Mechanical Engineer

EMCOR Group; Phoenix (AZ); On-site; USD 80,000 - 110,000; Full time

Job summary

Mesa Energy Systems, Inc. in Phoenix, AZ is seeking an HVAC Design Engineer with a BS in mechanical engineering to support design, sizing, and system selection for commercial projects onsite.

The role emphasizes energy efficiency, code compliance, and collaboration with project teams to deliver practical, cost-effective installations. You will perform heating and cooling load calculations, assist with site surveys, and contribute to submittal packages and technical reports.

Qualifications

• Bachelor’s degree in mechanical engineering is required.
• 1+ years of HVAC design experience preferred.
• CEM and/or EIT certification highly preferred.

Responsibilities

• Familiar with HVAC system types and applications.
• HVAC design, sizing, and ductwork and piping.
• Apply Mechanical Codes and Energy Efficiency Standards.
• Prepare load calculations and Title 24 using Energy-Pro and eQuest.
• Contribute to job site surveys and analyze solutions and sequencing.
• Assist in preparing submittal packages and scope documents.
• Write technical proposals and reports.

Skills

HVAC design knowledge

Written & verbal communication

Independent decision making

Education

Bachelor’s degree in mechanical engineering

CEM

EIT

Tools

AutoCAD MEP

Revit

MS Word

Excel

PowerPoint

Project

Adobe Acrobat

Job description

About Us

We are a full-service HVAC, building automation, chiller, and retrofit contractor with a reputation for combining high-quality consulting services with customized energy solutions. Our integrated, single-source solutions include turnkey in-house capabilities with design assistance, as well as engineering applications and automated control systems.

Essential Duties & Responsibilities

• Familiar with different HVAC system types and their applications
• HVAC systems selection, sizing, and design (ductwork and piping)
• Experienced with Mechanical Codes and Energy Efficiency Standards
• Engineering experience with energy efficiency, developing or supporting performance-based projects or energy services
• Perform Heating, Cooling Load Calculations and Title 24 Compliance calculations using Energy-Pro and eQuest programs
• Assist with developing ability to conduct job site surveys and help to analyze solutions and installation sequencing.
• Other duties may include copying/printing/scanning, assembly of equipment submittal packages, assistance in preparing work scope and other tasks as assigned.
• Ability to manage multiple deadlines
• Ability to write technical proposals and reports

Qualifications

• Bachelor’s degree in mechanical engineering
• 1+ years’ experience in HVAC Design
• CEM, EIT highly preferred
• Knowledge of OSHPD codes are a plus
• Independent decision making is required
• Computer skills using MS Word, Excel, Power Point, Project and Adobe Acrobat. Knowledge of AutoCAD MEP or Revit is a plus.
• Excellent written and verbal communication skills required.

#Mesa #LI-Mesa #LI-HVACjobs #LI-Onsite

Equal Opportunity Employer

As a leading provider of mechanical and electrical construction, facilities services, and energy infrastructure, we offer employees a competitive salary and benefits package and we are always looking for individuals with the talent and skills required to contribute to our continued growth and success. Equal Opportunity Employer/Veterans/Disabled.

Affirmative Action Policy

Please review ourAffirmative Action Policy (https://emcorgroup.icims.com/icims2/servlet/icims2?module=AppInert&action=download&id=125196&hashed=-2134526997).

Job Locations

US-AZ-Phoenix

ID

2026-53032

Company

Mesa Energy Systems, Inc.

Category

Operations Services

Position Type

Full-Time

Location Type

Onsite

Posted Date

3 weeks ago (10/6/2026 4:24 PM)