The Intersect Group

Network Engineer

Phoenix, AZ, US

16 days ago
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Summary

Summary:

This is a cross-functional role supporting the real-time operations of industrial control systems (ICS). The focus is on network integration, cybersecurity, and risk mitigation, especially across new and existing U.S. facilities.

Core Responsibilities:

  • Support, design, and monitor ICS networks, including greenfield/brownfield integration projects.
  • Lead cybersecurity work: firewall rule reviews, OT patch management, and compliance with NERC CIP, NIST, and other standards.
  • Collaborate closely with renewables and thermal sites to ensure systems are integrated securely and effectively.
  • Develop and maintain network documentation, security procedures, and response plans.
  • Guide vendor and contractor relationships to support ongoing projects.
  • Driving ICS Security Governance: Develop and maintain internal ICS standards and ensure alignment with best practices and regulations.
  • Cyber Risk Mitigation Planning: Design cyber risk strategies in alignment with MOC and Supply Chain policies.
  • OT System Support: Oversee patch management, monitoring, alerting, and incident remediation for OT systems.
  • OT Infrastructure Management: Manage OT tools and assets including SIEM, PAM, MFA, asset tracking, and backups.
  • System Assessments: Conduct and support comprehensive ICS/OT risk assessments
  • Lifecycle Planning: Contribute to the long-term strategy and digital roadmap for OT modernization.
  • Technical Guidance: Provide hands-on technical support and mentoring to field maintenance and contract teams.
  • Change Management Compliance: Oversee and validate MOC processes tied to ICS work and upgrades.
  • Incident Response: Actively respond to cybersecurity incidents, coordinating containment and remediation efforts.


Must-Haves:

  • 7+ years of ICS/OT system experience, including 3+ years focused on industrial network design and support
  • Strong working knowledge of SCADA, PLCs, DCS, and protocols like MODBUS, DNP3, OPC
  • Expertise in network infrastructure: firewalls, switches, routers, spanning tree, failover services, etc.
  • Experience with Windows domain administration, virtualization, and patch/vulnerability management
  • Excellent communication skills – must build strong relationships with plant sites and vendors
  • Able to travel to Canada


Nice-to-Haves:

  • Cisco CCIE certification or equivalent advanced networking credentials
  • Familiarity with Maximo, CMMS tools, and cybersecurity software (SIEM, endpoint protection, etc.)
  • Experience developing or supporting cyber risk mitigation plans for critical infrastructure
  • Knowledge of asset management, logging tools, and vulnerability scanning

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