Senior Software Engineer, Slicer; onsite

About Johnson Controls

Johnson Controls, a global leader in thermal management, mission‑critical building systems, energy efficiency, and decarbonization, helps customers use energy more productively, reduce carbon emissions, and operate with the precision and resilience required 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.

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Thermal constraints limit AI infrastructure, semiconductor equipment, power electronics, and defense systems. JCI removes those constraints. Enabled by the Stack Forging™ process, JCI produces high‑performance thermal components and cooling loop solutions — purpose‑built for direct integration into AI, HPC, and mission‑critical systems. JCI has built the industry's leading thermal management platform for the applications that demand it most.

As a Senior Software Engineer, Slicer, you will work with an interdisciplinary team to design and implement software for JCI’s Stack Forging process throughout its lifecycle. You will define, design, develop, implement, and maintain JCI’s Stack Forging software suite. Your end‑users are in buildings, and there are many opportunities for rich collaboration.

This position is based onsite at our facility in Burlington, MA. Candidates must be within commuting distance to the facility, or able to relocate. Various relocation packages are available.

• Co‑design a software suite that runs end‑to‑end workflows for JCI’s novel Stack Forging manufacturing process.
• Develop 3D algorithms to improve part accuracy and simplify support removal.
• Take products and features from requirements definition to proof‑of‑concept prototypes to production code.
• Develop 2D motion and path planning algorithms to improve the throughput of JCI’s Stack Forging manufacturing equipment.
• Collaborate in the team’s agile development process.
• Provide feedback and improve the team’s code quality.
• Work with external designers and developers as needed.

• Able to balance long‑term strategic thinking with short‑term focus on details.
• 2+ years of experience with computational geometry or an adjacent field (i.e., CAD, Simulation, Graphics, CAM, etc.).
• Experience in C++: object‑oriented design and development, design patterns, and other software development methodologies.
• Bachelor’s degree in Computer Science, Computer Engineering, Mathematics, or Physics.
• 5+ years of industry experience building, testing, and shipping high-quality production code.
• Experience developing in an agile production code environment.

• Comfort in a fast‑paced environment with a bias towards action.
• Comfortable developing for both back-end and front-end applications, and preferably worked with embedded Linux environments.
• Experience in architecting software systems, considering customer workflow, and process data flow.
• Have broad applications experience and have shipped production code.
• Worked in a relevant field such as additive manufacturing, industrial inspection, 3D CAD tools, motion planning, or control.

HIRING SALARY RANGE: $100,000 - $135,000 (Salary to be determined by the education, experience, knowledge, skills, and abilities of the applicant, internal equity, and alignment with market data.) This role offers a competitive bonus plan that will take into account individual, group, and corporate performance. This position includes a competitive benefits package. The posted salary range reflects the target compensation for this role.

However, we recognize that exceptional candidates may bring unique skills and experiences that exceed the typical profile. If you believe your background warrants consideration beyond the stated range, we encourage you to apply. To support an efficient and fair hiring process, we may use technology‑assisted tools, including artificial intelligence (AI), to help identify and evaluate candidates. All hiring decisions are ultimately made by human reviewers.

For details, please visit the About Us tab on the Johnson Controls Careers site at  is an Equal Opportunity Employer and does not discriminate on the basis of any protected categories.