Administrative Assistant

Loenbro; Great Falls (MT); On-site; USD 42,000 - 62,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

401(k) retirement plan with company 
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Paid time off (PTO)

Life and disability insurance

Professional development and training

Employee assistance program (EAP)

Job summary

Loenbro, LLC in Great Falls, MT is seeking a Construction Administrative Assistant to support daily operations in a fast-paced project office. You will work with Project Managers, Superintendents, and field teams, providing essential administrative support, documentation, and efficient communication.

Candidates should have 1–2 years of admin experience in a construction or industrial setting, proficiency with Microsoft Office, and the ability to manage multiple priorities with strong attention

Qualifications

• 1–2 years of administrative, clerical, or office support experience (construction or industrial environment preferred)
• Basic understanding of HR and onboarding processes within a construction or field operations setting
• Proficiency with Microsoft Office Suite (Word, Excel, Outlook)
• Ability to work in a fast-paced construction office supporting multiple priorities

Responsibilities

• Greet and assist walk-in employees, subcontractors, vendors, and visitors in a professional and timely manner
• Answer and route inbound phone calls, responding to jobsite and project-related inquiries
• Support new hire onboarding, orientation scheduling, badging, and paperwork coordination
• Complete accurate employee time entry, payroll support, and recordkeeping for field personnel
• Project logs, purchase orders and invoices, equipment tracking logs
• Assist Project Management and field leadership with administrative project support
• Scan, upload, and organize project files using document management systems and imaging software
• Maintain organized filing systems for compliance, safety, and project records
• Support communication between field crews, management, and corporate departments

Skills

Microsoft Office Suite

Communication skills

Organization & time management

Education

1–2 years administrative/clerical experience in construction/industrial environment

Tools

Document management systems

Imaging software

Job description

Company: Loenbro, LLC
Business Unit/Department: Loenbro West
Location: Great Falls
Reports to: Area Manager
Employment Type: Full Time
FLSA Classification: Non-Exempt

Loenbro is a trusted, long-term construction lifecycle partner to thousands of customers across the U.S. Our market spans all industries, and our service offerings include Critical Electrical, Mechanical & Structural, Soft Crafts, Inspection, Underground Maintenance and Installation, and Fabrication. Our expertise lies in simplifying the complex and establishing long-standing relationships with our partners. We have a national presence but a local approach—every customer benefits from our capabilities and our care.

AtLoenbro, we don’t just offer jobs—we build careers grounded in integrity, teamwork, excellence, and purpose.Join a team where your expertise is valued, your growth is supported, and your work helps maintain and enhance the critical infrastructure that powers communities across the nation.

Job Summary

The successful candidate will support daily operations within a fast-pacedconstruction project office, working closely with Project Managers, Superintendents, and field teams.This role serves as a key administrative resource, ensuring efficient communication, accurate documentation, and organized project support.

Successful Construction Administrative Assistants demonstrate strong attention to detail, organization, adaptability, and the ability to manage routine tasks while supporting dynamicjobsiteoperations.

• Greet and assistwalk-in employees, subcontractors, vendors, and visitorsin a professional and timely manner
• Answer and route inbound phone calls, responding to jobsite and project-related inquiries
• Supportnew hire onboarding, orientation scheduling, badging, and paperwork coordination
• Complete accurateemployee time entry, payroll support, and recordkeeping for field personnel
• Project logs
• Purchase orders and invoices
• Equipment tracking logs
• Assist Project Management and field leadership with administrative project support
• Scan, upload, and organize project files using document management systems and imaging software
• Maintain organized filing systems for compliance, safety, and project records
• Support communication between field crews, management, and corporate departments

Minimum Qualifications

Required

• 1–2 years of administrative, clerical, or office support experience (construction or industrial environment preferred)
• Basic understanding ofHR and onboarding processeswithin a construction or field operations setting
• Proficiency with Microsoft Office Suite (Word, Excel, Outlook)
• Ability to work in a fast-paced construction office supporting multiple priorities

Preferred

• Experience supporting construction projects, jobsite offices, or field operations
• Strong organizational and time-management skills
• Excellent attention to detail and accuracy
• Effective communication and interpersonal skills with both office and field personnel
• Ability to handle confidentialemployeeand project information with professionalism and discretion

Physical Demands and Work Environment

The physical demands and work environment described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.

• Comply with all company policies and procedures.
• Occasionally you may need to kneel, reach, or stoop.
• Climbing up and down stairs and ladders to both get in and out of trenches and up to elevated platforms (scaffolding at significant heights).
• If driving is required, validdriverlicense and proof of insurability are required. All drivers are subject to a DMV background records search.

This role requires compliance with all applicable safety regulations, personal protective equipment (PPE) requirements, and Loenbro's Environmental Health and Safety (EH&S) policies.

Loenbrooffers a competitive salary, comprehensive benefits package, and rewards to those who join our team:

• Medical, dental, and vision insurance
• 401(k) retirement plan with company match
• Paid time off (PTO)
• Life and disability insurance
• Professional development and training opportunities
• Employee assistance program (EAP)

Benefits eligibility may vary based on employment classification and hours worked.

Guided byCore Values (LEAD), grounded ingritand acommitment to excellence,Loenbrobettersour families, customers, andlocalcommunities. If you are ready to be