Accounting - Accounts Payable Specialist

Library Systems & Services • Rockville, Maryland • Full Time • $50,000–$60,000 / year

Posted on Wed, Sep 23, 2026

Full-time Description

LS&S is seeking an Accounts Payable Specialist to join our Finance team in Rockville, MD. This full-time position will play a key role in the day-to-day management of the accounts payable function, including vendor invoice processing, payment cycles, vendor inquiries, expense reporting, corporate card administration, account reconciliations, and related accounting activities.

The Accounts Payable Specialist will work closely with internal teams and external vendors to ensure invoices, expenses, and payments are processed accurately and timely. This role will also support Travel & Expense administration, month-end close activities, billing support, and other general accounting and administrative responsibilities.

This position will be eligible for a hybrid work schedule following training (1 day per week in our office in Rockville, MD). The ideal candidate is detail-oriented, highly organized, comfortable managing recurring deadlines independently, and proactive in researching and resolving issues. Strong communication and a customer service-oriented mindset are essential, as this role serves as an important point of contact for both employees and vendors.

Full-time position; additional hours may occasionally be required to support business needs and meet critical deadlines.

Primary Responsibilities: 

An individual must be able to perform each essential duty and responsibility satisfactorily. 

Requirements

Physical Requirements

Benefits

EEO STATEMENT

The company and its subsidiaries are an equal opportunity employer and celebrate the population of differences and does not discriminate in its hiring/hiring practices, regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other characteristic protected by law.

Nothing in this job specification restricts management’s right to assign or reassign duties and responsibilities to this job at any time.

Critical features of this job are described under various headings above. They may be subject to change at any time due to reasonable accommodation or other reasons. The above statements are strictly intended to describe the general nature and level of the work being performed. They are not intended to be construed as a complete list of all responsibilities, duties, and skills required of employees in this position.

This job description in no way states or implies that these are the only duties to be performed by the employee(s) incumbent in this position. Employees will be required to follow any other job-related instructions and to perform any other job-related duties requested by any person authorized to give instructions or assignments. All duties and responsibilities are essential functions and requirements and are subject to possible modification to reasonably accommodate individuals with disabilities.

To perform this job successfully, the incumbents will possess the skills, aptitudes, and abilities to perform each duty proficiently.

Some requirements may exclude individuals who pose a direct threat or significant risk to the health or safety of themselves or others. The requirements listed in this document are the minimum levels of knowledge, skills, or abilities. This document does not create an employment contract, implied or otherwise, other than an “at will” relationship.

Salary Description $50,000.00

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