OT Network Manager

Our client is seeking an experienced and highly detail-oriented Network Specialist/Manager to take ownership of our extensive Operations Technology (OT) LAN/WAN in collaboration with their corporate IT department. This is a critical role responsible for the design, deployment, maintenance, and security of a complex network infrastructure connecting more than 50 large building operations locations and more than 6000 devices.

The ideal candidate possesses deep technical expertise in managing large, diverse, networks and experience supervising and directing the building operations technology contractors which have devices connected.

This position is onsite 4 days a week in NYC.

• Take ownership of the integrity and security of a large-scale OT WAN encompassing more than 6,000 diverse endpoints.
• Execute the management and security policies of our CIO and expert team of cybersecurity professionals.
• Review and advise on our Meraki network infrastructure, including switches, firewalls, and access points, utilizing the Meraki dashboard for centralized configuration and monitoring.

• Provide direction and support for 50+ vendors and their devices critical to building operations as they connect to the OT network, including:
• Building Management System (BMS) controllers and servers
• Energy meters and monitoring systems
• Security cameras, recorders and access control systems
• User workstations and viewing stations that interact with the equipment

• Implement, monitor, and manage a robust security stack to protect the network and sensitive OT data.
• Deep operational knowledge of key cybersecurity and network management tools is essential, including:
• Windows Security Updates and WSUS Console
• Forescout Network Access Control (NAC)
• Blackpoint Managed Detection and Response (MDR)
• Threat Locker Application Control/Allow Listing
• Altiris and Gover
  
  LAN IT Management/Patching tools
• Enforce network security policies and procedures through collaboration with our corporate IT teams, external technology partners and OT vendors.

• Act as the primary technical liaison for approximately 50 vendors and contractors
• Collaborate with vendors and internal teams for efficient problem resolution and the smooth rollout of new building devices and applications.

• Lead network-focused projects from conception through deployment, ensuring projects are completed on time and within budget.
• Develop detailed network documentation, diagrams, and Standard Operating Procedures (SOPs).
• Open and manage tasks within service tickets through to closeout.

• Minimum of 10 years of progressive IT experience in a diverse, complex network environment.
• Minimum of 3-5 years of focused experience managing large, independent networks connecting building operations via a WAN (OT focus).
• Deep, demonstrable expertise in Meraki network infrastructure and dashboard management is mandatory.
• Proven hands‑on experience with the specified cybersecurity, Windows security and device inventory tools (WSUS, Forescout, Blackpoint, Threat Locker, Altiris, or equivalent industry-leading platforms).
• Solid understanding of networking fundamentals (TCP/IP, routing, switching, VPNs, VLANs, QOS).
• Experience in a regulated or high-security environment is a plus.

• Exceptional attention to detail.
• Strong critical thinking and problem-solving skills for rapid issue resolution in mission‑critical environments.
• Demonstrated leadership skills and the ability to drive technical initiatives.
• Excellent collaboration and communication skills, necessary for successful vendor, partner, and internal resource management.
• Proven Project Management skills, capable of handling multiple complex projects simultaneously.