Construction Administrative Assistant

DescriptionConstruction Administrative Assistant 🗂️

Support Projects. Manage Data. Keep Construction Moving.

Pay: $26.00 – $29.00 per hour
Position Type: Full-Time, Non-Exempt
Location: Greeley, Colorado (Office-Based)
Travel: Minimal
Reports To: Makaila Carey

The Role

The Construction Administrative Assistant supports day-to-day operations within Tasman’s Construction Earthwork division. This role provides critical administrative and job cost support, assisting with billing, tracking project data, managing documentation, and supporting project lifecycle activities from startup through closeout.

This position offers hands-on exposure to construction operations and job cost accounting, making it ideal for someone detail-oriented, organized, and eager to grow within a dynamic environment. The ideal candidate thrives in multitasking, problem-solving, and maintaining structure in a fast-paced setting.

What You’ll Be Doing

Administrative & Project Support

Create and support monthly client billings
Manage and track multiple project spreadsheets and data
Communicate project data clearly and concisely to managers
Generate job cost reports and assist with tracking budgets

Accounting & Data Management

Review and code accounts payable (AP) invoices
Enter equipment units and project-related data into NetSuite
Support cost control tracking and documentation accuracy

Operational Support

Assist with documentation distribution and project coordination
Maintain organized project records and files
Support project startup and closeout processes
Perform additional administrative tasks as assigned

What You Bring

Required

High school diploma or equivalent
1+ year of experience in accounting, billing, or administrative roles (construction or related field preferred)
Proficiency in Microsoft Office (Excel, Word, Outlook)
Ability to learn accounting and project management systems
Strong organizational skills and attention to detail
Strong written and verbal communication skills
Ability to manage multiple priorities and adapt quickly
Ability to work both independently and as part of a team
Strong time management and task prioritization skills
Ability to maintain confidentiality
Valid driver’s license and authorization to work in the U.S.

Preferred

Experience in oil & gas industry
Associate’s degree in Accounting or related field

Work Environment

This role operates in a professional office setting:

Office Conditions:

Regular use of computers, phones, and office equipment
Collaboration with project managers and operations teams

Physical Requirements:

Sit, stand, walk, and use hands for standard office tasks
Occasionally lift up to 30 pounds
Stand for periods of time and move within office environment

Schedule

Full-time
Monday – Friday, typically 8:00 a.m. – 4:00 p.m.
Occasional evenings or weekends based on project needs
Daily schedule may vary depending on workload

Work Authorization

Must be authorized to work in the United States
Must possess a valid driver’s license

Benefits

Medical, dental, and vision insurance
401(k) with company match (up to 4%)
Health Savings Account (HSA) & Flexible Spending Account (FSA)
Paid time off (PTO)
Paid sick time
Company-sponsored paid holidays
Tuition reimbursement
Safety equipment provided
Employee Assistance Program (EAP)

Why Join Tasman?

At Tasman Inc, we deliver environmental, construction, and consulting solutions with a strong commitment to safety, integrity, and excellence. Our teams support impactful projects that protect infrastructure, communities, and the environment.

Our work is guided by three core values:

WE ARE OUR PEOPLE
Safety is #1. We ensure every employee makes it home safe every day and succeed together as a team.

DO THE RIGHT THING
We operate with integrity, accountability, and respect for people and the environment.

PURSUE EXCELLENCE
We apply expertise, innovation, and high standards to everything we do.

As a Construction Administrative Assistant, you’ll play a key role in keeping projects organized, accurate, and on track—while building valuable experience in construction and project support.

👉 Apply today and help support projects that make a real impact.