OT Network and Infrastructure Engineer

The OT Network and Infrastructure Engineer is responsible for supporting and maintaining Operational Technology (OT) networks, infrastructure, cybersecurity technologies, and remote access solutions for both Ethos Energy O&M Remote Operations Center (ROC) and customer power generation facilities.
This position plays a key role in delivering OT Services that improve the reliability, security, and compliance posture of customer environments. The engineer will assist with the design, implementation, maintenance, and troubleshooting of OT networks, industrial infrastructure systems, cybersecurity controls, and remote access technologies while supporting customers on their journey toward NERC CIP Medium Impact compliance.
The role requires a strong technical foundation in networking, systems administration, virtualization, cybersecurity, and industrial control system environments. The engineer will work closely with internal Subject Matter Experts, ROC personnel, customer operations teams, and third-party vendors to maintain secure and reliable OT environments that support power generation, renewable energy, and battery storage facilities.
This role also serves as a customer-facing technical consulting resource within Ethos Energy OT Services. The OT Network and Infrastructure Engineer will work directly with customer operations, engineering, and management teams to assess site needs, explain technical findings, support remediation planning, and provide practical recommendations that improve OT network reliability, cybersecurity posture, and NERC CIP readiness. The position requires the ability to translate technical issues into clear customer-facing updates, participate in recurring service meetings, support site reporting, and help customers make informed decisions around OT infrastructure, firewall management, remote access, patching, vulnerability management, and compliance improvement activities.

• OT Network Administration
• Configure, maintain, and troubleshoot industrial network infrastructure supporting power generation and critical infrastructure environments.
• Administer and support firewalls, routers, switches, wireless systems, and network communication devices.
• Configure and maintain Virtual Private Networks (VPNs) for secure remote connectivity.
• Support network segmentation and security architecture initiatives within OT environments.
• Perform network diagnostics and troubleshooting activities to identify and resolve communication issues.
• Maintain network documentation, diagrams, inventories, and configuration baselines.
• Participate in network upgrades, refresh projects, and infrastructure modernization initiatives.
  
  OT Infrastructure Administration
• Support and maintain Windows Server operating systems and associated infrastructure services.
• Administer Active Directory, Group Policy, DNS, DHCP, and file services.
• Support virtualization platforms including VMware ESXi and vCenter environments.
• Assist with server deployment, migration, upgrades, and lifecycle management activities.
• Maintain infrastructure backups and support disaster recovery testing activities.
• Monitor system health, performance, and availability across customer and ROC environments.
• Maintain hardware and software asset inventories.
  
  OT Cybersecurity and Compliance
• Support implementation and maintenance of cybersecurity controls within OT environments.
• Assist with vulnerability management activities including identification, assessment, remediation tracking, and reporting.
• Coordinate operating system and application patch management activities for OT infrastructure.
• Support endpoint security deployments and ongoing security monitoring activities.
• Review firewall configurations and assist with rule management and…