Accounting Clerk/Office Coordinator

TriMas Corporation; Michigan; Hybrid; USD 29,000 - 33,000; Full time

Job summary

Omega Plastics Inc. seeks an Accounting Clerk/Office Coordinator to support daily accounting operations and front-office tasks at its Clinton Township facility in Michigan.

The role covers accounts payable, vendor communications, and month-end close assistance, plus greeting visitors and supporting client visits on-site. Strong organization and communication skills are essential for success.

Qualifications

• 2+ years in accounts payable, accounting, bookkeeping, or a related financial role.
• Experience processing invoices and vendor statements.
• Strong attention to detail and accuracy.
• Proficient with Microsoft Office, especially Excel and Outlook.
• Ability to manage multiple priorities and meet deadlines.
• Strong written and verbal communication; maintains confidentiality.

Responsibilities

• Post accounts payable invoices in ERP systems and reconcile vendor statements.
• Process ACH and check payments; maintain payment records.
• Assist with month-end close for AP/AR and ESG data entry.
• Provide front-office support: phones, visitors, mail, supplies.
• Collaborate with Plant Controller on special projects and accounting tasks.

Skills

Accuracy & Detail

Accountability

Organization

Problem Solving

Communication

Confidentiality

Teamwork

Continuous Improvement

Education

High School Diploma

Associate Degree in Accounting/Finance

Tools

Microsoft Excel

ERP Systems (Epicor)

OneStream

iPayables

Job description

Accounting Clerk/Office Coordinator

Company: Omega Plastics Inc

Primary Location: 24401 Capital Blvd, Clinton Township, MI 48036 USA

Workplace Type: On-site

Employment Type:Hourly | Full-Time

Function: Administrative

Equal Opportunity Employer Minorities/Women/Veterans/Disabled

Position Summary

We are seeking a detail-oriented, organized, and collaborative Accounting Clerk/Office Coordinator to support the day-to-day accounting operations along with supporting or client visits onsite for our manufacturing facility in Clinton Township, Michigan.

This position will have responsibility for accounts payable activities across multiple business entities, including invoice processing, vendor statement reconciliation, payment processing, payment documentation, and AP issue resolution. The position will also provide backup support for accounts receivable, cash receipts, account reconciliations, month-end close, and other accounting projects.

In addition to accounting responsibilities, this role will provide professional front-office support, including answering phones, greeting visitors, supporting client visits onsite, managing mail, and maintaining office and conference room supplies. The successful candidate will be highly organized, comfortable working with deadlines and multiple priorities, and able to communicate effectively with vendors, employees, management, and members of the accounting team.

Primary Duties and Responsibilities

Accounts Payable -

• - Post accounts payable invoices in ERP systems


• - Review and reconcile vendor


• - Monitor, review, and respond to accounts payable emails for all assigned entities.


• - Administrative task related to invoices


• - Track outstanding documentation and follow up with internal departments regarding missing approvals, receipts, purchase orders, or other required documentation.


• - Prepare Payment Proposal Reports for the Plant Controller.


• - Process ACH and manual check payments


• - Match payment remittances with corresponding invoices and maintain accurate payment records.


• - Deposit physical checks using company-approved scanning and deposit software.


• - Assist with credit card payment processing


• - Review credit card receipts and post related accounting entries


• - Review Received Not Invoiced reports and assist with resolution of outstanding items.


• - Research and resolve invoice discrepancies, payment issues, and vendor questions in coordination with the accounting team.


• - Assist with month-end closing activities, including accounts payable and accounts receivable close procedures.


• - Complete required ESG data entry and maintain accurate information


• - Provide backup support for Staff Accountant: accounts receivable, posting receipts, etc.


• - Assist the Plant Controller and accounting team with special projects and other accounting activities as needed.

Office & Administrative Support -

• - Answer and direct incoming phone calls in a professional and courteous manner.


• - Greet and sign in visitors in accordance with company SOPs and visitor requirements.


• - Maintain conference room supplies, including drinks, snacks, coffee, and other necessities.


• - Coordinate lunch orders for clients and upper management.


• - Monitor and replenish visitor refreshments and supplies.


• - Receive, sort, and distribute incoming mail.


• - Maintain inventory of office supplies and place orders as needed.


• - Support a professional, organized, and welcoming office environment.

Key Competencies

The ideal candidate will demonstrate: Accuracy & Attention to Detail: Ensures invoices,payments, reconciliations, and accounting entries are accurate. Accountability: Takes ownership of assigned responsibilities and follows issues through to resolution. Organization: Effectively manages multiple entities, deadlines, vendors, and accounting activities. Problem Solving: Investigates discrepancies and identifies solutions rather than simply identifying problems. Communication: Communicates professionally with vendors, employees, management, and accounting partners. Confidentiality & Integrity: Handles financial information responsibly and professionally. Teamwork: Works collaboratively with the Plant Controller and accounting team and provides backup support when needed. Continuous Improvement: Looks for opportunities to improve accounting processes, organization, accuracy, and efficiency.

Physical & Work Environment

This is primarily an office-based position within a manufacturing facility. The employee will regularly use a computer, telephone, copier/scanner, and other standard office equipment. The position may occasionally require movement throughout the manufacturing facility and the ability to lift or move light office materials and supplies. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions of the position.

Qualifications

• - High school diploma or equivalent.


• - 2+ years of experience in accounts payable, accounting, bookkeeping, or a related financial role.


• - Experience processing invoices and working with vendor statements.


• - Strong attention to detail and accuracy.


• - Strong organizational and time-management skills.


• - Ability to manage multiple priorities and meet accounting deadlines.


• - Proficiency with Microsoft Office, particularly Excel and Outlook.


• - Strong written and verbal communication skills.


• - Ability to maintain confidentiality when handling financial and business information.


• - Ability to work independently while also collaborating effectively with the accounting team.

Preferred -

• - Associate degree in Accounting, Finance, Business, or a related field.


• - Experience with Epicor, iPayables, OneStream, or similar ERP/accounting systems


• - Experience with ACH and check payment processing.


• - Experience with month-end close activities.


• - Experience supporting both AP and AR functions.


• - Experience working with multiple legal entities or business units.

Compensation

The expected pay range for this position is $21 - $24 an hour.

Why Join Us?

This position provides an opportunity to become an integral part of the accounting and operations team within a manufacturing environment. You will have exposure to multiple business entities and a broad range of accounting processes while working closely with the Plant Controller and broader accounting organization along with the Program Management Team and Director of Sales. We are looking for someone who wants to take ownership, contribute to the team, and grow their accounting knowledge and responsibilities over time.

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.