Dimitrios Tasidis

As a member of the Security Leadership Team, I lead and manage the strategic security posture for critical Operational Technology (OT) and Industrial Control Systems (ICS) across the organization. My role centers on proactive defense, strategic implementation, and cross-functional collaboration to ensure the integrity and resilience of our systems.

Key Responsibilities:

• Directing the development and implementation of cutting-edge OT/ICS security measures to fortify critical infrastructure.
• Overseeing comprehensive security protocols, including system and network security, vulnerability management, and threat mitigation.
• Translating external security trends and industry best practices into actionable defense strategies, providing expert guidance to key business stakeholders.
• Cultivating successful relationships with both internal stakeholders and third parties, effectively navigating complex situations to align security initiatives with business objectives.
• Collaborating closely with IT, Information & Data Security, and Physical Security departments to ensure a cohesive and integrated approach to cybersecurity.

Bridged the gap between product management and technical architecture to design and develop effective security solutions for Operational Technology (OT) environments. Fostered effective communication and collaboration across diverse teams to ensure alignment of product vision and strategy.

Key Responsibilities:

• Defined strategic vision and roadmaps for OT security solutions by conducting market research, identifying customer needs, and translating industry trends into product requirements.
• Developed high-level technical architectures and design specifications for OT security services, integrating network monitoring, intrusion detection, remote access, and vulnerability assessment tools.
• Conducted risk assessments in OT environments and incorporated security features into the product development lifecycle, working closely with product management.
• Collaborated with customers and cross-functional teams to translate security requirements into actionable product features and functionalities.
• Supported product and service sales teams through pre-sales activities, including defining future-state architecture and presenting technical solutions to customers and stakeholders.
• Provided thought leadership, participating as a presenter and speaker at public events.

Served as a Vertical Technical Lead for the Internet of Things (IoT) Services team, specializing in OT security and industrial networking for the Energy/Oil & Gas vertical markets. Developed and integrated technical solutions to address key business challenges for customers.

Key Responsibilities:

• Led the development of industrial solutions for the digitization of Process Control Network environments, focusing on secure remote access, asset inventory, anomaly detection, and IT/OT convergence.
• Translated business and technical requirements into robust architectures and designs for customer deployments.
• Functioned as a technical authority, ensuring solutions aligned with future customer needs and adhered to secure development frameworks.
• Managed solution lifecycle plans and developed technology roadmaps, release strategies, and program plans.
• Provided sales enablement and support by creating training collateral and promoting solutions to diverse technical and non-technical audiences.
• Collaborated with and developed relationships with third-party vendors to enhance solution offerings.

Working at Cisco's Advanced Professional Services organization as a Consulting Engineer specializing in Wireless LAN Technologies, responsible for the delivery of Wireless Planning, Design, Implementation & Optimization Services to Cisco's major accounts.

Key Responsibilities:

• Performed architectural planning and design, as well as configuration and integration support within project delivery and ongoing consultative engagements
• Led or participated in complex network design, performance engineering or problem resolution projects
• Developed business and technical requirements, documented design and architecture best practices

Leading the Wireless LAN team at Cisco TAC.

Key Responsibilities:

• Planning/organizing and running the daily operational activities
• Leading special projects and initiatives
• Being accountable to senior management for meeting the team's objectives and targets

Key Responsibilities:

Provided technical support to customers from around the globe, specializing in LAN Switching and Wireless LAN products

Key Responsibilities:

Supported 3Com partners and Systems Engineers in LAN Switching and Network Management technologies in 3Com's European Technical Escalation Centre (3Com ETEC)