Senior Network Engineer/Architect - Onsite

OT Network Design & Modeling 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. 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. Translate complex modernization concepts into clear, actionable guidance. Participate in strategic planning, network strategy sessions, and solution design workshops. 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. Strong understanding of network virtualization, wireless networking, and segmentation. Integration of wireless and wired OT networks for seamless operational coverage. Advanced skills in applying cybersecurity principles to OT environments. 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. The Dignify Solutions, LLC