BAS Applications Engineer

BAS Applications Engineer – St. Louis, MO – Full-Service Mechanical & Automation Contractor – Up to $120,000 + Excellent Benefits About the Opportunity:

A well-established mechanical and building automation contractor is seeking a
BAS Applications Engineer in the greater St. Louis area.

This role is ideal for a controls engineering professional who enjoys designing, developing,and supporting innovative BAS solutions while working closely with project managers, engineers, and field technicians.

• Title: BAS Applications Engineer
• Location: St. Louis, MO (Earth City area)
• Compensation: $90,000 – $120,000 (DOE) + Bonus
• Schedule: Flexible start window (7 AM – 9 AM)
• Travel: Occasional local site visits

Founded in 1954, this family-owned national mechanical contractor providesfull-service HVAC, plumbing, and building automation solutions.

With more than 500 employees
, including 15 engineers and 8 licensed PEs,the company is known for expertise in design-build projects, energy management, system integration,and preventative maintenance
.Their client portfolio spans commercial, municipal, military,healthcare, education, entertainment, and senior living facilities.

• Design and engineer BAS systems for both new construction and retrofit projects.
• Review HVAC drawings, mechanical specifications, and sequences of operation.
• Prepare detailed submittals including control diagrams, schematics, equipment selections,valve and damper schedules, and programming logic.
• Provide technical support, engineering documentation, and product research.
• Assist with BAS integration and ensure all work aligns with design intent and industry standards.
• Collaborate with project managers, contractors, and consulting engineers throughout the design process.
• Manage multiple concurrent projects while monitoring deadlines, budgets, and deliverables.

• Experience as a BAS Applications Engineer or in a related BAS engineering role.
• Strong understanding of HVAC fundamentals and control system design.
• Hands-on background with BAS platforms such as Distech, Trane, or Honeywell.
• Skilled in reading and interpreting drawings, blueprints, and technical documentation.
• Excellent organizational, communication, and time-management abilities.

• Salary: $90,000 – $120,000 (DOE) + Bonus
• Medical, Dental, and Vision Insurance (up to 80% employer-paid)
• 401k with strong company match + profit sharing
• Sick Leave: 1 week per year, bankable up to 3 months