Mechanical Engineer / Mechanical Designer

Full Circle Co; Houston (TX); On-site; USD 70,000 - 110,000; Full time

Job summary

Full Circle Co in Houston is seeking a Mechanical Engineer/Designer to join our growing MEP & Fire Protection team. You will design HVAC and mechanical systems for commercial building projects, perform load calculations, and prepare plans and construction documents.

Experience with AutoCAD or Revit is required or beneficial; EIT/PE a plus. This on-site role offers collaboration with architects and other engineers, with opportunities to grow responsibilities and expertise.

Qualifications

• Bachelor's degree in Mechanical Engineering preferred.
• Experience in commercial HVAC or MEP design strongly preferred.
• Proficiency with AutoCAD; Revit experience is a plus.
• Experience with HVAC load calculation software (Carrier HAP, Trane TRACE, etc.) preferred.
• Familiarity with IMC, IECC, ASHRAE standards and building codes.
• Ability to read and interpret architectural and engineering drawings.
• Strong technical, organizational, and communication skills.
• EIT certification is a plus but not required.
• PE license is a plus for experienced candidates but not required.

Responsibilities

• Design HVAC and mechanical systems for commercial building projects.
• Perform heating and cooling load calculations.
• Size and design ductwork and air distribution systems.
• Select HVAC equipment, including RTUs and split systems.
• Prepare mechanical plans, schedules, details, and construction documents.
• Develop designs using AutoCAD and/or Revit.
• Coordinate mechanical designs with other disciplines.
• Assist with energy and mechanical code compliance.
• Respond to plan review comments, RFIs, and submittals.
• Participate in site surveys for existing conditions.
• Support renovation, tenant improvements, and new construction.
• Coordinate with clients and project stakeholders.

Skills

HVAC design

AutoCAD

Revit

Load calculations

MEP design

Project coordination

ASME standards

Communication skills

EIT

Education

B.S. Mechanical Engineering

EIT certification

Tools

AutoCAD

Revit

Carrier HAP

Trane TRACE

Job description

Position Overview

A growing MEP & Fire Protection engineering firm is seeking a motivated Mechanical Engineer / Mechanical Designer to join our team.

This position will support the design and development of mechanical systems for commercial building projects. We are open to Mechanical Designers, Engineers-in-Training (EITs), and Mechanical Engineers who are looking to expand their technical skills and grow into greater project responsibility.

Key Responsibilities

• Design HVAC and mechanical systems for commercial building projects.
• Perform heating and cooling load calculations.
• Size and design ductwork and air distribution systems.
• Select HVAC equipment, including RTUs, split systems, exhaust fans, and related equipment.
• Prepare mechanical plans, schedules, details, and construction documents.
• Develop designs using AutoCAD and/or Revit.
• Coordinate mechanical designs with architectural, electrical, plumbing, structural, and fire protection disciplines.
• Assist with energy code and mechanical code compliance.
• Respond to plan review comments, RFIs, submittals, and construction questions.
• Participate in existing-condition site surveys as needed.
• Support renovation, tenant improvement, and new construction projects.
• Coordinate with clients, architects, contractors, and other project stakeholders.

Qualifications

• Bachelor's degree in Mechanical Engineering preferred for engineering candidates.
• Relevant mechanical drafting/design experience may be considered for Mechanical Designer candidates.
• Commercial HVAC or MEP design experience strongly preferred.
• Proficiency with AutoCAD; Revit experience is a plus.
• Experience with Carrier HAP, Trane TRACE, or similar HVAC load calculation software is preferred.
• Familiarity with IMC, IECC, ASHRAE standards, and applicable building codes.
• Ability to read and interpret architectural and engineering construction documents.
• Strong technical, organizational, communication, and problem-solving skills.
• Ability to manage multiple projects and deadlines.
• EIT certification is a plus but not required.
• PE license is a plus for experienced candidates but is not required.

Why Join The Team?

This is an opportunity to join a growing engineering firm where you can work directly with experienced engineers and gain hands‑on exposure to Mechanical, Electrical, Plumbing, and Fire Protection design.

We offer the opportunity to work on a variety of projects, develop your technical expertise, take on increasing levels of responsibility, and grow your career as the firm continues to grow.

We’re looking for someone who takes pride in their work, enjoys solving problems, and wants to become an important part of a growing engineering team.