Description Amazon Web Services (AWS) is seeking a Principal Level Commissioning Engineer to support the development and implementation of all aspects of the Commissioning Program for leased/owned data centers. This role, with an expert-level focus on the mechanical discipline of Commissioning, will serve as the primary liaison between Senior Engineers, Principal Engineers, Senior Managers, Directors, and VPs across the AWS team and external Commissioning Vendors. As a leader in the Data Center Capacity Delivery (DCCD) organization, you will research, develop, and ensure meticulous and timely delivery of our Data Centers. Principal Commissioning Engineers are hands-on, producing both detailed technical work and high-level program designs and process frameworks. They will aid in establishing testing methodologies, drive standardization, and increase quality across all AWS building sites. The successful candidate will have extensive experience in commissioning, program development and sustainment, and cross-functional collaboration. They must have a proven record of leading commissioning programs on large-scale critical infrastructure deployments, including Quality Control (QC), Startup, Functional Performance Testing (FPT), Integrated System Testing (IST), and cost- and schedule-mitigating measures. This position requires excellence in a fast-paced environment and the ability to manage concurrent responsibilities while supporting parallel initiatives. AWS Infrastructure Services owns the design, planning, delivery, and operation of all AWS global infrastructure. In other words, we’re the people who keep the cloud running. We support all AWS data centers and all of the servers, storage, networking, power, and cooling equipment that ensure our customers have continual access to the innovation they rely on. We work on the most challenging problems, with thousands of variables impacting the supply chain — and we’re looking for talented people who want to help. You’ll join a diverse team of software, hardware, and network engineers, supply chain specialists, security experts, operations managers, and other vital roles. You’ll collaborate with people across AWS to help us deliver the highest standards for safety and security while providing seemingly infinite capacity at the lowest possible cost for our customers. And you’ll experience an inclusive culture that welcomes bold ideas and empowers you to own them to completion. Key job responsibilities * Serve as the Subject Matter Expert (SME) for mechanical systems and the commissioning program for AWS leased/owned data centers * Lead and support AWS pre-construction and construction management teams for new data center design and process improvement * Lead and support AWS product teams and Principal Engineering for new data center design, new products, and product enhancements * Lead and support reviews of design specifications, testing requirements, and test procedures and standards for adherence to commissioning specifications * Lead and support workshops that drive alignment on key issues, construction practices, data center designs, and initiatives with the focus of increasing the effectiveness of construction and commissioning while enhancing customer experience and operational excellence * Assist in Development and delivery of technical training programs for commissioning teams, to ensure consistency in procedures and knowledge transfer * Conduct regular quality assurance audits of commissioning processes, documentation, and field execution to maintain high standards and identify areas for improvement * Lead Correction of Errors (COE) investigations, root cause analysis (RCA), and implementation of preventive measures to enhance system reliability and operational efficiency * Participate in technical interviews for commissioning team members and contractors, ensuring the selection of qualified personnel aligned with AWS standards About the team Amazon Web Services (AWS) is the world’s most comprehensive and broadly adopted cloud platform. We pioneered cloud computing and never stopped innovating — that’s why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses. Amazon values diverse experiences. Even if you do not meet all of the preferred qualifications and skills listed in the job description, we encourage candidates to apply. If your career is just starting, hasn’t followed a traditional path, or includes alternative experiences, don’t let it stop you from applying. We value work-life harmony. Achieving success at work should never come at the expense of sacrifices at home, which is why we strive for flexibility as part of our working culture. When we feel supported in the workplace and at home, there’s nothing we can’t achieve in the cloud. Here at AWS, it’s in our nature to learn and be curious. Our employee-led affinity groups foster a culture of inclusion that empower us to be proud of our differences. Ongoing events and learning experiences, including our Conversations on Race and Ethnicity (CORE) and conferences, inspire us to never stop embracing our uniqueness. We’re continuously raising our performance bar as we strive to become Earth’s Best Employer. That’s why you’ll find endless knowledge-sharing, mentorship and other career-advancing resources here to help you develop into a better-rounded professional. Basic Qualifications • Bachelor’s degree in Electrical/Mechanical Engineering or equivalent, or relevant discipline work experience • 7+ years’ experience directly related to the commissioning/startup of data centers/critical infrastructure or large-scale, utility systems, mechanical and electrical plant and experience with large infrastructure project execution. • Strong understanding of construction processes, mechanical and electrical systems, and commissioning methodologies. • Knowledge of industry standards/best practices related to Commissioning. • Strategic thinking and long-term vision for technical direction Preferred Qualifications • Ability to influence and lead without direct authority • Works independently while earning trust, building strong rapport across a broader team • Project and program management skills • Clear and concise in verbal and written communications • Cross-functional collaboration and stakeholder management • Mentorship and development of junior engineers • Business acumen and understanding of organizational goals Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status. Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit https://amazon.jobs/content/en/how-we-hire/accommodations for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.