Office Manager

Location: South Windsor

At Sibelco, we advance life through materials.
For over 150 years, we’ve been a trusted leader in sourcing, transforming, and distributing specialty industrial minerals. Our work powers progress across industries as diverse as glass, ceramics, construction, coatings, polymers, and water purification. Beyond our materials, we’re proud of our commitment to sustainability, innovation, and empowering people from all walks of life to thrive and make a meaningful impact.

Are We the Perfect Match?

At Sibelco, we believe building a successful career is a two-way journey. We’re looking for individuals who share our values and vision, just as much as you’re seeking a company that aligns with your aspirations. Together, we can shape the future.

Job Description:

Sibelco is North America's leading glass recycler and environmental steward, helping conserve natural resources through innovative recycling solutions. We are seeking a highly organized and technically proficient Plant Administrator to support the daily administrative, operational, and customer service functions of our facility.

The Office Manager serves as a key business partner to plant leadership, employees, customers, suppliers, and transportation providers while ensuring accurate administrative processes, reporting, purchasing, payroll support, inventory transactions, and operational documentation.

Responsibilities

• Support daily plant administrative and office operations to ensure efficient business processes and continuity of operations.
• Process payroll and maintain employee administrative records, including timekeeping support and employee system enrollment.
• Create and manage purchase orders, receipt of goods and services, and other procurement-related transactions.
• Maintain accuracy of operational, inventory, shipping, receiving, and production records within SAP and other business systems.
• Prepare, review, and distribute reports for internal stakeholders, customers, and corporate partners.
• Coordinate transportation and logistics activities, including outbound shipments, freight requests, inventory transfers, and communication with carriers and rail service providers.
• Support inventory control processes through reporting, transaction entry, and reconciliation activities.
• Serve as a primary point of contact for customers, suppliers, haulers, visitors, and other business partners by responding to inquiries and resolving routine administrative issues.
• Coordinate office and operational supply purchasing to support plant needs.
• Assist with scale operations, transaction processing, and documentation as needed to support plant workflow.
• Support employee questions and facilitate communication with corporate departments, including Human Resources and Payroll.
• Maintain accurate records, documentation, and compliance-related administrative files.
• Provide administrative support to plant leadership and assist with special projects and additional duties as assigned.

Required Skills & Qualifications

• High school diploma or equivalent required; Associate's degree or additional business coursework preferred.
• 3+ years of administrative, office management, plant administration, or related experience in a manufacturing, recycling, logistics, or industrial environment preferred.
• Demonstrated experience processing payroll, purchasing transactions, reporting, and office administration activities.
• Advanced proficiency in Microsoft Office Suite, including Excel, Word, Outlook, and PowerPoint.
• Experience working within ERP systems; SAP experience strongly preferred.
• Strong analytical skills with the ability to manage data, reports, and multiple priorities with a high degree of accuracy.
• Excellent organizational, time management, and problem-solving skills.
• Effective written and verbal communication skills with the ability to interact professionally with employees, customers, suppliers, and transportation partners.
• Ability to handle confidential information with discretion and professionalism.
• Strong attention to detail and commitment to process accuracy.

You'll Earn

Direct & Permanent Employment, Weekly Pay, Medical, Dental, Vision Coverage, 401(k), Paid Time Off, and opportunities for professional growth and advancement.

Employee Type:

Why Join Us?

Sibelco is more than a workplace—it’s a community that encourages growth, innovation, and collaboration. Here’s what you can look forward to when you join our team:

• Meet Our People: Careers

• Learn About Our Recruitment Process: Learn More

• Discover Our Sustainability Goals: Sibelco priorities

We also welcome applications from all backgrounds and are committed to providing reasonable adjustments to support you through the selection process.

How to Apply

Follow us on LinkedIn, Instagram, Twitter/X and Facebook to learn more about life at Sibelco. Submit your application in the Apply option.

Please note: We do not require agency services as we have a dedicated Global Talent Acquisition Team.