Description We are looking for a motivated and detail-oriented Office Administrator to join our team in south Denver. In this role, you will manage essential administrative functions while supporting accounting operations such as billing, data entry, and reconciliation. Your ability to multitask and ensure accuracy will be critical to maintaining smooth office operations. Responsibilities: • Oversee daily office operations, ensuring a well-organized and efficient work environment. • Handle accounts payable and receivable tasks, including invoice processing and payment reconciliation. • Perform accurate data entry for financial and administrative records. • Generate and review billing statements to ensure accuracy and timely distribution. • Reconcile account discrepancies and resolve any issues promptly. • Maintain and update spreadsheets using Microsoft Excel for reporting and analysis. • Coordinate and manage calendars, scheduling meetings, and appointments as needed. • Collaborate with team members to streamline office procedures and improve efficiency. • Provide general administrative support, including filing, correspondence, and record management. Requirements • Proven experience in office administration or a similar role. • Familiarity with accounts payable, accounts receivable, and invoice processing. • Strong proficiency in Microsoft Excel and other office software. • Exceptional attention to detail and accuracy in data entry and financial tasks. • Ability to manage multiple priorities and meet deadlines in a fast-paced environment. • Excellent organizational and time management skills. • Strong written and verbal communication abilities. • Experience with calendar management and scheduling. 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) .