Mechanical Engineer / Senior Mechanical Engineer | Building Design | PE

Liberty Personnel Services, Inc.; Charlotte (NC); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Generous PTO

Paid Holidays

401(k) with company match

Growth opportunities

Job summary

Liberty Personnel Services, Inc. is seeking a Mechanical Engineer with 6+ years of building design experience to lead HVAC projects from design through construction in Charlotte, NC.

The ideal candidate will serve as Engineer of Record on select projects, mentor junior engineers, coordinate with architects and clients, and deliver code-compliant, cost-efficient solutions using Revit, AutoCAD MEP, TRACE 3D and related tools.

Qualifications

• 6+ years of mechanical engineering experience in building design.
• Professional Engineer (PE) license.
• ABET-accredited engineering degree.
• Strong experience designing HVAC systems for commercial or institutional buildings.
• Experience with plumbing and/or fire protection is valued but not required.
• Proficiency in Revit, AutoCAD MEP, TRACE 3D and MS Office.

Responsibilities

• Design HVAC systems for a range of projects including commercial, institutional, healthcare and office buildings.
• Coordinate mechanical designs with architects, engineers, clients and other design professionals.
• Perform calculations, equipment selections, and life-cycle cost analyses.
• Develop construction documents and project specifications.
• Mentor junior engineers and designers and support construction and testing.
• Ensure designs comply with NFPA, ASHRAE, IBC and other standards.

Skills

Mechanical engineering

Project coordination

Leadership

Mentoring

Education

ABET-accredited Bachelor’s degree

Tools

Revit

AutoCAD MEP

TRACE 3D

MS Office

Job description

Build Your Next Step in Mechanical Engineering

This is an opportunity for a Mechanical Engineer who wants to take on meaningful technical and project responsibility while working on complex building projects from design through construction.

The position is open to Mechanical Engineers with 6+ years of building design experience, as well as experienced professionals with 8–10+ years who are ready to lead projects, serve as Engineer of Record, and provide guidance to developing engineers and designers.

The work centers on HVAC system design, with opportunities to work across broader MEP applications including plumbing and fire protection. The ideal candidate brings strong technical capabilities, sound judgment, and the ability to develop practical, efficient, and code-compliant solutions.

What You’ll Do

• Design HVAC systems for commercial, institutional, healthcare, municipal, and office projects
• Support the design and coordination of plumbing and fire protection systems
• Perform system calculations, equipment selections, and Life Cycle Cost Analysis
• Develop construction documents and project-specific specifications
• Coordinate mechanical designs with architects, engineers, clients, and other design professionals
• Conduct field investigations, site visits, and construction inspections
• Serve as Engineer of Record on appropriate projects
• Direct and mentor junior engineers and designers
• Support construction, installation, and operational testing
• Ensure designs comply with applicable NFPA, ASHRAE, IBC, and other industry standards
• Utilize Revit, AutoCAD MEP, TRACE 3D, and other engineering/design software

What We’re Looking For

• 6+ years of mechanical engineering experience in building design
• Current Professional Engineer (PE) license
• Bachelor’s Degree in Engineering from an ABET-accredited program
• Strong experience designing HVAC systems for commercial or institutional buildings
• Experience with plumbing and/or fire protection systems is highly valued but not required
• Proficiency with Revit, AutoCAD MEP, MS Office, and TRACE 3D
• Strong technical, communication, problem-solving, and project coordination skills
• Ability to work independently while collaborating effectively with a multidisciplinary team

Healthcare experience is preferred. Candidates with strong building mechanical HVAC/Plumbing/Fire Protection design experience in other markets are encouraged to apply.

Preferred: Certified Plumbing Designer, LEED, Green Globes, or other sustainability credentials.

• Competitive salary + generous PTO, Paid Holidays & more!
• 401(k) with company match
• Opportunities for technical and leadership growth

Whether you're a Mechanical Engineer ready to expand your responsibilities or an experienced Senior Mechanical Engineer looking for greater project ownership and leadership, this role provides an opportunity to work on challenging building projects while continuing to develop your technical and professional career.