Engineer II, OT Infrastructure

Description

ERock (NYSE: EROC) is enabling energy for a new era. ERock delivers onsite utility-grade power that gets customers up and running quickly, while supporting long-term grid development. ERock’s proprietary natural gas generators help critical facilities address grid constraints, interconnection delays, and outage risks while accelerating speed-to-power for new and expanding operations. Trusted by data centers, utilities, manufacturers, healthcare systems and government organizations, ERock engineers for rapid deployment, long-duration reliability, low local emissions, and scalable performance to meet the evolving energy demands of today and tomorrow.

As an Infrastructure Engineer II, you will lead the hands‑on engineering, configuration, and day‑to‑day administration of secure, resilient IT, OT, and industrial network and systems infrastructure across ERock’s Enterprise Environments, Data Centers, and Distributed Microgrid sites. You will:

• Support secure, reliable infrastructure across ERock’s enterprise, data center, and remote microgrid environments.
• Configure and troubleshoot networks and security, including SD‑WAN, firewalls, switches, VPN tunnels, and hybrid cloud connectivity.
• Maintain industrial connectivity for SCADA, PLCs, RTUs, and remote monitoring systems.
• Administer VMware, Windows Server, and Active Directory, including provisioning, patching, and maintenance.
• Resolve complex incidents with Helpdesk, Security, OT, and field teams while helping minimize operational disruptions.
• Maintain standards and documentation, including backups, disaster recovery procedures, templates, and runbooks.

• Direct hands‑on experience configuring, deploying, and troubleshooting Fortinet Forti Gate firewalls, including firewall policies, IPsec/SSL VPNs, NAT, and core security profiles.
• Bachelor’s degree in Computer Science, Information Technology, or a related field (or equivalent practical experience), along with 5–7+ years of hands‑on infrastructure and networking experience.
• Solid hands‑on experience configuring, troubleshooting, and administering enterprise networking hardware and protocols, including BGP, OSPF, VLANs, IPsec VPNs, NAT, DNS/DHCP, QoS and routing policy management.
• Working knowledge of industrial networks, including industrial managed switches, ruggedized field gear, and connectivity supporting SCADA and PLC communication.
• Direct working experience administering VMware environments (ESXi, vCenter, VM provisioning, snapshot management, and virtual networking/vSwitches).
• Hands‑on system administration experience with Windows Server environments and patch management.
• Experience with implementing network security designs, including stateful inspection, access segmentation, and Zero Trust fundamentals.
• Experience deploying monitoring and alerting tools (e.g., SNMP, Syslog, PRTG, Solar Winds, or Datadog) to proactively detect performance issues and latency spikes.
• Proven track record of managing multi‑site deployment projects, coordinating with field technicians, and resolving escalated support tickets.
• Willingness to travel up to 20% (local/regional).
• Ability to lift and carry equipment weighing up to 20 pounds, review schematics and computer screens, and communicate effectively across teams.

• Have hands‑on experience with edge-to-cloud IoT systems and the challenges that come with them.
• Have deep hands‑on experience architecting distributed IT/OT networks across energy, utilities, oil & gas, industrial, or other mission‑critical environments.
• Have designed and secured segmentation strategies aligned to Purdue Model and regulatory standards such as…