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Administrative Assistant

A-1 Tree Service • Redding, CA • Full-Time

  • $20 - $30

  • Bonus opportunities

  • Full-time

  • PTO

  • Health benefits

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.

Key Responsibilities:

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  • Maintain and organize physical and digital filing systems

  • Scan, digitize, and index documents into Microsoft 365, OneDrive, 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 QuickBooks 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, FedEx, and supply pickups

  • Provide general administrative, executive, and project support as needed

Qualifications & Skills:

  • Strong organizational skills with high attention to detail

  • Proficiency in Microsoft Excel and Microsoft 365

  • Familiarity with QuickBooks 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

Free Estimates

One Brand. Three Specialized Divisions.

Mikala Corp brings together A-1 Tree Service, A-1 Vegetation Management, and A-1 Forestry Group — delivering complete property solutions across Northern California. Each division is built to handle a specific part of the job, working together to provide safe, efficient, and reliable results.

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Michael & Tia Bertell
Owners & Operators of Mikala Corp
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