Hybrid Sr Network Architect

Creative Solutions Services, LLC; New York (NY); Hybrid; USD 140,000 - 180,000; Full time

Job summary

Creative Solutions Services, LLC is seeking a Sr Network Architect to lead the design and modernization of OT networks for 24/7 transit operations. The role involves coordinating with IT and operations to ensure secure, scalable infrastructure across CCTV, PA, CBTC, and power systems.

The candidate will drive architecture roadmaps, standards, and modeling documentation, leveraging Abacus and best practices for reliable OT environments.

Qualifications

• Extensive experience designing OT network environments.
• Advanced expertise in core, distribution, and edge networks.
• Knowledge of network virtualization, wireless networking, and segmentation.
• Strong OT cybersecurity and regulatory compliance understanding.
• Experience with enterprise architecture models and reference architectures using Abacus.
• Ability to design highly available, resilient networks for 24/7 ops.
• Excellent communication translating tech to business terms.

Responsibilities

• Lead design, modeling, and long-term planning of OT network infrastructure.
• Architect networks supporting CCTV, PA, CBTC, Bus Radio, and power systems.
• Develop scalable architectures ensuring continuous 24/7 operations and compliance.
• Provide technical guidance to operations on OT network initiatives.
• Collaborate with IT to integrate IT and OT with proper segmentation.

Skills

OT networks

Network architecture

Network virtualization

Wireless networking

Network segmentation

OT cybersecurity

Abacus

High availability

Communication

Tools

Abacus

Job description

Sr Network Architect

Contract Length: 12 Months
Location: New York, NY
Work Setup: Hybrid (3 Days On-site / 2 Days Remote)

This is a 37.5 hour work week.

Join a leading organization focused on modernizing critical transportation infrastructure through innovative Operational Technology (OT) solutions. As a Sr Network Architect, you will lead the design, strategy, and modernization of mission-critical OT network environments that support safe, secure, and reliable 24/7 transit operations.

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

Required 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.

We look forward to reviewing your application!
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