Senior Manufacturing Engineer; onsite

About Johnson Controls

Johnson Controls, a global leader in thermal management and mission‑critical building systems, helps customers use energy more productively, reduce carbon emissions, and operate with precision and resilience in rapidly expanding industries such as datacenters, healthcare, pharmaceuticals, advanced manufacturing, and higher education.

For more than 140 years, Johnson Controls has delivered performance where it really matters. Backed by advanced technology, lifecycle services and an industry‑leading field organization, we elevate customer performance, turn goals into real‑world results and help move society forward.

Thermal limits are the hidden bottleneck holding back the world’s most advanced technologies—AI infrastructure, semiconductor equipment, power electronics, and mission‑critical defense systems. At Johnson Controls, we don’t work around those limits—we eliminate them.

Powered by our breakthrough Stack Forging™ process, we engineer high‑performance thermal components and integrated cooling loop solutions designed for direct deployment into AI, HPC, and other demanding environments. The result: a best‑in‑class thermal management platform built for the systems that push performance to the edge—and beyond.

Join the movement as a Builder on the Stack Forging Thermal Solutions team at Johnson Controls, a Senior Manufacturing Engineer located in Burlington, MA. As a Builder, you’ll join a team of sleeve‑rollers who set a high bar for themselves and their co‑workers. We foster a collaborative culture with no silos, where everyone is encouraged to think out loud.

As a Senior Manufacturing Engineer, you will be responsible for the specification, development, and commissioning of manufacturing equipment for testing cold plates and producing products  will report to the Sr. Manager of the Machines team and lead a cross‑functional program team dedicated to scaling up the manufacturing line for JCI Stack Forging’s thermal management offerings. This position requires an onsite presence in Burlington, MA.

Candidates must be commuting distance to the facility, or able to relocate. Only US citizens and/or Permanent Residents of the US will be considered, as sponsorship is not available for this position.

• Manufacturing system design: Design, develop, and commission scalable assembly systems for high‑volume thermal system production.
• Testing system development: Develop and implement automated testing systems (e.g., performance, reliability, and leak testing) for cold plates and thermal systems.
• Vendor selection and management: Own the technical selection, procurement, and qualification of high‑value capital equipment required for automated testing and assembly.
• Program management: Lead the manufacturing scale‑up project for thermal system production, including defining resourcing, setting timelines, and establishing milestones.
• Technical leadership: Act as a subject matter expert on manufacturing for cold plates and thermal systems. Set and maintain the technical standards for manufacturing quality, process control (e.g., PFMEAs), and reliability.
• Mentorship: Mentor and provide technical guidance to junior engineers, production engineers, and production staff.

• Bachelor’s degree in Mechanical, Industrial, or a related Engineering field.
• 7+ years of experience in manufacturing.
• 3+ years of experience with commissioning capital equipment.
• 2+ years of experience with thermal‑fluid systems.

• Proven expertise with Lean Manufacturing principles.
• Direct experience with metal joining and fitting processes, preferably in a thermal management context.
• Experience in high‑volume mass production environments (e.g., automotive, consumer electronics, or high‑power computing/data center).
• Experience working in a fast‑paced, high‑growth startup environment.
• Proficiency with 3D software tools for design, inspection, or CAM.

HIRING SALARY RANGE: $105,000 – $160,000. This role offers a competitive bonus plan that will take into account individual, group, and corporate performance. It also includes a competitive benefits package. The posted salary range reflects the target compensation for this role. Exceptional candidates may bring unique skills and experiences that exceed the typical profile and are encouraged to apply.