Application Engineer II

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.

Job Summary

The Application Engineer II will be responsible to coordinate the planning and design of control systems to include programming and system configuration.

Essential Duties & Responsibilities

• Identify MEP systems on drawings.

• Understand the intent of individual mechanical equipment such as: Chillers, Boilers, Pumps, AHU’s, FCU’s, VAV’s, EF’s.

• Design complex electrical circuits such as: VFD’s, Motor Starters, Transducers, Actuators, Sensors, and Relay Logic.

• Visio and AutoCAD knowledge

• Advanced knowledge of controls hardware.

• Select control hardware based on equipment requirements.

• Discover new control technologies to enhance our existing product offering.

• Create P&ID’s based on mechanical equipment only.

• Develop controls submittals with little to no assistance from senior level engineers.

• Identify potential scopes of work for controls implementation.

• Interact with field electricians and specify methods of installation.

Qualifications

• Bachelor’s degree in Engineering (preferably Electrical or Mechanical) or equivalent field experience.

• 4+ years of relevant experience, with at least 2 years in applications engineering.

• EIT or PE license desired.

• Engineering skills required include knowledge of electronics, mechanics, hydraulics, pneumatics, and computer programming.

• Working knowledge of at least two HVAC controls systems (preferably Distech, Delta, Schneider or JCI)

• Excellent verbal and written communication skills.

• Experience with control system architecture design, programing, or maintenance desired.

#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: $43 - $55 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.

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Job Locations US-CA-Chino

ID 2026-52470

Company Mesa Energy Systems, Inc.

Category Engineering

Position Type Full-Time

Location Type Hybrid

Posted Date (9/16/2026 2:00 PM)