Are you experienced in Critical Infrastructure Commissioning and looking for a fast-paced environment to work in? As a Data Center Retro Commissioning Engineer (CxE), you will be part of a highly creative, efficient team tasked with tackling fascinating and challenging problems supporting the operations of existing Amazon-owned data centers in the northern Virginia (IAD) region. The Amazon Commissioning team (ACx) understands, evaluates, defines and manages the expectations of system performance and optimization in accordance with engineering designs to meet customer requirements. The CxE is responsible for supporting vendors, contractors, and other teams involved in the retro commissioning of various systems in operational data centers such as:

Medium and low voltage power systems
Generators
UPS
HVAC (Air Handlers / Exhaust Fans / VFD)
Chilled Water Systems
Building Management systems (BMS)
Electrical Power Monitoring Systems (EPMS)
Testing and balancing
Pumps and Hydronic systems

Key job responsibilities
As the Retro Commissioning Engineer (CxE), you will provide testing and validation oversight of AWS data center electrical and mechanical infrastructure in existing operational facilities. This includes, but is not limited to, review of as-built documents and equipment submittals, leading Factory Witness Testing (FWT) when applicable, and managing third-party commissioning vendors in the performance of onsite functional and integrated systems testing. You will own your projects' successes where you Deep Dived to resolve technical issues and had Bias for Action to address schedule impacts and coordination demands onsite. You will be sharing your lessons learned leading towards team growth and program improvements.

You will get the opportunity to provide multi-discipline input into the scheduling, test script development, designing, and planning of retro commissioning projects. During commissioning, you will be continuously auditing Cx vendors' activities to ensure compliance with environmental, quality, and safety requirements while minimizing impact to operational data centers. Following the AWS project reporting format, you will be responsible for regular reporting of retro commissioning progress and metrics of assigned projects to your Regional Commissioning Manager. You will have the opportunity to lead several projects simultaneously to achieve key milestones and deliver optimized data center performance, while managing project budget as approved by Finance.

A day in the life
On a typical retro commissioning project, the CxE works across AWS engineering, operations, and contractor teams to coordinate site activities in operational data centers, prioritize tasks, and ensure each issue has clear path to resolution with minimal impact to operations. The CxE manages the project commissioning vendor whose primary scope is to execute functional tests on existing systems, identify optimization opportunities, determine criticality, propose solutions, and document their findings. The CxE coordinates closely with operations teams to schedule work during appropriate maintenance windows. If project completion is at risk, the CxE escalates to the appropriate stakeholders. Upon project completion, the CxE will communicate lessons learned to help peers on similar projects in flight and participate in initiatives that drive improvement to the retro commissioning program.

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 AmazeCon 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.

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Retro Commissioning Engineer, Commissioning Engineering