Senior OT Security Specialist

Austria Technologie & Systemtechnik AG; Osterreich; Hybrid; PEN 328,000 - 424,000; Full time

Benefits offered by this job

Growth opportunities

Onboarding program

Canteen on site

Parking & e-charging

Health measures & employee benefits

International environment

Job summary

AT&S Austria Technologie & Systemtechnik AG in Leoben, Austria is seeking a Senior OT Security Specialist to drive the evolution of cybersecurity and infrastructure capabilities across our global manufacturing landscape. You will combine technical expertise with an understanding of industrial operations to ensure secure, resilient production environments.

You will design, implement and operate secure infrastructure, perform risk assessments, and coordinate remediation activities with engineering

Qualifications

• 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.

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

Skills

Network security

Remote access solutions

System hardening

Vulnerability management

Backup and recovery

Incident response

Cybersecurity principles

Risk assessment

Education

Degree in Information Technology

Automation

Electrical Engineering

Cybersecurity

Tools

ISA/IEC 62443

NIST

Job description

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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.