Construction Administrative Assistant

🗂️ Construction Administrative Assistant
Organize Projects. Support Teams. Keep Construction Moving.
Pay: $27.00 - $30.00
Position Type: Full-Time
Location: Colorado (Office-Based with Limited Flexibility)
Travel: Minimal
Reports To: Sr. Project Manager
About Tasman
At Tasman Inc, we deliver environmental, construction, and earthwork solutions with a strong commitment to safety, integrity, and excellence. Our teams support complex projects across multiple regions, ensuring precision from project startup through closeout.
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. We work as a team and celebrate success together.
DO THE RIGHT THING
We operate with integrity and accountability, taking care of our people, partners, and the planet.
PURSUE EXCELLENCE
We value precision, organization, and continuous improvement—because details matter.
The Role
The Construction Administrative Assistant plays a critical role supporting Tasman’s Construction Department through a blend of office administration, project support, and job cost accounting. This position supports project teams from startup through closeout and serves as a primary point of contact for office visitors, vendors, and internal staff.
The ideal candidate is highly organized, detail-oriented, adaptable, and confident managing multiple priorities in a fast-paced construction environment. This role requires strong communication skills, comfort with financial and job cost data, and a proactive, team-oriented approach.
This position is primarily based in Colorado with little to no overnight travel.
What You’ll Be Doing General & Office Administration

Serve as the first point of contact for office visitors, creating a professional and welcoming environment
Manage daily office operations, including ordering office and field supplies
Assist with scheduling meetings, appointments, and company events
Maintain organized electronic and physical filing systems
Support internal communications and office process improvements
Construction & Project Administration

Prepare and submit monthly client billings
Track daily time for direct and indirect staff
Prepare daily Labor, Equipment, and Materials (LEM) reports
Create job cost reports and assist with budget tracking
Manage and maintain multiple spreadsheets and logs
Enter equipment units and project data into NetSuite
Review monthly invoices against LEM reports for accuracy
Support procurement activities and vendor coordination
Assist with project startup and closeout documentation
Ensure field notes, reports, and compliance documentation are saved properly
What You Bring Required

High school diploma or equivalent
1–5 years of administrative, accounting, or billing experience (construction or related industry preferred)
Proficiency in Microsoft Office, Outlook, and Excel
Ability to learn accounting and project management software
Strong organizational, time-management, and multitasking skills
Excellent written and verbal communication skills
High attention to detail and ability to maintain confidential records
Ability to work independently and collaboratively
Strong problem-solving skills and initiative-driven mindset
Authorization to work in the United States
Valid driver’s license
Preferred

Associate’s or Bachelor’s degree in Accounting, Business Administration, or related field
Experience in construction, oil & gas, or engineering industries
Proficiency with Oracle NetSuite and/or Microsoft Project
Work Environment
This role operates primarily in a professional office setting. This position will require the individual to normally work 5 days a week either at our remote office at in Commerce City, CO or HQ office in Wheat Ridge, CO.
Office Conditions

Regular use of computers, phones, copiers, and scanners
Collaboration with project managers, accounting, and operations teams
Physical Requirements

Sit or stand for extended periods
Regular use of hands for keyboarding and handling materials
Occasional lifting of office or field materials up to 30 pounds
Standing or walking for short periods throughout the day
Schedule

Full-time
Monday – Friday, typically between 8:00 a.m. – 5:00 p.m.
Occasional evening or weekend work based on project needs
Start and end times may vary depending on workload
Work Authorization

Must be authorized to work in the United States
Must possess a valid driver’s license
Must be able to pass drug screening - to include marijuana
Benefits

Group Health Coverage
401(k) Retirement Plan
Paid vacation
Paid sick time
Company-sponsored paid holidays
Why Join Tasman?
At Tasman, you’ll be a vital part of project success—supporting construction teams, maintaining organized systems, and ensuring financial and administrative accuracy. You’ll work alongside experienced professionals in a collaborative, safety-focused environment where your attention to detail truly matters.
If you’re ready to support impactful construction projects and grow your administrative expertise—
👉 Apply today and join a company where safety, integrity, and excellence guide everything we do.