OT Infrastructure Engineer - Industrial Networking & Security

Inframark; Johnson City, Northern (TN, KY); Hybrid; USD 90,000 - 120,000; Full time

Benefits offered by this job

Health insurance

401(k)

Paid time off

Job summary

Inframark is seeking an experienced OT Infrastructure Engineer to design, deploy, and manage secure OT infrastructure for water and utility systems. You will work with project teams, field personnel, and cybersecurity resources to deliver reliable OT environments and support lifecycle management.

The role covers Windows server administration, virtualization, industrial networking, firewall configuration, secure remote access, SCADA/HMI/PLC connectivity, and cybersecurity hardening, with

Qualifications

• Bachelor's degree preferred; equivalent experience may be considered.
• 5+ years supporting IT/OT, industrial networks, or utility environments.
• Experience deploying and supporting server, workstation, network, and virtualization technologies.

Responsibilities

• Install, configure, maintain, patch, upgrade, and secure Windows Server and Workstation OS in OT environments.
• Configure AD, DNS, DHCP, Group Policy, and related services.
• Design, deploy, and troubleshoot industrial network infrastructure, including routers and firewalls.
• Implement secure remote access solutions and VPN technologies.
• Support SCADA/HMI/PLC connectivity and OT system communications.
• Develop and maintain network diagrams and installation documentation.

Skills

Windows Server

Active Directory

Industrial networking

Firewall configuration

Remote access technologies

Education

Bachelor's degree in Information Technology / Cybersecurity / CS

Tools

VMware ESXi

Hyper-V

Fortinet

Cisco networking

Job description

Inframark is seeking an experienced OT Infrastructure Engineer to design, deploy, and manage secure OT infrastructure for water and utility systems. You will work with project teams, field personnel, and cybersecurity resources to deliver reliable OT environments and support lifecycle management.

The role covers Windows server administration, virtualization, industrial networking, firewall configuration, secure remote access, SCADA/HMI/PLC connectivity, and cybersecurity hardening, with