> Markdown version of [/jobs/ext/1889563-cyber-sdc-operational-technology-onsite-field-support-engineer](https://www.wearedevelopers.com/jobs/ext/1889563-cyber-sdc-operational-technology-onsite-field-support-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Cyber SDC - Operational Technology - Onsite Field Support Engineer - **Company:** Ernst & Young LLP - **Location:** Grandview Heights, OH, United States (Remote available) - **Experience:** Expert - **Salary:** $104,800.0 - $192,200.0 - **Contract:** Permanent contract - **Skills:** CompTIA Network+, CompTIA Security+, Cyber Security, Monitoring of Systems, IP Addressing, Inventory Management Software, Network Security, Network Troubleshooting, Microsoft Software, Networking Basics, Routing, Runbook, Virtual Local Area Networks, Software Troubleshooting, Break Fix, Firewalls (Computer Science), Information Technology - **Published:** August 2, 2026 - **Apply:** https://dejobs.org/x/x/0C1BC71D60104E7F871875043F608189/job/ ## About the Role * 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., * Experience supporting OT, industrial, manufacturing, laboratory, or critical infrastructure environments. * Familiarity with ICS, OT asset types, industrial networks, or plant-floor connectivity. * Experience with switches, firewalls, monitoring tools, endpoint connectivity, or infrastructure deployment activities. * Experience supporting asset discovery, inventory validation, monitoring platform onboarding, or site documentation activities. * Relevant certifications such as CompTIA Network+, Security+, CCNA, Microsoft, ITIL, or comparable infrastructure/security certifications. TECHNICAL SKILLS Infrastructure & Networking OT / Site Support Operations & Handoff Networking fundamentals OT asset identification Implementation validation IP addressing and VLANs Site readiness support Operational readiness reviews Connectivity troubleshooting Asset inventory support Runbook and handoff documentation Switch/firewall fundamentals Industrial site coordination ## Description Industrial and operational technology programs require field resources who can work effectively across site operations, infrastructure, engineering, networking, cybersecurity, vendors, and remote support teams. The Onsite Field Support Engineer - OT role supports site implementation activities by helping translate approved technical plans into deployed, validated, documented, and supportable site environments., We are seeking a hands-on and technically adaptable Onsite Field Support Engineer - OT to support site readiness, infrastructure coordination, asset onboarding, implementation validation, troubleshooting, documentation, and support transition activities in operational technology environments. The ideal candidate has broad technical capability across infrastructure, networking, endpoint/device support, and practical OT environments. The role requires strong problem-solving skills, field execution discipline, and the ability to coordinate effectively with site personnel, engineering teams, vendors, and remote support organizations. Role positioning: This is a versatile field role that combines infrastructure support, network troubleshooting, site coordination, asset onboarding, documentation, and practical OT awareness., Site Implementation Support * 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. Network and Infrastructure Support * 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. OT Asset Onboarding and Inventory Support * 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. Testing, Readiness, and Troubleshooting * 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. Documentation and Support Transition * 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., Onsite Field Support Engineer - OT: Provides hands-on site support for OT implementation, asset onboarding, infrastructure coordination, connectivity validation, troubleshooting, documentation, operational readiness, and support transition activities. Serves as a site-facing technical resource who helps bridge central engineering plans with site-level execution realities. Requires broad infrastructure and troubleshooting capability with practical OT or industrial environment awareness. ## Related Videos - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Data Mining Accessibility](https://www.wearedevelopers.com/videos/802-data-mining-accessibility) - [Creating a routing app with Google Maps API from scratch](https://www.wearedevelopers.com/videos/831-creating-a-routing-app-with-google-maps-api-from-scratch) - [Technical Documentation - How Can I Write Them Better and Why Should I Care?](https://www.wearedevelopers.com/videos/681-technical-documentation-how-can-i-write-them-better-and-why-should-i-care) - [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) ## Related Articles - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [A Guide to Green Tech and Green IT Careers](https://www.wearedevelopers.com/magazine/374-a-guide-to-green-tech-and-green-it-careers) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Best Coding Boot Camps in Germany](https://www.wearedevelopers.com/magazine/237-best-coding-boot-camps-in-germany) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries)