Staff Accountant

WINONICS; Brea (CA); On-site; USD 65,000 - 90,000; Full time

Job summary

WINONICS is seeking a detail-oriented Staff Accountant to join our Finance team. This role maintains the accuracy of the company's financial records through general ledger accounting, reconciliations, reporting, and supporting month-end and year-end closes.

The ideal candidate has manufacturing experience, strong GAAP knowledge, and proficiency with ERP systems and Excel. We are an ITAR-compliant facility and background checks plus pre-employment drug screening are required.

Qualifications

• Degree in Accounting, Finance, or related field.

Responsibilities

• Maintain and reconcile general ledger accounts per GAAP.

Skills

Analytical skills

Organizational skills

Problem-solving skills

Attention to detail

Education

Bachelor's degree in Accounting, Finance, or a related field

Tools

Sage 100

Microsoft Dynamics

NetSuite

SAP

Oracle

Epicor

Job description

Position Summary

We are seeking a detail-oriented and motivated Staff Accountant to join our Finance team. This position is responsible for maintaining the accuracy and integrity of the Company's financial records through general ledger accounting, account reconciliations, financial reporting, and supporting the month-end and year-end close processes. The Staff Accountant will also provide day-to-day oversight and guidance to the Accounts Payable and Accounts Receivable Accountants, ensuring timely and accurate transaction processing while promoting collaboration across the accounting team. The ideal candidate has strong technical accounting knowledge, excellent analytical skills, and experience working in a manufacturing environment.

Essential Duties & Responsibilities

• Maintain and reconcile general ledger accounts, ensuring the accuracy and integrity of assets, liabilities, equity, revenue, and expense accounts in accordance with GAAP.
• Oversee the daily operations of the Accounts Payable and Accounts Receivable functions by providing guidance, reviewing work for accuracy, resolving issues, and ensuring timely completion of tasks.
• Prepare and post journal entries, including accruals, deferrals, depreciation, amortization, account reclassifications, and other adjusting entries.
• Perform monthly balance sheet reconciliations, investigate account discrepancies, and implement timely resolutions.
• Support the month-end, quarter-end, and year-end close processes by preparing journal entries, reconciliations, financial schedules, and supporting documentation.
• Assist in the preparation of monthly financial statements, management reports, budgets, forecasts, inventory reconciliations, and financial analyses, including explanations of account variances.
• Collaborate with Operations, Purchasing, Sales, and other departments to resolve accounting issues, improve financial processes, and strengthen internal controls.
• Perform other accounting duties as assigned.

Accounts Payable Responsibilities

• Oversee the accounts payable process by reviewing and verifying invoices, matching them to purchase orders and receiving documentation, and ensuring accurate, timely, and authorized payments.
• Schedule and process vendor payments via check, ACH, and wire transfer while adhering to payment terms and maximizing available cash discounts.
• Maintain accurate vendor records, including contracts and tax documentation (e.g., W-9s), resolve payment discrepancies, and foster positive vendor relationships.
• Reconcile accounts payable activity, prepare AP summaries and cash flow reports, and provide financial insights to support budgeting and cash management.
• Ensure compliance with company policies, internal controls, and applicable accounting and tax regulations.

Accounts Receivable Responsibilities

• Oversee customer invoicing by ensuring invoices accurately reflect contract terms, pricing, and supporting documentation.
• Manage recurring billing schedules and maintain accurate customer account information.
• Record, reconcile, and apply customer payments received through checks, ACH, wire transfers, and credit card transactions while resolving payment discrepancies.
• Monitor accounts receivable aging reports, implement collection strategies, follow up on past-due accounts, negotiate payment arrangements, and elevate delinquent accounts when appropriate.
• Resolve customer billing disputes professionally and respond promptly to inquiries regarding invoices, payments, and account status while maintaining strong customer relationships.

Qualifications

• Bachelor's degree in Accounting, Finance, or a related field.
• Minimum of 3–5 years of progressive accounting experience.
• Manufacturing accounting experience preferred.
• Strong understanding of U.S. GAAP and general ledger accounting.
• Experience with account reconciliations, journal entries, and financial reporting.
• Experience with ERP/accounting systems (Sage 100, Microsoft Dynamics, NetSuite, SAP, Oracle, Epicor, or similar).
• Advanced Microsoft Excel skills, including PivotTables, XLOOKUP/VLOOKUP, and formulas.
• Strong analytical, organizational, and problem-solving skills.
• Excellent written and verbal communication skills.
• Ability to prioritize multiple deadlines in a fast-paced environment.

Knowledge, Skills & Abilities

• Strong understanding of accounting principles and financial reporting.
• Excellent attention to detail and organizational skills.
• Ability to analyze financial information and resolve discrepancies.
• Strong interpersonal skills with the ability to collaborate across departments.
• Ability to supervise and support Accounts Payable and Accounts Receivable staff while fostering a positive team environment.
• Ability to maintain confidentiality and exercise sound professional judgment.

We are an ITAR-compliant facility, and all employees must meet ITAR eligibility requirements.

All employment offers at Winonics are contingent upon the successful completion of a background check and pre-employment drug screening. Winonics is a drug-free workplace and complies with all applicable federal, state, and local laws regarding background investigations and substance testing.