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13826BRJob Description: We are looking for a detail-oriented and security-conscious Server Management Specialist to support our Operations Technology (OT) infrastructure. This role is essential in maintaining the reliability, performance, and cybersecurity of servers that support industrial control systems (ICS), SCADA environments, and other mission-critical OT assets.

Key Responsibilities

• Deploy, configure, and maintain OT servers (Windows/Linux) in industrial environments

• Ensure high availability and redundancy of OT systems supporting manufacturing or critical infrastructure

• Monitor server health, performance, and security using specialized OT monitoring tools

• Manage backups, disaster recovery, and patching schedules in compliance with OT change control policies

• Collaborate with OT cybersecurity teams to enforce network segmentation, access controls, and compliance standards (e.g., NERC CIP, NIST 800-82)

• Support virtualization platforms (e.g., VMware ESXi) and hyperconverged infrastructure in OT networks

• Maintain detailed documentation of server configurations, network diagrams, and system baselines

• Coordinate with Automation Engineering, maintenance, and IT teams to ensure seamless integration of OT systems

  Qualifications

• Bachelor’s degree in Information Technology, Industrial Engineering, or related field (or equivalent experience)

• 3+ years of experience in server administration, preferably in OT or industrial environments

• Strong knowledge of Windows Server, Active Directory, and Linux systems

• Familiarity with ICS/SCADA systems (e.g., Rockwell, Siemens, GE, Schneider Electric)

• Experience with OT-specific cybersecurity practices and standards

• Proficiency in virtualization (VMware, Hyper-V) and backup solutions (e.g., Veeam)

• Scripting experience (PowerShell, Bash) is a plus

• Excellent troubleshooting, documentation, and communication skills

  Preferred Certifications

• CompTIA Server+ or Network

• • Microsoft Certified: Windows Server Hybrid Administrator Associate

• GIAC Global Industrial Cyber Security Professional (GICSP)

• ISA/IEC 62443 Cybersecurity Certificate

  Auto req ID:13826BRCompany:Big River Steel LLCPosting Title:Process Control Architect I, BRSWork Location - City:Osceola 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.)

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