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Office Administrator - Parttime

Job in Irvine, Orange County, California, 92713, USA
Listing for: Sunstall Inc.
Part Time position
Listed on 2026-08-13
Job specializations:
  • Administrative/Clerical
    Office Administrator/ Coordinator, Clerical, Data Entry, Office Assistant
Salary/Wage Range or Industry Benchmark: 23 - 29 USD Hourly USD 23.00 29.00 HOUR
Job Description & How to Apply Below

Classification:

Nonexempt

Pay:

$23.00 - $29.00 per hour

Reports to:

Executive Team, Project Managers

About Us:

We are a growing general contractor. Our projects range from commercial builds to complex tenant improvements. We're seeking a Part-Time Office Administrator to be a cornerstone in building a strong foundation as we scale. This role will support day-to-day office operations and keep information flowing to the right people. This opening is ideal for someone who thrives in a dynamic, evolving environment.

Job Description

Job Summary:

We are looking for a reliable, detail-oriented part-time Office Administrator to support our in-office operations. This role focuses on handling incoming mail, scanning and distributing documents to the correct departments, maintaining physical and digital files, and assisting with general office tasks. The ideal candidate is organized, consistent, and comfortable working independently.

Supervisory Responsibilities:

None

Duties/Responsibilities:

Receive, open, and sort incoming mail and deliveries

Scan documents and route them to the appropriate departments

Maintain organized digital files and physical filing systems

Assemble and maintain binders and office records

Assist with basic administrative tasks as needed

Support general office organization and cleanliness

Run occasional office-related errands, if required

Communicate clearly with team members to ensure documents are handled correctly

Greets and directs clients and visitors.

Answers phone calls and emails.

Copies, collates, and otherwise prepares reports for mailings, meetings, and other correspondence.

Performs other related duties as assigned.

Required Skills/Abilities:

Basic computer skills (scanning, email, file management)

Strong attention to detail

Good organizational habits

Ability to handle confidential information appropriately

Dependable and punctual

Comfortable working in an office environment

Preferred Qualifications:

High school graduate.

Prior experience in an office or administrative role

Experience in construction or professional services offices is a plus

Physical Requirements:

Prolonged periods sitting at a desk and working on a computer.

Must be able to lift up to 15 pounds at times.

Work Environment:

This job operates in a clerical, office setting. This role routinely uses standard office equipment such as computers, phones, photocopiers, filing cabinets and fax machines. However, other duties the job may demand are driving to conferences with potential clients. In person meetings are required to carry out some of the duties of the job and as required by clients. Candidates should also be able to drive to public locations for pre-bid conferences and bid openings.

Schedule:

Part-time, in-office

Flexible schedule, if it does not impede responsibilities

Benefits:

Flexible Schedule (if it doesn't interfere with role responsibilities)

Sick Pay

Training Opportunities for Growth

Paid Vacation and Holidays

Additional Information:

CALTEC Corp. participates in E-Verify to confirm work authorization.

We are an Equal Opportunity Employer and value diversity in our workplace.

No visa sponsorship (H1B or otherwise) is available at this time.

Please do not contact the office directly.

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