Matrix Service Company
Senior Accounts Receivable Associate
- Compensation
- Not disclosed
- Location
- Tulsa, Oklahoma, United States
- Work setup
- Not specified
- Seniority
- Senior
- Employment
- Contract
- Experience
- 4+ years
- Category
- Finance
- Posted
Skills
Must have
- 4+ years’ general accounting and/or accounts receivable experience.
- Strong construction industry experience required.
- A strong understanding of contracts and hands-on experience issuing Lump Sum, AIA, Time & Material, Cost Plus and Unit Price invoices required.
- Demonstrated knowledge of accounting procedures; knowledge of Sales/Use tax.
- Computer proficiency, including Excel, Outlook; experience with PENTA or Access a plus.
- Excellent organizational, analytical, and written skills required; must be a self-motivated individual.
- Detail oriented; must have the ability to prioritize work, analyze information, identify discrepancies and meet deadlines.
- Experience in project-based billing and accounts receivable within an EPC, construction, or engineering environment.
- Strong understanding of engineering deliverables, procurement schedules, and construction project phases.
- Advanced knowledge of contract structures, billing terms, and payment conditions in complex project environments.
- Demonstrated ability to work cross-functionally with project, technical, and operational stakeholders.
- Advanced proficiency in Microsoft Excel, including Pivot tables and VLOOKUP.
- Effective communication skills with the ability to present information clearly to both financial and non-financial stakeholders.
- Strong customer service mindset and approach to business.
Full description
##
Job Summary
The Sr. Accounts Receivable Associate manages complex EPC billing processes such as milestone, unit-price, and time‑and‑materials billing. The position partners closely with project management, engineering, procurement, and accounting teams to support order‑to‑cash performance, enforce contract terms (e.g., retainage, payment schedules), and drive accurate invoicing, collections, and AR outcomes across the full project lifecycle.
This role will be filled in our Tulsa, OK location.
Essential Functions
- Actively supports the Company’s commitment to safety and its “Core Values”.
- Represents the Company at all times with high moral standards while adhering to the Company’s “Code of Business Conduct and Ethics”.
- Obtain an understanding of the setup of new job numbers based on OU (LS, T&M, AIA & Parent/Child) and cost code structures in relation to the customer’s invoicing requirements.
- Review job contracts and document invoicing procedures.
- Efficiently and accurately invoice Owner in compliance with contract agreements.
- Invoicing utilizing Owner systems. (CCM, CMS, E-Payables, Track, etc.)
- Assist with month end percent complete process.
- Support Project Managers with reports and job status analysis.
- Facilitate internal audit of projects as requested.
- Analyze weekly CIE/BIE report and provide feedback on potential issues.
- Manage customer aging report, follow up with customers and Project Managers with past due invoices and report results to Manager of Project Administration.
- Manage and execute multiple billing methodologies, including progress (percentage-of-completion), time & materials (T&M), unit-price, and milestone billing, ensuring accuracy and compliance with contract terms.
- Validate billable work by coordinating cross-functionally with project management, engineering, procurement, and accounting teams to confirm alignment with approved work packages, purchase orders, and contracts.
- Interpret and apply complex contract terms and payment provisions, including payment schedules, retainage clauses, liquidated damages, and back-charge provisions.
- Administer and process change orders, contract amendments, and addenda, ensuring accurate billing adjustments and proper documentation.
- Perform accounts receivable (AR) operations, including cash application, payment posting, and reconciliation of customer accounts.
- Monitor and analyze AR aging, identify delinquent accounts, and support credit review and escalation processes.