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Architectural Project Designer

Trileaf Corporation
St Louis, MO Full Time
POSTED ON 10/29/2025 CLOSED ON 12/24/2025

What are the responsibilities and job description for the Architectural Project Designer position at Trileaf Corporation?

 Trileaf Corporation is a nationwide environmental, architecture, and engineering consulting firm that assists clients with environmental due diligence, regulatory compliance, and engineering and architectural design. From its headquarters in St. Louis, MO, and multiple branch offices throughout the U.S., Trileaf serves the wireless communications, commercial real estate and financial industries.


Location: St. Louis (In Office)

Job Summary:

As an Architectural Project Designer, you would be responsible for assisting on a subset of Trileaf’s architectural and MEP projects from conception to completion. You would leverage your background in interior design, architecture, and building codes to assist in the successful execution of Construction Documents and Permitting (including coordination with other disciplines). 

Trileaf’s project designers assist Sr. Project Designers with their own projects, with feedback and input from Trileaf’s Project Managers and Architects. In some cases, Project Designers will also be responsible for managing their own individual projects; as such, Trileaf’s project designers will quickly learn the permitting requirements of various states, identify and correct potential building code compliance issues, and complete CDs to the satisfaction of the Architect of Record as well as the local Authority Having Jurisdiction, with moderate oversight and direction.  

Essential Duties and Responsibilities:
  • Assist with a subset of Trileaf’s projects:
    • Perform a cursory overview of the project upon receipt, to identify any potential issues with the Design Intent, on-site conditions, and any additional services that might be necessary for the completion of the project (e.g. Structural engineering, civil engineering, Site Plans, etc)
    • Attend a complete a kickoff meeting with the Architect of Record and Lead Designer, during which you will go over the above, and your proposed solutions to each
    • Within 2-3 business days, complete a Background Drawing and provide to Trileaf’s internal MEP department, alongside a timeline for completion.
    • Over the course of the next 10-15 business days (dependent on the client and prototype), assist in the completion of a full set of Architectural Construction Documents
    • Complete your own self-QA/QC to identify any errors
    • You will be working on multiple projects at a time
  • Additionally, the Project Designer is responsible for keeping notes updated in our internal tracking system, and attending several meetings each week on the status of projects. 

    Finally, as part of your responsibilities, you will also be responsible for performing Permitting Assistance on some of the CDs you have produced: 

    • Fill out Permit Applications, in coordination with the Client
    • Submit the CDs to the jurisdiction in the manner requested
    • Coordinate any Plan Review fees with the client, and work through the requirements for Trileaf to be reimbursed
    • Periodically follow up with the jurisdiction for updates, and provide those updates to the Client
    • Work through any redlines and/or demonstrations requested from the AHJ
    • Upon approval, pull the AHJ-stamped CDs and submit to the Client (if applicable)

Basic Qualifications:

To be considered, the resume of the applicant must demonstrate the following qualifications/skills:
  • Knowledge of Building Codes, including Accessibility Compliance
  • Strong drafting ability in AutoCAD; REVIT a plus
  • Experience producing CD sets for retail, convenience stores, and/or restaurants is preferred but not required
Education:
  • BA/BS in Architecture, Interior Design, or equivalent experience
Benefits:
  • Health, Dental & Vision Insurance
  • 401k w/matching
  • Short-term disability, Long-term disability & Life Insurance - 100% Employer paid
  • 3 weeks of PTO per year
  • 8 paid holidays plus 1 floating holiday


The listed salary range for this position is an expected range. The actual offer will be at the company's sole discretion and determined by relevant business considerations, including the final candidate's qualifications, years of experience, skillset, geographic location, and current market data.

Trileaf Corporation is an equal opportunity employer that recognizes the value of diversity and inclusion in the workplace. We prohibit discrimination and harassment of any kind based on race, color, sex, age, religion, sexual orientation, national origin, disability, genetic information, pregnancy, or any other protected characteristic as outlined by federal, state, and local laws in jurisdictions where we operate. 

Salary : $55,000 - $60,000

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