The Application Engineer III is a senior technical resource specializing in the design, programming, and implementation of Building Automation Systems (BAS) and Building Management Systems (BMS). This role develops advanced applications, optimizes system performance, and provides subject matter expertise to support complex integration projects. The Application Engineer III collaborates with sales, project managers, and field teams to deliver innovative solutions that meet client requirements and industry standards.

Duties and Responsibilities

• Design and configure advanced BAS/BMS control applications and graphics.
• Develop and optimize complex sequences of operation for HVAC, lighting, and energy systems.
• Integrate third-party systems (BACnet, Modbus, LonWorks, APIs) into enterprise BAS platforms.
• Provide technical leadership during commissioning, troubleshooting, and system optimization.
• Collaborate with sales and project managers to develop system solutions, estimates, and proposals.
• Mentor and provide guidance to Application Engineer I and II staff.
• Maintain expertise in manufacturer platforms, software updates, and emerging technologies.
• Ensure all designs and implementations comply with codes, standards, and cybersecurity requirements.
• Document application designs, workflows, and testing procedures for knowledge transfer.
• Support client training and serve as a technical point of contact for advanced issues.

Key Performance Metrics

• Application accuracy and functionality (measured by commissioning pass rate).
• System performance optimization outcomes (energy savings, reduced downtime).
• Integration success rate with third-party systems.
• Customer satisfaction with system usability and reliability.
• Resolution time for advanced technical issues.
• Quality of technical documentation and knowledge transfer materials.
• Professional development and certifications attained.
• Contribution to innovation and adoption of new technologies.
• Collaboration effectiveness with cross-functional teams.
• Mentorship and development of junior application engineers.

Internal Relationships and Handoffs

• Reports to the Engineering Manager
• Direct reports include:
  • Application Engineer II
  • Application Engineer I
• Work closely with:
  • Project Managers
  • Sales Engineers
  • Field Technicians
  • Controls Programmers
  • Commissioning Agents
  • Operations Team
  • Vendors and Manufacturers
  • IT/OT Teams
  • Customers and End Users
  • Other Application Engineers

• Bachelor's degree in Engineering, Computer Science, or related technical field required.
• 8+ years of experience in BAS/BMS design, programming, and integration.
• Expertise with major BAS platforms and protocols (BACnet, Modbus, LonWorks).
• Strong knowledge of HVAC systems, electrical controls, and networking.
• Proficiency in programming, databases, and graphics tools for BAS applications.
• Ability to troubleshoot complex integration and performance issues.

As an EEO/Affirmative Action Employer, all qualified applicants will receive consideration for employment without regard to race, color, age, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.

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