Demo

Cost Accounting Assistant

Barton Integration
Irvine, CA Full Time
POSTED ON 5/22/2026
AVAILABLE BEFORE 6/20/2026
About Us

Barton Integration is more than just a low voltage security integrator... we are a passionate team that expects the best. We treat our clients like partners. We treat our team members like family. We want more than just a paycheck—we want to grow, contribute, and be part of something bigger. People want to work at Barton Integration because we offer opportunity, responsibility, and room to advance. We value positive energy, initiative, and a team-first mindset, and we believe in creating an environment where great people can develop their skills and build meaningful careers.

Who We Are Looking For

We are looking for someone who is eager to learn, takes initiative, and brings positive energy to the company each day. The right candidate will be quick-thinking, adaptable, and able to thrive in a fast-paced environment while maintaining a strong work ethic and attention to detail. This role is ideal for someone who is motivated to grow, excited to take on new challenges, and ready to contribute wherever needed. There is no room for ego here… we are a tight knit team who does whatever it takes to get the job done and get it done well. This requires our team members to be flexible, but also allows for significant opportunity for advancement for a person who wants to build a career, develop new skills, and make their way within the company as it continues to grow.

Primary responsibilities include:

  • Send and review invoices for accuracy, proper coding, pricing, and required backup based on sales estimators.
  • Maintain and track purchase orders for materials, equipment, subcontractors, and project-related expenses.
  • Match vendor invoices to purchase orders, packing slips, receiving documents, and project approvals.
  • Enter vendor bills into the accounting system and ensure costs are assigned to the correct project, cost code, department, or general ledger account.
  • Follow up with vendors, project managers, and internal team members regarding missing invoices, missing purchase orders, pricing discrepancies, approvals, or backup documentation.
  • Assist with accounts payable processing, including invoice entry, approval routing, payment preparation, vendor statement review, and issue resolution.
  • Support project accounting by tracking job costs, committed costs, open purchase orders, change orders, subcontractor invoices, and project-related expenses.
  • Help maintain accurate vendor records, including W-9s, insurance documents, payment terms, and contact information.
  • Assist with reconciling vendor statements and researching unpaid or duplicate invoices.
  • Communicate with project managers regarding job cost questions, open commitments, missing approvals, and project budget tracking.
  • Assist with month-end close by reviewing open purchase orders, unbilled costs, accrued expenses, prepaid expenses, and project cost activity.
  • Prepare reports related to accounts payable, purchase orders, open commitments, project costs, and vendor balances.
  • Maintain organized accounting records and ensure invoices, approvals, purchase orders, and supporting documents are properly filed.
  • Support the entire team with additional projects as needed.

Preferred Experience

  • Experience with construction accounting or project-based accounting.
  • Experience reviewing purchase orders, vendor invoices, packing slips, and job cost reports.
  • Experience with retainage, subcontractor billing, change orders, or project cost tracking.
  • Familiarity with QuickBooks Online, Salesforce, and Slack.

Benefits

  • Health/Vision/Dental Insurance
  • Retirement Account Matching
  • Monthly Coffee Subscription
  • Team Activities

Salary.com Estimation for Cost Accounting Assistant in Irvine, CA
$78,413 to $97,014
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