Senior Network Engineer/Architect - Onsite

About the role

Lead the design, modeling, and long-term planning of OT network components (core, distribution, edge devices) for systems including: CCTV, PA, CBTC, Bus Radio, power, cybersecurity, and other train/bus operations. Ensure 24x7 operational reliability and regulatory compliance.

Responsibilities

• Provide specialized technical guidance to operations teams on OT projects.
• Identify and deliver solutions for OT-specific systems, addressing cybersecurity and operational continuity.
• Collaborate with IT to integrate OT and IT systems, maintaining strict segmentation and security protocols.
• Develop and maintain network standards and modeling reference documentation.
• Provide solutions with strong return on investment, leveraging innovative ideas and strategic decisions to maximize value.
• Lead and coordinate OT network solutions, presenting strategies to management.
• Drive innovation in both OT and IT, capturing and analyzing maintenance information.
• Support upgrades of old legacy systems to deliver highly extensible and resilient solutions.
• Work closely with Networking, Cybersecurity, Infrastructure, and Procurement teams.
• Translate complex modernization concepts into clear, actionable guidance.
• Participate in strategic planning, network strategy sessions, and solution design workshops.

Skills & Qualifications

• Extensive Experience in Network OT: Advanced experience designing, modeling, and optimizing core, distribution, and edge devices for OT environments. Long-term planning for highly available, resilient, and scalable OT network architectures supporting 24x7 operations.
• Network Virtualization & Wireless Technologies: Strong understanding of network virtualization, wireless networking, and segmentation. Integration of wireless and wired OT networks for seamless operational coverage.
• Cybersecurity & Compliance: Advanced skills in applying cybersecurity principles to OT environments.
• Enterprise Architecture Modeling: Hands-on experience with enterprise architecture modeling tools (e.g., Abacus) for scenario planning, impact analysis, and communicating complex architectures. Development and maintenance of OT network standards, patterns, and reference architecture.