Industrial OT Systems Engineer — SCADA & Security

Inframark LLC; North Charleston (SC); On-site; USD 110,000 - 140,000; Full time

Job summary

Inframark is seeking an Operational Technology Infrastructure Engineer to design, deploy, and support secure OT infrastructure for water, wastewater, and critical systems. You will work with project teams, field personnel, and cybersecurity resources to deliver reliable OT environments, including Windows servers/workstations, SCADA, HMI, PLCs, and remote access solutions.

The role emphasizes hardening, vulnerability remediation, and secure connectivity, with opportunities to lead incident

Qualifications

• Bachelor's degree in Information Technology, Cybersecurity, Computer Science, Engineering, or a related field preferred; equivalent experience may be considered.
• 5+ years of experience supporting information technology, operational technology, industrial network, or utility environments.
• Experience deploying, administering, and supporting server, workstation, network, and virtualization technologies.

Responsibilities

• Install, configure, maintain, patch, upgrade, and secure Windows Server and Workstation operating systems supporting OT environments.
• Configure and support Microsoft Active Directory, DNS, DHCP, Group Policy, and related infrastructure services.
• Install, configure, and support virtualization platforms including VMware ESXi, vSphere, and Hyper-V.
• Design, deploy, support, and troubleshoot industrial network infrastructure, including switching, routing, firewalls, VPNs, wireless, and cellular communications.
• Design, deploy, support, and migrate secure remote access solutions, including IPsec VPN technologies, BeyondTrust, and approved remote connectivity platforms.
• Support SCADA, HMI, PLC, alarming, telemetry, and operational technology system communications and connectivity.
• Provide technical input for infrastructure design, hardware selection, project estimates, and customer solutions.
• Evaluate and implement technologies that improve system reliability, maintainability, operational performance, and cybersecurity.
• Develop and maintain network diagrams, configuration standards, installation documentation, and support procedures.
• Implement and support cybersecurity controls including system hardening, vulnerability remediation, endpoint protection, certificate management, and secure remote access technologies.
• Provide remote and onsite support for customer OT infrastructure environments.
• Support startup, commissioning, warranty, managed services, and incident response activities.
• Perform troubleshooting and root cause analysis for infrastructure, communications, and system issues.
• Train customers, operators, and internal personnel on supported technologies, support processes, and security best practices.
• Support server, workstation, networking, firewall, and remote access standardization efforts across customer environments.

Skills

Windows Server

Active Directory

Virtualization

SCADA networks

Industrial networking

Firewall security

Remote access

Education

Bachelor's degree in Information Technology, Cybersecurity, Computer Science, Engineering, or a related field preferred; equivalent experience may be considered.

Tools

VMware ESXi / vSphere

Hyper-V

Fortinet FortiGate

FortiNAC

Veeam

Job description

Inframark is seeking an Operational Technology Infrastructure Engineer to design, deploy, and support secure OT infrastructure for water, wastewater, and critical systems. You will work with project teams, field personnel, and cybersecurity resources to deliver reliable OT environments, including Windows servers/workstations, SCADA, HMI, PLCs, and remote access solutions.

The role emphasizes hardening, vulnerability remediation, and secure connectivity, with opportunities to lead incident