Office Administrator

Office Administrator

Phoenix, AZ

About Loenbro

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 approachevery customer benefits from our capabilities and our care.

At Loenbro, we don't just offer jobswe 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-paced construction 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 dynamic jobsite operations.

Essential Job 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
• Maintain project documentation including: project logs, purchase orders and invoices, equipment tracking logs, subcontractor documentation
• 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

• 12 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

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 confidential employee and 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, valid driver license 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.

Benefits

Loenbro offers 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 by Core Values (LEAD), grounded in grit and a commitment to excellence, Loenbro betters our families, customers, and local communities. If you are ready to be part of a company that LEADS by:

• Living with Integrity
• Exceeding Expectations
• Acting with Urgency
• Delivering Excellence

we want to hear from you.

Loenbro is an Equal Opportunity Employer