Job Description

Title - Network Security Engineer (Need experience on OT environments such as Manufacturing, Utilities or Critical Infrastructure )
Location :: Remote (USA) expenses paid for travel to locations required
Duration :: Contract

Position description:

• Travel frequently to operational facilities to carry out on-site security deployments and network enhancements.
• Configure and optimize Cisco security devices to establish secure segmentation and isolation between control and enterprise zones.
• Replace outdated or unmanaged switching equipment with modern network hardware, ensuring proper VLAN design and segmentation.
• Support the deployment and configuration of Meraki switches and other network components to align with security and performance objectives.
• Collaborate with field technicians and plant teams during hardware setup and implementation activities (including limited rack-and-stack work).
• Support wireless infrastructure refresh efforts when required.
• Conduct testing and validation of traffic flows, failover paths, and segmentation using Cisco and SD-WAN solutions.
• Maintain clear documentation of site activities, configurations, and findings.
• Work closely with cross-functional security and operations teams to minimize downtime and ensure successful cutovers.

Responsibilities:

• Practical, hands-on experience with enterprise-grade Cisco security platforms (Firepower preferred).
• Experience implementing VLANs and segmentation using Meraki or equivalent switch technologies.
• Familiarity with SD-WAN connectivity and integration within segmented OT networks.
• Working knowledge of cybersecurity principles and frameworks such as NIST and IEC 62443.
• Background supporting industrial control systems, utilities, or other critical operations.
• Strong analytical and troubleshooting ability in complex network environments.
• Excellent written and verbal communication skills with attention to detail.
• Willingness to travel extensively (up to 90% of the time).

Preferred Experience:

• Industry certifications (e.g., Cisco Security, CISSP, GICSP, or ISA/IEC 62443).

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