Mechanical Engineer - St. Louis, MO

Solutions AEC LLC; Concord (MO); On-site; USD 60,000 - 90,000; Full time

Benefits offered by this job

100% company-paid health insurance

401(k) with company contributions

Generous vacation and PTO

Sabbatical every five years

Flexible work schedule

Job summary

Solutions AEC LLC in St. Louis, MO is seeking a Mechanical Engineer with 0–5 years of experience to design HVAC and plumbing systems for diverse projects. The role emphasizes hands-on design, documentation with Revit and BIM, and collaboration with a multi-disciplinary team.

You will explore AI and emerging digital tools to improve workflows while applying sound engineering judgment. A bachelor’s degree in Mechanical or Architectural Engineering is required, with growth through mentorship and

Qualifications

• Bachelor’s degree in Mechanical or Architectural Engineering.
• 0–5 years of experience in building systems design or related field.
• Experience with Revit, AutoCAD, and Trane TRACE 3D (or similar) load software.
• Willingness to learn AI, automation, and emerging technologies.

Responsibilities

• Assist design and layout of HVAC and plumbing systems.
• Produce design and construction documents using Revit and BIM.
• Conduct site surveys documenting existing conditions.
• Apply quality-control practices to meet project requirements.
• Collaborate with engineers, architects, contractors, and others.
• Assist with submittals, bid estimates, equipment procurement, site visits, and client meetings.
• Explore AI and digital tools to improve workflows.
• Grow technical expertise through mentorship and training.

Skills

Problem-solving

Communication

Time management

Organization

Education

Bachelor’s degree in Mechanical Engineering or Architectural Engineering

Tools

Revit

AutoCAD

Trane TRACE 3D

Job description

Solutions AEC LLC - HQ, St. Louis, MO, US

Salary Range: $60,000.00 To $90,000.00 Annually

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.