Senior Electrical Design Engineer - HVAC Systems & Lab

Johnson Controls, Inc.; Largo, Northern (FL, KY); Hybrid; USD 100,000 - 130,000; Full time

Job summary

Johnson Controls, Inc. in Largo, FL, is seeking a Senior Electrical Design Engineer to lead electrical analysis, detailed design, and controls integration for Enviro‑Tec HVAC equipment.

Responsibilities include wiring architecture, schematics, harnesses, motor/drive systems, and agency compliance responsibilities. You will oversee lab validation, prototype wiring builds, and collaboration with manufacturing and compliance teams to ensure safety and performance.

Qualifications

• Bachelor’s Degree in Electrical or Controls Engineering.
• 5+ years of electrical design engineering experience.
• Proficiency creating two‑dimensional electrical schematics (AutoCAD) and BOM databases.
• Working knowledge of NEC, UL 1995, and UL 60335‑2‑40.

Responsibilities

• Define system electrical architecture and load analyses for AHU/FCU/BCU platforms.
• Design and review wiring schematics, interconnects, and harnesses for manufacturability.
• Coordinate with compliance teams for UL/Intertek and refrigerant programs.
• Generate electrical BOMs, drawings, and installation details per Largo standards.
• Mentor designers and promote standard work and reusable templates.

Skills

Electrical design

System integration

Regulatory compliance

Leadership

Mentoring

Education

Bachelor’s Degree in Electrical or Controls Engineering

Tools

AutoCAD

SolidWorks

BOM databases

Job description

Johnson Controls, Inc. in Largo, FL, is seeking a Senior Electrical Design Engineer to lead electrical analysis, detailed design, and controls integration for Enviro‑Tec HVAC equipment.

Responsibilities include wiring architecture, schematics, harnesses, motor/drive systems, and agency compliance responsibilities. You will oversee lab validation, prototype wiring builds, and collaboration with manufacturing and compliance teams to ensure safety and performance.