Administrative Assistant: Office, Excel & QuickBooks

The Administrative Assistant plays a vital role in supporting Mikala Corporation’s accounting, operations, and project management teams. Mikala Corporation is the parent company of multiple forestry, fuels-reduction, vegetation management, and arborist businesses operating throughout Northern California and on state and federal contracts. We are in an active growth phase and are seeking a reliable, detail-oriented professional to support our expanding office and field operations.

This position is ideal for someone who thrives in a fast-paced environment, enjoys organizing information, and takes pride in keeping systems running efficiently as a company scales.

• Maintain and organize physical and digital filing systems
• Scan, digitize, and index documents into Microsoft 365, One Drive, and internal job-costing systems
• Clean up, back-file, and organize historical paperwork
• Create, update, and maintain Excel spreadsheets for tracking invoices, payroll, job costs, and expenses
• Support accounting workflows within Quick Books Enterprise, including document attachments, transaction support, and reporting assistance
• Answer and route incoming phone calls professionally
• Assist with payroll, HR, and accounting document flow
• Prepare, organize, and distribute paperwork to customers, agencies, vendors, and internal teams
• Run business errands such as bank deposits, Fed Ex, and supply pickups
• Provide general administrative, executive, and project support as needed

• Strong organizational skills with high attention to detail
• Proficiency in Microsoft Excel and Microsoft 365
• Familiarity with Quick Books Desktop or Enterprise (preferred)
• Comfortable managing large volumes of paperwork and digital records
• Ability to handle sensitive and confidential information professionally
• Reliable, punctual, and able to work independently
• Willingness to assist across departments as needed

Experience in construction, forestry, government contracting, or accounting environments is a plus, but not required