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On Site Administrative Assistant - Construction

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Onsite

On Site Administrative Assistant - Construction

Charter Mechanical

On Site Administrative Assistant - Construction

Skills

Warehouse Management

1 month ago

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Important information


Contract type:

Permanent

Location:

Boise, ID, USA

Work mode:

Onsite

Published on:

25 September 2026

What they need


On-site Construction Administrative Assistant

About Charter Mechanical Contractors

Charter Mechanical Contractors is a leading provider of mechanical and process piping services throughout the Northwest and Southwest, delivering high-quality solutions across a broad range of commercial, industrial, and high-tech manufacturing projects. With an average workforce of approximately 450 employees, Charter has the expertise, resources, and capacity to successfully execute complex, fast-track, and specialized projects.

Our success is built on the quality of our people. We foster a culture of collaboration, reliability, technical excellence, and continuous improvement while providing outstanding opportunities for professional growth and career advancement.

Position Summary

The On-Site Construction Administrative Assistant is responsible for providing administrative and organizational support to the Project Manager and project team. This position will assist with project documentation, data entry, material tracking, filing, purchasing, and other administrative functions necessary to support the successful execution of a construction project.

This is an on-site position based out of a construction trailer located on an active job site. The successful candidate should be comfortable working in a construction environment, interacting with project management, field personnel, subcontractors, vendors, and other project stakeholders, and managing multiple administrative priorities in a fast-paced setting.

Key Responsibilities

· Performs clerical and administrative functions in a construction field office.

· Maintains general office files, including job files, vendor files, and other files related to the company’s operations.

· Utilizes computers for email correspondence, data input, meeting scheduling, electronic file management.

· Assist project team with document tracking and processing:

· Safety training reports, safety inspection reports, audits, contract documents, quality control documents, project submittals, operation and maintenance manuals, owner training records

· Assists with purchase order entry and material tracking.

· Produces and assembles PDF (Adobe or Bluebeam) documents and packets.

· Performs document storage and filing in the project management software (Viewpoint & WMS). Training in these systems will be provided.

· Develops and implements an organized hardcopy filing system.

· Utilizes Excel, Word, Outlook, Bluebeam to create and manage internal documents.

· Maintains punctual, regular and predictable attendance.

· Works collaboratively in a team environment with a spirit of cooperation.

Qualifications

Preferred Education

High school diploma or GED. Minimum of 1 year of business administration, construction management, or a related field is a plus.

Preferred Skills & Experience

  • 1+ year of administrative, clerical, or related experience preferred.
  • Construction industry experience is strongly preferred, particularly experience working in a construction office or job-site trailer.
  • Experience supporting a Project Manager, Superintendent, Project Engineer, or construction team is a plus.
  • Strong organizational skills and attention to detail, with the ability to manage multiple priorities and deadlines.
  • Professional written and verbal communication skills.
  • Proficiency with Microsoft Word, Excel, and Outlook; experience with Adobe Acrobat or Bluebeam is preferred.
  • Ability to work independently while collaborating effectively with project managers, field personnel, vendors, and subcontractors.
  • Dependable, professional, and willing to learn in a fast-paced construction environment.

Physical Demands & Work Environment

While performing the duties of this job, the employee is regularly required to stand, walk, sit, talk or hear. The employee is occasionally required to use hands and fingers to type or dial, reach with hands and arms, stoop, kneel, crouch or crawl, use stairways to climb to multiple floors within office building.

What We're Looking For

We are looking for individuals who are hardworking, eager to learn, detail-oriented, and committed to delivering quality work. Successful candidates will demonstrate initiative, professionalism, and a strong desire to build a long-term career in the mechanical construction industry.

Additional Information

This is a current opening based in Boise, Idaho. Successful candidates must pass a pre-employment background check and drug screening.

To learn more about Charter Mechanical Contractors, visit www.chartermechanical.com.

Equal Employment Opportunity

Charter Mechanical embraces equal employment opportunity and inclusiveness. We are committed to providing equal employment opportunities to all employees and applicants regardless of race, color, religion, sex, national origin, age, veteran status, sexual orientation, gender identity, disability, genetic information, or any other status protected by applicable law.

Job Type: Full-time

Work Location: In person

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