Onsite OT Field Engineer: Infrastructure & Troubleshooting

EY

Memphis (TN)

Hybrid

USD 105,000 - 192,000

Full time

14 days+

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Benefits offered by this job

Hybrid work model

Medical and dental coverage

Pension and 401(k)

Paid time off

Job summary

EY is seeking a hands-on Onsite Field Support Engineer – OT to enable site readiness, coordinate infrastructure, onboard assets, validate deployments, troubleshoot issues, document processes, and support transition to steady-state operations.

The role requires broad technical capability across infrastructure, networking, endpoint/device support, and practical OT environments. Travel to sites is required, and the team operates in a hybrid client-facing model.

Qualifications

Bachelor's degree in Information Technology, Engineering, Cybersecurity, Computer Science, or equivalent technical experience preferred.
5+ years of experience in field support, infrastructure support, networking, cybersecurity, industrial technology, or implementation roles.
Experience supporting site-based technology deployments, infrastructure implementation, or operational readiness activities.
Working knowledge of networking fundamentals, IP addressing, VLANs, routing/switching concepts, and connectivity troubleshooting.
Ability to work in manufacturing, laboratory, industrial, or operational environments where safety, production continuity, and site coordination are important.
Strong troubleshooting, documentation, communication, and coordination skills.
Ability to travel and support onsite implementation activities as required.

Responsibilities

Support site onboarding, implementation readiness, and deployment activities for OT and industrial environments.
Assist with site surveys, readiness checks, deployment logistics, and implementation preparation.
Coordinate local field activities with project teams, engineering resources, site personnel, vendors, and support teams.
Identify access issues, site constraints, environmental limitations, and technical dependencies that may affect implementation.
Assist with installation, validation, and troubleshooting of network and security infrastructure.
Support connectivity checks, cabling coordination, device placement, switchport identification, VLAN/IP information gathering, and basic network troubleshooting.
Validate communication paths between OT assets, site infrastructure, monitoring platforms, and approved network/security services.
Coordinate with specialized engineering teams when configuration, architecture, or advanced troubleshooting support is required.
Assist with identification, validation, and documentation of OT assets and supporting infrastructure.
Support asset inventory reconciliation, ownership validation, and documentation updates.
Assist with onboarding assets into approved monitoring, visibility, or support platforms where applicable.
Validate asset connectivity and basic operational readiness after implementation activities.
Support implementation testing, connectivity validation, readiness reviews, and defect tracking.
Provide hands-on troubleshooting for connectivity, endpoint, OT asset, infrastructure, and deployment-related issues.
Perform initial triage and coordinate escalation to engineering, architecture, vendor, or operations teams as needed.
Support post-implementation stabilization and early-life support activities where required.
Maintain site implementation notes, deployment records, asset information, and support transition documentation.
Assist with updates to site diagrams, connectivity records, inventory data, and support artifacts.
Support knowledge transfer between implementation teams and steady-state support teams.
Ensure information required by operations teams is accurate, complete, and accessible.