**Description** Mesa Energy Systems is a wholly owned subsidiary of EMCOR Group, Inc. EMCOR is the world’s leading provider of mechanical and electrical construction and facilities services, including planning, consulting, and operations and maintenance. Mesa Energy Systems is a HVAC mechanical services company that provides fully integrated solutions for preventative maintenance and repair, upgrading existing mechanical, electrical, and controls systems to provide the most efficient economic solutions to meet customer expectations. **Job Title:** Application Engineer III **Principal Duties and 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. **Job Specifications** (incl. Education requirements, minimal experience, computer skills required, etc.) + Bachelor’s degree in engineering (preferably Electrical or Mechanical) or equivalent field experience. + 8+ years of direct automation experience with control system architecture design and programing required/ + 6+ years of experience with Niagara AX/N4 and Distech - Niagara N4 and Distech certified. + 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. 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. **Compensation Range:** $55 - $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. **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. \#Mesa \#LI-mesa \#LI-hvacjobs \#LI-Onsite