause investigations while helping to ensure secure and reliable manufacturing operations

Maintain technical documentation, architecture records and compliance evidence, and support audits, recovery exercises and continuous improvement initiatives

Your Profile

Degree in Information Technology, Automation, Electrical Engineering, Cybersecurity, or a comparable technical field

Several years of experience securing and supporting industrial infrastructure, manufacturing environments, or other business‑critical systems

Hands‑on experience with network security, remote access solutions, system hardening, vulnerability management, backup and recovery, and incident response

Strong understanding of cybersecurity principles, risk assessment methodologies, and secure infrastructure design

Experience working across multidisciplinary teams, coordinating with engineering, infrastructure, cybersecurity specialists and external partners

Ability to independently drive complex technical initiatives while balancing security requirements with operational continuity

Knowledge of ISA/IEC 62443, NIST, or comparable industrial cybersecurity frameworks is considered an advantage

Strong analytical thinking, structured communication skills, and a proactive, solution‑oriented mindset

Fluent English skills are required; German skills are considered an advantage

Our Offer

A meaningful role with opportunities for long‑term growth in an international environment

Chance to actively contribute to AT&S´ success and to create value

A structured and tailor‑made onboarding program along with continual training opportunities

Modern company canteen with freshly prepared meals every day

Free parking spaces and e‑charging stations

Diverse health measures and a wide range of employee benefits

AT&S is an equal opportunity employer. We embrace diversity and are dedicated to empowering people to reach their potential by fostering their unique talents and strengths.The employment is in accordance with the Austrian Collective Agreement for the Electrical and Electronics Industry , employment group G, and we offer competitive salaries and additional benefits based on your performance, experience and qualification.

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