BAS Applications Engineer

ControlsJobs; St. Louis (MO); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401k match

Profit sharing

Sick leave

Job summary

ControlsJobs in St. Louis, MO seeks a BAS Applications Engineer to design, develop, and support BAS solutions for retrofit and new construction projects.

You will review HVAC drawings, specify equipment, and create control diagrams and programming logic while coordinating with project managers and field technicians. The ideal candidate has hands-on BAS experience with Distech, Trane, or Honeywell, strong HVAC fundamentals, and excellent communication and time management skills.

Qualifications

• Experience designing and engineering BAS systems for new or retrofit projects.
• Strong HVAC knowledge and control sequences understanding.
• Ability to read drawings, specifications, and wiring diagrams.
• Excellent organization and communication skills.

Responsibilities

• Design and engineer BAS systems for new construction and retrofit projects.
• Review HVAC drawings, specifications, and sequences of operation.
• Prepare submittals with control diagrams, schematics, equipment selections, and programming logic.
• Provide technical support and documentation; assist with BAS integration.
• Collaborate with PMs, engineers, and field technicians throughout the design process.
• Manage multiple projects, deadlines, and budgets.

Skills

HVAC fundamentals

Control system design

BAS engineering

Reading drawings

Project coordination

Communication skills

Tools

Distech BAS

Trane

Honeywell

Job description

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 aBAS 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

About the Company:

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.

Responsibilities:

• 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.

Ideal Candidate:

• 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.

What’s Offered:

• 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