Posted 07/31/2025
Job Number: 13752

Administrative Assistant

San Diego, California Onsite

Industry: Construction

Job Category: Administrative

Job Type: Direct Hire

Salary: $55,000 - $60,000/Annually

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Job Description

A well-established mechanical contractor in San Diego, CA is seeking a dependable and detail-oriented Administrative Assistant to support its close-knit office team. This role is essential to keeping daily operations running smoothly, with responsibilities spanning data entry, timecard tracking, front desk coverage, and administrative assistance for both office and service departments. The position involves processing credit card payments, managing subcontractor insurance documents, maintaining supply budgets, and assisting with proposal preparation. The ideal candidate is reliable, personable, and proactive, someone who can be the welcoming face of the office while staying organized and adaptable behind the scenes.

Salary Range: $55,000 – $60,000 / year DOE

Administrative Assistant Responsibilities: 

  • Perform high-volume, time-sensitive data entry including employee timecards
  • Answer phones, greet visitors, manage incoming/outgoing mail, and cover the front desk
  • Maintain and reorder office supplies while adhering to budget constraints
  • Assist with tracking mileage using GPS tools
  • Process accounts receivable including credit card payments, monthly statements, and receipts
  • Support the service team with proposal and contract data entry
  • Track and maintain subcontractor insurance compliance
  • Assist managers with a variety of administrative tasks and short-term projects

Administrative Assistant Requirements: 

  • Minimum of 3 years of administrative experience, with regular data entry responsibilities
  • Comfortable with entry-level Excel and Outlook
  • High school diploma required
  • Strong communication skills and ability to work well with a diverse team
  • Friendly and adaptable with the ability to wear multiple hats in a small office setting

Benefits:

  • End-of-year discretionary bonus based on company performance
  • Medical coverage 100% paid for employee after 90 days
  • Dental and vision plans available
  • 401(k) with 4% match after one year
  • PTO accrual begins immediately
  • 5 paid sick days annually

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Job ID: a0CUm00002zR2LpMAK

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