Onsite OT Field Engineer - Deployment & Troubleshooting

EY; Indianapolis (IN); On-site; USD 105,000 - 192,000; Full time

Benefits offered by this job

Hybrid work model

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 validation in industrial environments.

The role requires broad infrastructure and networking knowledge, hands-on troubleshooting, and coordination with site personnel, vendors, and remote support teams. Occasional travel to client sites is expected. This essential field role bridges central engineering plans with site-level execution, delivering documented handoffs and stable OT deployments.

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 travel and support onsite implementation activities as required.

Responsibilities

• 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.
• Support installation, validation, and troubleshooting of network and security infrastructure.
• Validate communication paths between OT assets, site infrastructure, monitoring platforms, and approved network/security services.
• Coordinate with specialized engineering teams when configuration or advanced troubleshooting is required.
• Assist with onboarding assets into approved monitoring, visibility, or support platforms where applicable.
• Validate asset connectivity and basic operational readiness after implementation activities.
• Maintain site implementation notes, deployment records, asset information, and support transition documentation.

Skills

Field support

Networking

Infrastructure support

Cybersecurity basics

Documentation

Site coordination

Education

Bachelor's degree

Tools

Firewalls

Monitoring tools

IP addressing

Job description

EY is seeking an Onsite Field Support Engineer – OT to drive site readiness, asset onboarding, and validation in industrial environments.

The role requires broad infrastructure and networking knowledge, hands-on troubleshooting, and coordination with site personnel, vendors, and remote support teams. Occasional travel to client sites is expected. This essential field role bridges central engineering plans with site-level execution, delivering documented handoffs and stable OT deployments.