Administrative Specialist III

The King County Road Services Division is seeking an Administrative Specialist III to provide essential support and office management for the Maintenance Section. This role involves close collaboration with payroll staff, section and unit managers, and maintenance personnel, while managing diverse administrative and coordination responsibilities with efficiency and precision. If you are detail‑oriented, organized and thrive working under tight deadlines, we encourage you to apply!

This is an excellent opportunity to join the Road Services team and make a meaningful impact in our community.

Our commitment to Equity, Racial and Social Justice is deeply dedicated to fostering equity, racial and social justice in every aspect of our work. We pledge to cultivate, embrace, and celebrate the distinct experiences, viewpoints, and perspectives of our people, partners, and the communities we serve. Through this work, we dismantle systemic barriers, address inequities, and actively confront prejudices and biases.

We acknowledge that this journey is ongoing, and we remain steadfast in our efforts to create a positive impact for our employees and communities alike.

Applying equity, racial, and social justice principles is a daily responsibility and a foundational expectation for all King County employees. In this role, you will apply equity and social justice principles that exemplify shared values, behaviors, and practices to all aspects of the work.

• Provide administrative and office management support to the Maintenance Section (managers, supervisors, and a staff of 90+ employees).
• Draft, review, edit and proofread written materials; format a variety of content, including charts, graphs, spreadsheets, and tables.
• Manage accounts payable operations, including invoice processing, budget charge tracking, payment authorization, reconciliation, and record keeping.
• Provide customer service to internal and external customers; research requests and provide accurate information/reports.
• Review and validate employee timesheets in People Soft, ensuring accurate budget charge coding for multiple projects.
• Research and assist in resolving errors or discrepancies in invoice charges.
• Prepare and process invoices, including staff purchases for project or program use.
• Utilize P‑Cards for purchases, ensure accurate POETA coding and reconcile related bank statements.
• Input invoices into Oracle, forward them to appropriate department/personnel for approval, and oversee the authorization process to ensure completion.
• Order and maintain inventory office supplies; schedule routine maintenance/repairs for office equipment.
• Process incoming mail/correspondence, forward to appropriate staff, and prioritize sensitive matters.
• Perform other duties as assigned.

• Serve with integrity.
• Show initiative and work hard.
• Prioritize outcomes over optics.
• Center those most impacted and put "boots on the ground."
• Solve problems with a "yes, and" mindset.
• Work as one, adaptable, mission‑driven team.

• Minimum of two (2) years experience providing increasingly responsible administrative support, or any combination of education, skills, training and experience that clearly demonstrates the ability to perform the duties of this position.
• Demonstrated experience processing payroll and accounts payables.
• Ability to work on multiple tasks requiring a high degree of accuracy in a high pressure/short deadline/precise schedule environment.
• Demonstrated ability to work independently, and effectively plan, organize, and prioritize work on a daily basis.
• Demonstrated experience providing customer service to internal and external customers.
• Ability to foster and sustain productive working relationships with diverse teams, customers, and vendors.
• Proficient in the use of Microsoft Office Suite (Outlook, Teams, Excel and Word).
• Clear and effective verbal and written communication skills demonstrating discretion, patience, and professionalism.
• Ability to maintain a high degree of confidentiality with sensitive and personal information.
• Knowledge of general office principles and practices.
• Ability to contribute to a collaborative team environment that…