Systems Analyst; OT

Posted Wednesday, January 14, 2026 at 6:00 AM

Step into the future with Inframark's award-winning Automation and Intelligence team. We deliver cutting-edge solutions in instrumentation and controls, industrial cybersecurity, data analysis, and remote network operations center services for water and wastewater plants. Elevate your career and join us ly today!

Our dedication to sustainability and community impact drives us to ensure clean, safe water for future generations. Whether you're at the start of your career or looking for advancement, Inframark offers purpose-driven work and opportunities for growth. We offer an attractive salary package, including a generous benefits package with health, dental, and life insurance, 401(k) plan, paid time off, sick leave, holidays, and wellness plan.

The Operational Technology (OT) Network and Systems Administrator is a technical subject matter expert to assist in the design and deployment of IT/OT infrastructure, ensuring seamless integration of industrial control systems (ICS) with IT networks. The role involves configuring and deploying servers, workstations, and network equipment while ensuring system security, reliability, and performance in industrial environments. This position will be reporting to the VP of Information and Operational Technology.

• Effective design and support of operational technology infrastructure for projects and services within Inframark A&I.
• Successful engagement and collaboration with project teams to ensure accuracy and timeliness of deliverables.
• Lead and manage each assigned project, ensuring delivery within the contracted scope, schedule, and budget, while continuously improving project efficiency, customer experience, and profitability. Consistently exceed key performance indicators related to customer satisfaction, profitability, and quality of deliverables.

• Configure and deploy Windows and Linux servers in IT/OT environments.
• Configure and deploy workstations and thin clients for operators, engineers, and technicians.
• Install and configure virtualization solutions (VMware, Hyper‑V).
• Implement system updates, patches, and security hardening for IT/OT assets.
• Develop and maintain system documentation and configuration guides.
• Configure, deploy and troubleshoot networking devices (managed switches, routers, firewalls, cellular gateways).
• Implement network segmentation and security best practices (e.g., firewalls, VLANs, ACLs).
• Design and implement secure remote access solutions for customers and support teams.
• Maintain accurate network documentation including topology diagrams, IP address schemes, and device configurations.

• Assist in deployment and integration (SCADA for high‑level monitoring, DCS for complex process control, PLC for individual machine control, HMI for operator interaction) and IT/OT Network infrastructure.
• Support industrial automation projects by ensuring proper data flow between field devices and enterprise systems.
• Work with cloud and edge computing solutions for data analytics and industrial IoT (IIoT) applications.
• Assist in evaluating and integrating new technologies and systems as part of digital transformation initiatives.

• Implement security best practices aligned with IEC 62443, NIST CSF, and other industry standards.
• Conduct system hardening and vulnerability assessments for IT/OT environments.
• Implement firewalls, intrusion detection/prevention, and endpoint security.
• Ensure compliance with industry regulations and customer security requirements.

• Provide on‑site and remote support for IT/OT systems, including incident response and root cause analysis.
• Collaborate with operators, engineers, and IT teams to troubleshoot and diagnose system failures.
• Train end users and plant personnel on system functionality and best practices.

• The OT Network and Systems Administrator reports to the VP of IT / OT.
• The OT…