Accounts Payable Specialist, Temp

About Us

We are an award-winning California-based environmental consulting firm with 550+ professionals and more than 30 years of diverse experience serving clients in transportation, energy, water, infrastructure, private development, and government sectors. Our mission is to deliver practical, science-based environmental and planning solutions that support communities, infrastructure, and natural systems.

As a people-centric organization, we value collaboration, fairness, and transparency, and are committed to fostering a workplace that supports both personal and professional growth while offering robust career opportunities. We are especially proud of our recent Great Place To Work certification, which reflects an independent assessment of our culture and our team-member experiences.

Rincon Consultants, Inc. is seeking a temporary full-time Accounts Payable Specialist to join our Accounting team in Ventura, CA. This role is responsible for the accurate and timely processing of accounts payable transactions while maintaining strong internal controls, supporting vendor relationships, and ensuring compliance with company policies and accounting standards.

This role is on-site and based out of our Ventura headquarters, where the collaborative nature of the Accounting team benefits from regular in‑office interaction. A hybrid work schedule may be available based on business needs, balancing time in the office with remote work while supporting effective teamwork and operational excellence.

• Process an average of 100+ vendor invoices each week with a high degree of accuracy.
• Review invoices for completeness, proper authorization, coding accuracy, and compliance with company policies.
• Identify and resolve discrepancies, duplicate invoices, incorrect charges, and other payment issues before processing.
• Ensure timely and accurate payment of vendor invoices while meeting established deadlines.

• Process bank transactions, positive pay verifications, stop payments, and check voids.
• Manage company credit card transactions, including importing transactions into the accounting system and collecting supporting documentation.
• Prepare annual Form 1099 reporting.
• Record accounting entries, reconcile accounts, and perform routine account maintenance activities.

• Build positive working relationships with vendors while providing responsive and professional customer service.
• Collaborate with internal teams to resolve invoice questions, obtain approvals, and ensure timely payment processing.
• Support the Accounting team with continuous process improvements that enhance efficiency and accuracy.

• Associate degree in Accounting or a related field, or at least two years of professional accounts payable experience.
• Working knowledge of Generally Accepted Accounting Principles (GAAP).
• Experience using ERP accounting and business management software;
  Deltek Ajera experience is preferred.
• Intermediate to advanced proficiency with Microsoft Excel and the Microsoft Office Suite.
• Strong written and verbal communication skills with excellent interpersonal abilities.
• Exceptional attention to detail and organizational skills with the ability to manage multiple priorities in a fast‑paced environment.
• Positive, collaborative mindset with a desire to improve processes and workflows.
• Ability to work independently while contributing effectively as part of a team.

• Experience in the architecture, engineering, consulting, or professional services industry.
• Experience with Microsoft Dynamics 365 Finance is a plus.
• Experience processing high‑volume invoice workloads.
• Familiarity with electronic invoice management and workflow systems.
• Experience identifying opportunities to improve accounting processes and operational efficiencies.

The hourly rate range for this full‑time position is $25-$33/hour. Hourly ranges are based on the market median of similar jobs, according to third‑party salary benchmark surveys. Hourly pay is determined based on internal equity and a candidate’s job‑related knowledge, skills, and…