> Markdown version of [/jobs/ext/4163528-bas-system-application-engineer](https://www.wearedevelopers.com/jobs/ext/4163528-bas-system-application-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 System Application Engineer - **Company:** Everest Energy And Control Technologies, LLC - **Location:** Lisle, IL, United States - **Experience:** Experienced - **Salary:** $90,000.0 - $120,000.0 - **Contract:** Permanent contract - **Skills:** AutoCAD, Software Applications, Computer Programming, Graphical User Interface, Java GUIs, Microsoft Visio, Modbus, Network Service, Transmission Control Protocol (TCP), Information Technology, Tridium Niagara Building Automation Framework, Bacnet, LonWorks Skill, Front End Software Development - **Published:** October 27, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=87b875681d7817d5 ## About the Role * Tridium Niagara 4 (N4) TCP Certification (Required; Advanced/Developer certifications preferred). * Proficiency in Niagara Workbench, standard graphics building, and driver configuration (BACnet, Modbus). * Strong understanding of HVAC systems, psychrometrics, air/water distribution, and thermodynamic control sequences. Education & Experience * Experience: Minimum of 3-5 years of dedicated experience programming, designing, or engineering building automation systems. * Education: Bachelor's degree in Mechanical/Electrical Engineering, Computer Science, or an equivalent technical trade background. ## Description * Develop customized DDC (Direct Digital Control) programs and control sequences using the Tridium Niagara (N4/AX) environment. * Build custom graphical user interfaces (GUIs), dashboards, and front-end navigation layouts for building operators. * Configure network communication protocols including BACnet, Modbus, and LonWorks to establish reliable communication between devices and the Niagara supervisor server. Engineering & Design Support * Review mechanical plans, sequences of operations (SOO), and project specifications to draft architectural submittal packages. * Generate Bills of Materials (BOMs), detailed wiring schematics, panel configurations, and network layout drawings using AutoCAD or MS Visio. Commissioning & Troubleshooting * Perform remote or on-site system diagnostics, loop tuning, and functional testing to verify proper system sequence execution. * Resolve protocol integration conflicts and driver errors within the Niagara workbench environment. * Collaborate closely with field technicians, project managers, and client-side engineers during the final handover phases.