08-Jan-2026

Big River Steel LLC

Osceola

13750BR

Job Description

Position Overview
We are seeking an Operations Technology Specialist with strong expertise in Human-Machine Interfaces (HMI), Programmable Logic Controllers (PLC), and server management. This role is critical in ensuring the reliability, efficiency, and security of our industrial control systems and supporting infrastructure.
Key Responsibilities

• Design, configure, and maintain HMI systems to optimize operator interaction with industrial processes.
• Program, troubleshoot, and support PLC systems for automation and process control.
• Manage and maintain servers supporting OT applications, including patching, backups, and performance monitoring.
• Collaborate with engineering and IT teams to integrate OT systems with enterprise networks securely.
• Conduct system diagnostics, root cause analysis, and implement corrective actions for OT-related issues.
• Ensure compliance with cybersecurity standards and best practices in OT environments.
• Provide technical support and training to operations staff on OT systems.
• Document configurations, procedures, and system changes for audit and knowledge-sharing purposes.

• Bachelor’s degree in Electrical Engineering, Computer Science, Industrial Automation, or related field (or equivalent experience).
• Hands-on experience with HMI design tools (e.g., Wonderware, Ignition, FactoryTalk View).
• Proficiency in PLC programming (Allen-Bradley, Siemens, or similar platforms).
• Strong knowledge of Windows/Linux server administration.
• Familiarity with industrial communication protocols (Modbus, OPC, Ethernet/IP).
• Understanding of networking fundamentals and cybersecurity in OT environments.
• Excellent problem-solving skills and ability to work independently or in cross-functional teams.

• Experience with SCADA systems and industrial data historians.
• Knowledge of virtualization technologies (VMware, Hyper-V).
• Exposure to cloud integration for industrial systems.
• Certifications such as CCNA, CompTIA Security+, or ISA/IEC 62443 are a plus.

• Job Type: Full-time
• Location: On-site with occasional remote support
• Travel: Minimal, may include visits to plant sites or vendor facilities

Competency Summary

At U. S. Steel all employees are expected to display the following core competencies every day to advance corporate, team and individual goals:

Think: Think Critically and Drive Change
Lead: Develop Talent and Collaborate
Do: Empower Performance and Deliver Results

Company Overview

Since 1901, U. S. Steel has been a recognized leader in steel production. Today, as the first North American steel company to have declared a 2050 net-zero greenhouse gas emissions goal, we remain as innovative as ever, leading transformation across our industry while continuing to make products for everyday life - from industries as far ranging as automotive, construction, containers and packaging, appliances, and energy.

Underneath it all is our Culture of Caring, which shows up in our community partnerships, charitable contributions, company-sponsored employee volunteer initiatives, scholarship programs, leadership training, and much more. And of course, it takes shape in a steadfast commitment to safety first in our workplaces and respect for our employees, who are United by Steel.

We are honored to have earned accolades and awards from well-regarded organizations, including the following:

• Ethisphere’s World’s Most Ethical Companies® 2022, ’23, ‘24
• Disability: IN’s Best Places to Work for Disability Inclusion 2021, ’22, ’23, ‘24
• Human Rights Campaign Foundation’s Equality 100 Award 2020, ’21, ’22, ’23-24, ‘25
• Military Times’ Best for Vets: Employers 2023, ‘24

Conducting business with integrity and with the highest ethical values has underpinned U. S. Steel’s success for over 100 years, and it remains critical to our company’s success in the future. U. S. Steel is an Equal Opportunity Employer. It is our policy to provide equal employment opportunity (EEO) according to job qualifications without discrimination on the basis of race, color, religion, ancestry, national origin, age, genetics, sexual orientation, sex, gender identity, disability status or status as a protected Veteran or any other legally protected group status. (California residents may visit www.ussteel.com/CANotice regarding collection of personal information and U. S. Steel's privacy practices.)