Mechanical Engineer III

Job Description

Job Description

Mechanical Engineer III

Company Name: RTM Engineering Consultants
Location: Any RTM office: Schaumburg, IL | Orlando, FL | Rogers/Bentonville, AR | Davenport, IA | Seattle, WA | Dallas, TX | Springfield, MO | Fort Collins, CO | St. Louis, MO | Lakewood, CO | Avon | Kentucky
Project Focus: MEP Systems, HVAC, Plumbing, Fire Protection
Work Setting: In-Office
Base Salary: $85,000 – $115,000
Total Compensation Package: $85,000 – $115,000, 401(k) matching, profit sharing
Recruited Exclusively By: Luxus Group

About the Role

We are seeking a Mechanical Engineer III to anchor our MEP operations and evolve into a strategic project leader. In this role, you will design complex HVAC, plumbing, and fire protection systems while serving as the technical heartbeat of your projects. You will also bridge the gap between sophisticated engineering concepts and client delivery while mentoring the next generation of design talent.

Key Responsibilities

• Lead the design and development of complex HVAC, plumbing, and fire protection systems.
• Manage the full project lifecycle, including timelines and design communications.
• Act as the primary technical liaison in client meetings, providing guidance on codes, standards, site surveys, and construction administration.
• Execute rigorous QA/QC processes and produce high-fidelity construction documents, load calculations, and specifications.
• Onboard and mentor junior engineers and designers.
• Support the preparation of engineering agreements and proposals.
• Collaborate with internal multidisciplinary teams to refine workflows, optimize cost management, and drive project efficiency.

Required Qualifications

• Bachelor's degree in Mechanical Engineering.
• 3–5+ years of progressive experience within a mechanical engineering or MEP consulting environment.
• Advanced command of Revit and AutoCAD.
• Deep understanding of HVAC fundamentals, engineering drafting standards, and building codes.
• Authorized to work in the U.S. without current or future sponsorship.

Preferred Qualifications

• Active Professional Engineer (PE) license or EIT certification on track for licensure.
• Proven experience managing multidisciplinary coordination and complex project schedules.
• Specialized knowledge in high-efficiency HVAC design and integrated fire protection systems.

Compensation & Benefits

• 401(k) Matching
• Profit Sharing

About RTM Engineering Consultants

RTM Engineering Consultants is a multidisciplinary engineering and design firm with a national reach and a boutique feel. Specializing in MEP, Civil, and Structural services, RTM is built around the philosophy of "The RTM Way", a commitment to being a consistent, reliable partner to clients and a supportive, growth-oriented home for engineers. With a focus on sustainable growth and collaborative excellence, RTM provides team members with the resources of a large firm while maintaining a culture of unity, trust, and hands-on mentorship.

About Luxus Group

Luxus Group is an exclusive AEC recruiting firm managing this search on behalf of RTM Engineering Consultants. We partner with the most prestigious structural, civil, MEP, and architectural firms in the country to connect top-tier talent with legacy-building opportunities. Not the perfect fit for this role? We still want to hear from you. Our network is constantly expanding with exclusive, unlisted positions across the AEC sector. Connect with us today to discuss your career trajectory.