Application Engineer I

EMCOR Group

Chino, CAFull-time$35–40/hrPosted 3mo agoSeen in employer's feed 3 days ago

Evaluate my fit

Most applications go out cold — see where you stand first. No sign-up to start.

Watch jobs like this. New roles like this one near Chino, CA, by email.

Don't just apply. Show up ready.

Olive works from this exact posting.

Evaluate your fitSee where you stand — strengths, gaps, and what to fix first.
Tailor your résuméRewritten against this posting, every reworded bullet shown before and after.
Practice the interviewA voice mock interview built from this job description.

Evaluate your fitSee where you stand — strengths, gaps, and what to fix first.Get started →Tailor your résuméRewritten against this posting, every reworded bullet shown before and after.Get started →Practice the interviewA voice mock interview built from this job description.Get started →

At a glance

Compensation

$35–40/hr

Location

Chino, CA

Schedule

Full-time

Work Authorization

Not specified

Olive lists jobs from US employers, including remote roles you can work from the United States.

Job overview

EMCOR Group’s Application Engineer I supports HVAC controls and building automation projects. The role involves interpreting mechanical drawings, developing controls submittals with assistance from senior application engineers, and creating project graphics, P&IDs, guidelines, standards, and templates. The position requires an engineering degree or equivalent field experience and relevant experience; experience with specific HVAC controls systems and professional engineering credentials are preferred or desired.

Skills & qualifications

RequiredNice to have

Skills

Mechanical Equipment IdentificationElectrical Control CircuitsVisioAutoCADControls NetworkingControls HardwareP&ID CreationControls SubmittalsInstallation MethodsSystems GraphicsNational Electrical CodeElectronicsMechanicsHydraulicsPneumaticsComputer ProgrammingHVAC Controls SystemsVerbal CommunicationWritten CommunicationControl System Architecture DesignControl System ProgrammingControl System Maintenance

Qualifications

Bachelor's in Engineering or Equivalent Field Experience2+ Years Relevant ExperienceEIT or PE License

Benefits

Medical Insurance

Dental Insurance

Vision Insurance

401(k) Match

Full 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

Read and identify mechanical equipment on floor plans.
The ability to identify mechanical equipment on drawings the following: Chillers, Boilers, Pumps, AHU’s, FCU’s, VAV’s, and EF’s.
Understand basic electrical control circuits including 24VAC power and controller input/outputs.
Be proficient and utilize Visio and or AutoCAD.
Understand simple controls networking principles.
Display knowledge of controls hardware
Create P&ID’s based on contract drawings P&ID’s
Develop controls submittals with assistance from senior level application engineers.
Understand simple installation methods.
Ability to implementation systems graphics per project scope
Create guidelines, standards and templates for typical projects.
Basic knowledge of the National Electric Code (NEC) requirements for control system installations.

Qualifications

Bachelor’s degree in engineering (preferably Electrical or Mechanical) or equivalent field experience.
2+ years of relevant experience, with at least 2 years in applications engineering preferred.
Engineering skills required include knowledge of electronics, mechanics, hydraulics, pneumatics, and computer programming.
Working knowledge of at least one HVAC controls systems (preferably Delta, JCI or Andover)
Excellent verbal and written communication skills.
Experience with control system architecture design, programing, or maintenance desired.
EIT or desire to obtain a PE license a plus.

#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) .

Notice to Prospective Employees

Notice to prospective employees: There have been fraudulent postings and emails regarding job openings. EMCOR Group and its companieslist open positions here (https://careers-emcorgroup.icims.com/) . Please check our available positions to confirm that a post or email is genuine.

EMCOR Group and its companies do not reach out to individuals to help with marketing or other similar services. If an individual is contacted for services outside of EMCOR’s normal application process – it is probably fraudulent.

Geographic Disclosure

Compensation Range: $35 - $40 per hour

Benefits: We are committed to providing employees a comprehensive benefits package which includes medical, dental, and vision coverage, along with health savings and flexible spending accounts, life insurance, disability, a 401(k) Savings Plan, College Coach and employee assistance program

Email a Friend Email a Friend

Software Powered by ICIMS (https://icims.help/candidate-faq)

Job Locations US-CA-Chino

ID 2026-51065

Company Mesa Energy Systems, Inc.

Category Operations Services

Position Type Full-Time

Location Type Onsite

Posted Date (7/7/2026 3:00 PM)