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About the Role

The Dell Rack Administrator is responsible for the physical and logical infrastructure layer that SCADA runs on, including Dell PowerEdge server racks, Dell SAN storage, Dell EMC Data Domain backup appliances, and the Cisco and Arista switching fabric. This role requires comfort in both enterprise rack rooms and plant floors, with an understanding of OT network behavior, deterministic timing, segmentation, and the operational impact of reboots on live processes.

Responsibilities

• Specify, stage, rack, cable, power, label, and commission Dell PowerEdge servers for SCADA, historian, HMI, and engineering workstation nodes
• Deploy and administer VMware vSphere/ESXi hosts supporting virtualized control system infrastructure
• Maintain iDRAC, OpenManage, and firmware baselines under change control, coordinating outage windows with plant operations
• Administer Dell storage platforms (PowerStore, Unity, SC Series, PowerVault) — provisioning, LUN/volume management, replication, snapshots, capacity planning
• Configure and troubleshoot Fibre Channel and iSCSI fabrics, zoning, and multipathing
• Own Dell EMC Data Domain administration — deduplication, replication, retention lock, DD Boost
• Design, execute, and test backup and restoration for SCADA servers, historian databases, PLC/DCS program archives, and HMI application files
• Configure and troubleshoot Cisco (Catalyst, Nexus, IE industrial series) and Arista (EOS) switches — VLANs, trunking, LACP, spanning tree, QoS, ACLs, routing
• Implement segmented control system networks aligned to the Purdue Model / ISA-95, including IDMZ design and conduit/zone documentation consistent with ISA/IEC 62443
• Support networks carrying Modbus TCP, EtherNet/IP, PROFINET, DNP3, IEC 61850, and OPC UA traffic — multicast/IGMP handling, latency constraints, ring and redundancy topologies
• Configure and maintain industrial gateway hardware (Moxa, Red Lion) and serial device servers
• Apply hardening baselines (DISA STIG, CIS Benchmarks, or client standard)
• Produce rack elevations, network diagrams, IP schedules, cable schedules, and as-built documentation to submittal quality
• Support commissioning, FAT/SAT, cutovers, and post-cutover stabilization, including scheduled after-hours work

Requirements

• Bachelor's degree in IT, Computer Science, Engineering, or related field; equivalent experience and certifications considered in lieu
• 5+ years hands-on infrastructure administration across server, storage, and network domains
• Hands-on Dell PowerEdge, iDRAC, and OpenManage experience in production
• Hands-on Dell SAN administration including provisioning, replication, and fabric troubleshooting
• Hands-on Dell EMC Data Domain administration including verified restoration
• Hands-on Cisco AND Arista switch configuration and troubleshooting in production
• PLC/SCADA networking experience is required. Candidates must have supported live industrial control system networks and be able to describe from direct experience how control traffic was segmented, prioritized, and protected.
• Working knowledge of industrial protocols and their network requirements
• Familiarity with Purdue Model / IDMZ segmentation and ISA/IEC 62443 principles
• Windows Server proficiency; Linux proficiency preferred
• Ability to lift and rack equipment up to 50 lbs and work in plant environments under site safety requirements
• U.S. work authorization; ability to pass client background screening
• Prior experience in water, wastewater, power, or heavy industrial process environments
• Experience supporting ABB, Rockwell/Allen-Bradley, Siemens, or Schneider platforms at the infrastructure layer
• Experience with AVEVA/Wonderware System Platform, InTouch, or Historian infrastructure
• Experience with OT security tooling (Claroty, Dragos, Nozomi, Cisco Cyber Vision)

Skills

• Dell PowerEdge
• iDRAC
• OpenManage
• VMware vSphere/ESXi
• Dell SAN storage
• Fibre Channel
• iSCSI
• Dell EMC Data Domain
• Cisco switches
• Arista switches
• VLANs
• Trunking
• LACP
• Spanning Tree Protocol (STP)
• Quality of Service (QoS)
• Access Control Lists (ACLs)
• Routing
• Purdue Model
• IDMZ
• ISA/IEC 62443
• Modbus TCP
• EtherNet/IP
• PROFINET
• DNP3
• IEC 61850
• OPC UA
• IGMP
• Moxa
• Red Lion
• DISA STIG
• CIS Benchmarks
• Windows Server
• Linux
• ABB
• Rockwell/Allen-Bradley
• Siemens
• Schneider
• AVEVA/Wonderware System Platform
• InTouch
• Historian
• OT security tooling
• Claroty
• Dragos
• Nozomi
• Cisco Cyber Vision

Location

• NYC area

Work Type

• Onsite
• Plant environments
• Flexible work from home options available

Experience Level

• 5+ years hands-on infrastructure administration

Education Level

• Bachelor's degree in IT, Computer Science, Engineering, or related field
• Equivalent experience and certifications considered

About the Company

• Our ICS/SCADA Modernization practice designs, deploys, and sustains the control system infrastructure behind water treatment, wastewater, power distribution, and industrial process environments.