Onsite OT Field Engineer: Deployment & Troubleshooting

EY; Nashville (TN); On-site; USD 105,000 - 192,000; Full time

Benefits offered by this job

Medical and dental coverage

Pension and 401(k)

Job summary

EY is seeking an Onsite Field Support Engineer – OT to drive site readiness, asset onboarding, and deployment validation across industrial environments. This role requires hands‑on capabilities in infrastructure, networking, endpoints, and practical OT awareness, with coordination across site personnel, vendors, and remote teams.

Strong problem solving, field execution discipline, and travel to support onsite implementation activities are essential.

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.

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.

Skills

Troubleshooting

Documentation

Coordination

Communication

Education

Bachelor's degree in Information Technology or related field

Job description

EY is seeking an Onsite Field Support Engineer – OT to drive site readiness, asset onboarding, and deployment validation across industrial environments. This role requires hands‑on capabilities in infrastructure, networking, endpoints, and practical OT awareness, with coordination across site personnel, vendors, and remote teams.

Strong problem solving, field execution discipline, and travel to support onsite implementation activities are essential.