OT Network Engineer

Primary Responsibilities

• Design and deploy Cisco network infrastructure (routers, switches, and firewalls) across multiple renewable energy sites
• Configure and maintain Cisco Firepower/FTD firewalls and Cisco SD-WAN architecture
• Build and monitor IPsec/GRE tunnels between data centers, substations, and field devices
• Ensure high availability and redundancy across primary and secondary data centers
• Manage site connectivity including private circuits, LTE failover, and remote access solutions
• Support SCADA network integration and ensure proper segmentation between IT and OT networks
• Collaborate with vendors for network commissioning, circuit turn-up, and troubleshooting
• Implement network monitoring, logging, and alerting for uptime and security
• Afford cybersecurity compliance activities (e.g., NERC CIP or company internal policies)
• Afford controlled change management processes and scheduled maintenance windows
• Maintain accurate network documentation, IP address plans, and device inventory
• Collaborate on infrastructure and compliance-related projects (e.g., network upgrades, site expansions, datacenter migrations)
• Communicate clearly with technical and non-technical stakeholders

Qualifications

• Bachelor’s Degree (Information Technology / Computer Science / Network Engineering) preferred or equivalent with relevant work experience required.
• 5+ years’ experience to include:
• Cisco network engineering (routing, switching, and firewalls)
• Experience with Cisco Firepower/FTD, ASA, and SD-WAN platforms
• Strong knowledge of IPsec/GRE VPN tunnels, BGP, OSPF, and VLAN architecture, and routing protocols (BGP, OSPF, EIGRP).
• Familiarity with network monitoring tools (e.g., SolarWinds, PRTG, or similar)
• Solid grasp of firewall rules, security zones, and remote access configurations
• Experience working in regulated or compliance-driven environments
• Solid written and verbal communication skills
• Ability to work independently and manage multiple technical responsibilities
• Physical ability to lift and maintain 70 LBS for short period of time
• Able to travel up to 25% and in field environments during project commissioning and support remote site deployment

Additional Qualifications

• Cisco certifications (CCNA, CCNP, or equivalent)
• Experience working with industrial communication protocols (Modbus, DNP3, IEC 61850)
• Experience supporting NERC CIP compliance in OT/ICS environments
• Familiarity with SCADA protocols and IT/OT convergence
• Experience with LTE/cellular failover and remote-access VPN solutions
• Knowledge of AES infrastructure standards and operational practices