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Salary
$108k – $136k per year
Location
In office (Chino)
Seniority
Middle · 8+ years exp

Confirmed on the employer's own hiring board on Oct 14, 2026. First seen by Alion on Oct 13, 2026.

Overview
Company
Impact
Profile match
EMCOR Group is an American mechanical and electrical construction, industrial and energy infrastructure and building services company headquartered in Norwalk, Connecticut. A Fortune 500 member of the S&P 500 listed on the NYSE, it reported about 16.99 billion dollars of revenue in 2025 through roughly 100 operating companies, around 450 US locations and about 47,700 employees, including subsidiaries such as AltairStrickland, R.S. Harritan and Welsbach Electric. Its job board covers project managers and engineers, HVAC and fire protection technicians, sheet metal and electrical apprentices, cost accountants and safety staff.

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 III will be responsible for coordinating the planning and design of control systems to include programming and system configuration. The Application Engineer III will also be responsible for coaching and mentoring other the control system engineering team members.

Essential Duties & Responsibilities

  • Executes project start-ups, commissioning, testing, and troubleshooting of installed BAS controls and mechanical systems on assigned projects.
  • Participates in the layout and coordination of network drops, IP addresses and monitoring tools with customer's IT Department personnel.
  • Runs complex reports to analyze system operation, works with project team to demonstrate system operation and verify consistency with the contracted scope of work.
  • Develop written sequence of operation based on mechanical drawings
  • Understand the design and intent of mechanical equipment and systems such as Chiller, Boiler, Custom AHU’s, Primary/Secondary pumping, Variable flow Chilled water plants, Clean Room Applications, Demand Response, and Energy solutions.
  • Analyze systems and develop scope of work for controls implementation, create control algorithms, download source code to controllers and manage databases.
  • Give technical presentations on building automation, controls, and emerging technology and experience in multiple systems integration.
  • Participates in final inspection and testing, assures customer acceptance, and conducts training for end user customers on system operations.

Qualifications

  • Bachelor’s degree in engineering (preferably Electrical or Mechanical) or equivalent field experience.
  • Strong networking background required
  • 8+ years of direct automation experience with control system architecture design and programing required/
  • 6+ years of experience with Niagara AX/N4, Distech, Delta, or similar systems.
  • Knowledge of Direct Digital Controls, BACnet, MODbus, Tridium, Schneider, and Delta required.
  • Must have working knowledge of HVAC systems - Unitary Systems to Central Plants
  • Engineering skills required include knowledge of electronics, mechanics, hydraulics, pneumatics, and computer programming.
  • 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 our Affirmative Action Policy.

Notice to Prospective Employees

Notice to prospective employees: There have been fraudulent postings and emails regarding job openings. EMCOR Group and its companies list open positions here. 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: $54 - $68 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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