Greenfield OT Network & Site Infrastructure Engineer

Intersect; Houston (TX); On-site; USD 118,000 - 137,000; Full time

Benefits offered by this job

Equity grant

Healthcare coverage

Unlimited PTO

Job summary

Intersect is seeking an OT Network & Site Infrastructure Engineer to build and secure the physical and logical backbone connecting our gigawatt-scale facilities to corporate systems and the grid. You’ll lead greenfield deployments, manage firewalls and segmentation, and ensure high uptime across distributed sites in the U.S.

You’ll collaborate with IT, SCADA, and Field Operations, deploy Nozomi/Claroty/Dragos, and guide vendor activities on-site with up to 50% travel.

Qualifications

• 5+ years in network and infrastructure engineering for OT/industrial environments.
• Experience deploying IT/OT segmentation and Purdue model adherence.
• Proven ability to manage remote access architectures (S2S VPN, ZTNA, jump servers).
• Hands-on with enterprise/industrial network hardware incl. Palo Alto, Cisco, Hirschmann.

Responsibilities

• Architect and implement greenfield OT networks across multiple sites.
• Deploy industrial switches, firewalls, and routing infrastructure.
• Establish IT/OT network segmentation per industry best practices and NERC CIP.
• Maintain on-site security, remote access platforms, and VPNs.
• Integrate OT detection platforms (Nozomi/Claroty/Dragos) with CrowdStrike.
• Troubleshoot SCADA/Ignition connectivity and field sensors.
• Provide on-site technical leadership during commissioning and vendor coordination.

Skills

OT/ICS networking

Remote access architectures

IT/OT segmentation

Collaboration across IT/SCADA/FieldOps

Education

Bachelor's degree in Network Engineering/IT/CS

Tools

Palo Alto

Cisco

Hirschmann

Nozomi

Claroty

Dragos

CrowdStrike

Ignition (SCADA)

Job description

Intersect is seeking an OT Network & Site Infrastructure Engineer to build and secure the physical and logical backbone connecting our gigawatt-scale facilities to corporate systems and the grid. You’ll lead greenfield deployments, manage firewalls and segmentation, and ensure high uptime across distributed sites in the U.S.

You’ll collaborate with IT, SCADA, and Field Operations, deploy Nozomi/Claroty/Dragos, and guide vendor activities on-site with up to 50% travel.