Senior OT Security Specialist

At S; Leoben; On-site; EUR 90,000 - 120,000; Full time

Benefits offered by this job

Onboarding program

Canteen

Parking & e-charging stations

Employee benefits

Health measures

Job summary

AT&S in Leoben, Austria is seeking a Senior OT Security Specialist to drive cybersecurity and infrastructure across our global manufacturing landscape. You will translate security requirements into practical designs and help secure production environments.

The role demands hands‑on experience with network security, hardening, vulnerability management, incident response and working with multidisciplinary teams.

Qualifications

• Degree in IT/automation/EE/cybersecurity or equivalent.
• Several years securing industrial infrastructure and critical systems.
• Hands-on with network security, remote access, hardening and incident response.
• Knowledge of ISA/IEC 62443, NIST or similar frameworks is a plus.

Responsibilities

• Design, implement and maintain secure infrastructure across global manufacturing.
• Translate policies into practical designs and operating procedures.
• Perform security assessments, identify risks and coordinate remediation.
• Support lifecycle management including patching, backup and access control.
• Improve visibility and protection across production environments.
• Contribute to projects with cybersecurity and infra expertise.
• Assist in incident analysis, containment and root-cause investigations.

Skills

Network security

Remote access solutions

System hardening

Vulnerability management

Incident response

English and German fluency

Education

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

Job description

Leoben, AT

Oct 14, 2026

18251

Be part of our team!

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 Technologies Team 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 and German skills are required;

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.