Praetorian Power Protection, the leader in NETA testing and staff augmentation to the mission critical industry, is searching for a strong Commissioning Engineer with Mechanical experience for our datacenter site in Phoenix, AZ. This role is critical to ensuring the successful commissioning of mechanical systems for our projects. If you have a strong mechanical commissioning background and thrive in fast-paced environments, we want you to help us drive excellence. Key Responsibilities Plan, execute, and oversee the commissioning of mechanical systems, ensuring compliance with project specifications and industry standards. Perform testing, troubleshooting, and validation of mechanical equipment and systems. Collaborate with project managers, engineers, and contractors to meet project milestones and deadlines. Prepare and maintain commissioning documentation, including reports, checklists, and schedules. Ensure systems are fully operational and meet performance requirements before handover. Identify and resolve technical issues promptly to minimize project delays. Adhere to safety protocols and promote a culture of safety on-site. 3+ years of experience as a Commissioning Engineer with a focus in mechanical Strong knowledge of mechanical systems, including HVAC, piping, and industrial equipment. Proven ability to manage commissioning processes from planning to completion. Excellent problem-solving skills and attention to detail. Ability to work under pressure and meet tight deadlines in a fast-paced environment. Strong communication and teamwork skills to collaborate with diverse stakeholders. Familiarity with industry standards and regulations (e.g., ASME, ANSI). Must be able to work nights on-site in Huntsville, AL Preferred Skills Experience working in the construction of META datacenters is a huge plus Experience with commissioning software or tools (e.g., CxAlloy, BIM 360). Knowledge of control systems and integration with mechanical equipment.