Subject Matter Expert - Industrial Refrigeration

Johnson Controls is looking for an Industrial Refrigeration SME who can technically lead our most complex projects through commissioning and act as Technical Authority across the portfolio. You will support project engineers and PMs with practical know-how, troubleshoot critical issues during start-up, and provide escalation support for operational issues when needed—while mentoring younger colleagues. English or German required (other language a plus). No degree required—proven industrial refrigeration experience matters.

Key Responsibilities

· Lead technically the most complex industrial refrigeration projects (NH₃ focus) through design, build coordination and commissioning; ensure first-time-right start-up and acceptance.

· Act as Technical Authority across the portfolio: provide design reviews, risk assessments, and approvals/waivers for critical decisions and changes.

· Support project engineers and project managers with practical field know-...