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Senior Network Architect

ACS Consultancy Services, Inc.Buffalo, NY🇺🇸United StatesPosted 29 Jul 2026

Quick Overview

Work Type
Hybrid
Level
Mid Senior

Job Description

Job Title: Senior Network Architect

Location: BROADWAY, NY (Hybrid)

We are currently seeking candidates who meet the following qualification


Key Responsibilities

OT Network Design & Modeling
  • Lead the design, modeling, and long-term planning of OT network components (core, distribution, and edge devices) for systems including:

    • CCTV

    • PA Systems

    • CBTC

    • Bus Radio

    • Power

    • Cybersecurity

    • Other train and bus operations systems and applications

  • Ensure 24x7 operational reliability and regulatory compliance.

Technical Guidance & Solutions
  • Provide specialized technical guidance to operations teams on OT projects.

  • Identify and deliver solutions for OT-specific systems, addressing cybersecurity and operational continuity.

  • Ensure compliance with safety and industry standards.

Integration & Security
  • Collaborate with IT to integrate OT and IT systems while maintaining strict segmentation and security protocols.

Standards & Documentation
  • Develop and maintain network standards and modeling reference documentation.

Innovation & Value Optimization
  • Provide solutions with strong return on investment through innovative ideas utilizing networking equipment, software, and technology.

  • Make strategic decisions to maximize value.

  • Lead and coordinate OT network solutions, presenting strategies to management.

Legacy System Modernization
  • Drive innovation across both OT and IT environments.

  • Capture and analyze maintenance information.

  • Support upgrades of legacy systems to deliver highly extensible and resilient solutions.

Cross-Functional Collaboration & Communication
  • 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.

Required Qualifications Extensive Experience in Network OT
  • Extensive experience working within Operational Technology (OT) network environments supporting mission-critical operations.

Network Design & Administration
  • 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.


    If you meet these qualifications, please submit your application via link provided in Linkedin
    Kindly do not call the general line to submit your application.

Skills

Compliance
Procurement
Regulatory Compliance
Strategic Planning

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