Accounts Payable Specialist

Description We are looking for an Accounts Payable Specialist to join a long-term contract opportunity based in El Segundo, California. This position will support day-to-day payables and purchasing activities in a fast-paced environment, with a strong focus on accuracy, vendor coordination, and financial control. The ideal candidate brings hands-on experience with Ramp and can help maintain efficient invoice processing, reporting, and cross-functional alignment across finance and operational teams.

Responsibilities:

- Oversee invoice processing activities from receipt through payment, ensuring accurate coding, approvals, and timely disbursement.

- Administer accounts payable transactions within Ramp and support a high-volume workflow with consistent attention to detail.

- Partner with vendors to address billing questions, reconcile account statements, and resolve payment discrepancies promptly.

- Assist with sourcing and purchasing coordination to help secure materials and services on favorable terms and within required timelines.

- Prepare and review ACH payments, check runs, and related payables documentation in accordance with internal controls.

- Generate recurring reports and analyze purchasing and payables data to highlight trends, exceptions, and improvement opportunities.

- Collaborate with finance, engineering, and supply chain stakeholders to support operational goals and budget considerations.

- Maintain organized records for audits and ensure procurement and payment activities follow company policies and applicable regulations.

- Contribute to process efficiency efforts, including supporting systems and workflows tied to Business Central when applicable. Requirements - Bachelor's degree in business, finance, supply chain, or a related discipline.

- At least 3 years of experience in accounts payable, procurement support, or similar financial operations.

- Required hands-on experience using Ramp in a high-volume transaction environment.

- Strong knowledge of invoice coding, account coding, ACH processing, and check run procedures.

- Advanced attention to detail with solid analytical and reconciliation skills.

- Proficiency in Excel and familiarity with ERP platforms such as Dynamics 365 Business Central.

- Effective communication skills with the ability to work across internal teams and external suppliers.

- Industry background in aerospace, defense, biotech, manufacturing, or similarly regulated environments is preferred.

Robert Half is the world's first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.

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Robert Half will consider for employment qualified applicants with arrest or conviction records in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance.

Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit  for more information.

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