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OT Network Engineer

Oxford Global ResourcesNew York, NY🇺🇸United States

Why this role stands out

Advance your career with this high-impact opportunity at Oxford Global Resources, where you will play a pivotal role in designing and securing critical OT network infrastructure. You will thrive in this position if you are a detail-oriented professional with expertise in Cisco and Palo Alto technologies who enjoys solving complex architectural challenges within an industrial framework. Apply today to sharpen your technical skills and contribute to a sophisticated, large-scale security project.

Quick overview

SeniorityMid Senior
Work modeOn Site
LocationNew York, NY, United States
Active DirectoryNetwork Administration

Job description

OT Network Engineer

Start Date: 10/21/2026

Length of contract: 1 year + extensions

Location: Rensselaer, NY Onsite

Work Schedule: M-F, 9-5

Project Details: This position will primarily be supporting the OT (Operational Technology) Segmentation project occurring at the Rensselaer site. This is a collaboration between Corp and IOPS IT. Strong experience in segmentation and Palo Alto firewall security policies is required as well as familiarity with the Purdue model/ISA-95 framework used in manufacturing facilities for network security and segmentation.

Skills/duties include:

  • Expertise with Cisco components.
    • Cisco route and switch certifications
  • Expertise with Palo Alto firewalls.
  • Familiarity with Purdue/ISA95 Operational
  • Technology (OT) network design framework.
  • Requirements gathering across OT and IT application teams.
  • Network component design, configuration, and implementation to support the Purdue / Golden Design OT network framework.
  • Familiarity with working in an environment with regulatory requirements.
  • Build out iDMZ between OT and IT networks.
  • Segregate new Active Directory forest alongside iDMZ implementation.
  • Implement additional boundary protections between Purdue levels within the OT network.
  • Review traffic, provide connectivity options to achieve operational objectives, and implement technical and administrative controls to prevent cross-domain connections.
  • Migrating existing OT devices and servers to new segmented networks.
  • Network documentation.

Musts:

Network Engineer

Cisco and Palo Alto

OT Environments

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