OT Network Engineer

Senior OT Network Engineer
Role Summary
The Senior OT Network Engineer is part of the Network team and is responsible for
implementing, supporting, and maintaining network infrastructure for manufacturing and
Operational Technology (OT) environments.
This role focuses on advanced execution, operational support, and technical leadership,
ensuring secure, reliable connectivity for production systems. The position works closely
with cybersecurity and Active Directory teams to support a segmented, identity-driven
architecture (Tier 0 / Tier 1 / Tier 2) aligned with Zero Trust principles.

Key Responsibilities
Network Operations & Support
 Implement and support network infrastructure for OT and manufacturing
environments
 Maintain high availability and reliability for production-critical systems
 Troubleshoot and resolve complex network issues impacting plant operations
(connectivity, latency, performance)
 Partner or coordinate production incident response and restoration activities
 Act as an escalation point for network-related issues within OT environments

Required
 7+ years of network engineering or infrastructure support experience
 Strong hands-on experience with routing, switching, and advanced network
troubleshooting in enterprise environments
 Proven experience implementing and supporting network segmentation and
firewall rule configurations across multiple environments or sites
 Experience troubleshooting and resolving issues in production or business-
critical environments
 Experience supporting OT or manufacturing environments
 Familiarity with segmented Active Directory environments and Tiered security
models
 Understanding of authentication services (DNS, Kerberos, LDAP, certificates)
Preferred
 Experience working with Aruba and Cisco network hardware
 Exposure to NAC (e.g., ClearPass, ISE) or identity-based network controls

Key Skills
 Advanced troubleshooting in high-availability, production-critical environments
 Ability to lead technical resolution efforts without formal design ownership
 Strong collaboration across Network, AD, Security, and Manufacturing teams
 Ability to operate effectively in complex, multi-site environments
 Clear communication during incidents and cross-team coordination