> Markdown version of [/jobs/ext/3962917-bas-applications-engineer](https://www.wearedevelopers.com/jobs/ext/3962917-bas-applications-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # BAS Applications Engineer - **Company:** Control Module, Inc. - **Location:** St. Louis, MO, United States - **Salary:** $90,000.0 - $120,000.0 - **Contract:** Permanent contract - **Skills:** Home Automation, Software Engineering, Programming Logic - **Published:** October 27, 2026 - **Apply:** https://www.careerbuilder.com/job-details/bas-applications-engineer-saint-louis-mo--8e43acce-6069-46de-8ed3-fef72769200f ## About the Role Software Engineering, Automation, Software Engineering, Control Engineering, Home Automation, On Site Support, Project Engineering, United States Department of Energy (DOE), Energy Management, Preventative Maintenance, * 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. ## Description BAS Applications Engineer - St. Louis, MO - Full-Service Mechanical & Automation Contractor - Up to $120,000 + Excellent Benefits, 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., * 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.