OT Infrastructure Engineer – SCADA, Networking & Security

Inframark LLC in; Johnson City (TN); On-site; USD 90,000 - 125,000; Full time

Job summary

Inframark is seeking an OT Infrastructure Engineer to design, deploy, and support secure OT environments for water, wastewater, and critical infrastructure. The role collaborates with project teams, field personnel, and cybersecurity resources to ensure reliable OT systems and safe remote access.

Responsibilities include Windows Server administration, Active Directory, virtualization (VMware/Hyper-V), industrial network design, firewall configuration, SCADA/HMI/PLC connectivity, and

Qualifications

• Bachelor's degree preferred; equivalent experience considered.
• 5+ years in IT/OT/utility environments.

Responsibilities

• Install, configure, and secure Windows Server and Workstations.
• Configure Active Directory, DNS, DHCP, and Group Policy.
• Design, deploy, and support industrial network infrastructure.
• Migrate secure remote access and VPN solutions.
• Support SCADA, HMI, PLC connectivity and telemetry.

Skills

Windows Server

Active Directory

Virtualization

Industrial networks

OT cybersecurity

SCADA/HMI/PLC

Education

Bachelor's degree in IT/CS/Engineering

Tools

VMware/Hyper-V

Fortinet/Cisco firewalls

Job description

Inframark is seeking an OT Infrastructure Engineer to design, deploy, and support secure OT environments for water, wastewater, and critical infrastructure. The role collaborates with project teams, field personnel, and cybersecurity resources to ensure reliable OT systems and safe remote access.

Responsibilities include Windows Server administration, Active Directory, virtualization (VMware/Hyper-V), industrial network design, firewall configuration, SCADA/HMI/PLC connectivity, and