Administrative Assistant

SIGMA; Vernon (CA); On-site; USD 42,000 - 65,000; Full time

Benefits offered by this job

401(k)

Dental insurance

Employee assistance program

Health insurance

Paid time off

Vision insurance

Job summary

Sigma is seeking an on-site Accounting Administrator to process invoices, apply funds, reconcile accounts, and support fleet operations. The role requires organizing vendor records, managing payments, and maintaining inventory and expense controls across SAP and HighJump systems.

Ideal candidates have strong MS Office skills, at least a year of related experience, and bilingual English/Spanish abilities. This position runs Monday through Friday in a standard office setting with comprehensive

Qualifications

• High school diploma, GED, or equivalent required.

Responsibilities

• Process accounts payable and expense reimbursements, including checks and money orders.
• Review cost and inventory accuracy between SAP and HighJump systems.
• Apply funds in collaboration with Accounts Receivable and follow up with customers on statements.
• Prepare invoices and submit customer claims; enter credit memos and open deductions.
• Set up new vendors, maintain files (W-9s, insurance documents), and support fleet maintenance.
• Assist with converting customers to lockbox or ACH payments; reconcile petty cash.
• Support FMCSA compliance and coordinate fleet and equipment repairs.

Skills

Bilingual English/Spanish

Supervisory experience

Bookkeeping experience

Accounts receivable

Accounts payable

Route cash settlement

Inventory controls

Fleet controls

Education

High school diploma or equivalent

Tools

SAP ERP (FI, CO, MM, PM)

Microsoft Office (Outlook, Word, Excel)

Job description

Position Summary:

Process inventory and company funds, apply cash to invoices and open accounts receivable balances, prepare invoices, and issue customer statements. Support Office Administrators with duties related to office equipment, warehouse operations, industrial power equipment, and the private fleet. This is a on site Monday-Friday 8:00am-4:30pm position.

Essential Job Functions:

• Process accounts payable and expense reimbursement funds, including but not limited to checks and money orders.
• Review cost and inventory accuracy between SAP and HighJump systems.
• Ensure accurate application of funds in collaboration with Accounts Receivable.
• Follow up with customers regarding statements and work with the sales team.
• Prepare invoices and submit customer claims.
• Enter credit memos, promotions, and open deductions.
• Issue bill-back credits and book adjustments in SAP.
• Assist with converting customers to lockbox or ACH payments.
• Process inventory and company funds, including route settlements and petty cash.
• Reconcile petty cash expenditures.
• Follow up to ensure fixed-asset paperwork is current.
• Provide fixed-asset information to the Accounting Department.
• Set up new vendors and maintain current files, including W-9 forms and liability insurance documents.
• Maintain Sigma's CEDI signature catalog.
• Support the Marketing Department with shipping samples and sourcing coolers and dry ice.
• Coordinate maintenance and repairs, including fleet maintenance.
• Review, file, and maintain fleet reports, including fuel receipts and Driver Vehicle Inspection Reports.
• Gather accident reports and communicate them to the appropriate committee.
• Support FMCSA compliance.
• Coordinate sales equipment repairs and replacements.
• Perform other duties as assigned.

Minimum Qualifications:

• High school diploma, GED, or equivalent.

Preferred Qualifications:

• One year of experience in bookkeeping, accounts receivable, accounts payable, route cash settlement, inventory controls, or fleet controls.
• Proficiency in Microsoft Office, including Outlook, Word, and Excel.

Supervisory experience.

• Experience with SAP ERP modules FI, CO, MM, and PM.
• Bilingual fluency in English and Spanish, including reading, writing, and speaking.

Physical Requirements

Usual office environment with frequent sitting, walking, and standing, as well as occasional climbing, stooping, kneeling, crouching, crawling, and balancing. Frequent use of eye, hand, and finger coordination, enabling the use of office machinery. Oral and auditory capacity enabling interpersonal communication and communication through automated devices, such as the telephone.

• 401(k)
• Dental insurance
• Employee assistance program
• Health insurance
• Paid time off
• Vision insurance
• And more……

Equal Employment Opportunity Statement

Sigma Foods and the Bar-S brand areEqual Opportunity Employers. We are committed to providing equal employment opportunities to all applicants and employees and do not discriminate based on race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, veteran status, or any other status protected by federal, state, or local law.

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