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Job Description: Commissioning Manager - Japan   CAI Overview:   Are You Ready?   CAI is a professional services company established in 1996 that has grown year over year to nearly 700 people worldwide. For Life Sciences and Mission Critical industries that need to deliver critical solutions in high-stakes environments, we provide accelerated operational readiness and unparalleled performance at the highest standard through our rigorous approach, field-tested processes, and elite expertise developed over 30 years.    Our approach is simple because ourPurpose informs everything we do:    We exist to be the trusted solution for our clients as they strive to build a better working world and improve human experience.  At CAI, we are committed to living our Foundational Principles, both professionally and personally:    We act with integrity  We serve each other  We serve society  We work for our future    At CAI, we believe in a relentless dedication to excellence, pushing boundaries and surpassing expectations. From the beginning, we’ve challenged ourselves to do what others wouldn’t. Not just setting industry standards but redefining them entirely. We are bold in our thinking and creative in our approach. We operate at the intersection of wisdom and technology and thrive when they come together with humanity. For us, operational readiness isn’t simply a goal. It’s a way of life. Because tomorrow demands to be at the forefront of today. We do this through tireless effort, precision, efficiency and an unwavering belief that there is always room for advancement. We’re not interested in how it used to be done. We’re obsessed with how it will be done.     Job Summary:   The Commissioning Manager will be responsible for leading the planning, coordination, and execution of commissioning activities across mission-critical projects in Japan. The role ensures that all critical systems are commissioned safely, efficiently, and in accordance with project specifications, client requirements, and industry best practices. Working closely with clients, consultants, contractors, vendors, and project teams, the Commissioning Manager will drive system readiness, testing, validation, and successful project handover while maintaining the highest standards of quality, safety, and operational excellence.     Key Responsibilities: Lead and manage all commissioning, testing, and validation activities within the contracted scope of works, including HVAC, cooling systems, airflow management, hydronic systems, chilled water, refrigerant and return piping, plumbing systems, UPS, DC systems, Generators, Transformers, HV/LV Switchboards, HV/LV Electrical distribution system, Security system, Automatizations systems, BMS and EPMS systems and associated infrastructure. Act as the primary commissioning lead on assigned projects, providing technical leadership throughout commissioning, startup, integrated systems testing, and project closeout. Coordinate commissioning activities with clients, contractors, consultants, equipment manufacturers, and project stakeholders to ensure successful project execution and alignment with commissioning objectives. Provide technical advice and recommendations regarding system performance, operational readiness, commissioning methodologies, constructability, sequencing, resource planning, and risk mitigation. Review designs, technical submittals, equipment documentation, and commissioning deliverables to verify compliance with project specifications, Owner's Project Requirements (OPR), Basis of Design (BoD), and applicable industry standards. Develop, review, and implement commissioning documentation including Commissioning Plans, Inspection & Test Plans (ITPs), pre-functional checklists, functional performance tests (FPTs), integrated systems tests (ISTs), test scripts, commissioning procedures, commissioning schedules and client Maintenance Operation Procedures (MOP). Effectively monitor projec