Cost Accountant

TriMas Corporation • Auburn, WA • Full Time

Posted on Tue, Jun 2, 2026

Cost Accountant

Company:  Rieke LLC

Primary Location:  500 W 7th Street, Auburn, IN 46706 USA

Workplace Type: On-site

Employment Type: Salaried | Full-Time

Function:  Finance

Equal Opportunity Employer Minorities/Women/Veterans/Disabled

Main Duties & Responsibilities

Position Summary:
The Cost Accountant maintains the manufacturing costing system for up to four manufacturing facilities and is responsible for ensuring that costing data is complete, accurate, and timely. In this role, you will partner with operations and engineering personnel to identify and implement cost-reduction opportunities and provide business leadership with cost analysis to support decision making. The Cost Accountant plays a central role not only in tracking costs but also in facilitating discussions across all manufacturing disciplines. 

Primary Duties and Responsibilities:

Key Working Relationships:
General Manager, plant leadership team, and other finance counterparts within the organization
Key Performance Indicators:

This role is required to be on-site 5 days at the Auburn, IN location.

About Us 
TriMas Packaging is a global provider of dispensing, closure, flexible packaging and custom solutions serving the beauty and personal care, food and beverage, home care, pharmaceutical and nutraceutical, and industrial and agricultural markets. With 22 locations worldwide and a strong culture built on safety, innovation and sustainability, we design and manufacture high-quality packaging solutions that meet the standards our customers expect. 

Through ongoing innovation and close collaboration with our customers, we continuously enhance our expertise, expand our customer reach and broaden our product portfolio. Together, our people, products and shared commitment to excellence drive us to shape the future of packaging. 
Why Join TriMas Packaging? 
At TriMas Packaging, we care beyond packaging. Our success starts with our people, and we are committed to creating an environment where every employee feels valued, supported and empowered to make a meaningful impact.  

When you join our team, you become part of a global, collaborative and purpose-driven organization committed to: 
Creating Value – We deliver innovative, high-quality packaging solutions by leveraging advanced technologies, state-of-the-art facilities and a global network built on trust. 
Supporting Our People – Our employees are the foundation of our success. We embrace diversity, encourage collaboration and foster an inclusive workplace focused on safety, respect and continuous learning. 
Driving Innovation – We invest in continuous improvement and operational excellence, empowering our teams to develop new ideas and deliver exceptional results for our customers. 
Building a Sustainable Future – We are committed to reducing our environmental impact and developing sustainable packaging solutions that benefit our customers, our communities and our planet. 
We offer competitive benefits, a supportive culture and the opportunity to work with international teams around the globe. 
If you’re looking for a place where you can build your career, be challenged and make a difference, TriMas Packaging is the place for you. 

Qualifications

Qualifications and Skills:  

Benefits

Benefit offerings include Medical Insurance and Prescription Drugs, Dental Insurance, Vision Insurance, Flexible Spending Accounts, Life Insurance, Short-Term Disability, Long-Term Disability Insurance (for eligible employees), Employee Assistance Plan (EAP), Paid Time Off (may include vacation and sick time), Retirement Program, and Other Voluntary Benefits.

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