Construction Admin Assistant

Mammoth Recruitment; Riverdale (GA); On-site; USD 50,000 - 55,000; Full time

Job summary

Mammoth Recruitment in Atlanta, GA is seeking a Project Administrative Assistant to support its project and operations teams in a fast-paced in-office environment.

The ideal candidate will be highly organized, proactive, detail-oriented, and able to manage multiple priorities while maintaining accurate project records and documentation. Prior experience in commercial construction or related field is preferred. This is a full-time, on-site role with opportunities for growth.

Qualifications

• 2+ years of administrative or project support experience.
• Construction industry experience is a plus.
• Proficient with Microsoft Office including Outlook, Word, and Excel.
• Ability to manage multiple priorities and deadlines.

Responsibilities

• Provide day-to-day administrative support to clients and operations staff
• Assist with project documentation, job setup, and file management
• Maintain accurate project records, reports, and internal documentation
• Assist with purchase orders, invoices, work orders, and other project paperwork
• Track outstanding documents and follow up with internal teams, vendors, and subcontractors
• Help prepare and organize contracts, change orders, submittals, closeout documents, and related paperwork
• Enter and maintain accurate information within company systems
• Communicate professionally with customers, vendors, subcontractors, and internal team members
• Support additional administrative and operational needs as projects require

Skills

Organizational skills

Written and verbal communication

Multitasking

Independence

Tools

Microsoft Office

Job description

Location: Atlanta, GA

Salary: $55,000–$60,000 annually

Schedule: Full-Time | Monday–Friday | In-Office

Position Overview

A well-established commercial construction contractor in the Atlanta area is seeking a highly organized Project Administrative Assistant to support its project and operations teams.

This is a full-time, in-office position for someone who enjoys working in a fast-paced environment, staying organized, and keeping projects and teams moving. The ideal candidate is proactive, detail-oriented, dependable, and comfortable managing multiple priorities.

Commercial construction industry experience is required for this position. Candidates must have previous administrative, project coordination, or project support experience within commercial construction or a closely related construction trade.

Responsibilities

• Provide day-to-day administrative support to clients and operations staff
• Assist with project documentation, job setup, and file management
• Maintain accurate project records, reports, and internal documentation
• Assist with purchase orders, invoices, work orders, and other project paperwork
• Track outstanding documents and follow up with internal teams, vendors, and subcontractors
• Help prepare and organize contracts, change orders, submittals, closeout documents, and related paperwork
• Enter and maintain accurate information within company systems
• Communicate professionally with customers, vendors, subcontractors, and internal team members
• Support additional administrative and operational needs as projects require

Qualifications

• 2+ years of administrative, project support, or office coordination experience preferred
• Construction, roofing, subcontracting, or related industry experience is a plus
• Strong organizational skills and attention to detail
• Comfortable managing multiple priorities and deadlines
• Strong written and verbal communication skills
• Proficient with Microsoft Office, including Outlook, Word, and Excel
• Comfortable learning construction management and internal software
• Dependable, professional, and able to take ownership of responsibilities
• Strong follow-through and ability to work independently

Compensation & Schedule

• $50,000–$55,000 annual base salary
• Full-time position
• Monday through Friday
• 100% in-office in Atlanta, GA
• Stable, long-term opportunity with an established commercial contractor
• Opportunity to gain additional exposure to project management and construction operations

Who Would Be a Strong Fit?

This position could be a great fit for someone currently working as a:

Project Administrator | Construction Administrative Assistant | Project Coordinator | Office Coordinator | Project Assistant | Operations Assistant | Construction Coordinator

If you are organized, accountable, and enjoy being the person who keeps projects and teams on track, we would like to hear from you.

Applicants must be authorized to work in the U.S.

• Mammoth Recruitment and its clients are committed to equal employment opportunity. All qualified applicants will receive consideration without regard to any characteristic protected by applicable law.