Demo

Mechanical Engineer - St. Louis, MO

Solutions AEC LLC
Saint Louis, MO Full Time
POSTED ON 10/20/2026
AVAILABLE BEFORE 11/18/2026

Are you ready to get hands-on and help shape the future of building systems? Solutions AEC is a Design/Build-focused Engineering, Commissioning, and Consulting firm seeking a Mechanical Engineer who is passionate about advancing the built environment. We’re looking for someone with 0–5 years of experience who is eager to learn, solve real-world challenges, and grow alongside an experienced team. 

At Solutions AEC, we combine strong engineering fundamentals with innovative thinking, emerging technology, and a commitment to continuous improvement. We’re embracing AI and emerging digital tools to help our teams work smarter, improve processes, solve problems, and deliver greater value to our clients, while keeping sound engineering judgment at the center of our work.

What You’ll Do:

  • Assist with the design and layout of HVAC and plumbing systems for a variety of projects.
  • Produce design and construction documents using Revit, BIM, and other engineering design tools.
  • Conduct site surveys to document existing conditions and identify installation deficiencies.
  • Apply quality-control practices to help ensure designs and deliverables meet project requirements.
  • Collaborate with engineers, architects, contractors, and other disciplines throughout project delivery.
  • Assist with submittals, bid estimates, equipment procurement, site visits, and client meetings as needed.
  • Explore and responsibly use AI, automation, and emerging digital tools to improve workflows, productivity, and project delivery while applying sound engineering judgment.
  • Grow your technical expertise through hands-on experience, mentorship, training, and continuous learning.

What you Bring:

  • Bachelor’s degree in Mechanical Engineering or Architectural Engineering.
  • 0–5 years of relevant experience in building systems design, construction, or a related field.
  • Experience with Revit, AutoCAD, and Trane TRACE 3D (or similar) load calculation software is desired.
  • Ability to work with supervision while taking ownership of assigned responsibilities and contributing effectively as part of a project team.
  • Strong problem-solving, communication, time-management, and organizational skills.
  • Curiosity about AI, automation, and emerging technologies, with a willingness to learn and thoughtfully apply new tools to engineering workflows.
  • Experience with HVAC and plumbing system design is a plus.
  • Knowledge of energy modeling and LEED documentation is a plus.
  • Experience with Design/Build projects and commissioning support is a plus.

Why Solutions AEC?

At Solutions AEC, we’re not just designing projects. We’re building relationships and delivering excellence. Our core values, Do What It Takes, Get Better Every Day, Have Fun, Serve One Another, and Thoughtful Stewards guide everything we do.

What We Offer:

  • Competitive salary and a standout benefits package.
  • 100% company-paid health insurance premiums for employees.
  • 401(k) with company contributions.
  • Generous vacation and PTO, plus a four-week paid sabbatical every five years.
  • Flexible work schedule to support work-life balance.

Ready to join a team that values your skills and invests in your growth? Learn more about us at www.solutions-aec.com and apply today!

Salary : $60,000 - $90,000

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Mechanical Engineer - St. Louis, MO?

Sign up to receive alerts about other jobs on the Mechanical Engineer - St. Louis, MO career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$91,017 - $111,627
Income Estimation: 
$106,299 - $135,354
Income Estimation: 
$108,186 - $133,193
Income Estimation: 
$91,017 - $111,627
Income Estimation: 
$106,299 - $135,354
Income Estimation: 
$108,186 - $133,193
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Solutions AEC LLC

  • Solutions AEC LLC St. Louis, MO
  • Are you ready to get hands-on and help shape the future of building systems? Solutions AEC is a Design/Build-focused Engineering, Commissioning, and Consul... more
  • 8 Days Ago

  • Solutions AEC LLC PHOENIX, AZ
  • Are you ready to get hands-on and shape the future of building systems? Solutions AEC, a leading Design/Build-focused Engineering, Commissioning, and Consu... more
  • 16 Days Ago

  • Solutions AEC LLC PHOENIX, AZ
  • Are you ready to spark innovation and power the future of building systems? Solutions AEC, a trailblazing Design/Build-focused Engineering, Commissioning, ... more
  • 16 Days Ago

  • Solutions AEC LLC PHOENIX, AZ
  • Are you driven to shape the future of the built environment? Solutions AEC, a trailblazing Design/Build Engineering, Commissioning, and Consulting firm, is... more
  • 16 Days Ago


Not the job you're looking for? Here are some other Mechanical Engineer - St. Louis, MO jobs in the Saint Louis, MO area that may be a better fit.

  • Solutions AEC LLC St. Louis, MO
  • Are you ready to get hands-on and help shape the future of building systems? Solutions AEC is a Design/Build-focused Engineering, Commissioning, and Consul... more
  • 8 Days Ago

  • Sandvik Saint Louis, MO
  • 🚀 Join the Future of Manufacturing with Sandvik Coromant! Position: Sales Engineer / Account Manager for St. Louis, MO region Location: The candidate must... more
  • 20 Days Ago

AI Assistant is available now!

Feel free to start your new journey!