IT Infrastructure Engineer

Job Summary 

We are seeking a Senior Infrastructure Engineer to serve as the long-term technical owner of virtualization, server, storage, backup, and network infrastructure supporting critical SCADA and engineering systems. 

This is a hands-on senior individual contributor role responsible for operational reliability, high availability, cybersecurity alignment, and disaster recovery readiness across VMware and Hyper-V environments. The ideal candidate has experience supporting production OT/industrial environments and understands the accountability required for systems that directly impact operational uptime. 

This role participates in on-call rotation, supports scheduled plant outage patch windows, and serves as a primary escalation point for infrastructure-related incidents. 

Key Responsibilities 

Infrastructure & Virtualization Ownership 

• Own lifecycle management of VMware ESXi/vCenter and Microsoft Hyper-V environments. 

• Design, maintain, and optimize HA clusters (VMware HA/DRS and Hyper-V Failover Clustering). 

• Perform hypervisor patching, upgrades, and lifecycle management. 

• Optimize virtual machine performance and resource allocation. 

• Maintain standardized templates and configuration governance. 

Backup & Disaster Recovery (Veeam) 

• Administer and optimize Veeam Backup & Replication. 

• Define and maintain RPO/RTO targets for critical systems. 

• Perform periodic restore validation and disaster recovery testing. 

• Maintain documented recovery procedures and DR runbooks. 

• Manage multi-site backup strategies, including full and incremental backups. 

Networking & Security 

• Deploy and troubleshoot enterprise networks, including Firewalling, routing, and switching/VLAN architecture. 

• Support routing fundamentals and firewall rule governance. 

• Maintain secure IT/OT segmentation design. 

• Support patch compliance and vulnerability remediation initiatives. 

• Participate in firewall reviews and security hardening efforts. 

• Familiarity with industrial protocols (Modbus, DNP3, OPC-UA) preferred. 

Operational Excellence & Incident Response 

• Serve as a senior escalation point during infrastructure incidents. 

• Lead root cause analysis (RCA) following outages or service degradation. 

• Monitor infrastructure performance, storage health, and system capacity. 

• Proactively identify risks and implement mitigation strategies. 

• Develop and maintain infrastructure standards, SOPs, and documentation. 

Availability & Support Expectations 

• Participate in on-call rotation. 

• Support scheduled maintenance during plant outage windows. 

• Support occasional off-hours deployments as required. 

• Ensure minimal operational disruption during maintenance activities.