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Assistant Project Manager

Lemont, Illinois - Posted on February 27, 2026
Published By Alexandria Kramer

Trillium Construction is hiring for an Assistant Project Manager in Lemont, IL to work directly with a well-established commercial landscaping company that specializes in landscape design, construction, and management services.

The Assistant Project Manager will be responsible for working with the Project Manager to ensure a new project has a seamless transition from the awarded phase into production.

Duties:
-Directly support Project Managers during the post awarded construction phase of a new project
-Organize project information within our internal data systems and prepare necessary documents for clients
-Prepare product data, shop drawings, subcontractor info for submission into clients for all active commercial jobs.
-Maintain submittal logs throughout the entire process until final approvals
-Working with vendors and manufacturers to manage lead times, purchasing, and staging of deliveries
-Working with nurseries to manage availability, tagging, photo submittals, purchasing, and staging deliveries
-Maintain a tracking system for procurement of all construction materials by job
-Maintain and update Job status reports
-Assist superintendent and project managers during various stages of the construction process.
-Assist in reviewing and verifying quantities and unit prices of subcontractor work orders
-Assist with Punch List items and project close out

Compensation:
-Annual salary between $75k - $95k
-PTO
-Paid holidays
-401(k), with match
-M/V/D insurance

Apply now!

Qualifications:
-2-3 years’ experience in the landscape industry preferred
-Knowledge of construction techniques and industry best practices
-Excellent communication and organization skills
-Excellent attention to detail
-Ability to prioritize and multi-task
-Expertise in Microsoft Office Suite


Trillium Construction Services has been recruiting and hiring construction and skilled trades talent for over 30 years. Trillium is an Equal Opportunity Employer.

By applying to this job, I agree to receive electronic communications including SMS text and email regarding future opportunities, referral bonus incentives, and other promotions from Trillium. You may opt out at any time from future communications by responding STOP to any electronic communication. You may view our full privacy policy at https://trilliumstaffing.com/jobs/privacy/.

Trillium offers a comprehensive benefit package that includes the ability to participate in health insurance and retirement plans, paid holidays, state required leave, and vacation days, if applicable. Trillium’s offerings are dependent on the state in which the assignment is located, length of time worked, and may change depending on assignment. Benefit packages for direct hire placements vary based on the client company.

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      Kathleen