Sr. Network Architect

F2F Interview Local candidate Sr Network Architect Responsibilities Lead the design, modeling, and long-term planning of OT network infrastructure, including core, distribution, and edge devices. Architect highly available networks supporting CCTV, Public Address (PA), CBTC, Bus Radio, power systems, cybersecurity platforms, and other train and bus operational technologies. Develop resilient, scalable network architectures that ensure continuous 24/7 operations and regulatory compliance. Provide technical leadership and guidance to operations teams on OT network initiatives and modernization projects. Collaborate with IT teams to integrate IT and OT environments while maintaining strict network segmentation and security controls. Develop and maintain enterprise network standards, reference architectures, and modeling documentation using enterprise architecture tools such as Abacus. Drive legacy system modernization by designing extensible, resilient solutions that improve operational efficiency and reduce long-term costs. Present network strategies, architecture roadmaps, and solution recommendations to leadership while ensuring strong return on investment. Sr Network Architect Qualifications Extensive experience designing and supporting Operational Technology (OT) network environments. Advanced expertise in network architecture, design, administration, and optimization of core, distribution, and edge networks. Strong knowledge of network virtualization, wireless networking, and secure network segmentation. Advanced understanding of OT cybersecurity principles, operational continuity, and industry compliance standards. Experience developing enterprise architecture models, network standards, and reference architectures using tools such as Abacus . Proven ability to design highly available, resilient, and scalable network solutions supporting mission-critical 24/7 operations. Excellent communication skills with the ability to translate complex technical concepts into actionable business solutions. Preferred Qualifications Experience supporting transportation, transit, rail, bus operations, utilities, or other critical infrastructure environments. Experience collaborating with Networking, Cybersecurity, Infrastructure, Operations, and Procurement teams. Demonstrated success leading strategic planning sessions, architecture reviews, and solution design workshops. #J-18808-Ljbffr