Plant Administrator – Streamline Ops & Compliance

Sibelco; Windsor (CO); Hybrid; USD 55,000 - 75,000; Full time

Benefits offered by this job

Weekly Pay

Medical Coverage

Dental Coverage

Vision Coverage

401(k)

Paid Time Off

Job summary

Sibelco is seeking a highly organized Office Manager to support daily plant operations at our Windsor facility. You will partner with plant leadership, handle payroll, procurement, reporting, and maintain critical records in SAP and other systems.

Ideal candidates bring 3+ years in manufacturing-adjacent administration, strong MS Office skills, ERP experience (SAP preferred), and excellent organizational abilities.

Qualifications

• 3+ years in administrative, office management, plant administration, or related role in manufacturing, recycling, logistics, or industrial settings.
• Experience processing payroll, purchasing, reporting, and general office administration.
• Advanced proficiency in Microsoft Office (Excel, Word, Outlook, PowerPoint).
• Experience with ERP systems; SAP preferred.
• Strong analytical, organizational, and communication skills; ability to handle confidential information.

Responsibilities

• Support daily plant admin and office operations to ensure efficient processes.
• Process payroll and maintain employee records; assist with timekeeping and enrollment.
• Create and manage purchase orders and procurement transactions.
• Maintain accuracy of inventory, shipping, receiving, and production records in SAP and other systems.
• Prepare and distribute reports for internal stakeholders and partners.
• Coordinate transportation, logistics, and carrier communications; support inventory transfers.
• Support inventory control, data reporting, and reconciliation activities.
• Serve as a point of contact for customers, suppliers, haulers, and visitors; resolve routine issues.
• Coordinate office supply purchasing and assist with scale operations and payroll questions from staff.
• Provide admin support to plant leadership and participate in special projects.

Skills

Payroll processing

Procurement

Data reporting

Microsoft Office

Communication

Time management

Problem-solving

Education

High school diploma or equivalent

Associate's degree or business coursework

Tools

SAP

ERP systems

Job description

Sibelco is seeking a highly organized Office Manager to support daily plant operations at our Windsor facility. You will partner with plant leadership, handle payroll, procurement, reporting, and maintain critical records in SAP and other systems.

Ideal candidates bring 3+ years in manufacturing-adjacent administration, strong MS Office skills, ERP experience (SAP preferred), and excellent organizational abilities.