HVAC Controls Application Engineer
Johnson Controls
- Location
- St Louis-Missouri-United States of America
- Work model
- On-Site
- Level
- Mid
- Posted
- Aug 14, 2026
About this role
Build your best future with the Johnson Controls team! As a global leader in smart, healthy, and sustainable buildings, our mission is to reimagine the performance of buildings to serve people, places, and the planet. Join a winning team that enables you to build your best future! Our teams are uniquely positioned to support a multitude of industries across the globe. You will have the opportunity to develop yourself through meaningful work projects and learning opportunities. We strive to provide our employees with experience focused on supporting their physical, financial, and emotional wellbeing. Become a member of the Johnson Controls family and thrive in an empowering company culture where your voice and ideas will be heard – your next great opportunity is just a few clicks away! Please note: We are unable to accept candidates that are working in the US under these Visas: F-1Visas, M-1 Visas, or J-1Visas. work authorization. We are unable to sponsor H-1B Visas or other employment visas.
What we offer
Competitive base salary and a comprehensive bonus program. Three weeks paid vacation in a calendar year /holidays/sick time/three PTO days in a calendar year. Comprehensive benefits package including 401K, medical, dental, and vision care - Available day one. Extensive product and on the job/cross training opportunities Encouraging and collaborative team environment Dedication to safety through our Zero Harm policy Providing Scheduling and management support. JCI Employee discount programs (The Loop by Perk Spot) Check us Out: A Day in a Life at Johnson Controls | Engineering Roles What you do The Controls Systems Engineer serves as a senior technical lead for building automation and complex HVAC control systems, supporting customers, project teams, and engineering organizations. The role combines technical leadership, customer engagement, design oversight, and standards governance. Accountable to field teams for quality, timeliness and efficiency of designs. Develops complex hardware deliverables, software programs of HVAC Building Automation Controls Systems. Performs commissioning and troubleshooting to ensure proper operations of the building control system. This role will be mentoring other Systems Engineers, Designers and Technicians. Provides detailed information and submittals to communicate design and operation to customers, consultants, Johnson Controls field installation team and subcontractors. How will you do it Designs and configures technically complex building control systems as defined by the contract documents. Creates flow diagrams, sequence of operations, bill of material, network layouts, and electrical schematics as required. Develop and tests complex software programs necessary to operate the system per the project requirements' intent. Coordinates and creates necessary drawings and equipment schedules for submittals and installation. Selects, orders, and tracks the delivery of materials for assigned projects. Coordinates factory-mounting processes to meet factory and project schedule. Assists in the loading and commissioning of all system and network-level controllers as required. Assists in validation of complete system functionality and solves problems with subcontractors and other trades to ensure proper operation. Provides field change information to the project team for the creation of as-built drawings and software. Keeps management and JCI contractors or customers informed of job progress and issues. Assists in performing site-specific training for owner/operator on the total building control system. Participates in the release meeting with the project field team. Performs value engineering to provide cost effective results while maintaining customer satisfaction. Provide work directions to Technicians, Systems Designers, and Systems Engineers. Adheres to safety standards with a high degree of employee and subcontractor safety. Performs as the Lead Engineer on complex projects. Performs