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 IT Team at the Headquarters in Leoben, Austria, we are looking for a passionate

Senior Cyber Security Engineer – CoE IT Infrastructure & Security

In your role, you will help strengthen and continuously improve the organization’s overall cyber security posture. You contribute to the design, implementation, and operation of security measures across IT and OT environments, ensuring that security requirements are translated into sustainable and effective technical solutions. By working closely with infrastructure, operations, and security stakeholders, you enhance resilience, reduce vulnerabilities, and support secure and stable business operations.

Your Responsibilities

• Design and implement technical cyber security measures across IT and OT environments.


• Actively support and co‑drive security implementations such as network segmentation, hardening, monitoring, and endpoint protection.


• Ensure structured handover of security solutions into IT infrastructure and operations.


• Develop and continuously improve preventive security measures to proactively reduce cyber risks.


• Analyze, review, and optimize emergency, incident, and response plans.


• Support security architecture decisions in alignment with Infrastructure, OT, and InfoSec teams.


• Identify vulnerabilities and security gaps and support remediation activities.


• Contribute to security standards, baselines, and technical guidelines.

Your Profile

• Completed education in Computer Science, IT Security, Engineering, or a comparable field.


• Proven experience in IT‑cybersecurity, IT‑security operations, or IT‑infrastructure.


• Experience working in international environments with cross‑functional collaboration.


• Strong understanding of IT security principles, frameworks, and risk management practices (e.g., ISO 27001/2, NIST, NIS2).


• Solid experience as Cyber Security Engineer, Security Architect, or Infrastructure Security Engineer.


• Strong technical background in IT infrastructure and OT environments, including relevant security technologies.


• Structured, solution‑oriented, and hands‑on working style with the ability to bridge security requirements and technical implementation; Fluent in English; German is 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

Ready for a new challenge to advance your career? It´s just a click to apply online. We look forward to your application and your detailed resume. Your AT&S Team!

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 F-G, and we offer competitive salaries and additional benefits based on your performance, experience and qualification.