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Mechanical Subject Matter Expert

Ireland, Clonee · Job Posted January 31, 2026
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Job Description

Meta is seeking a data center Mechanical Subject Matter Expert to join our Data Center Facility Operations team. Our data centers serve as the foundation upon which our systems operate to meet the demands of our customers. The Mechanical Subject Matter Expert will be a part of the facility operations team and will be responsible for being the mechanical system technical operations expert. The candidate will need to have a broad understanding of mechanical system and equipment function and will be responsible for procedure-based mechanical maintenance, troubleshooting, repair, training, and project oversight. The Mechanical Subject Matter Expert will need to be experienced in a range of technologies such as chiller systems, evaporative cooling, DX cooling, water distribution and treatment, emergency diesel generators, fire suppression systems, and have a working knowledge of building automation systems and electrical distribution.

Job Responsibility

  • Serve as primary onsite technical resource as part of a team of mechanical infrastructure systems and equipment, with an emphasis on practical/field application
  • Author or approve work procedures to cover mechanical troubleshooting, repair, retrofit, and maintenance activities, with an emphasis on assessing & mitigating personnel and system risk
  • Conduct or oversee hands-on troubleshooting, repair, and maintenance of mechanical infrastructure systems and equipment
  • Provide Quality Assurance/Quality Control (QAQC) oversight of initial campus construction, retrofit projects & maintenance activity
  • Lead and/or participate in root cause analysis activities in area of expertise, specifically mechanical infrastructure systems and equipment
  • Oversight of water quality management program
  • Provide training to Critical Facility Engineers and other cross functional teams on mechanical/fire & life safety/industrial water equipment/systems and procedures
  • Provide feedback on global mechanical maintenance strategies and global mechanical system design improvements
  • Manage vendor relationships for mechanical system maintenance and retrofit work
  • Other duties as required to support the operation of Facebook data centers
  • Travel expectations: Can be significant during first 1-3 months for initial training/onboarding and then ongoing occasional travel for factory witness tests, collaboration, etc

Requirements

  • High school diploma or equivalent
  • 7+ years relevant mechanical industry experience or mechanical trade level experience
  • Bachelor’s degree in related field plus 3+ years relevant mechanical industry experience will be considered in lieu of 7+ year mechanical industry experience
  • Experience interpreting blueprints/CAD drawings
  • Significant experience in comprehending mechanical plans, specifications, and equipment shop drawings
  • Working knowledge of psychrometric charts
  • Working knowledge of critical facility operations with experience or understanding of procedure-based work

Nice to have

  • Experience in data center industry
  • 7+ years’ experience in a data center or other critical environment
  • Trade Certification or state license in Mechanical (HVAC)
  • Equipment field service engineering experience

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