Mechanical Engineer (PE) HVAC / Plumbing

Liberty Personnel Services, Inc.; Charlotte (NC); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Comprehensive medical, dental, vision,

life, and disability insurance

401(k) retirement plan with company

Generous paid time off and holidays

Job summary

Liberty Personnel Services, Inc. seeks a licensed Professional Engineer (PE) with a strong HVAC and plumbing design background to join our mechanical engineering team in Charlotte, NC.

This role offers ownership of mechanical projects, leadership in technical coordination, and delivery of complex building systems across commercial and institutional projects. You will lead HVAC and plumbing design, perform load calculations, review drawings and specs, and mentor junior engineers.

Qualifications

• Bachelor's degree in Mechanical Engineering from ABET-accredited program.
• Current Professional Engineer (PE) license.
• 6+ years of mechanical engineering experience focused on HVAC and/or plumbing design for buildings.
• Strong understanding of commercial building mechanical systems, calculations, equipment selection, and construction documentation.
• Experience coordinating mechanical designs with other disciplines and supporting projects through construction.
• Proficiency with Revit and/or AutoCAD MEP; familiarity with HVAC load software.

Responsibilities

• Lead and perform mechanical engineering design for HVAC systems in commercial, institutional, healthcare, municipal, and office buildings.
• Design and coordinate plumbing systems, including domestic water, sanitary, and related building services.
• Perform HVAC load calculations, equipment selections, system sizing, and life-cycle cost analyses.
• Develop and review engineering drawings, specifications, calculations, and construction documents.
• Coordinate mechanical designs with architectural, structural, electrical, and other engineering disciplines.
• Conduct site assessments, field investigations, construction observations, and system evaluations.
• Provide technical oversight and engineering review to ensure designs meet project requirements and applicable codes.
• Serve as Engineer of Record on appropriate projects, consistent with qualifications and project requirements.
• Support construction administration, respond to contractor inquiries, and assist with resolving field conditions.
• Provide technical guidance and mentorship to junior engineers and designers.
• Apply relevant ASHRAE, NFPA, IBC, plumbing code, and other applicable standards.

Skills

HVAC design

Plumbing design

Engineering calculations

Project coordination

Mentoring juniors

Client interaction

Code compliance

Revit proficiency

AutoCAD MEP proficiency

ASHRAE knowledge

Education

Bachelor's degree in Mechanical Engineering (ABET)

Professional Engineer (PE) license

Tools

Revit

AutoCAD MEP

Trane TRACE 3D Plus

Job description

Mechanical Engineer (PE) HVAC / Plumbing

An established MEP engineering consulting firm is seeking a licensed Mechanical Professional Engineer(PE) with a strong background in HVAC and building systems design to join its mechanical engineering team.

This opportunity is ideal for an experienced engineer who wants to take greater ownership of mechanical design projects, lead technical coordination, and contribute to the delivery of complex building systems across a diverse portfolio of commercial and institutional projects.

With an emphasis on HVAC and plumbing engineering, this position offers the opportunity to apply your technical expertise, work directly with clients and multidisciplinary design teams, and take on increasing responsibility for project delivery and engineering quality.

Professional Engineer (PE) – Mechanical | HVAC / Plumbing

Responsibilities

• Lead and perform mechanical engineering design for HVAC systems serving commercial, institutional, healthcare, municipal, and office buildings.
• Design and coordinate plumbing systems, including domestic water, sanitary, and related building services.
• Perform HVAC load calculations, equipment selections, system sizing, and life-cycle cost analyses.
• Develop and review engineering drawings, specifications, calculations, and construction documents.
• Coordinate mechanical designs with architectural, structural, electrical, and other engineering disciplines.
• Conduct site assessments, field investigations, construction observations, and system evaluations.
• Provide technical oversight and engineering review to ensure designs meet project requirements and applicable codes.
• Serve as Engineer of Record on appropriate projects, consistent with qualifications and project requirements.
• Support construction administration, respond to contractor inquiries, and assist with resolving field conditions.
• Provide technical guidance and mentorship to junior engineers and designers.
• Apply relevant ASHRAE, NFPA, IBC, plumbing code, and other applicable standards.

Qualifications

• Bachelor's degree in Mechanical Engineering from an ABET-accredited program.
• Current Professional Engineer (PE) license.
• Six (6+) years of mechanical engineering experience focused on HVAC and/or plumbing design for buildings.
• Strong understanding of commercial building mechanical systems, engineering calculations, equipment selection, and construction documentation.
• Experience coordinating mechanical designs with other disciplines and supporting projects through construction.
• Proficiency with Revit and/or AutoCAD MEP.
• Familiarity with HVAC load calculation and analysis software, such as Trane TRACE 3D Plus.
• Strong technical judgment, communication skills, and the ability to manage design responsibilities independently.
• Healthcare, institutional, municipal, or other technically demanding building project experience desired.
• Project leadership, client interaction, technical review, or mentoring junior engineering staff a plus
• Competitive salary based on experience and qualifications.
• Generous paid time off and paid holidays.
• Comprehensive medical, dental, vision, life, and disability insurance.
• 401(k) retirement plan with company match.
• Opportunities for technical development, project ownership, and career advancement.