Senior Mechanical Engineer, NPI — Thermal Systems

Johnson Controls; Burlington (MA); On-site; USD 120,000 - 190,000; Full time

Job summary

Johnson Controls in Burlington, MA is seeking a Senior Mechanical Engineer for New Product Introduction to bring lab concepts into mass production. You will own machine design and reliability, work across product, process and operations teams, and help optimize thermal management and automation within a fast-paced environment. The role requires strong ownership, cross-functional collaboration, and a proactive problem-solving mindset.

Qualifications

• Bachelor's degree in Mechanical Engineering and 5+ years industry experience.
• Experience designing robust equipment for serially manufactured machinery.
• Exposure to automation systems, control cabinets, sensors, PLCs, data acquisition and I/O.

Responsibilities

• Design components within Stack Forging manufacturing systems, including automated equipment for material prep, cutting, inspection, bonding, and assembly.
• Lead design processes from requirements through concept generation, down-selection, and design reviews.
• Document design decisions and drive equipment efficiency, tolerancing, reliability, and automation improvements.
• Own subsystem designs, BOMs, specs, CAD models, and drawings; manage external vendors.
• Conduct root-cause analyses and perform tolerance stack-up studies.

Skills

Machine design

Automation systems

Thermal analysis

Reliability engineering

GD&T

SolidWorks

FMEA

Data acquisition

Controls & PLCs

Education

Bachelor's degree in Mechanical Engineering

Tools

SolidWorks (PDM)

PDM

Job description

Johnson Controls in Burlington, MA is seeking a Senior Mechanical Engineer for New Product Introduction to bring lab concepts into mass production. You will own machine design and reliability, work across product, process and operations teams, and help optimize thermal management and automation within a fast-paced environment. The role requires strong ownership, cross-functional collaboration, and a proactive problem-solving mindset.