Office Manager

Description We are looking for an experienced Office Manager to support the daily administrative and financial operations of a busy mechanical construction company in Monroe, Washington. This Contract position will play a key role in keeping office workflows organized, supporting project and leadership teams, and ensuring accurate coordination across employees, vendors, and clients. The ideal candidate brings strong judgment, a proactive mindset, and the ability to manage competing priorities in a fast-moving environment.

Responsibilities:

- Direct day-to-day office activities to keep administrative processes running smoothly and efficiently.

- Organize and maintain digital and paper records, ensuring documents are accurate, accessible, and up to date.

- Oversee accounts payable and accounts receivable functions, including processing invoices, tracking payments, and supporting financial accuracy.

- Prepare payroll information, monitor employee time records, and complete related reporting requirements, including certified payroll documentation.

- Maintain employee files and provide administrative support for onboarding, offboarding, benefits coordination, and insurance paperwork.

- Support project accounting activities by tracking job costs, purchase orders, vendor invoices, and expense records.

- Keep vendor, subcontractor, customer, licensing, insurance, and compliance documentation current and properly organized.

- Assist with public works administration by preparing prevailing wage records and other required compliance reports.

- Serve as a central administrative resource for management and project staff by handling calls, correspondence, mail, and general office communication.

- Manage office supply levels, coordinate with equipment or service providers, and help improve administrative procedures for greater efficiency. Requirements - At least 3 years of experience in office administration, office management, bookkeeping, or a related business support role.

- Prior experience in the construction industry is strongly preferred.

- Working knowledge of accounts payable, accounts receivable, payroll support, and general office coordination.

- Familiarity with certified payroll, prevailing wage reporting, or public works documentation, especially within Washington State.

- Proficiency with Microsoft Office applications, including Excel, Word, and Outlook.

- Experience using accounting, payroll, or construction management software; exposure to Deltek platforms is preferred.

- Strong organizational skills, attention to detail, and the ability to manage multiple deadlines independently.

- Strong communication skills and discretion when handling sensitive employee or company information.

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.

© 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 ()  and Privacy Notice () .