System Administrator (IT/OT - Industrial Environmental)

Systems Administrator to support a 24/7 industrial plant (~400 users), maintaining secure, reliable IT infrastructure while enabling connectivity between plant-floor (OT) systems and enterprise IT. This role is critical to uptime, cybersecurity, and operational continuity.

Core Responsibilities

• Manage servers, endpoints, Active Directory, and core network services.
• Ensure high system availability through monitoring, performance tuning, and proactive support.
• Secure and maintain network infrastructure (switches, firewalls, IT/OT segmentation).
• Troubleshoot issues across servers, networks, and enterprise applications.
• Lead patching, updates, and vulnerability remediation efforts.
• Apply cybersecurity controls aligned with enterprise and industrial standards.
• Support OT system connectivity and integration with enterprise platforms.
• Partner with operations, engineering, and IT to support production systems.
• Maintain clear documentation of systems, networks, and procedures.
• Support incident response and root cause analysis for outages and security events.

• 5+ years in systems, infrastructure, or network administration (Bachelor’s preferred).
• Strong experience with Windows Server and Active Directory.
• Solid networking fundamentals (TCP/IP, VLANs, routing, switching, firewalls).
• Exposure to OT/DCS environments and IT/OT network segmentation.
• Experience with monitoring, patching, and endpoint management tools.
• Proven troubleshooting skills in fast-paced or industrial environments.
• Ability to work cross-functionally with technical and operations teams.
• Cybersecurity awareness across enterprise and industrial systems.
• Relevant certifications (CompTIA Network+, Security+, Microsoft, etc.) are a plus.
• Experience in manufacturing, chemical, or other industrial settings preferred.

Excellent medical, dental, and vision insurance plans

Flexible spending accounts for health, dependent care

Short-term Disability

Long-term Disability

Group Term Life, Dependent and Supplemental Life Insurance

Tuition Reimbursement

Work/Life Balance

10 Paid Holidays

Paid Time Off for a balanced life (Vacation, Sick and Personal Time)

FlexTime Available

Competitive Compensation

Competitive salary, incentive/bonus, 401(k) plan with company match, Cash Balance, Pension Plan

Founded in 1978, Formosa Plastics Corporation, U.S.A. (Formosa Plastics) is a growing, vertically-integrated supplier of plastic resins and petrochemicals. With annual revenues of more than $5 billion, we employ over 2,800 people who operate 20 production units in six business divisions - Olefins, Polyolefins, Vinyl, Specialty Polyvinyl Chloride, Chlor-Alkali, and Oil & Gas.

Formosa Plastics offers a full line of polyvinyl chloride, polyethylene and polypropylene resins, caustic soda and other petrochemicals that deliver the consistency, performance and quality that customers demand. We market our polypropylene and polyethylene resins under the Formolene tradename; we market our suspension PVC and specialty (dispersion) PVC resins under the Formolon tradename. We also produce and sell caustic soda, ethylene dichloride, commercial bleach and hydrochloric acid.

We are committed to supplying the highest quality products and services to our customers, providing a safe and healthy workplace for our employees and contributing to the quality of life in the communities where we operate. This commitment is made possible through our dedicated people, consistent products, continued protection of the environment and ongoing investments in new product development, quality control systems and safe, modern and energy-efficient production facilities.

Formosa Plastics is a privately held company headquartered in Livingston, New Jersey. Our core business, producing plastic resins and petrochemicals, takes place at three wholly-owned chemical manufacturing subsidiaries located in Delaware City, Delaware, Baton Rouge, Louisiana and Point Comfort, Texas.