Accounts Payable Specialist, Temp Full-Time

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.

About The Role

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.

How We Collaborate

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. This is a temporary full-time position expected to last around three months, with the potential to transition into a regular full-time role based on business needs and individual performance

What You'll Do

Accounts Payable Processing

• 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.

Financial Operations

• 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.

Vendor & Internal Partnership

• 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.

What You'll Bring

• 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.

Nice to Have

• 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.

Investing in You

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 experience.

We offer a comprehensive Total Rewards Package designed to support employee well-being, growth, and financial security. Our benefits are designed to offer flexibility and choice, including health coverage options, employer-sponsored insurance, retirement benefits, generous time off, and programs that support learning, growth, and community engagement.

Explore more about our culture, benefits, and life at Rincon on our Culture and Benefits page.

Additional Employment Information

Individuals offered employment must successfully complete a pre-employment drug screening as a condition of employment. Additionally, those hired who may be assigned to federal projects will be subject to further drug testing, including screening for cannabinoids (THC/marijuana), in compliance with the Drug-Free Workplace Act of 1988 and other applicable federal regulations, which take precedence over California state and local laws.

Rincon Consultants does not accept unsolicited applicant/candidate resumes from search firm recruiters and/or temporary agencies that do not have a signed contract and specified work order with Rincon Consultants. Further, such resumes received will be deemed the sole property of Rincon Consultants and no fees will be paid in the event Rincon Consultants subsequently hires such individual. Rincon Consultants is an equal opportunity employer. All aspects of employment will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, veteran status, or any other status protected under federal, state, or local law.