Description We are offering a long term contract employment opportunity for an Office Manager in West Chester, Pennsylvania. The Office Manager will be responsible for handling and overseeing a variety of administrative and financial tasks, including answering phones, managing client bills, and maintaining office supplies. The role involves the use of various software including Accounting Software Systems, ADP - Financial Services, Concur, CRM, and Dentrix Dental Software. Responsibilities: • Efficiently manage inbound calls ensuring quality customer service • Oversee bookkeeping tasks including the management of invoices and credit card statements • Liaise with the accountant by creating and forwarding necessary worksheets through Excel • Take charge of the office administration by ensuring timely ordering and stocking of office supplies • Manage client billing system effectively, ensuring accuracy and timeliness • Utilize QuickBooks for various accounting functions • Maintain client relationships through the effective use of CRM • Leverage Dentrix Dental Software for relevant office tasks • Use Concur for managing and processing expenses • Implement ADP - Financial Services for financial management and tasks. Requirements • Proficiency in Accounting Software Systems is mandatory • Familiarity with ADP - Financial Services is essential • Experience with Concur is required • Familiarity with About Time software is preferred • Ability to handle Accounting Functions is essential • Experience in managing Accounts Payable (AP) is required • Experience in managing Accounts Receivable (AR) is necessary • Ability to manage Answering Inbound Calls is crucial 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 (https://www.roberthalf.com/us/en/mobile-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 roberthalf.gobenefits.net for more information. © 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking “Apply Now,” you’re agreeing to Robert Half’s Terms of Use (https://www.roberthalf.com/us/en/terms) .