Portfolio Administrator

Description We are looking for a detail-oriented Portfolio Administrator to support day-to-day accounting operations in Stony Brook, New York. This position focuses on maintaining accurate financial records, processing transactions efficiently, and helping keep billing and payment activities organized. The ideal candidate is comfortable working with accounting software, handling high-volume data entry, and ensuring financial information is recorded with precision.

Responsibilities:

- Process vendor invoices, verify supporting details, and ensure payments are entered accurately and submitted on schedule.

- Record incoming payments, update customer account balances, and help resolve discrepancies related to receivables.

- Maintain complete and accurate financial records by entering transaction data into accounting systems and reviewing entries for accuracy.

- Use Quick Books and related tools to track payables, receivables, and routine account activity.

- Review billing documents for completeness, follow up on missing information, and support timely invoice processing.

- Assist with account reconciliations by comparing system records with supporting documentation and identifying variances.

- Prepare routine financial and administrative reports to support accounting operations and internal recordkeeping. Requirements - Experience supporting accounting operations with a focus on accounts payable and accounts receivable activities.

- Proficiency in Quick Books and confidence working within computerized accounting systems.

- Strong data entry skills with a high level of accuracy and attention to detail.

- Familiarity with invoice processing procedures and financial documentation standards.

- Ability to organize multiple tasks, meet deadlines, and maintain consistent follow-through.

- Clear written and verbal communication skills for coordinating with internal teams and external contacts.

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.

Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app ()  and get 1-tap apply, notifications of AI-matched jobs, and much more.

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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