Lead DevSecOps Engineer

What impact will you make?

Senior OT Security Engineer
- Technology and Transformation
- Cyber

Do you thrive at solving complex challenges? Want to work on next-generation, cutting-edge products and services that deliver outstanding value? Work with other experts in your field? Work for a world-class organization that provides exceptional career experience and an inclusive and collaborative culture? Want to make an impact that matters? Consider joining Deloitte.

We are currently seeking an enthusiastic team player with exceptional security engineering skills and a well-rounded personality to become part of our dynamic Cyber team in our offices in Athens. The team is part of a European network, where brilliant colleagues collaborate across Deloitte locations to deliver services to our clients both in Greece and abroad.

As a Senior OT Security Engineer
, you will design, implement, and support leading cybersecurity solutions for our clients' Operational Technology (OT) environments. Typical engagements include the design, deployment, and optimization of security technologies across critical infrastructure and industrial environments, helping organizations enhance the security, resilience, and reliability of their operational systems while addressing emerging cyber threats.

#Your Opportunity

As a Senior OT Security Engineer
, you will work alongside highly skilled Cyber Security professionals who are passionate about technology, committed to excellence, and driven by delivering value to our clients. Collaboration, innovation, and a strong customer focus are at the core of everything we do.

In this role, you will contribute to complex OT security engagements, collaborate with leading industry specialists, and help protect some of the most critical operational environments across business-critical sectors. Leveraging Deloitte's continued investment in emerging technologies, strategic alliances, and specialist talent, you will play a key role in helping organizations enhance the security, resilience, and reliability of the industrial systems that underpin modern society.

You will have the opportunity to support the design, delivery, and implementation of best-in‑class cybersecurity solutions for leading organizations operating critical infrastructure and industrial assets. Working across technical advisory engagements, security architecture initiatives, and technology implementation projects, you will help clients address evolving cyber risks and strengthen the resilience of their operational technology environments.

At Deloitte, you will benefit from continuous learning opportunities, exposure to complex and challenging projects, and the chance to collaborate with experts across our European network - accelerating your professional growth while making an impact that matters.

During your tenure as a Senior OT Security Engineer
, you should be able to:

• Monitor and secure OT/ICS environments using OT threat-detection platforms.
• Analyze and respond to alerts, identifying anomalies and suspicious activity across industrial networks.
• Support clients in identifying security weaknesses and improving their cyber resilience through the design and development of custom detection rules and use cases tailored to OT/ICS systems.
• Assess industrial network architectures, improve network segmentation, and enhance the security and operational resilience of OT environments.
• Support vulnerability management activities and remediation planning initiatives across OT environments.
• Cross-functional collaboration with OT, network and field engineers to embed security into operational processes.
• Act as a technical lead during client engagements, solution implementations, and project delivery activities,…